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perf evsel: Move some methods from session.[ch] to evsel.[ch]
[deliverable/linux.git] / tools / perf / builtin-trace.c
CommitLineData
a598bb5e
ACM		 1/*
2 * builtin-trace.c
3 *
4 * Builtin 'trace' command:
5 *
6 * Display a continuously updated trace of any workload, CPU, specific PID,
7 * system wide, etc. Default format is loosely strace like, but any other
8 * event may be specified using --event.
9 *
10 * Copyright (C) 2012, 2013, 2014, 2015 Red Hat Inc, Arnaldo Carvalho de Melo <acme@redhat.com>
11 *
12 * Initially based on the 'trace' prototype by Thomas Gleixner:
13 *
14 * http://lwn.net/Articles/415728/ ("Announcing a new utility: 'trace'")
15 *
16 * Released under the GPL v2. (and only v2, not any later version)
17 */
18
4e319027 19#include <traceevent/event-parse.h>
988bdb31 20#include <api/fs/tracing_path.h>
514f1c67 21#include "builtin.h"
752fde44 22#include "util/color.h"
7c304ee0 23#include "util/debug.h"
514f1c67 24#include "util/evlist.h"
4b6ab94e 25#include <subcmd/exec-cmd.h>
752fde44 26#include "util/machine.h"
6810fc91 27#include "util/session.h"
752fde44 28#include "util/thread.h"
4b6ab94e 29#include <subcmd/parse-options.h>
2ae3a312 30#include "util/strlist.h"
bdc89661 31#include "util/intlist.h"
514f1c67 32#include "util/thread_map.h"
bf2575c1 33#include "util/stat.h"
97978b3e 34#include "trace-event.h"
9aca7f17 35#include "util/parse-events.h"
ba504235 36#include "util/bpf-loader.h"
566a0885 37#include "callchain.h"
fd0db102 38#include "syscalltbl.h"
514f1c67 39
fd0db102 40#include <libaudit.h> /* FIXME: Still needed for audit_errno_to_name */
514f1c67 41#include <stdlib.h>
ae685380 42#include <sys/mman.h>
f9da0b0c 43#include <linux/futex.h>
8dd2a131 44#include <linux/err.h>
997bba8c
ACM		 45#include <linux/seccomp.h>
46#include <linux/filter.h>
47#include <linux/audit.h>
48#include <sys/ptrace.h>
39878d49 49#include <linux/random.h>
514f1c67 50
456857bd
IM		 51/* For older distros: */
52#ifndef MAP_STACK
53# define MAP_STACK 0x20000
54#endif
55
56#ifndef MADV_HWPOISON
57# define MADV_HWPOISON 100
a598bb5e 58
456857bd
IM		 59#endif
60
61#ifndef MADV_MERGEABLE
62# define MADV_MERGEABLE 12
63#endif
64
65#ifndef MADV_UNMERGEABLE
66# define MADV_UNMERGEABLE 13
67#endif
68
79d26a6a
BH		 69#ifndef EFD_SEMAPHORE
70# define EFD_SEMAPHORE 1
71#endif
72
c188e7ac
ACM		 73#ifndef EFD_NONBLOCK
74# define EFD_NONBLOCK 00004000
75#endif
76
77#ifndef EFD_CLOEXEC
78# define EFD_CLOEXEC 02000000
79#endif
80
81#ifndef O_CLOEXEC
82# define O_CLOEXEC 02000000
83#endif
84
85#ifndef SOCK_DCCP
86# define SOCK_DCCP 6
87#endif
88
89#ifndef SOCK_CLOEXEC
90# define SOCK_CLOEXEC 02000000
91#endif
92
93#ifndef SOCK_NONBLOCK
94# define SOCK_NONBLOCK 00004000
95#endif
96
97#ifndef MSG_CMSG_CLOEXEC
98# define MSG_CMSG_CLOEXEC 0x40000000
99#endif
100
a1c2552d
ACM		 101#ifndef PERF_FLAG_FD_NO_GROUP
102# define PERF_FLAG_FD_NO_GROUP (1UL << 0)
103#endif
104
105#ifndef PERF_FLAG_FD_OUTPUT
106# define PERF_FLAG_FD_OUTPUT (1UL << 1)
107#endif
108
109#ifndef PERF_FLAG_PID_CGROUP
110# define PERF_FLAG_PID_CGROUP (1UL << 2) /* pid=cgroup id, per-cpu mode only */
111#endif
112
113#ifndef PERF_FLAG_FD_CLOEXEC
114# define PERF_FLAG_FD_CLOEXEC (1UL << 3) /* O_CLOEXEC */
115#endif
116
d1d438a3
ACM		 117struct trace {
118 struct perf_tool tool;
fd0db102 119 struct syscalltbl *sctbl;
d1d438a3
ACM		 120 struct {
121 int max;
122 struct syscall *table;
123 struct {
124 struct perf_evsel *sys_enter,
125 *sys_exit;
126 } events;
127 } syscalls;
128 struct record_opts opts;
129 struct perf_evlist *evlist;
130 struct machine *host;
131 struct thread *current;
132 u64 base_time;
133 FILE *output;
134 unsigned long nr_events;
135 struct strlist *ev_qualifier;
136 struct {
137 size_t nr;
138 int *entries;
139 } ev_qualifier_ids;
140 struct intlist *tid_list;
141 struct intlist *pid_list;
142 struct {
143 size_t nr;
144 pid_t *entries;
145 } filter_pids;
146 double duration_filter;
147 double runtime_ms;
148 struct {
149 u64 vfs_getname,
150 proc_getname;
151 } stats;
152 bool not_ev_qualifier;
153 bool live;
154 bool full_time;
155 bool sched;
156 bool multiple_threads;
157 bool summary;
158 bool summary_only;
159 bool show_comm;
160 bool show_tool_stats;
161 bool trace_syscalls;
44621819 162 bool kernel_syscallchains;
d1d438a3
ACM		 163 bool force;
164 bool vfs_getname;
165 int trace_pgfaults;
fd0db102 166 int open_id;
d1d438a3 167};
a1c2552d 168
77170988
ACM		 169struct tp_field {
170 int offset;
171 union {
172 u64 (*integer)(struct tp_field *field, struct perf_sample *sample);
173 void *(*pointer)(struct tp_field *field, struct perf_sample *sample);
174 };
175};
176
177#define TP_UINT_FIELD(bits) \
178static u64 tp_field__u##bits(struct tp_field *field, struct perf_sample *sample) \
179{ \
55d43bca
DA		 180 u##bits value; \
181 memcpy(&value, sample->raw_data + field->offset, sizeof(value)); \
182 return value; \
77170988
ACM		 183}
184
185TP_UINT_FIELD(8);
186TP_UINT_FIELD(16);
187TP_UINT_FIELD(32);
188TP_UINT_FIELD(64);
189
190#define TP_UINT_FIELD__SWAPPED(bits) \
191static u64 tp_field__swapped_u##bits(struct tp_field *field, struct perf_sample *sample) \
192{ \
55d43bca
DA		 193 u##bits value; \
194 memcpy(&value, sample->raw_data + field->offset, sizeof(value)); \
77170988
ACM		 195 return bswap_##bits(value);\
196}
197
198TP_UINT_FIELD__SWAPPED(16);
199TP_UINT_FIELD__SWAPPED(32);
200TP_UINT_FIELD__SWAPPED(64);
201
202static int tp_field__init_uint(struct tp_field *field,
203 struct format_field *format_field,
204 bool needs_swap)
205{
206 field->offset = format_field->offset;
207
208 switch (format_field->size) {
209 case 1:
210 field->integer = tp_field__u8;
211 break;
212 case 2:
213 field->integer = needs_swap ? tp_field__swapped_u16 : tp_field__u16;
214 break;
215 case 4:
216 field->integer = needs_swap ? tp_field__swapped_u32 : tp_field__u32;
217 break;
218 case 8:
219 field->integer = needs_swap ? tp_field__swapped_u64 : tp_field__u64;
220 break;
221 default:
222 return -1;
223 }
224
225 return 0;
226}
227
228static void *tp_field__ptr(struct tp_field *field, struct perf_sample *sample)
229{
230 return sample->raw_data + field->offset;
231}
232
233static int tp_field__init_ptr(struct tp_field *field, struct format_field *format_field)
234{
235 field->offset = format_field->offset;
236 field->pointer = tp_field__ptr;
237 return 0;
238}
239
240struct syscall_tp {
241 struct tp_field id;
242 union {
243 struct tp_field args, ret;
244 };
245};
246
247static int perf_evsel__init_tp_uint_field(struct perf_evsel *evsel,
248 struct tp_field *field,
249 const char *name)
250{
251 struct format_field *format_field = perf_evsel__field(evsel, name);
252
253 if (format_field == NULL)
254 return -1;
255
256 return tp_field__init_uint(field, format_field, evsel->needs_swap);
257}
258
259#define perf_evsel__init_sc_tp_uint_field(evsel, name) \
260 ({ struct syscall_tp *sc = evsel->priv;\
261 perf_evsel__init_tp_uint_field(evsel, &sc->name, #name); })
262
263static int perf_evsel__init_tp_ptr_field(struct perf_evsel *evsel,
264 struct tp_field *field,
265 const char *name)
266{
267 struct format_field *format_field = perf_evsel__field(evsel, name);
268
269 if (format_field == NULL)
270 return -1;
271
272 return tp_field__init_ptr(field, format_field);
273}
274
275#define perf_evsel__init_sc_tp_ptr_field(evsel, name) \
276 ({ struct syscall_tp *sc = evsel->priv;\
277 perf_evsel__init_tp_ptr_field(evsel, &sc->name, #name); })
278
279static void perf_evsel__delete_priv(struct perf_evsel *evsel)
280{
04662523 281 zfree(&evsel->priv);
77170988
ACM		 282 perf_evsel__delete(evsel);
283}
284
96695d44
NK		 285static int perf_evsel__init_syscall_tp(struct perf_evsel *evsel, void *handler)
286{
287 evsel->priv = malloc(sizeof(struct syscall_tp));
288 if (evsel->priv != NULL) {
289 if (perf_evsel__init_sc_tp_uint_field(evsel, id))
290 goto out_delete;
291
292 evsel->handler = handler;
293 return 0;
294 }
295
296 return -ENOMEM;
297
298out_delete:
04662523 299 zfree(&evsel->priv);
96695d44
NK		 300 return -ENOENT;
301}
302
ef503831 303static struct perf_evsel *perf_evsel__syscall_newtp(const char *direction, void *handler)
77170988 304{
ef503831 305 struct perf_evsel *evsel = perf_evsel__newtp("raw_syscalls", direction);
77170988 306
9aca7f17 307 /* older kernel (e.g., RHEL6) use syscalls:{enter,exit} */
8dd2a131 308 if (IS_ERR(evsel))
9aca7f17
DA		 309 evsel = perf_evsel__newtp("syscalls", direction);
310
8dd2a131
JO		 311 if (IS_ERR(evsel))
312 return NULL;
313
314 if (perf_evsel__init_syscall_tp(evsel, handler))
315 goto out_delete;
77170988
ACM		 316
317 return evsel;
318
319out_delete:
320 perf_evsel__delete_priv(evsel);
321 return NULL;
322}
323
324#define perf_evsel__sc_tp_uint(evsel, name, sample) \
325 ({ struct syscall_tp *fields = evsel->priv; \
326 fields->name.integer(&fields->name, sample); })
327
328#define perf_evsel__sc_tp_ptr(evsel, name, sample) \
329 ({ struct syscall_tp *fields = evsel->priv; \
330 fields->name.pointer(&fields->name, sample); })
331
01533e97
ACM		 332struct syscall_arg {
333 unsigned long val;
75b757ca
ACM		 334 struct thread *thread;
335 struct trace *trace;
1f115cb7 336 void *parm;
01533e97
ACM		 337 u8 idx;
338 u8 mask;
339};
340
1f115cb7 341struct strarray {
03e3adc9 342 int offset;
1f115cb7
ACM		 343 int nr_entries;
344 const char **entries;
345};
346
347#define DEFINE_STRARRAY(array) struct strarray strarray__##array = { \
348 .nr_entries = ARRAY_SIZE(array), \
349 .entries = array, \
350}
351
03e3adc9
ACM		 352#define DEFINE_STRARRAY_OFFSET(array, off) struct strarray strarray__##array = { \
353 .offset = off, \
354 .nr_entries = ARRAY_SIZE(array), \
355 .entries = array, \
356}
357
975b7c2f
ACM		 358static size_t __syscall_arg__scnprintf_strarray(char *bf, size_t size,
359 const char *intfmt,
360 struct syscall_arg *arg)
1f115cb7 361{
1f115cb7 362 struct strarray *sa = arg->parm;
03e3adc9 363 int idx = arg->val - sa->offset;
1f115cb7
ACM		 364
365 if (idx < 0 || idx >= sa->nr_entries)
975b7c2f 366 return scnprintf(bf, size, intfmt, arg->val);
1f115cb7
ACM		 367
368 return scnprintf(bf, size, "%s", sa->entries[idx]);
369}
370
975b7c2f
ACM		 371static size_t syscall_arg__scnprintf_strarray(char *bf, size_t size,
372 struct syscall_arg *arg)
373{
374 return __syscall_arg__scnprintf_strarray(bf, size, "%d", arg);
375}
376
1f115cb7
ACM		 377#define SCA_STRARRAY syscall_arg__scnprintf_strarray
378
844ae5b4
ACM		 379#if defined(__i386__) || defined(__x86_64__)
380/*
381 * FIXME: Make this available to all arches as soon as the ioctl beautifier
382 * gets rewritten to support all arches.
383 */
78645cf3
ACM		 384static size_t syscall_arg__scnprintf_strhexarray(char *bf, size_t size,
385 struct syscall_arg *arg)
386{
387 return __syscall_arg__scnprintf_strarray(bf, size, "%#x", arg);
388}
389
390#define SCA_STRHEXARRAY syscall_arg__scnprintf_strhexarray
844ae5b4 391#endif /* defined(__i386__) || defined(__x86_64__) */
78645cf3 392
75b757ca
ACM		 393static size_t syscall_arg__scnprintf_fd(char *bf, size_t size,
394 struct syscall_arg *arg);
395
396#define SCA_FD syscall_arg__scnprintf_fd
397
398static size_t syscall_arg__scnprintf_fd_at(char *bf, size_t size,
399 struct syscall_arg *arg)
400{
401 int fd = arg->val;
402
403 if (fd == AT_FDCWD)
404 return scnprintf(bf, size, "CWD");
405
406 return syscall_arg__scnprintf_fd(bf, size, arg);
407}
408
409#define SCA_FDAT syscall_arg__scnprintf_fd_at
410
411static size_t syscall_arg__scnprintf_close_fd(char *bf, size_t size,
412 struct syscall_arg *arg);
413
414#define SCA_CLOSE_FD syscall_arg__scnprintf_close_fd
415
6e7eeb51 416static size_t syscall_arg__scnprintf_hex(char *bf, size_t size,
01533e97 417 struct syscall_arg *arg)
13d4ff3e 418{
01533e97 419 return scnprintf(bf, size, "%#lx", arg->val);
13d4ff3e
ACM		 420}
421
beccb2b5
ACM		 422#define SCA_HEX syscall_arg__scnprintf_hex
423
a1c2552d
ACM		 424static size_t syscall_arg__scnprintf_int(char *bf, size_t size,
425 struct syscall_arg *arg)
426{
427 return scnprintf(bf, size, "%d", arg->val);
428}
429
430#define SCA_INT syscall_arg__scnprintf_int
431
6e7eeb51 432static size_t syscall_arg__scnprintf_mmap_prot(char *bf, size_t size,
01533e97 433 struct syscall_arg *arg)
ae685380 434{
01533e97 435 int printed = 0, prot = arg->val;
ae685380
ACM		 436
437 if (prot == PROT_NONE)
438 return scnprintf(bf, size, "NONE");
439#define P_MMAP_PROT(n) \
440 if (prot & PROT_##n) { \
441 printed += scnprintf(bf + printed, size - printed, "%s%s", printed ? "|" : "", #n); \
442 prot &= ~PROT_##n; \
443 }
444
445 P_MMAP_PROT(EXEC);
446 P_MMAP_PROT(READ);
447 P_MMAP_PROT(WRITE);
448#ifdef PROT_SEM
449 P_MMAP_PROT(SEM);
450#endif
451 P_MMAP_PROT(GROWSDOWN);
452 P_MMAP_PROT(GROWSUP);
453#undef P_MMAP_PROT
454
455 if (prot)
456 printed += scnprintf(bf + printed, size - printed, "%s%#x", printed ? "|" : "", prot);
457
458 return printed;
459}
460
461#define SCA_MMAP_PROT syscall_arg__scnprintf_mmap_prot
462
6e7eeb51 463static size_t syscall_arg__scnprintf_mmap_flags(char *bf, size_t size,
01533e97 464 struct syscall_arg *arg)
941557e0 465{
01533e97 466 int printed = 0, flags = arg->val;
941557e0
ACM		 467
468#define P_MMAP_FLAG(n) \
469 if (flags & MAP_##n) { \
470 printed += scnprintf(bf + printed, size - printed, "%s%s", printed ? "|" : "", #n); \
471 flags &= ~MAP_##n; \
472 }
473
474 P_MMAP_FLAG(SHARED);
475 P_MMAP_FLAG(PRIVATE);
41817815 476#ifdef MAP_32BIT
941557e0 477 P_MMAP_FLAG(32BIT);
41817815 478#endif
941557e0
ACM		 479 P_MMAP_FLAG(ANONYMOUS);
480 P_MMAP_FLAG(DENYWRITE);
481 P_MMAP_FLAG(EXECUTABLE);
482 P_MMAP_FLAG(FILE);
483 P_MMAP_FLAG(FIXED);
484 P_MMAP_FLAG(GROWSDOWN);
f2935f3e 485#ifdef MAP_HUGETLB
941557e0 486 P_MMAP_FLAG(HUGETLB);
f2935f3e 487#endif
941557e0
ACM		 488 P_MMAP_FLAG(LOCKED);
489 P_MMAP_FLAG(NONBLOCK);
490 P_MMAP_FLAG(NORESERVE);
491 P_MMAP_FLAG(POPULATE);
492 P_MMAP_FLAG(STACK);
493#ifdef MAP_UNINITIALIZED
494 P_MMAP_FLAG(UNINITIALIZED);
495#endif
496#undef P_MMAP_FLAG
497
498 if (flags)
499 printed += scnprintf(bf + printed, size - printed, "%s%#x", printed ? "|" : "", flags);
500
501 return printed;
502}
503
504#define SCA_MMAP_FLAGS syscall_arg__scnprintf_mmap_flags
505
86998dda
AS		 506static size_t syscall_arg__scnprintf_mremap_flags(char *bf, size_t size,
507 struct syscall_arg *arg)
508{
509 int printed = 0, flags = arg->val;
510
511#define P_MREMAP_FLAG(n) \
512 if (flags & MREMAP_##n) { \
513 printed += scnprintf(bf + printed, size - printed, "%s%s", printed ? "|" : "", #n); \
514 flags &= ~MREMAP_##n; \
515 }
516
517 P_MREMAP_FLAG(MAYMOVE);
518#ifdef MREMAP_FIXED
519 P_MREMAP_FLAG(FIXED);
520#endif
521#undef P_MREMAP_FLAG
522
523 if (flags)
524 printed += scnprintf(bf + printed, size - printed, "%s%#x", printed ? "|" : "", flags);
525
526 return printed;
527}
528
529#define SCA_MREMAP_FLAGS syscall_arg__scnprintf_mremap_flags
530
6e7eeb51 531static size_t syscall_arg__scnprintf_madvise_behavior(char *bf, size_t size,
01533e97 532 struct syscall_arg *arg)
9e9716d1 533{
01533e97 534 int behavior = arg->val;
9e9716d1
ACM		 535
536 switch (behavior) {
537#define P_MADV_BHV(n) case MADV_##n: return scnprintf(bf, size, #n)
538 P_MADV_BHV(NORMAL);
539 P_MADV_BHV(RANDOM);
540 P_MADV_BHV(SEQUENTIAL);
541 P_MADV_BHV(WILLNEED);
542 P_MADV_BHV(DONTNEED);
543 P_MADV_BHV(REMOVE);
544 P_MADV_BHV(DONTFORK);
545 P_MADV_BHV(DOFORK);
546 P_MADV_BHV(HWPOISON);
547#ifdef MADV_SOFT_OFFLINE
548 P_MADV_BHV(SOFT_OFFLINE);
549#endif
550 P_MADV_BHV(MERGEABLE);
551 P_MADV_BHV(UNMERGEABLE);
f2935f3e 552#ifdef MADV_HUGEPAGE
9e9716d1 553 P_MADV_BHV(HUGEPAGE);
f2935f3e
DA		 554#endif
555#ifdef MADV_NOHUGEPAGE
9e9716d1 556 P_MADV_BHV(NOHUGEPAGE);
f2935f3e 557#endif
9e9716d1
ACM		 558#ifdef MADV_DONTDUMP
559 P_MADV_BHV(DONTDUMP);
560#endif
561#ifdef MADV_DODUMP
562 P_MADV_BHV(DODUMP);
563#endif
564#undef P_MADV_PHV
565 default: break;
566 }
567
568 return scnprintf(bf, size, "%#x", behavior);
569}
570
571#define SCA_MADV_BHV syscall_arg__scnprintf_madvise_behavior
572
5cea6ff2
ACM		 573static size_t syscall_arg__scnprintf_flock(char *bf, size_t size,
574 struct syscall_arg *arg)
575{
576 int printed = 0, op = arg->val;
577
578 if (op == 0)
579 return scnprintf(bf, size, "NONE");
580#define P_CMD(cmd) \
581 if ((op & LOCK_##cmd) == LOCK_##cmd) { \
582 printed += scnprintf(bf + printed, size - printed, "%s%s", printed ? "|" : "", #cmd); \
583 op &= ~LOCK_##cmd; \
584 }
585
586 P_CMD(SH);
587 P_CMD(EX);
588 P_CMD(NB);
589 P_CMD(UN);
590 P_CMD(MAND);
591 P_CMD(RW);
592 P_CMD(READ);
593 P_CMD(WRITE);
594#undef P_OP
595
596 if (op)
597 printed += scnprintf(bf + printed, size - printed, "%s%#x", printed ? "|" : "", op);
598
599 return printed;
600}
601
602#define SCA_FLOCK syscall_arg__scnprintf_flock
603
01533e97 604static size_t syscall_arg__scnprintf_futex_op(char *bf, size_t size, struct syscall_arg *arg)
f9da0b0c
ACM		 605{
606 enum syscall_futex_args {
607 SCF_UADDR = (1 << 0),
608 SCF_OP = (1 << 1),
609 SCF_VAL = (1 << 2),
610 SCF_TIMEOUT = (1 << 3),
611 SCF_UADDR2 = (1 << 4),
612 SCF_VAL3 = (1 << 5),
613 };
01533e97 614 int op = arg->val;
f9da0b0c
ACM		 615 int cmd = op & FUTEX_CMD_MASK;
616 size_t printed = 0;
617
618 switch (cmd) {
619#define P_FUTEX_OP(n) case FUTEX_##n: printed = scnprintf(bf, size, #n);
01533e97
ACM		 620 P_FUTEX_OP(WAIT); arg->mask |= SCF_VAL3|SCF_UADDR2; break;
621 P_FUTEX_OP(WAKE); arg->mask |= SCF_VAL3|SCF_UADDR2|SCF_TIMEOUT; break;
622 P_FUTEX_OP(FD); arg->mask |= SCF_VAL3|SCF_UADDR2|SCF_TIMEOUT; break;
623 P_FUTEX_OP(REQUEUE); arg->mask |= SCF_VAL3|SCF_TIMEOUT; break;
624 P_FUTEX_OP(CMP_REQUEUE); arg->mask |= SCF_TIMEOUT; break;
625 P_FUTEX_OP(CMP_REQUEUE_PI); arg->mask |= SCF_TIMEOUT; break;
f9da0b0c 626 P_FUTEX_OP(WAKE_OP); break;
01533e97
ACM		 627 P_FUTEX_OP(LOCK_PI); arg->mask |= SCF_VAL3|SCF_UADDR2|SCF_TIMEOUT; break;
628 P_FUTEX_OP(UNLOCK_PI); arg->mask |= SCF_VAL3|SCF_UADDR2|SCF_TIMEOUT; break;
629 P_FUTEX_OP(TRYLOCK_PI); arg->mask |= SCF_VAL3|SCF_UADDR2; break;
630 P_FUTEX_OP(WAIT_BITSET); arg->mask |= SCF_UADDR2; break;
631 P_FUTEX_OP(WAKE_BITSET); arg->mask |= SCF_UADDR2; break;
f9da0b0c
ACM		 632 P_FUTEX_OP(WAIT_REQUEUE_PI); break;
633 default: printed = scnprintf(bf, size, "%#x", cmd); break;
634 }
635
636 if (op & FUTEX_PRIVATE_FLAG)
637 printed += scnprintf(bf + printed, size - printed, "|PRIV");
638
639 if (op & FUTEX_CLOCK_REALTIME)
640 printed += scnprintf(bf + printed, size - printed, "|CLKRT");
641
642 return printed;
643}
644
efe6b882
ACM		 645#define SCA_FUTEX_OP syscall_arg__scnprintf_futex_op
646
729a7841
ACM		 647static const char *bpf_cmd[] = {
648 "MAP_CREATE", "MAP_LOOKUP_ELEM", "MAP_UPDATE_ELEM", "MAP_DELETE_ELEM",
649 "MAP_GET_NEXT_KEY", "PROG_LOAD",
650};
651static DEFINE_STRARRAY(bpf_cmd);
652
03e3adc9
ACM		 653static const char *epoll_ctl_ops[] = { "ADD", "DEL", "MOD", };
654static DEFINE_STRARRAY_OFFSET(epoll_ctl_ops, 1);
eac032c5 655
1f115cb7
ACM		 656static const char *itimers[] = { "REAL", "VIRTUAL", "PROF", };
657static DEFINE_STRARRAY(itimers);
658
b62bee1b
ACM		 659static const char *keyctl_options[] = {
660 "GET_KEYRING_ID", "JOIN_SESSION_KEYRING", "UPDATE", "REVOKE", "CHOWN",
661 "SETPERM", "DESCRIBE", "CLEAR", "LINK", "UNLINK", "SEARCH", "READ",
662 "INSTANTIATE", "NEGATE", "SET_REQKEY_KEYRING", "SET_TIMEOUT",
663 "ASSUME_AUTHORITY", "GET_SECURITY", "SESSION_TO_PARENT", "REJECT",
664 "INSTANTIATE_IOV", "INVALIDATE", "GET_PERSISTENT",
665};
666static DEFINE_STRARRAY(keyctl_options);
667
efe6b882
ACM		 668static const char *whences[] = { "SET", "CUR", "END",
669#ifdef SEEK_DATA
670"DATA",
671#endif
672#ifdef SEEK_HOLE
673"HOLE",
674#endif
675};
676static DEFINE_STRARRAY(whences);
f9da0b0c 677
80f587d5
ACM		 678static const char *fcntl_cmds[] = {
679 "DUPFD", "GETFD", "SETFD", "GETFL", "SETFL", "GETLK", "SETLK",
680 "SETLKW", "SETOWN", "GETOWN", "SETSIG", "GETSIG", "F_GETLK64",
681 "F_SETLK64", "F_SETLKW64", "F_SETOWN_EX", "F_GETOWN_EX",
682 "F_GETOWNER_UIDS",
683};
684static DEFINE_STRARRAY(fcntl_cmds);
685
c045bf02
ACM		 686static const char *rlimit_resources[] = {
687 "CPU", "FSIZE", "DATA", "STACK", "CORE", "RSS", "NPROC", "NOFILE",
688 "MEMLOCK", "AS", "LOCKS", "SIGPENDING", "MSGQUEUE", "NICE", "RTPRIO",
689 "RTTIME",
690};
691static DEFINE_STRARRAY(rlimit_resources);
692
eb5b1b14
ACM		 693static const char *sighow[] = { "BLOCK", "UNBLOCK", "SETMASK", };
694static DEFINE_STRARRAY(sighow);
695
4f8c1b74
DA		 696static const char *clockid[] = {
697 "REALTIME", "MONOTONIC", "PROCESS_CPUTIME_ID", "THREAD_CPUTIME_ID",
28ebb87c
ACM		 698 "MONOTONIC_RAW", "REALTIME_COARSE", "MONOTONIC_COARSE", "BOOTTIME",
699 "REALTIME_ALARM", "BOOTTIME_ALARM", "SGI_CYCLE", "TAI"
4f8c1b74
DA		 700};
701static DEFINE_STRARRAY(clockid);
702
e10bce81
ACM		 703static const char *socket_families[] = {
704 "UNSPEC", "LOCAL", "INET", "AX25", "IPX", "APPLETALK", "NETROM",
705 "BRIDGE", "ATMPVC", "X25", "INET6", "ROSE", "DECnet", "NETBEUI",
706 "SECURITY", "KEY", "NETLINK", "PACKET", "ASH", "ECONET", "ATMSVC",
707 "RDS", "SNA", "IRDA", "PPPOX", "WANPIPE", "LLC", "IB", "CAN", "TIPC",
708 "BLUETOOTH", "IUCV", "RXRPC", "ISDN", "PHONET", "IEEE802154", "CAIF",
709 "ALG", "NFC", "VSOCK",
710};
711static DEFINE_STRARRAY(socket_families);
712
a28b24b2
ACM		 713#ifndef SOCK_TYPE_MASK
714#define SOCK_TYPE_MASK 0xf
715#endif
716
717static size_t syscall_arg__scnprintf_socket_type(char *bf, size_t size,
718 struct syscall_arg *arg)
719{
720 size_t printed;
721 int type = arg->val,
722 flags = type & ~SOCK_TYPE_MASK;
723
724 type &= SOCK_TYPE_MASK;
725 /*
726 * Can't use a strarray, MIPS may override for ABI reasons.
727 */
728 switch (type) {
729#define P_SK_TYPE(n) case SOCK_##n: printed = scnprintf(bf, size, #n); break;
730 P_SK_TYPE(STREAM);
731 P_SK_TYPE(DGRAM);
732 P_SK_TYPE(RAW);
733 P_SK_TYPE(RDM);
734 P_SK_TYPE(SEQPACKET);
735 P_SK_TYPE(DCCP);
736 P_SK_TYPE(PACKET);
737#undef P_SK_TYPE
738 default:
739 printed = scnprintf(bf, size, "%#x", type);
740 }
741
742#define P_SK_FLAG(n) \
743 if (flags & SOCK_##n) { \
744 printed += scnprintf(bf + printed, size - printed, "|%s", #n); \
745 flags &= ~SOCK_##n; \
746 }
747
748 P_SK_FLAG(CLOEXEC);
749 P_SK_FLAG(NONBLOCK);
750#undef P_SK_FLAG
751
752 if (flags)
753 printed += scnprintf(bf + printed, size - printed, "|%#x", flags);
754
755 return printed;
756}
757
758#define SCA_SK_TYPE syscall_arg__scnprintf_socket_type
759
b2cc99fd
ACM		 760#ifndef MSG_PROBE
761#define MSG_PROBE 0x10
762#endif
b6e8f8f4
DA		 763#ifndef MSG_WAITFORONE
764#define MSG_WAITFORONE 0x10000
765#endif
b2cc99fd
ACM		 766#ifndef MSG_SENDPAGE_NOTLAST
767#define MSG_SENDPAGE_NOTLAST 0x20000
768#endif
769#ifndef MSG_FASTOPEN
770#define MSG_FASTOPEN 0x20000000
771#endif
772
773static size_t syscall_arg__scnprintf_msg_flags(char *bf, size_t size,
774 struct syscall_arg *arg)
775{
776 int printed = 0, flags = arg->val;
777
778 if (flags == 0)
779 return scnprintf(bf, size, "NONE");
780#define P_MSG_FLAG(n) \
781 if (flags & MSG_##n) { \
782 printed += scnprintf(bf + printed, size - printed, "%s%s", printed ? "|" : "", #n); \
783 flags &= ~MSG_##n; \
784 }
785
786 P_MSG_FLAG(OOB);
787 P_MSG_FLAG(PEEK);
788 P_MSG_FLAG(DONTROUTE);
789 P_MSG_FLAG(TRYHARD);
790 P_MSG_FLAG(CTRUNC);
791 P_MSG_FLAG(PROBE);
792 P_MSG_FLAG(TRUNC);
793 P_MSG_FLAG(DONTWAIT);
794 P_MSG_FLAG(EOR);
795 P_MSG_FLAG(WAITALL);
796 P_MSG_FLAG(FIN);
797 P_MSG_FLAG(SYN);
798 P_MSG_FLAG(CONFIRM);
799 P_MSG_FLAG(RST);
800 P_MSG_FLAG(ERRQUEUE);
801 P_MSG_FLAG(NOSIGNAL);
802 P_MSG_FLAG(MORE);
803 P_MSG_FLAG(WAITFORONE);
804 P_MSG_FLAG(SENDPAGE_NOTLAST);
805 P_MSG_FLAG(FASTOPEN);
806 P_MSG_FLAG(CMSG_CLOEXEC);
807#undef P_MSG_FLAG
808
809 if (flags)
810 printed += scnprintf(bf + printed, size - printed, "%s%#x", printed ? "|" : "", flags);
811
812 return printed;
813}
814
815#define SCA_MSG_FLAGS syscall_arg__scnprintf_msg_flags
816
51108999
ACM		 817static size_t syscall_arg__scnprintf_access_mode(char *bf, size_t size,
818 struct syscall_arg *arg)
819{
820 size_t printed = 0;
821 int mode = arg->val;
822
823 if (mode == F_OK) /* 0 */
824 return scnprintf(bf, size, "F");
825#define P_MODE(n) \
826 if (mode & n##_OK) { \
827 printed += scnprintf(bf + printed, size - printed, "%s", #n); \
828 mode &= ~n##_OK; \
829 }
830
831 P_MODE(R);
832 P_MODE(W);
833 P_MODE(X);
834#undef P_MODE
835
836 if (mode)
837 printed += scnprintf(bf + printed, size - printed, "|%#x", mode);
838
839 return printed;
840}
841
842#define SCA_ACCMODE syscall_arg__scnprintf_access_mode
843
f994592d
ACM		 844static size_t syscall_arg__scnprintf_filename(char *bf, size_t size,
845 struct syscall_arg *arg);
846
847#define SCA_FILENAME syscall_arg__scnprintf_filename
848
be65a89a 849static size_t syscall_arg__scnprintf_open_flags(char *bf, size_t size,
01533e97 850 struct syscall_arg *arg)
be65a89a 851{
01533e97 852 int printed = 0, flags = arg->val;
be65a89a
ACM		 853
854 if (!(flags & O_CREAT))
01533e97 855 arg->mask |= 1 << (arg->idx + 1); /* Mask the mode parm */
be65a89a
ACM		 856
857 if (flags == 0)
858 return scnprintf(bf, size, "RDONLY");
859#define P_FLAG(n) \
860 if (flags & O_##n) { \
861 printed += scnprintf(bf + printed, size - printed, "%s%s", printed ? "|" : "", #n); \
862 flags &= ~O_##n; \
863 }
864
865 P_FLAG(APPEND);
866 P_FLAG(ASYNC);
867 P_FLAG(CLOEXEC);
868 P_FLAG(CREAT);
869 P_FLAG(DIRECT);
870 P_FLAG(DIRECTORY);
871 P_FLAG(EXCL);
872 P_FLAG(LARGEFILE);
873 P_FLAG(NOATIME);
874 P_FLAG(NOCTTY);
875#ifdef O_NONBLOCK
876 P_FLAG(NONBLOCK);
877#elif O_NDELAY
878 P_FLAG(NDELAY);
879#endif
880#ifdef O_PATH
881 P_FLAG(PATH);
882#endif
883 P_FLAG(RDWR);
884#ifdef O_DSYNC
885 if ((flags & O_SYNC) == O_SYNC)
886 printed += scnprintf(bf + printed, size - printed, "%s%s", printed ? "|" : "", "SYNC");
887 else {
888 P_FLAG(DSYNC);
889 }
890#else
891 P_FLAG(SYNC);
892#endif
893 P_FLAG(TRUNC);
894 P_FLAG(WRONLY);
895#undef P_FLAG
896
897 if (flags)
898 printed += scnprintf(bf + printed, size - printed, "%s%#x", printed ? "|" : "", flags);
899
900 return printed;
901}
902
903#define SCA_OPEN_FLAGS syscall_arg__scnprintf_open_flags
904
a1c2552d
ACM		 905static size_t syscall_arg__scnprintf_perf_flags(char *bf, size_t size,
906 struct syscall_arg *arg)
907{
908 int printed = 0, flags = arg->val;
909
910 if (flags == 0)
911 return 0;
912
913#define P_FLAG(n) \
914 if (flags & PERF_FLAG_##n) { \
915 printed += scnprintf(bf + printed, size - printed, "%s%s", printed ? "|" : "", #n); \
916 flags &= ~PERF_FLAG_##n; \
917 }
918
919 P_FLAG(FD_NO_GROUP);
920 P_FLAG(FD_OUTPUT);
921 P_FLAG(PID_CGROUP);
922 P_FLAG(FD_CLOEXEC);
923#undef P_FLAG
924
925 if (flags)
926 printed += scnprintf(bf + printed, size - printed, "%s%#x", printed ? "|" : "", flags);
927
928 return printed;
929}
930
931#define SCA_PERF_FLAGS syscall_arg__scnprintf_perf_flags
932
49af9e93
ACM		 933static size_t syscall_arg__scnprintf_eventfd_flags(char *bf, size_t size,
934 struct syscall_arg *arg)
935{
936 int printed = 0, flags = arg->val;
937
938 if (flags == 0)
939 return scnprintf(bf, size, "NONE");
940#define P_FLAG(n) \
941 if (flags & EFD_##n) { \
942 printed += scnprintf(bf + printed, size - printed, "%s%s", printed ? "|" : "", #n); \
943 flags &= ~EFD_##n; \
944 }
945
946 P_FLAG(SEMAPHORE);
947 P_FLAG(CLOEXEC);
948 P_FLAG(NONBLOCK);
949#undef P_FLAG
950
951 if (flags)
952 printed += scnprintf(bf + printed, size - printed, "%s%#x", printed ? "|" : "", flags);
953
954 return printed;
955}
956
957#define SCA_EFD_FLAGS syscall_arg__scnprintf_eventfd_flags
958
46cce19b
ACM		 959static size_t syscall_arg__scnprintf_pipe_flags(char *bf, size_t size,
960 struct syscall_arg *arg)
961{
962 int printed = 0, flags = arg->val;
963
964#define P_FLAG(n) \
965 if (flags & O_##n) { \
966 printed += scnprintf(bf + printed, size - printed, "%s%s", printed ? "|" : "", #n); \
967 flags &= ~O_##n; \
968 }
969
970 P_FLAG(CLOEXEC);
971 P_FLAG(NONBLOCK);
972#undef P_FLAG
973
974 if (flags)
975 printed += scnprintf(bf + printed, size - printed, "%s%#x", printed ? "|" : "", flags);
976
977 return printed;
978}
979
980#define SCA_PIPE_FLAGS syscall_arg__scnprintf_pipe_flags
981
8bad5b0a
ACM		 982static size_t syscall_arg__scnprintf_signum(char *bf, size_t size, struct syscall_arg *arg)
983{
984 int sig = arg->val;
985
986 switch (sig) {
987#define P_SIGNUM(n) case SIG##n: return scnprintf(bf, size, #n)
988 P_SIGNUM(HUP);
989 P_SIGNUM(INT);
990 P_SIGNUM(QUIT);
991 P_SIGNUM(ILL);
992 P_SIGNUM(TRAP);
993 P_SIGNUM(ABRT);
994 P_SIGNUM(BUS);
995 P_SIGNUM(FPE);
996 P_SIGNUM(KILL);
997 P_SIGNUM(USR1);
998 P_SIGNUM(SEGV);
999 P_SIGNUM(USR2);
1000 P_SIGNUM(PIPE);
1001 P_SIGNUM(ALRM);
1002 P_SIGNUM(TERM);
8bad5b0a
ACM		 1003 P_SIGNUM(CHLD);
1004 P_SIGNUM(CONT);
1005 P_SIGNUM(STOP);
1006 P_SIGNUM(TSTP);
1007 P_SIGNUM(TTIN);
1008 P_SIGNUM(TTOU);
1009 P_SIGNUM(URG);
1010 P_SIGNUM(XCPU);
1011 P_SIGNUM(XFSZ);
1012 P_SIGNUM(VTALRM);
1013 P_SIGNUM(PROF);
1014 P_SIGNUM(WINCH);
1015 P_SIGNUM(IO);
1016 P_SIGNUM(PWR);
1017 P_SIGNUM(SYS);
02c5bb4a
BH		 1018#ifdef SIGEMT
1019 P_SIGNUM(EMT);
1020#endif
1021#ifdef SIGSTKFLT
1022 P_SIGNUM(STKFLT);
1023#endif
1024#ifdef SIGSWI
1025 P_SIGNUM(SWI);
1026#endif
8bad5b0a
ACM		 1027 default: break;
1028 }
1029
1030 return scnprintf(bf, size, "%#x", sig);
1031}
1032
1033#define SCA_SIGNUM syscall_arg__scnprintf_signum
1034
844ae5b4
ACM		 1035#if defined(__i386__) || defined(__x86_64__)
1036/*
1037 * FIXME: Make this available to all arches.
1038 */
78645cf3
ACM		 1039#define TCGETS 0x5401
1040
1041static const char *tioctls[] = {
1042 "TCGETS", "TCSETS", "TCSETSW", "TCSETSF", "TCGETA", "TCSETA", "TCSETAW",
1043 "TCSETAF", "TCSBRK", "TCXONC", "TCFLSH", "TIOCEXCL", "TIOCNXCL",
1044 "TIOCSCTTY", "TIOCGPGRP", "TIOCSPGRP", "TIOCOUTQ", "TIOCSTI",
1045 "TIOCGWINSZ", "TIOCSWINSZ", "TIOCMGET", "TIOCMBIS", "TIOCMBIC",
1046 "TIOCMSET", "TIOCGSOFTCAR", "TIOCSSOFTCAR", "FIONREAD", "TIOCLINUX",
1047 "TIOCCONS", "TIOCGSERIAL", "TIOCSSERIAL", "TIOCPKT", "FIONBIO",
1048 "TIOCNOTTY", "TIOCSETD", "TIOCGETD", "TCSBRKP", [0x27] = "TIOCSBRK",
1049 "TIOCCBRK", "TIOCGSID", "TCGETS2", "TCSETS2", "TCSETSW2", "TCSETSF2",
1050 "TIOCGRS485", "TIOCSRS485", "TIOCGPTN", "TIOCSPTLCK",
1051 "TIOCGDEV||TCGETX", "TCSETX", "TCSETXF", "TCSETXW", "TIOCSIG",
1052 "TIOCVHANGUP", "TIOCGPKT", "TIOCGPTLCK", "TIOCGEXCL",
1053 [0x50] = "FIONCLEX", "FIOCLEX", "FIOASYNC", "TIOCSERCONFIG",
1054 "TIOCSERGWILD", "TIOCSERSWILD", "TIOCGLCKTRMIOS", "TIOCSLCKTRMIOS",
1055 "TIOCSERGSTRUCT", "TIOCSERGETLSR", "TIOCSERGETMULTI", "TIOCSERSETMULTI",
1056 "TIOCMIWAIT", "TIOCGICOUNT", [0x60] = "FIOQSIZE",
1057};
1058
1059static DEFINE_STRARRAY_OFFSET(tioctls, 0x5401);
844ae5b4 1060#endif /* defined(__i386__) || defined(__x86_64__) */
78645cf3 1061
997bba8c
ACM		 1062static size_t syscall_arg__scnprintf_seccomp_op(char *bf, size_t size, struct syscall_arg *arg)
1063{
1064 int op = arg->val;
1065 size_t printed = 0;
1066
1067 switch (op) {
1068#define P_SECCOMP_SET_MODE_OP(n) case SECCOMP_SET_MODE_##n: printed = scnprintf(bf, size, #n); break
1069 P_SECCOMP_SET_MODE_OP(STRICT);
1070 P_SECCOMP_SET_MODE_OP(FILTER);
1071#undef P_SECCOMP_SET_MODE_OP
1072 default: printed = scnprintf(bf, size, "%#x", op); break;
1073 }
1074
1075 return printed;
1076}
1077
1078#define SCA_SECCOMP_OP syscall_arg__scnprintf_seccomp_op
1079
1080static size_t syscall_arg__scnprintf_seccomp_flags(char *bf, size_t size,
1081 struct syscall_arg *arg)
1082{
1083 int printed = 0, flags = arg->val;
1084
1085#define P_FLAG(n) \
1086 if (flags & SECCOMP_FILTER_FLAG_##n) { \
1087 printed += scnprintf(bf + printed, size - printed, "%s%s", printed ? "|" : "", #n); \
1088 flags &= ~SECCOMP_FILTER_FLAG_##n; \
1089 }
1090
1091 P_FLAG(TSYNC);
1092#undef P_FLAG
1093
1094 if (flags)
1095 printed += scnprintf(bf + printed, size - printed, "%s%#x", printed ? "|" : "", flags);
1096
1097 return printed;
1098}
1099
1100#define SCA_SECCOMP_FLAGS syscall_arg__scnprintf_seccomp_flags
1101
39878d49
ACM		 1102static size_t syscall_arg__scnprintf_getrandom_flags(char *bf, size_t size,
1103 struct syscall_arg *arg)
1104{
1105 int printed = 0, flags = arg->val;
1106
1107#define P_FLAG(n) \
1108 if (flags & GRND_##n) { \
1109 printed += scnprintf(bf + printed, size - printed, "%s%s", printed ? "|" : "", #n); \
1110 flags &= ~GRND_##n; \
1111 }
1112
1113 P_FLAG(RANDOM);
1114 P_FLAG(NONBLOCK);
1115#undef P_FLAG
1116
1117 if (flags)
1118 printed += scnprintf(bf + printed, size - printed, "%s%#x", printed ? "|" : "", flags);
1119
1120 return printed;
1121}
1122
1123#define SCA_GETRANDOM_FLAGS syscall_arg__scnprintf_getrandom_flags
1124
453350dd
ACM		 1125#define STRARRAY(arg, name, array) \
1126 .arg_scnprintf = { [arg] = SCA_STRARRAY, }, \
1127 .arg_parm = { [arg] = &strarray__##array, }
1128
d1d438a3 1129#include "trace/beauty/pid.c"
ba2f22cf 1130#include "trace/beauty/mode_t.c"
a3bca91f 1131#include "trace/beauty/sched_policy.c"
7206b900 1132#include "trace/beauty/waitid_options.c"
a3bca91f 1133
514f1c67
ACM		 1134static struct syscall_fmt {
1135 const char *name;
aec1930b 1136 const char *alias;
01533e97 1137 size_t (*arg_scnprintf[6])(char *bf, size_t size, struct syscall_arg *arg);
1f115cb7 1138 void *arg_parm[6];
514f1c67 1139 bool errmsg;
11c8e39f 1140 bool errpid;
514f1c67 1141 bool timeout;
04b34729 1142 bool hexret;
514f1c67 1143} syscall_fmts[] = {
51108999 1144 { .name = "access", .errmsg = true,
34221118
ACM		 1145 .arg_scnprintf = { [0] = SCA_FILENAME, /* filename */
1146 [1] = SCA_ACCMODE, /* mode */ }, },
aec1930b 1147 { .name = "arch_prctl", .errmsg = true, .alias = "prctl", },
729a7841 1148 { .name = "bpf", .errmsg = true, STRARRAY(0, cmd, bpf_cmd), },
beccb2b5
ACM		 1149 { .name = "brk", .hexret = true,
1150 .arg_scnprintf = { [0] = SCA_HEX, /* brk */ }, },
34221118
ACM		 1151 { .name = "chdir", .errmsg = true,
1152 .arg_scnprintf = { [0] = SCA_FILENAME, /* filename */ }, },
1153 { .name = "chmod", .errmsg = true,
1154 .arg_scnprintf = { [0] = SCA_FILENAME, /* filename */ }, },
1155 { .name = "chroot", .errmsg = true,
1156 .arg_scnprintf = { [0] = SCA_FILENAME, /* filename */ }, },
4f8c1b74 1157 { .name = "clock_gettime", .errmsg = true, STRARRAY(0, clk_id, clockid), },
11c8e39f 1158 { .name = "clone", .errpid = true, },
75b757ca 1159 { .name = "close", .errmsg = true,
48000a1a 1160 .arg_scnprintf = { [0] = SCA_CLOSE_FD, /* fd */ }, },
a14bb860 1161 { .name = "connect", .errmsg = true, },
34221118
ACM		 1162 { .name = "creat", .errmsg = true,
1163 .arg_scnprintf = { [0] = SCA_FILENAME, /* pathname */ }, },
75b757ca 1164 { .name = "dup", .errmsg = true,
48000a1a 1165 .arg_scnprintf = { [0] = SCA_FD, /* fd */ }, },
75b757ca 1166 { .name = "dup2", .errmsg = true,
48000a1a 1167 .arg_scnprintf = { [0] = SCA_FD, /* fd */ }, },
75b757ca 1168 { .name = "dup3", .errmsg = true,
48000a1a 1169 .arg_scnprintf = { [0] = SCA_FD, /* fd */ }, },
453350dd 1170 { .name = "epoll_ctl", .errmsg = true, STRARRAY(1, op, epoll_ctl_ops), },
49af9e93
ACM		 1171 { .name = "eventfd2", .errmsg = true,
1172 .arg_scnprintf = { [1] = SCA_EFD_FLAGS, /* flags */ }, },
75b757ca 1173 { .name = "faccessat", .errmsg = true,
34221118
ACM		 1174 .arg_scnprintf = { [0] = SCA_FDAT, /* dfd */
1175 [1] = SCA_FILENAME, /* filename */ }, },
75b757ca 1176 { .name = "fadvise64", .errmsg = true,
48000a1a 1177 .arg_scnprintf = { [0] = SCA_FD, /* fd */ }, },
75b757ca 1178 { .name = "fallocate", .errmsg = true,
48000a1a 1179 .arg_scnprintf = { [0] = SCA_FD, /* fd */ }, },
75b757ca 1180 { .name = "fchdir", .errmsg = true,
48000a1a 1181 .arg_scnprintf = { [0] = SCA_FD, /* fd */ }, },
75b757ca 1182 { .name = "fchmod", .errmsg = true,
48000a1a 1183 .arg_scnprintf = { [0] = SCA_FD, /* fd */ }, },
75b757ca 1184 { .name = "fchmodat", .errmsg = true,
090389b6
ACM		 1185 .arg_scnprintf = { [0] = SCA_FDAT, /* fd */
1186 [1] = SCA_FILENAME, /* filename */ }, },
75b757ca 1187 { .name = "fchown", .errmsg = true,
48000a1a 1188 .arg_scnprintf = { [0] = SCA_FD, /* fd */ }, },
75b757ca 1189 { .name = "fchownat", .errmsg = true,
34221118
ACM		 1190 .arg_scnprintf = { [0] = SCA_FDAT, /* fd */
1191 [1] = SCA_FILENAME, /* filename */ }, },
75b757ca
ACM		 1192 { .name = "fcntl", .errmsg = true,
1193 .arg_scnprintf = { [0] = SCA_FD, /* fd */
1194 [1] = SCA_STRARRAY, /* cmd */ },
1195 .arg_parm = { [1] = &strarray__fcntl_cmds, /* cmd */ }, },
1196 { .name = "fdatasync", .errmsg = true,
48000a1a 1197 .arg_scnprintf = { [0] = SCA_FD, /* fd */ }, },
5cea6ff2 1198 { .name = "flock", .errmsg = true,
75b757ca
ACM		 1199 .arg_scnprintf = { [0] = SCA_FD, /* fd */
1200 [1] = SCA_FLOCK, /* cmd */ }, },
1201 { .name = "fsetxattr", .errmsg = true,
48000a1a 1202 .arg_scnprintf = { [0] = SCA_FD, /* fd */ }, },
75b757ca 1203 { .name = "fstat", .errmsg = true, .alias = "newfstat",
48000a1a 1204 .arg_scnprintf = { [0] = SCA_FD, /* fd */ }, },
75b757ca 1205 { .name = "fstatat", .errmsg = true, .alias = "newfstatat",
34221118
ACM		 1206 .arg_scnprintf = { [0] = SCA_FDAT, /* dfd */
1207 [1] = SCA_FILENAME, /* filename */ }, },
75b757ca 1208 { .name = "fstatfs", .errmsg = true,
48000a1a 1209 .arg_scnprintf = { [0] = SCA_FD, /* fd */ }, },
75b757ca 1210 { .name = "fsync", .errmsg = true,
48000a1a 1211 .arg_scnprintf = { [0] = SCA_FD, /* fd */ }, },
75b757ca 1212 { .name = "ftruncate", .errmsg = true,
48000a1a 1213 .arg_scnprintf = { [0] = SCA_FD, /* fd */ }, },
f9da0b0c
ACM		 1214 { .name = "futex", .errmsg = true,
1215 .arg_scnprintf = { [1] = SCA_FUTEX_OP, /* op */ }, },
75b757ca 1216 { .name = "futimesat", .errmsg = true,
090389b6
ACM		 1217 .arg_scnprintf = { [0] = SCA_FDAT, /* fd */
1218 [1] = SCA_FILENAME, /* filename */ }, },
75b757ca 1219 { .name = "getdents", .errmsg = true,
48000a1a 1220 .arg_scnprintf = { [0] = SCA_FD, /* fd */ }, },
75b757ca 1221 { .name = "getdents64", .errmsg = true,
48000a1a 1222 .arg_scnprintf = { [0] = SCA_FD, /* fd */ }, },
453350dd 1223 { .name = "getitimer", .errmsg = true, STRARRAY(0, which, itimers), },
c65f1070 1224 { .name = "getpid", .errpid = true, },
d1d438a3 1225 { .name = "getpgid", .errpid = true, },
c65f1070 1226 { .name = "getppid", .errpid = true, },
39878d49
ACM		 1227 { .name = "getrandom", .errmsg = true,
1228 .arg_scnprintf = { [2] = SCA_GETRANDOM_FLAGS, /* flags */ }, },
453350dd 1229 { .name = "getrlimit", .errmsg = true, STRARRAY(0, resource, rlimit_resources), },
34221118
ACM		 1230 { .name = "getxattr", .errmsg = true,
1231 .arg_scnprintf = { [0] = SCA_FILENAME, /* pathname */ }, },
1232 { .name = "inotify_add_watch", .errmsg = true,
1233 .arg_scnprintf = { [1] = SCA_FILENAME, /* pathname */ }, },
beccb2b5 1234 { .name = "ioctl", .errmsg = true,
48000a1a 1235 .arg_scnprintf = { [0] = SCA_FD, /* fd */
844ae5b4
ACM		 1236#if defined(__i386__) || defined(__x86_64__)
1237/*
1238 * FIXME: Make this available to all arches.
1239 */
78645cf3
ACM		 1240 [1] = SCA_STRHEXARRAY, /* cmd */
1241 [2] = SCA_HEX, /* arg */ },
1242 .arg_parm = { [1] = &strarray__tioctls, /* cmd */ }, },
844ae5b4
ACM		 1243#else
1244 [2] = SCA_HEX, /* arg */ }, },
1245#endif
b62bee1b 1246 { .name = "keyctl", .errmsg = true, STRARRAY(0, option, keyctl_options), },
8bad5b0a
ACM		 1247 { .name = "kill", .errmsg = true,
1248 .arg_scnprintf = { [1] = SCA_SIGNUM, /* sig */ }, },
34221118
ACM		 1249 { .name = "lchown", .errmsg = true,
1250 .arg_scnprintf = { [0] = SCA_FILENAME, /* filename */ }, },
1251 { .name = "lgetxattr", .errmsg = true,
1252 .arg_scnprintf = { [0] = SCA_FILENAME, /* pathname */ }, },
75b757ca 1253 { .name = "linkat", .errmsg = true,
48000a1a 1254 .arg_scnprintf = { [0] = SCA_FDAT, /* fd */ }, },
34221118
ACM		 1255 { .name = "listxattr", .errmsg = true,
1256 .arg_scnprintf = { [0] = SCA_FILENAME, /* pathname */ }, },
090389b6
ACM		 1257 { .name = "llistxattr", .errmsg = true,
1258 .arg_scnprintf = { [0] = SCA_FILENAME, /* pathname */ }, },
1259 { .name = "lremovexattr", .errmsg = true,
1260 .arg_scnprintf = { [0] = SCA_FILENAME, /* pathname */ }, },
75b757ca
ACM		 1261 { .name = "lseek", .errmsg = true,
1262 .arg_scnprintf = { [0] = SCA_FD, /* fd */
1263 [2] = SCA_STRARRAY, /* whence */ },
1264 .arg_parm = { [2] = &strarray__whences, /* whence */ }, },
34221118
ACM		 1265 { .name = "lsetxattr", .errmsg = true,
1266 .arg_scnprintf = { [0] = SCA_FILENAME, /* pathname */ }, },
090389b6
ACM		 1267 { .name = "lstat", .errmsg = true, .alias = "newlstat",
1268 .arg_scnprintf = { [0] = SCA_FILENAME, /* filename */ }, },
34221118
ACM		 1269 { .name = "lsxattr", .errmsg = true,
1270 .arg_scnprintf = { [0] = SCA_FILENAME, /* pathname */ }, },
9e9716d1
ACM		 1271 { .name = "madvise", .errmsg = true,
1272 .arg_scnprintf = { [0] = SCA_HEX, /* start */
1273 [2] = SCA_MADV_BHV, /* behavior */ }, },
34221118
ACM		 1274 { .name = "mkdir", .errmsg = true,
1275 .arg_scnprintf = { [0] = SCA_FILENAME, /* pathname */ }, },
75b757ca 1276 { .name = "mkdirat", .errmsg = true,
34221118
ACM		 1277 .arg_scnprintf = { [0] = SCA_FDAT, /* fd */
1278 [1] = SCA_FILENAME, /* pathname */ }, },
1279 { .name = "mknod", .errmsg = true,
1280 .arg_scnprintf = { [0] = SCA_FILENAME, /* filename */ }, },
75b757ca 1281 { .name = "mknodat", .errmsg = true,
090389b6
ACM		 1282 .arg_scnprintf = { [0] = SCA_FDAT, /* fd */
1283 [1] = SCA_FILENAME, /* filename */ }, },
3d903aa7
ACM		 1284 { .name = "mlock", .errmsg = true,
1285 .arg_scnprintf = { [0] = SCA_HEX, /* addr */ }, },
1286 { .name = "mlockall", .errmsg = true,
1287 .arg_scnprintf = { [0] = SCA_HEX, /* addr */ }, },
beccb2b5 1288 { .name = "mmap", .hexret = true,
ae685380 1289 .arg_scnprintf = { [0] = SCA_HEX, /* addr */
941557e0 1290 [2] = SCA_MMAP_PROT, /* prot */
73faab3a
NK		 1291 [3] = SCA_MMAP_FLAGS, /* flags */
1292 [4] = SCA_FD, /* fd */ }, },
beccb2b5 1293 { .name = "mprotect", .errmsg = true,
ae685380
ACM		 1294 .arg_scnprintf = { [0] = SCA_HEX, /* start */
1295 [2] = SCA_MMAP_PROT, /* prot */ }, },
090389b6
ACM		 1296 { .name = "mq_unlink", .errmsg = true,
1297 .arg_scnprintf = { [0] = SCA_FILENAME, /* u_name */ }, },
ae685380
ACM		 1298 { .name = "mremap", .hexret = true,
1299 .arg_scnprintf = { [0] = SCA_HEX, /* addr */
86998dda 1300 [3] = SCA_MREMAP_FLAGS, /* flags */
ae685380 1301 [4] = SCA_HEX, /* new_addr */ }, },
3d903aa7
ACM		 1302 { .name = "munlock", .errmsg = true,
1303 .arg_scnprintf = { [0] = SCA_HEX, /* addr */ }, },
beccb2b5
ACM		 1304 { .name = "munmap", .errmsg = true,
1305 .arg_scnprintf = { [0] = SCA_HEX, /* addr */ }, },
75b757ca 1306 { .name = "name_to_handle_at", .errmsg = true,
48000a1a 1307 .arg_scnprintf = { [0] = SCA_FDAT, /* dfd */ }, },
75b757ca 1308 { .name = "newfstatat", .errmsg = true,
34221118
ACM		 1309 .arg_scnprintf = { [0] = SCA_FDAT, /* dfd */
1310 [1] = SCA_FILENAME, /* filename */ }, },
be65a89a 1311 { .name = "open", .errmsg = true,
f994592d
ACM		 1312 .arg_scnprintf = { [0] = SCA_FILENAME, /* filename */
1313 [1] = SCA_OPEN_FLAGS, /* flags */ }, },
31cd3855 1314 { .name = "open_by_handle_at", .errmsg = true,
75b757ca
ACM		 1315 .arg_scnprintf = { [0] = SCA_FDAT, /* dfd */
1316 [2] = SCA_OPEN_FLAGS, /* flags */ }, },
31cd3855 1317 { .name = "openat", .errmsg = true,
75b757ca 1318 .arg_scnprintf = { [0] = SCA_FDAT, /* dfd */
34221118 1319 [1] = SCA_FILENAME, /* filename */
75b757ca 1320 [2] = SCA_OPEN_FLAGS, /* flags */ }, },
a1c2552d
ACM		 1321 { .name = "perf_event_open", .errmsg = true,
1322 .arg_scnprintf = { [1] = SCA_INT, /* pid */
1323 [2] = SCA_INT, /* cpu */
1324 [3] = SCA_FD, /* group_fd */
1325 [4] = SCA_PERF_FLAGS, /* flags */ }, },
46cce19b
ACM		 1326 { .name = "pipe2", .errmsg = true,
1327 .arg_scnprintf = { [1] = SCA_PIPE_FLAGS, /* flags */ }, },
aec1930b
ACM		 1328 { .name = "poll", .errmsg = true, .timeout = true, },
1329 { .name = "ppoll", .errmsg = true, .timeout = true, },
75b757ca 1330 { .name = "pread", .errmsg = true, .alias = "pread64",
48000a1a 1331 .arg_scnprintf = { [0] = SCA_FD, /* fd */ }, },
75b757ca 1332 { .name = "preadv", .errmsg = true, .alias = "pread",
48000a1a 1333 .arg_scnprintf = { [0] = SCA_FD, /* fd */ }, },
453350dd 1334 { .name = "prlimit64", .errmsg = true, STRARRAY(1, resource, rlimit_resources), },
75b757ca 1335 { .name = "pwrite", .errmsg = true, .alias = "pwrite64",
48000a1a 1336 .arg_scnprintf = { [0] = SCA_FD, /* fd */ }, },
75b757ca 1337 { .name = "pwritev", .errmsg = true,
48000a1a 1338 .arg_scnprintf = { [0] = SCA_FD, /* fd */ }, },
75b757ca 1339 { .name = "read", .errmsg = true,
48000a1a 1340 .arg_scnprintf = { [0] = SCA_FD, /* fd */ }, },
34221118
ACM		 1341 { .name = "readlink", .errmsg = true,
1342 .arg_scnprintf = { [0] = SCA_FILENAME, /* path */ }, },
75b757ca 1343 { .name = "readlinkat", .errmsg = true,
34221118
ACM		 1344 .arg_scnprintf = { [0] = SCA_FDAT, /* dfd */
1345 [1] = SCA_FILENAME, /* pathname */ }, },
75b757ca 1346 { .name = "readv", .errmsg = true,
48000a1a 1347 .arg_scnprintf = { [0] = SCA_FD, /* fd */ }, },
b2cc99fd 1348 { .name = "recvfrom", .errmsg = true,
8d8c66a2
ACM		 1349 .arg_scnprintf = { [0] = SCA_FD, /* fd */
1350 [3] = SCA_MSG_FLAGS, /* flags */ }, },
b2cc99fd 1351 { .name = "recvmmsg", .errmsg = true,
8d8c66a2
ACM		 1352 .arg_scnprintf = { [0] = SCA_FD, /* fd */
1353 [3] = SCA_MSG_FLAGS, /* flags */ }, },
b2cc99fd 1354 { .name = "recvmsg", .errmsg = true,
8d8c66a2
ACM		 1355 .arg_scnprintf = { [0] = SCA_FD, /* fd */
1356 [2] = SCA_MSG_FLAGS, /* flags */ }, },
34221118
ACM		 1357 { .name = "removexattr", .errmsg = true,
1358 .arg_scnprintf = { [0] = SCA_FILENAME, /* pathname */ }, },
75b757ca 1359 { .name = "renameat", .errmsg = true,
48000a1a 1360 .arg_scnprintf = { [0] = SCA_FDAT, /* dfd */ }, },
34221118
ACM		 1361 { .name = "rmdir", .errmsg = true,
1362 .arg_scnprintf = { [0] = SCA_FILENAME, /* pathname */ }, },
8bad5b0a
ACM		 1363 { .name = "rt_sigaction", .errmsg = true,
1364 .arg_scnprintf = { [0] = SCA_SIGNUM, /* sig */ }, },
453350dd 1365 { .name = "rt_sigprocmask", .errmsg = true, STRARRAY(0, how, sighow), },
8bad5b0a
ACM		 1366 { .name = "rt_sigqueueinfo", .errmsg = true,
1367 .arg_scnprintf = { [1] = SCA_SIGNUM, /* sig */ }, },
1368 { .name = "rt_tgsigqueueinfo", .errmsg = true,
1369 .arg_scnprintf = { [2] = SCA_SIGNUM, /* sig */ }, },
a3bca91f
ACM		 1370 { .name = "sched_setscheduler", .errmsg = true,
1371 .arg_scnprintf = { [1] = SCA_SCHED_POLICY, /* policy */ }, },
997bba8c
ACM		 1372 { .name = "seccomp", .errmsg = true,
1373 .arg_scnprintf = { [0] = SCA_SECCOMP_OP, /* op */
1374 [1] = SCA_SECCOMP_FLAGS, /* flags */ }, },
aec1930b 1375 { .name = "select", .errmsg = true, .timeout = true, },
b2cc99fd 1376 { .name = "sendmmsg", .errmsg = true,
8d8c66a2
ACM		 1377 .arg_scnprintf = { [0] = SCA_FD, /* fd */
1378 [3] = SCA_MSG_FLAGS, /* flags */ }, },
b2cc99fd 1379 { .name = "sendmsg", .errmsg = true,
8d8c66a2
ACM		 1380 .arg_scnprintf = { [0] = SCA_FD, /* fd */
1381 [2] = SCA_MSG_FLAGS, /* flags */ }, },
b2cc99fd 1382 { .name = "sendto", .errmsg = true,
8d8c66a2
ACM		 1383 .arg_scnprintf = { [0] = SCA_FD, /* fd */
1384 [3] = SCA_MSG_FLAGS, /* flags */ }, },
c65f1070 1385 { .name = "set_tid_address", .errpid = true, },
453350dd 1386 { .name = "setitimer", .errmsg = true, STRARRAY(0, which, itimers), },
d1d438a3 1387 { .name = "setpgid", .errmsg = true, },
453350dd 1388 { .name = "setrlimit", .errmsg = true, STRARRAY(0, resource, rlimit_resources), },
34221118
ACM		 1389 { .name = "setxattr", .errmsg = true,
1390 .arg_scnprintf = { [0] = SCA_FILENAME, /* pathname */ }, },
75b757ca 1391 { .name = "shutdown", .errmsg = true,
48000a1a 1392 .arg_scnprintf = { [0] = SCA_FD, /* fd */ }, },
e10bce81 1393 { .name = "socket", .errmsg = true,
a28b24b2
ACM		 1394 .arg_scnprintf = { [0] = SCA_STRARRAY, /* family */
1395 [1] = SCA_SK_TYPE, /* type */ },
07120aa5
ACM		 1396 .arg_parm = { [0] = &strarray__socket_families, /* family */ }, },
1397 { .name = "socketpair", .errmsg = true,
1398 .arg_scnprintf = { [0] = SCA_STRARRAY, /* family */
1399 [1] = SCA_SK_TYPE, /* type */ },
e10bce81 1400 .arg_parm = { [0] = &strarray__socket_families, /* family */ }, },
090389b6
ACM		 1401 { .name = "stat", .errmsg = true, .alias = "newstat",
1402 .arg_scnprintf = { [0] = SCA_FILENAME, /* pathname */ }, },
34221118
ACM		 1403 { .name = "statfs", .errmsg = true,
1404 .arg_scnprintf = { [0] = SCA_FILENAME, /* pathname */ }, },
1405 { .name = "swapoff", .errmsg = true,
1406 .arg_scnprintf = { [0] = SCA_FILENAME, /* specialfile */ }, },
1407 { .name = "swapon", .errmsg = true,
1408 .arg_scnprintf = { [0] = SCA_FILENAME, /* specialfile */ }, },
75b757ca 1409 { .name = "symlinkat", .errmsg = true,
48000a1a 1410 .arg_scnprintf = { [0] = SCA_FDAT, /* dfd */ }, },
8bad5b0a
ACM		 1411 { .name = "tgkill", .errmsg = true,
1412 .arg_scnprintf = { [2] = SCA_SIGNUM, /* sig */ }, },
1413 { .name = "tkill", .errmsg = true,
1414 .arg_scnprintf = { [1] = SCA_SIGNUM, /* sig */ }, },
34221118
ACM		 1415 { .name = "truncate", .errmsg = true,
1416 .arg_scnprintf = { [0] = SCA_FILENAME, /* path */ }, },
e5959683 1417 { .name = "uname", .errmsg = true, .alias = "newuname", },
75b757ca 1418 { .name = "unlinkat", .errmsg = true,
34221118
ACM		 1419 .arg_scnprintf = { [0] = SCA_FDAT, /* dfd */
1420 [1] = SCA_FILENAME, /* pathname */ }, },
1421 { .name = "utime", .errmsg = true,
1422 .arg_scnprintf = { [0] = SCA_FILENAME, /* filename */ }, },
75b757ca 1423 { .name = "utimensat", .errmsg = true,
34221118
ACM		 1424 .arg_scnprintf = { [0] = SCA_FDAT, /* dirfd */
1425 [1] = SCA_FILENAME, /* filename */ }, },
1426 { .name = "utimes", .errmsg = true,
1427 .arg_scnprintf = { [0] = SCA_FILENAME, /* filename */ }, },
090389b6
ACM		 1428 { .name = "vmsplice", .errmsg = true,
1429 .arg_scnprintf = { [0] = SCA_FD, /* fd */ }, },
11c8e39f 1430 { .name = "wait4", .errpid = true,
7206b900 1431 .arg_scnprintf = { [2] = SCA_WAITID_OPTIONS, /* options */ }, },
11c8e39f 1432 { .name = "waitid", .errpid = true,
7206b900 1433 .arg_scnprintf = { [3] = SCA_WAITID_OPTIONS, /* options */ }, },
75b757ca 1434 { .name = "write", .errmsg = true,
48000a1a 1435 .arg_scnprintf = { [0] = SCA_FD, /* fd */ }, },
75b757ca 1436 { .name = "writev", .errmsg = true,
48000a1a 1437 .arg_scnprintf = { [0] = SCA_FD, /* fd */ }, },
514f1c67
ACM		 1438};
1439
1440static int syscall_fmt__cmp(const void *name, const void *fmtp)
1441{
1442 const struct syscall_fmt *fmt = fmtp;
1443 return strcmp(name, fmt->name);
1444}
1445
1446static struct syscall_fmt *syscall_fmt__find(const char *name)
1447{
1448 const int nmemb = ARRAY_SIZE(syscall_fmts);
1449 return bsearch(name, syscall_fmts, nmemb, sizeof(struct syscall_fmt), syscall_fmt__cmp);
1450}
1451
1452struct syscall {
1453 struct event_format *tp_format;
f208bd8d
ACM		 1454 int nr_args;
1455 struct format_field *args;
514f1c67 1456 const char *name;
5089f20e 1457 bool is_exit;
514f1c67 1458 struct syscall_fmt *fmt;
01533e97 1459 size_t (**arg_scnprintf)(char *bf, size_t size, struct syscall_arg *arg);
1f115cb7 1460 void **arg_parm;
514f1c67
ACM		 1461};
1462
60c907ab
ACM		 1463static size_t fprintf_duration(unsigned long t, FILE *fp)
1464{
1465 double duration = (double)t / NSEC_PER_MSEC;
1466 size_t printed = fprintf(fp, "(");
1467
1468 if (duration >= 1.0)
1469 printed += color_fprintf(fp, PERF_COLOR_RED, "%6.3f ms", duration);
1470 else if (duration >= 0.01)
1471 printed += color_fprintf(fp, PERF_COLOR_YELLOW, "%6.3f ms", duration);
1472 else
1473 printed += color_fprintf(fp, PERF_COLOR_NORMAL, "%6.3f ms", duration);
c24ff998 1474 return printed + fprintf(fp, "): ");
60c907ab
ACM		 1475}
1476
f994592d
ACM		 1477/**
1478 * filename.ptr: The filename char pointer that will be vfs_getname'd
1479 * filename.entry_str_pos: Where to insert the string translated from
1480 * filename.ptr by the vfs_getname tracepoint/kprobe.
1481 */
752fde44
ACM		 1482struct thread_trace {
1483 u64 entry_time;
1484 u64 exit_time;
1485 bool entry_pending;
efd5745e 1486 unsigned long nr_events;
a2ea67d7 1487 unsigned long pfmaj, pfmin;
752fde44 1488 char *entry_str;
1302d88e 1489 double runtime_ms;
f994592d
ACM		 1490 struct {
1491 unsigned long ptr;
7f4f8001
ACM		 1492 short int entry_str_pos;
1493 bool pending_open;
1494 unsigned int namelen;
1495 char *name;
f994592d 1496 } filename;
75b757ca
ACM		 1497 struct {
1498 int max;
1499 char **table;
1500 } paths;
bf2575c1
DA		 1501
1502 struct intlist *syscall_stats;
752fde44
ACM		 1503};
1504
1505static struct thread_trace *thread_trace__new(void)
1506{
75b757ca
ACM		 1507 struct thread_trace *ttrace = zalloc(sizeof(struct thread_trace));
1508
1509 if (ttrace)
1510 ttrace->paths.max = -1;
1511
bf2575c1
DA		 1512 ttrace->syscall_stats = intlist__new(NULL);
1513
75b757ca 1514 return ttrace;
752fde44
ACM		 1515}
1516
c24ff998 1517static struct thread_trace *thread__trace(struct thread *thread, FILE *fp)
752fde44 1518{
efd5745e
ACM		 1519 struct thread_trace *ttrace;
1520
752fde44
ACM		 1521 if (thread == NULL)
1522 goto fail;
1523
89dceb22
NK		 1524 if (thread__priv(thread) == NULL)
1525 thread__set_priv(thread, thread_trace__new());
48000a1a 1526
89dceb22 1527 if (thread__priv(thread) == NULL)
752fde44
ACM		 1528 goto fail;
1529
89dceb22 1530 ttrace = thread__priv(thread);
efd5745e
ACM		 1531 ++ttrace->nr_events;
1532
1533 return ttrace;
752fde44 1534fail:
c24ff998 1535 color_fprintf(fp, PERF_COLOR_RED,
752fde44
ACM		 1536 "WARNING: not enough memory, dropping samples!\n");
1537 return NULL;
1538}
1539
598d02c5
SF		 1540#define TRACE_PFMAJ (1 << 0)
1541#define TRACE_PFMIN (1 << 1)
1542
e4d44e83
ACM		 1543static const size_t trace__entry_str_size = 2048;
1544
97119f37 1545static int trace__set_fd_pathname(struct thread *thread, int fd, const char *pathname)
75b757ca 1546{
89dceb22 1547 struct thread_trace *ttrace = thread__priv(thread);
75b757ca
ACM		 1548
1549 if (fd > ttrace->paths.max) {
1550 char **npath = realloc(ttrace->paths.table, (fd + 1) * sizeof(char *));
1551
1552 if (npath == NULL)
1553 return -1;
1554
1555 if (ttrace->paths.max != -1) {
1556 memset(npath + ttrace->paths.max + 1, 0,
1557 (fd - ttrace->paths.max) * sizeof(char *));
1558 } else {
1559 memset(npath, 0, (fd + 1) * sizeof(char *));
1560 }
1561
1562 ttrace->paths.table = npath;
1563 ttrace->paths.max = fd;
1564 }
1565
1566 ttrace->paths.table[fd] = strdup(pathname);
1567
1568 return ttrace->paths.table[fd] != NULL ? 0 : -1;
1569}
1570
97119f37
ACM		 1571static int thread__read_fd_path(struct thread *thread, int fd)
1572{
1573 char linkname[PATH_MAX], pathname[PATH_MAX];
1574 struct stat st;
1575 int ret;
1576
1577 if (thread->pid_ == thread->tid) {
1578 scnprintf(linkname, sizeof(linkname),
1579 "/proc/%d/fd/%d", thread->pid_, fd);
1580 } else {
1581 scnprintf(linkname, sizeof(linkname),
1582 "/proc/%d/task/%d/fd/%d", thread->pid_, thread->tid, fd);
1583 }
1584
1585 if (lstat(linkname, &st) < 0 || st.st_size + 1 > (off_t)sizeof(pathname))
1586 return -1;
1587
1588 ret = readlink(linkname, pathname, sizeof(pathname));
1589
1590 if (ret < 0 || ret > st.st_size)
1591 return -1;
1592
1593 pathname[ret] = '\0';
1594 return trace__set_fd_pathname(thread, fd, pathname);
1595}
1596
c522739d
ACM		 1597static const char *thread__fd_path(struct thread *thread, int fd,
1598 struct trace *trace)
75b757ca 1599{
89dceb22 1600 struct thread_trace *ttrace = thread__priv(thread);
75b757ca
ACM		 1601
1602 if (ttrace == NULL)
1603 return NULL;
1604
1605 if (fd < 0)
1606 return NULL;
1607
cdcd1e6b 1608 if ((fd > ttrace->paths.max || ttrace->paths.table[fd] == NULL)) {
c522739d
ACM		 1609 if (!trace->live)
1610 return NULL;
1611 ++trace->stats.proc_getname;
cdcd1e6b 1612 if (thread__read_fd_path(thread, fd))
c522739d
ACM		 1613 return NULL;
1614 }
75b757ca
ACM		 1615
1616 return ttrace->paths.table[fd];
1617}
1618
1619static size_t syscall_arg__scnprintf_fd(char *bf, size_t size,
1620 struct syscall_arg *arg)
1621{
1622 int fd = arg->val;
1623 size_t printed = scnprintf(bf, size, "%d", fd);
c522739d 1624 const char *path = thread__fd_path(arg->thread, fd, arg->trace);
75b757ca
ACM		 1625
1626 if (path)
1627 printed += scnprintf(bf + printed, size - printed, "<%s>", path);
1628
1629 return printed;
1630}
1631
1632static size_t syscall_arg__scnprintf_close_fd(char *bf, size_t size,
1633 struct syscall_arg *arg)
1634{
1635 int fd = arg->val;
1636 size_t printed = syscall_arg__scnprintf_fd(bf, size, arg);
89dceb22 1637 struct thread_trace *ttrace = thread__priv(arg->thread);
75b757ca 1638
04662523
ACM		 1639 if (ttrace && fd >= 0 && fd <= ttrace->paths.max)
1640 zfree(&ttrace->paths.table[fd]);
75b757ca
ACM		 1641
1642 return printed;
1643}
1644
f994592d
ACM		 1645static void thread__set_filename_pos(struct thread *thread, const char *bf,
1646 unsigned long ptr)
1647{
1648 struct thread_trace *ttrace = thread__priv(thread);
1649
1650 ttrace->filename.ptr = ptr;
1651 ttrace->filename.entry_str_pos = bf - ttrace->entry_str;
1652}
1653
1654static size_t syscall_arg__scnprintf_filename(char *bf, size_t size,
1655 struct syscall_arg *arg)
1656{
1657 unsigned long ptr = arg->val;
1658
1659 if (!arg->trace->vfs_getname)
1660 return scnprintf(bf, size, "%#x", ptr);
1661
1662 thread__set_filename_pos(arg->thread, bf, ptr);
1663 return 0;
1664}
1665
ae9ed035
ACM		 1666static bool trace__filter_duration(struct trace *trace, double t)
1667{
1668 return t < (trace->duration_filter * NSEC_PER_MSEC);
1669}
1670
752fde44
ACM		 1671static size_t trace__fprintf_tstamp(struct trace *trace, u64 tstamp, FILE *fp)
1672{
1673 double ts = (double)(tstamp - trace->base_time) / NSEC_PER_MSEC;
1674
60c907ab 1675 return fprintf(fp, "%10.3f ", ts);
752fde44
ACM		 1676}
1677
f15eb531 1678static bool done = false;
ba209f85 1679static bool interrupted = false;
f15eb531 1680
ba209f85 1681static void sig_handler(int sig)
f15eb531
NK		 1682{
1683 done = true;
ba209f85 1684 interrupted = sig == SIGINT;
f15eb531
NK		 1685}
1686
752fde44 1687static size_t trace__fprintf_entry_head(struct trace *trace, struct thread *thread,
60c907ab 1688 u64 duration, u64 tstamp, FILE *fp)
752fde44
ACM		 1689{
1690 size_t printed = trace__fprintf_tstamp(trace, tstamp, fp);
60c907ab 1691 printed += fprintf_duration(duration, fp);
752fde44 1692
50c95cbd
ACM		 1693 if (trace->multiple_threads) {
1694 if (trace->show_comm)
1902efe7 1695 printed += fprintf(fp, "%.14s/", thread__comm_str(thread));
38051234 1696 printed += fprintf(fp, "%d ", thread->tid);
50c95cbd 1697 }
752fde44
ACM		 1698
1699 return printed;
1700}
1701
c24ff998 1702static int trace__process_event(struct trace *trace, struct machine *machine,
162f0bef 1703 union perf_event *event, struct perf_sample *sample)
752fde44
ACM		 1704{
1705 int ret = 0;
1706
1707 switch (event->header.type) {
1708 case PERF_RECORD_LOST:
c24ff998 1709 color_fprintf(trace->output, PERF_COLOR_RED,
752fde44 1710 "LOST %" PRIu64 " events!\n", event->lost.lost);
162f0bef 1711 ret = machine__process_lost_event(machine, event, sample);
3ed5ca2e 1712 break;
752fde44 1713 default:
162f0bef 1714 ret = machine__process_event(machine, event, sample);
752fde44
ACM		 1715 break;
1716 }
1717
1718 return ret;
1719}
1720
c24ff998 1721static int trace__tool_process(struct perf_tool *tool,
752fde44 1722 union perf_event *event,
162f0bef 1723 struct perf_sample *sample,
752fde44
ACM		 1724 struct machine *machine)
1725{
c24ff998 1726 struct trace *trace = container_of(tool, struct trace, tool);
162f0bef 1727 return trace__process_event(trace, machine, event, sample);
752fde44
ACM		 1728}
1729
1730static int trace__symbols_init(struct trace *trace, struct perf_evlist *evlist)
1731{
0a7e6d1b 1732 int err = symbol__init(NULL);
752fde44
ACM		 1733
1734 if (err)
1735 return err;
1736
8fb598e5
DA		 1737 trace->host = machine__new_host();
1738 if (trace->host == NULL)
1739 return -ENOMEM;
752fde44 1740
959c2199 1741 if (trace_event__register_resolver(trace->host, machine__resolve_kernel_addr) < 0)
706c3da4
ACM		 1742 return -errno;
1743
a33fbd56 1744 err = __machine__synthesize_threads(trace->host, &trace->tool, &trace->opts.target,
9d9cad76
KL		 1745 evlist->threads, trace__tool_process, false,
1746 trace->opts.proc_map_timeout);
752fde44
ACM		 1747 if (err)
1748 symbol__exit();
1749
1750 return err;
1751}
1752
13d4ff3e
ACM		 1753static int syscall__set_arg_fmts(struct syscall *sc)
1754{
1755 struct format_field *field;
1756 int idx = 0;
1757
f208bd8d 1758 sc->arg_scnprintf = calloc(sc->nr_args, sizeof(void *));
13d4ff3e
ACM		 1759 if (sc->arg_scnprintf == NULL)
1760 return -1;
1761
1f115cb7
ACM		 1762 if (sc->fmt)
1763 sc->arg_parm = sc->fmt->arg_parm;
1764
f208bd8d 1765 for (field = sc->args; field; field = field->next) {
beccb2b5
ACM		 1766 if (sc->fmt && sc->fmt->arg_scnprintf[idx])
1767 sc->arg_scnprintf[idx] = sc->fmt->arg_scnprintf[idx];
1768 else if (field->flags & FIELD_IS_POINTER)
13d4ff3e 1769 sc->arg_scnprintf[idx] = syscall_arg__scnprintf_hex;
d1d438a3
ACM		 1770 else if (strcmp(field->type, "pid_t") == 0)
1771 sc->arg_scnprintf[idx] = SCA_PID;
ba2f22cf
ACM		 1772 else if (strcmp(field->type, "umode_t") == 0)
1773 sc->arg_scnprintf[idx] = SCA_MODE_T;
13d4ff3e
ACM		 1774 ++idx;
1775 }
1776
1777 return 0;
1778}
1779
514f1c67
ACM		 1780static int trace__read_syscall_info(struct trace *trace, int id)
1781{
1782 char tp_name[128];
1783 struct syscall *sc;
fd0db102 1784 const char *name = syscalltbl__name(trace->sctbl, id);
3a531260
ACM		 1785
1786 if (name == NULL)
1787 return -1;
514f1c67
ACM		 1788
1789 if (id > trace->syscalls.max) {
1790 struct syscall *nsyscalls = realloc(trace->syscalls.table, (id + 1) * sizeof(*sc));
1791
1792 if (nsyscalls == NULL)
1793 return -1;
1794
1795 if (trace->syscalls.max != -1) {
1796 memset(nsyscalls + trace->syscalls.max + 1, 0,
1797 (id - trace->syscalls.max) * sizeof(*sc));
1798 } else {
1799 memset(nsyscalls, 0, (id + 1) * sizeof(*sc));
1800 }
1801
1802 trace->syscalls.table = nsyscalls;
1803 trace->syscalls.max = id;
1804 }
1805
1806 sc = trace->syscalls.table + id;
3a531260 1807 sc->name = name;
2ae3a312 1808
3a531260 1809 sc->fmt = syscall_fmt__find(sc->name);
514f1c67 1810
aec1930b 1811 snprintf(tp_name, sizeof(tp_name), "sys_enter_%s", sc->name);
97978b3e 1812 sc->tp_format = trace_event__tp_format("syscalls", tp_name);
aec1930b 1813
8dd2a131 1814 if (IS_ERR(sc->tp_format) && sc->fmt && sc->fmt->alias) {
aec1930b 1815 snprintf(tp_name, sizeof(tp_name), "sys_enter_%s", sc->fmt->alias);
97978b3e 1816 sc->tp_format = trace_event__tp_format("syscalls", tp_name);
aec1930b 1817 }
514f1c67 1818
8dd2a131 1819 if (IS_ERR(sc->tp_format))
13d4ff3e
ACM		 1820 return -1;
1821
f208bd8d
ACM		 1822 sc->args = sc->tp_format->format.fields;
1823 sc->nr_args = sc->tp_format->format.nr_fields;
c42de706
TS		 1824 /*
1825 * We need to check and discard the first variable '__syscall_nr'
1826 * or 'nr' that mean the syscall number. It is needless here.
1827 * So drop '__syscall_nr' or 'nr' field but does not exist on older kernels.
1828 */
1829 if (sc->args && (!strcmp(sc->args->name, "__syscall_nr") || !strcmp(sc->args->name, "nr"))) {
f208bd8d
ACM		 1830 sc->args = sc->args->next;
1831 --sc->nr_args;
1832 }
1833
5089f20e
ACM		 1834 sc->is_exit = !strcmp(name, "exit_group") || !strcmp(name, "exit");
1835
13d4ff3e 1836 return syscall__set_arg_fmts(sc);
514f1c67
ACM		 1837}
1838
d0cc439b
ACM		 1839static int trace__validate_ev_qualifier(struct trace *trace)
1840{
8b3ce757 1841 int err = 0, i;
d0cc439b
ACM		 1842 struct str_node *pos;
1843
8b3ce757
ACM		 1844 trace->ev_qualifier_ids.nr = strlist__nr_entries(trace->ev_qualifier);
1845 trace->ev_qualifier_ids.entries = malloc(trace->ev_qualifier_ids.nr *
1846 sizeof(trace->ev_qualifier_ids.entries[0]));
1847
1848 if (trace->ev_qualifier_ids.entries == NULL) {
1849 fputs("Error:\tNot enough memory for allocating events qualifier ids\n",
1850 trace->output);
1851 err = -EINVAL;
1852 goto out;
1853 }
1854
1855 i = 0;
1856
d0cc439b
ACM		 1857 strlist__for_each(pos, trace->ev_qualifier) {
1858 const char *sc = pos->s;
fd0db102 1859 int id = syscalltbl__id(trace->sctbl, sc);
d0cc439b 1860
8b3ce757 1861 if (id < 0) {
d0cc439b
ACM		 1862 if (err == 0) {
1863 fputs("Error:\tInvalid syscall ", trace->output);
1864 err = -EINVAL;
1865 } else {
1866 fputs(", ", trace->output);
1867 }
1868
1869 fputs(sc, trace->output);
1870 }
8b3ce757
ACM		 1871
1872 trace->ev_qualifier_ids.entries[i++] = id;
d0cc439b
ACM		 1873 }
1874
1875 if (err < 0) {
1876 fputs("\nHint:\ttry 'perf list syscalls:sys_enter_*'"
1877 "\nHint:\tand: 'man syscalls'\n", trace->output);
8b3ce757
ACM		 1878 zfree(&trace->ev_qualifier_ids.entries);
1879 trace->ev_qualifier_ids.nr = 0;
d0cc439b 1880 }
8b3ce757 1881out:
d0cc439b
ACM		 1882 return err;
1883}
1884
55d43bca
DA		 1885/*
1886 * args is to be interpreted as a series of longs but we need to handle
1887 * 8-byte unaligned accesses. args points to raw_data within the event
1888 * and raw_data is guaranteed to be 8-byte unaligned because it is
1889 * preceded by raw_size which is a u32. So we need to copy args to a temp
1890 * variable to read it. Most notably this avoids extended load instructions
1891 * on unaligned addresses
1892 */
1893
752fde44 1894static size_t syscall__scnprintf_args(struct syscall *sc, char *bf, size_t size,
55d43bca 1895 unsigned char *args, struct trace *trace,
75b757ca 1896 struct thread *thread)
514f1c67 1897{
514f1c67 1898 size_t printed = 0;
55d43bca
DA		 1899 unsigned char *p;
1900 unsigned long val;
514f1c67 1901
f208bd8d 1902 if (sc->args != NULL) {
514f1c67 1903 struct format_field *field;
01533e97
ACM		 1904 u8 bit = 1;
1905 struct syscall_arg arg = {
75b757ca
ACM		 1906 .idx = 0,
1907 .mask = 0,
1908 .trace = trace,
1909 .thread = thread,
01533e97 1910 };
6e7eeb51 1911
f208bd8d 1912 for (field = sc->args; field;
01533e97
ACM		 1913 field = field->next, ++arg.idx, bit <<= 1) {
1914 if (arg.mask & bit)
6e7eeb51 1915 continue;
55d43bca
DA		 1916
1917 /* special care for unaligned accesses */
1918 p = args + sizeof(unsigned long) * arg.idx;
1919 memcpy(&val, p, sizeof(val));
1920
4aa58232
ACM		 1921 /*
1922 * Suppress this argument if its value is zero and
1923 * and we don't have a string associated in an
1924 * strarray for it.
1925 */
55d43bca 1926 if (val == 0 &&
4aa58232
ACM		 1927 !(sc->arg_scnprintf &&
1928 sc->arg_scnprintf[arg.idx] == SCA_STRARRAY &&
1929 sc->arg_parm[arg.idx]))
22ae5cf1
ACM		 1930 continue;
1931
752fde44 1932 printed += scnprintf(bf + printed, size - printed,
13d4ff3e 1933 "%s%s: ", printed ? ", " : "", field->name);
01533e97 1934 if (sc->arg_scnprintf && sc->arg_scnprintf[arg.idx]) {
55d43bca 1935 arg.val = val;
1f115cb7
ACM		 1936 if (sc->arg_parm)
1937 arg.parm = sc->arg_parm[arg.idx];
01533e97
ACM		 1938 printed += sc->arg_scnprintf[arg.idx](bf + printed,
1939 size - printed, &arg);
6e7eeb51 1940 } else {
13d4ff3e 1941 printed += scnprintf(bf + printed, size - printed,
55d43bca 1942 "%ld", val);
6e7eeb51 1943 }
514f1c67
ACM		 1944 }
1945 } else {
01533e97
ACM		 1946 int i = 0;
1947
514f1c67 1948 while (i < 6) {
55d43bca
DA		 1949 /* special care for unaligned accesses */
1950 p = args + sizeof(unsigned long) * i;
1951 memcpy(&val, p, sizeof(val));
752fde44
ACM		 1952 printed += scnprintf(bf + printed, size - printed,
1953 "%sarg%d: %ld",
55d43bca 1954 printed ? ", " : "", i, val);
514f1c67
ACM		 1955 ++i;
1956 }
1957 }
1958
1959 return printed;
1960}
1961
ba3d7dee 1962typedef int (*tracepoint_handler)(struct trace *trace, struct perf_evsel *evsel,
0c82adcf 1963 union perf_event *event,
ba3d7dee
ACM		 1964 struct perf_sample *sample);
1965
1966static struct syscall *trace__syscall_info(struct trace *trace,
bf2575c1 1967 struct perf_evsel *evsel, int id)
ba3d7dee 1968{
ba3d7dee
ACM		 1969
1970 if (id < 0) {
adaa18bf
ACM		 1971
1972 /*
1973 * XXX: Noticed on x86_64, reproduced as far back as 3.0.36, haven't tried
1974 * before that, leaving at a higher verbosity level till that is
1975 * explained. Reproduced with plain ftrace with:
1976 *
1977 * echo 1 > /t/events/raw_syscalls/sys_exit/enable
1978 * grep "NR -1 " /t/trace_pipe
1979 *
1980 * After generating some load on the machine.
1981 */
1982 if (verbose > 1) {
1983 static u64 n;
1984 fprintf(trace->output, "Invalid syscall %d id, skipping (%s, %" PRIu64 ") ...\n",
1985 id, perf_evsel__name(evsel), ++n);
1986 }
ba3d7dee
ACM		 1987 return NULL;
1988 }
1989
1990 if ((id > trace->syscalls.max || trace->syscalls.table[id].name == NULL) &&
1991 trace__read_syscall_info(trace, id))
1992 goto out_cant_read;
1993
1994 if ((id > trace->syscalls.max || trace->syscalls.table[id].name == NULL))
1995 goto out_cant_read;
1996
1997 return &trace->syscalls.table[id];
1998
1999out_cant_read:
7c304ee0
ACM		 2000 if (verbose) {
2001 fprintf(trace->output, "Problems reading syscall %d", id);
2002 if (id <= trace->syscalls.max && trace->syscalls.table[id].name != NULL)
2003 fprintf(trace->output, "(%s)", trace->syscalls.table[id].name);
2004 fputs(" information\n", trace->output);
2005 }
ba3d7dee
ACM		 2006 return NULL;
2007}
2008
bf2575c1
DA		 2009static void thread__update_stats(struct thread_trace *ttrace,
2010 int id, struct perf_sample *sample)
2011{
2012 struct int_node *inode;
2013 struct stats *stats;
2014 u64 duration = 0;
2015
2016 inode = intlist__findnew(ttrace->syscall_stats, id);
2017 if (inode == NULL)
2018 return;
2019
2020 stats = inode->priv;
2021 if (stats == NULL) {
2022 stats = malloc(sizeof(struct stats));
2023 if (stats == NULL)
2024 return;
2025 init_stats(stats);
2026 inode->priv = stats;
2027 }
2028
2029 if (ttrace->entry_time && sample->time > ttrace->entry_time)
2030 duration = sample->time - ttrace->entry_time;
2031
2032 update_stats(stats, duration);
2033}
2034
e596663e
ACM		 2035static int trace__printf_interrupted_entry(struct trace *trace, struct perf_sample *sample)
2036{
2037 struct thread_trace *ttrace;
2038 u64 duration;
2039 size_t printed;
2040
2041 if (trace->current == NULL)
2042 return 0;
2043
2044 ttrace = thread__priv(trace->current);
2045
2046 if (!ttrace->entry_pending)
2047 return 0;
2048
2049 duration = sample->time - ttrace->entry_time;
2050
2051 printed = trace__fprintf_entry_head(trace, trace->current, duration, sample->time, trace->output);
2052 printed += fprintf(trace->output, "%-70s) ...\n", ttrace->entry_str);
2053 ttrace->entry_pending = false;
2054
2055 return printed;
2056}
2057
ba3d7dee 2058static int trace__sys_enter(struct trace *trace, struct perf_evsel *evsel,
0c82adcf 2059 union perf_event *event __maybe_unused,
ba3d7dee
ACM		 2060 struct perf_sample *sample)
2061{
752fde44 2062 char *msg;
ba3d7dee 2063 void *args;
752fde44 2064 size_t printed = 0;
2ae3a312 2065 struct thread *thread;
b91fc39f 2066 int id = perf_evsel__sc_tp_uint(evsel, id, sample), err = -1;
bf2575c1 2067 struct syscall *sc = trace__syscall_info(trace, evsel, id);
2ae3a312
ACM		 2068 struct thread_trace *ttrace;
2069
2070 if (sc == NULL)
2071 return -1;
ba3d7dee 2072
8fb598e5 2073 thread = machine__findnew_thread(trace->host, sample->pid, sample->tid);
c24ff998 2074 ttrace = thread__trace(thread, trace->output);
2ae3a312 2075 if (ttrace == NULL)
b91fc39f 2076 goto out_put;
ba3d7dee 2077
77170988 2078 args = perf_evsel__sc_tp_ptr(evsel, args, sample);
752fde44
ACM		 2079
2080 if (ttrace->entry_str == NULL) {
e4d44e83 2081 ttrace->entry_str = malloc(trace__entry_str_size);
752fde44 2082 if (!ttrace->entry_str)
b91fc39f 2083 goto out_put;
752fde44
ACM		 2084 }
2085
13f22a2d 2086 if (!trace->summary_only)
6ebad5c1 2087 trace__printf_interrupted_entry(trace, sample);
e596663e 2088
752fde44
ACM		 2089 ttrace->entry_time = sample->time;
2090 msg = ttrace->entry_str;
e4d44e83 2091 printed += scnprintf(msg + printed, trace__entry_str_size - printed, "%s(", sc->name);
752fde44 2092
e4d44e83 2093 printed += syscall__scnprintf_args(sc, msg + printed, trace__entry_str_size - printed,
75b757ca 2094 args, trace, thread);
752fde44 2095
5089f20e 2096 if (sc->is_exit) {
fd2eabaf 2097 if (!trace->duration_filter && !trace->summary_only) {
c24ff998
ACM		 2098 trace__fprintf_entry_head(trace, thread, 1, sample->time, trace->output);
2099 fprintf(trace->output, "%-70s\n", ttrace->entry_str);
ae9ed035 2100 }
7f4f8001 2101 } else {
752fde44 2102 ttrace->entry_pending = true;
7f4f8001
ACM		 2103 /* See trace__vfs_getname & trace__sys_exit */
2104 ttrace->filename.pending_open = false;
2105 }
ba3d7dee 2106
f3b623b8
ACM		 2107 if (trace->current != thread) {
2108 thread__put(trace->current);
2109 trace->current = thread__get(thread);
2110 }
b91fc39f
ACM		 2111 err = 0;
2112out_put:
2113 thread__put(thread);
2114 return err;
ba3d7dee
ACM		 2115}
2116
202ff968
ACM		 2117static int trace__fprintf_callchain(struct trace *trace, struct perf_evsel *evsel,
2118 struct perf_sample *sample)
2119{
2120 struct addr_location al;
2121 /* TODO: user-configurable print_opts */
e20ab86e
ACM		 2122 const unsigned int print_opts = EVSEL__PRINT_SYM |
2123 EVSEL__PRINT_DSO |
2124 EVSEL__PRINT_UNKNOWN_AS_ADDR;
202ff968
ACM		 2125
2126 if (sample->callchain == NULL)
2127 return 0;
2128
2129 if (machine__resolve(trace->host, &al, sample) < 0) {
2130 pr_err("Problem processing %s callchain, skipping...\n",
2131 perf_evsel__name(evsel));
2132 return 0;
2133 }
2134
2135 return perf_evsel__fprintf_callchain(evsel, sample, &al, 38, print_opts,
2136 scripting_max_stack, trace->output);
2137}
2138
ba3d7dee 2139static int trace__sys_exit(struct trace *trace, struct perf_evsel *evsel,
0c82adcf 2140 union perf_event *event __maybe_unused,
ba3d7dee
ACM		 2141 struct perf_sample *sample)
2142{
2c82c3ad 2143 long ret;
60c907ab 2144 u64 duration = 0;
2ae3a312 2145 struct thread *thread;
b91fc39f 2146 int id = perf_evsel__sc_tp_uint(evsel, id, sample), err = -1;
bf2575c1 2147 struct syscall *sc = trace__syscall_info(trace, evsel, id);
2ae3a312
ACM		 2148 struct thread_trace *ttrace;
2149
2150 if (sc == NULL)
2151 return -1;
ba3d7dee 2152
8fb598e5 2153 thread = machine__findnew_thread(trace->host, sample->pid, sample->tid);
c24ff998 2154 ttrace = thread__trace(thread, trace->output);
2ae3a312 2155 if (ttrace == NULL)
b91fc39f 2156 goto out_put;
ba3d7dee 2157
bf2575c1
DA		 2158 if (trace->summary)
2159 thread__update_stats(ttrace, id, sample);
2160
77170988 2161 ret = perf_evsel__sc_tp_uint(evsel, ret, sample);
ba3d7dee 2162
fd0db102 2163 if (id == trace->open_id && ret >= 0 && ttrace->filename.pending_open) {
7f4f8001
ACM		 2164 trace__set_fd_pathname(thread, ret, ttrace->filename.name);
2165 ttrace->filename.pending_open = false;
c522739d
ACM		 2166 ++trace->stats.vfs_getname;
2167 }
2168
752fde44
ACM		 2169 ttrace->exit_time = sample->time;
2170
ae9ed035 2171 if (ttrace->entry_time) {
60c907ab 2172 duration = sample->time - ttrace->entry_time;
ae9ed035
ACM		 2173 if (trace__filter_duration(trace, duration))
2174 goto out;
2175 } else if (trace->duration_filter)
2176 goto out;
60c907ab 2177
fd2eabaf
DA		 2178 if (trace->summary_only)
2179 goto out;
2180
c24ff998 2181 trace__fprintf_entry_head(trace, thread, duration, sample->time, trace->output);
752fde44
ACM		 2182
2183 if (ttrace->entry_pending) {
c24ff998 2184 fprintf(trace->output, "%-70s", ttrace->entry_str);
752fde44 2185 } else {
c24ff998
ACM		 2186 fprintf(trace->output, " ... [");
2187 color_fprintf(trace->output, PERF_COLOR_YELLOW, "continued");
2188 fprintf(trace->output, "]: %s()", sc->name);
752fde44
ACM		 2189 }
2190
da3c9a44
ACM		 2191 if (sc->fmt == NULL) {
2192signed_print:
2c82c3ad 2193 fprintf(trace->output, ") = %ld", ret);
11c8e39f 2194 } else if (ret < 0 && (sc->fmt->errmsg || sc->fmt->errpid)) {
942a91ed 2195 char bf[STRERR_BUFSIZE];
ba3d7dee
ACM		 2196 const char *emsg = strerror_r(-ret, bf, sizeof(bf)),
2197 *e = audit_errno_to_name(-ret);
2198
c24ff998 2199 fprintf(trace->output, ") = -1 %s %s", e, emsg);
da3c9a44 2200 } else if (ret == 0 && sc->fmt->timeout)
c24ff998 2201 fprintf(trace->output, ") = 0 Timeout");
04b34729 2202 else if (sc->fmt->hexret)
2c82c3ad 2203 fprintf(trace->output, ") = %#lx", ret);
11c8e39f
ACM		 2204 else if (sc->fmt->errpid) {
2205 struct thread *child = machine__find_thread(trace->host, ret, ret);
2206
2207 if (child != NULL) {
2208 fprintf(trace->output, ") = %ld", ret);
2209 if (child->comm_set)
2210 fprintf(trace->output, " (%s)", thread__comm_str(child));
2211 thread__put(child);
2212 }
2213 } else
da3c9a44 2214 goto signed_print;
ba3d7dee 2215
c24ff998 2216 fputc('\n', trace->output);
566a0885 2217
202ff968 2218 trace__fprintf_callchain(trace, evsel, sample);
ae9ed035 2219out:
752fde44 2220 ttrace->entry_pending = false;
b91fc39f
ACM		 2221 err = 0;
2222out_put:
2223 thread__put(thread);
2224 return err;
ba3d7dee
ACM		 2225}
2226
c522739d 2227static int trace__vfs_getname(struct trace *trace, struct perf_evsel *evsel,
0c82adcf 2228 union perf_event *event __maybe_unused,
c522739d
ACM		 2229 struct perf_sample *sample)
2230{
f994592d
ACM		 2231 struct thread *thread = machine__findnew_thread(trace->host, sample->pid, sample->tid);
2232 struct thread_trace *ttrace;
2233 size_t filename_len, entry_str_len, to_move;
2234 ssize_t remaining_space;
2235 char *pos;
7f4f8001 2236 const char *filename = perf_evsel__rawptr(evsel, sample, "pathname");
f994592d
ACM		 2237
2238 if (!thread)
2239 goto out;
2240
2241 ttrace = thread__priv(thread);
2242 if (!ttrace)
2243 goto out;
2244
7f4f8001
ACM		 2245 filename_len = strlen(filename);
2246
2247 if (ttrace->filename.namelen < filename_len) {
2248 char *f = realloc(ttrace->filename.name, filename_len + 1);
2249
2250 if (f == NULL)
2251 goto out;
2252
2253 ttrace->filename.namelen = filename_len;
2254 ttrace->filename.name = f;
2255 }
2256
2257 strcpy(ttrace->filename.name, filename);
2258 ttrace->filename.pending_open = true;
2259
f994592d
ACM		 2260 if (!ttrace->filename.ptr)
2261 goto out;
2262
2263 entry_str_len = strlen(ttrace->entry_str);
2264 remaining_space = trace__entry_str_size - entry_str_len - 1; /* \0 */
2265 if (remaining_space <= 0)
2266 goto out;
2267
f994592d
ACM		 2268 if (filename_len > (size_t)remaining_space) {
2269 filename += filename_len - remaining_space;
2270 filename_len = remaining_space;
2271 }
2272
2273 to_move = entry_str_len - ttrace->filename.entry_str_pos + 1; /* \0 */
2274 pos = ttrace->entry_str + ttrace->filename.entry_str_pos;
2275 memmove(pos + filename_len, pos, to_move);
2276 memcpy(pos, filename, filename_len);
2277
2278 ttrace->filename.ptr = 0;
2279 ttrace->filename.entry_str_pos = 0;
2280out:
c522739d
ACM		 2281 return 0;
2282}
2283
1302d88e 2284static int trace__sched_stat_runtime(struct trace *trace, struct perf_evsel *evsel,
0c82adcf 2285 union perf_event *event __maybe_unused,
1302d88e
ACM		 2286 struct perf_sample *sample)
2287{
2288 u64 runtime = perf_evsel__intval(evsel, sample, "runtime");
2289 double runtime_ms = (double)runtime / NSEC_PER_MSEC;
8fb598e5 2290 struct thread *thread = machine__findnew_thread(trace->host,
314add6b
AH		 2291 sample->pid,
2292 sample->tid);
c24ff998 2293 struct thread_trace *ttrace = thread__trace(thread, trace->output);
1302d88e
ACM		 2294
2295 if (ttrace == NULL)
2296 goto out_dump;
2297
2298 ttrace->runtime_ms += runtime_ms;
2299 trace->runtime_ms += runtime_ms;
b91fc39f 2300 thread__put(thread);
1302d88e
ACM		 2301 return 0;
2302
2303out_dump:
c24ff998 2304 fprintf(trace->output, "%s: comm=%s,pid=%u,runtime=%" PRIu64 ",vruntime=%" PRIu64 ")\n",
1302d88e
ACM		 2305 evsel->name,
2306 perf_evsel__strval(evsel, sample, "comm"),
2307 (pid_t)perf_evsel__intval(evsel, sample, "pid"),
2308 runtime,
2309 perf_evsel__intval(evsel, sample, "vruntime"));
b91fc39f 2310 thread__put(thread);
1302d88e
ACM		 2311 return 0;
2312}
2313
1d6c9407
WN		 2314static void bpf_output__printer(enum binary_printer_ops op,
2315 unsigned int val, void *extra)
2316{
2317 FILE *output = extra;
2318 unsigned char ch = (unsigned char)val;
2319
2320 switch (op) {
2321 case BINARY_PRINT_CHAR_DATA:
2322 fprintf(output, "%c", isprint(ch) ? ch : '.');
2323 break;
2324 case BINARY_PRINT_DATA_BEGIN:
2325 case BINARY_PRINT_LINE_BEGIN:
2326 case BINARY_PRINT_ADDR:
2327 case BINARY_PRINT_NUM_DATA:
2328 case BINARY_PRINT_NUM_PAD:
2329 case BINARY_PRINT_SEP:
2330 case BINARY_PRINT_CHAR_PAD:
2331 case BINARY_PRINT_LINE_END:
2332 case BINARY_PRINT_DATA_END:
2333 default:
2334 break;
2335 }
2336}
2337
2338static void bpf_output__fprintf(struct trace *trace,
2339 struct perf_sample *sample)
2340{
2341 print_binary(sample->raw_data, sample->raw_size, 8,
2342 bpf_output__printer, trace->output);
2343}
2344
14a052df
ACM		 2345static int trace__event_handler(struct trace *trace, struct perf_evsel *evsel,
2346 union perf_event *event __maybe_unused,
2347 struct perf_sample *sample)
2348{
2349 trace__printf_interrupted_entry(trace, sample);
2350 trace__fprintf_tstamp(trace, sample->time, trace->output);
0808921a
ACM		 2351
2352 if (trace->trace_syscalls)
2353 fprintf(trace->output, "( ): ");
2354
2355 fprintf(trace->output, "%s:", evsel->name);
14a052df 2356
1d6c9407
WN		 2357 if (perf_evsel__is_bpf_output(evsel)) {
2358 bpf_output__fprintf(trace, sample);
2359 } else if (evsel->tp_format) {
14a052df
ACM		 2360 event_format__fprintf(evsel->tp_format, sample->cpu,
2361 sample->raw_data, sample->raw_size,
2362 trace->output);
2363 }
2364
2365 fprintf(trace->output, ")\n");
202ff968
ACM		 2366
2367 trace__fprintf_callchain(trace, evsel, sample);
2368
14a052df
ACM		 2369 return 0;
2370}
2371
598d02c5
SF		 2372static void print_location(FILE *f, struct perf_sample *sample,
2373 struct addr_location *al,
2374 bool print_dso, bool print_sym)
2375{
2376
2377 if ((verbose || print_dso) && al->map)
2378 fprintf(f, "%s@", al->map->dso->long_name);
2379
2380 if ((verbose || print_sym) && al->sym)
4414a3c5 2381 fprintf(f, "%s+0x%" PRIx64, al->sym->name,
598d02c5
SF		 2382 al->addr - al->sym->start);
2383 else if (al->map)
4414a3c5 2384 fprintf(f, "0x%" PRIx64, al->addr);
598d02c5 2385 else
4414a3c5 2386 fprintf(f, "0x%" PRIx64, sample->addr);
598d02c5
SF		 2387}
2388
2389static int trace__pgfault(struct trace *trace,
2390 struct perf_evsel *evsel,
473398a2 2391 union perf_event *event __maybe_unused,
598d02c5
SF		 2392 struct perf_sample *sample)
2393{
2394 struct thread *thread;
598d02c5
SF		 2395 struct addr_location al;
2396 char map_type = 'd';
a2ea67d7 2397 struct thread_trace *ttrace;
b91fc39f 2398 int err = -1;
598d02c5
SF		 2399
2400 thread = machine__findnew_thread(trace->host, sample->pid, sample->tid);
a2ea67d7
SF		 2401 ttrace = thread__trace(thread, trace->output);
2402 if (ttrace == NULL)
b91fc39f 2403 goto out_put;
a2ea67d7
SF		 2404
2405 if (evsel->attr.config == PERF_COUNT_SW_PAGE_FAULTS_MAJ)
2406 ttrace->pfmaj++;
2407 else
2408 ttrace->pfmin++;
2409
2410 if (trace->summary_only)
b91fc39f 2411 goto out;
598d02c5 2412
473398a2 2413 thread__find_addr_location(thread, sample->cpumode, MAP__FUNCTION,
598d02c5
SF		 2414 sample->ip, &al);
2415
2416 trace__fprintf_entry_head(trace, thread, 0, sample->time, trace->output);
2417
2418 fprintf(trace->output, "%sfault [",
2419 evsel->attr.config == PERF_COUNT_SW_PAGE_FAULTS_MAJ ?
2420 "maj" : "min");
2421
2422 print_location(trace->output, sample, &al, false, true);
2423
2424 fprintf(trace->output, "] => ");
2425
473398a2 2426 thread__find_addr_location(thread, sample->cpumode, MAP__VARIABLE,
598d02c5
SF		 2427 sample->addr, &al);
2428
2429 if (!al.map) {
473398a2 2430 thread__find_addr_location(thread, sample->cpumode,
598d02c5
SF		 2431 MAP__FUNCTION, sample->addr, &al);
2432
2433 if (al.map)
2434 map_type = 'x';
2435 else
2436 map_type = '?';
2437 }
2438
2439 print_location(trace->output, sample, &al, true, false);
2440
2441 fprintf(trace->output, " (%c%c)\n", map_type, al.level);
b91fc39f
ACM		 2442out:
2443 err = 0;
2444out_put:
2445 thread__put(thread);
2446 return err;
598d02c5
SF		 2447}
2448
bdc89661
DA		 2449static bool skip_sample(struct trace *trace, struct perf_sample *sample)
2450{
2451 if ((trace->pid_list && intlist__find(trace->pid_list, sample->pid)) ||
2452 (trace->tid_list && intlist__find(trace->tid_list, sample->tid)))
2453 return false;
2454
2455 if (trace->pid_list || trace->tid_list)
2456 return true;
2457
2458 return false;
2459}
2460
e6001980 2461static void trace__set_base_time(struct trace *trace,
8a07a809 2462 struct perf_evsel *evsel,
e6001980
ACM		 2463 struct perf_sample *sample)
2464{
8a07a809
ACM		 2465 /*
2466 * BPF events were not setting PERF_SAMPLE_TIME, so be more robust
2467 * and don't use sample->time unconditionally, we may end up having
2468 * some other event in the future without PERF_SAMPLE_TIME for good
2469 * reason, i.e. we may not be interested in its timestamps, just in
2470 * it taking place, picking some piece of information when it
2471 * appears in our event stream (vfs_getname comes to mind).
2472 */
2473 if (trace->base_time == 0 && !trace->full_time &&
2474 (evsel->attr.sample_type & PERF_SAMPLE_TIME))
e6001980
ACM		 2475 trace->base_time = sample->time;
2476}
2477
6810fc91 2478static int trace__process_sample(struct perf_tool *tool,
0c82adcf 2479 union perf_event *event,
6810fc91
DA		 2480 struct perf_sample *sample,
2481 struct perf_evsel *evsel,
2482 struct machine *machine __maybe_unused)
2483{
2484 struct trace *trace = container_of(tool, struct trace, tool);
2485 int err = 0;
2486
744a9719 2487 tracepoint_handler handler = evsel->handler;
6810fc91 2488
bdc89661
DA		 2489 if (skip_sample(trace, sample))
2490 return 0;
2491
e6001980 2492 trace__set_base_time(trace, evsel, sample);
6810fc91 2493
3160565f
DA		 2494 if (handler) {
2495 ++trace->nr_events;
0c82adcf 2496 handler(trace, evsel, event, sample);
3160565f 2497 }
6810fc91
DA		 2498
2499 return err;
2500}
2501
bdc89661
DA		 2502static int parse_target_str(struct trace *trace)
2503{
2504 if (trace->opts.target.pid) {
2505 trace->pid_list = intlist__new(trace->opts.target.pid);
2506 if (trace->pid_list == NULL) {
2507 pr_err("Error parsing process id string\n");
2508 return -EINVAL;
2509 }
2510 }
2511
2512 if (trace->opts.target.tid) {
2513 trace->tid_list = intlist__new(trace->opts.target.tid);
2514 if (trace->tid_list == NULL) {
2515 pr_err("Error parsing thread id string\n");
2516 return -EINVAL;
2517 }
2518 }
2519
2520 return 0;
2521}
2522
1e28fe0a 2523static int trace__record(struct trace *trace, int argc, const char **argv)
5e2485b1
DA		 2524{
2525 unsigned int rec_argc, i, j;
2526 const char **rec_argv;
2527 const char * const record_args[] = {
2528 "record",
2529 "-R",
2530 "-m", "1024",
2531 "-c", "1",
5e2485b1
DA		 2532 };
2533
1e28fe0a
SF		 2534 const char * const sc_args[] = { "-e", };
2535 unsigned int sc_args_nr = ARRAY_SIZE(sc_args);
2536 const char * const majpf_args[] = { "-e", "major-faults" };
2537 unsigned int majpf_args_nr = ARRAY_SIZE(majpf_args);
2538 const char * const minpf_args[] = { "-e", "minor-faults" };
2539 unsigned int minpf_args_nr = ARRAY_SIZE(minpf_args);
2540
9aca7f17 2541 /* +1 is for the event string below */
1e28fe0a
SF		 2542 rec_argc = ARRAY_SIZE(record_args) + sc_args_nr + 1 +
2543 majpf_args_nr + minpf_args_nr + argc;
5e2485b1
DA		 2544 rec_argv = calloc(rec_argc + 1, sizeof(char *));
2545
2546 if (rec_argv == NULL)
2547 return -ENOMEM;
2548
1e28fe0a 2549 j = 0;
5e2485b1 2550 for (i = 0; i < ARRAY_SIZE(record_args); i++)
1e28fe0a
SF		 2551 rec_argv[j++] = record_args[i];
2552
e281a960
SF		 2553 if (trace->trace_syscalls) {
2554 for (i = 0; i < sc_args_nr; i++)
2555 rec_argv[j++] = sc_args[i];
2556
2557 /* event string may be different for older kernels - e.g., RHEL6 */
2558 if (is_valid_tracepoint("raw_syscalls:sys_enter"))
2559 rec_argv[j++] = "raw_syscalls:sys_enter,raw_syscalls:sys_exit";
2560 else if (is_valid_tracepoint("syscalls:sys_enter"))
2561 rec_argv[j++] = "syscalls:sys_enter,syscalls:sys_exit";
2562 else {
2563 pr_err("Neither raw_syscalls nor syscalls events exist.\n");
2564 return -1;
2565 }
9aca7f17 2566 }
9aca7f17 2567
1e28fe0a
SF		 2568 if (trace->trace_pgfaults & TRACE_PFMAJ)
2569 for (i = 0; i < majpf_args_nr; i++)
2570 rec_argv[j++] = majpf_args[i];
2571
2572 if (trace->trace_pgfaults & TRACE_PFMIN)
2573 for (i = 0; i < minpf_args_nr; i++)
2574 rec_argv[j++] = minpf_args[i];
2575
2576 for (i = 0; i < (unsigned int)argc; i++)
2577 rec_argv[j++] = argv[i];
5e2485b1 2578
1e28fe0a 2579 return cmd_record(j, rec_argv, NULL);
5e2485b1
DA		 2580}
2581
bf2575c1
DA		 2582static size_t trace__fprintf_thread_summary(struct trace *trace, FILE *fp);
2583
08c98776 2584static bool perf_evlist__add_vfs_getname(struct perf_evlist *evlist)
c522739d 2585{
ef503831 2586 struct perf_evsel *evsel = perf_evsel__newtp("probe", "vfs_getname");
8dd2a131
JO		 2587
2588 if (IS_ERR(evsel))
08c98776 2589 return false;
c522739d
ACM		 2590
2591 if (perf_evsel__field(evsel, "pathname") == NULL) {
2592 perf_evsel__delete(evsel);
08c98776 2593 return false;
c522739d
ACM		 2594 }
2595
744a9719 2596 evsel->handler = trace__vfs_getname;
c522739d 2597 perf_evlist__add(evlist, evsel);
08c98776 2598 return true;
c522739d
ACM		 2599}
2600
598d02c5
SF		 2601static int perf_evlist__add_pgfault(struct perf_evlist *evlist,
2602 u64 config)
2603{
2604 struct perf_evsel *evsel;
2605 struct perf_event_attr attr = {
2606 .type = PERF_TYPE_SOFTWARE,
2607 .mmap_data = 1,
598d02c5
SF		 2608 };
2609
2610 attr.config = config;
0524798c 2611 attr.sample_period = 1;
598d02c5
SF		 2612
2613 event_attr_init(&attr);
2614
2615 evsel = perf_evsel__new(&attr);
2616 if (!evsel)
2617 return -ENOMEM;
2618
2619 evsel->handler = trace__pgfault;
2620 perf_evlist__add(evlist, evsel);
2621
2622 return 0;
2623}
2624
ddbb1b13
ACM		 2625static void trace__handle_event(struct trace *trace, union perf_event *event, struct perf_sample *sample)
2626{
2627 const u32 type = event->header.type;
2628 struct perf_evsel *evsel;
2629
ddbb1b13
ACM		 2630 if (type != PERF_RECORD_SAMPLE) {
2631 trace__process_event(trace, trace->host, event, sample);
2632 return;
2633 }
2634
2635 evsel = perf_evlist__id2evsel(trace->evlist, sample->id);
2636 if (evsel == NULL) {
2637 fprintf(trace->output, "Unknown tp ID %" PRIu64 ", skipping...\n", sample->id);
2638 return;
2639 }
2640
e6001980
ACM		 2641 trace__set_base_time(trace, evsel, sample);
2642
ddbb1b13
ACM		 2643 if (evsel->attr.type == PERF_TYPE_TRACEPOINT &&
2644 sample->raw_data == NULL) {
2645 fprintf(trace->output, "%s sample with no payload for tid: %d, cpu %d, raw_size=%d, skipping...\n",
2646 perf_evsel__name(evsel), sample->tid,
2647 sample->cpu, sample->raw_size);
2648 } else {
2649 tracepoint_handler handler = evsel->handler;
2650 handler(trace, evsel, event, sample);
2651 }
2652}
2653
c27366f0
ACM		 2654static int trace__add_syscall_newtp(struct trace *trace)
2655{
2656 int ret = -1;
2657 struct perf_evlist *evlist = trace->evlist;
2658 struct perf_evsel *sys_enter, *sys_exit;
2659
2660 sys_enter = perf_evsel__syscall_newtp("sys_enter", trace__sys_enter);
2661 if (sys_enter == NULL)
2662 goto out;
2663
2664 if (perf_evsel__init_sc_tp_ptr_field(sys_enter, args))
2665 goto out_delete_sys_enter;
2666
2667 sys_exit = perf_evsel__syscall_newtp("sys_exit", trace__sys_exit);
2668 if (sys_exit == NULL)
2669 goto out_delete_sys_enter;
2670
2671 if (perf_evsel__init_sc_tp_uint_field(sys_exit, ret))
2672 goto out_delete_sys_exit;
2673
2674 perf_evlist__add(evlist, sys_enter);
2675 perf_evlist__add(evlist, sys_exit);
2676
44621819
ACM		 2677 if (trace->opts.callgraph_set && !trace->kernel_syscallchains) {
2678 /*
2679 * We're interested only in the user space callchain
2680 * leading to the syscall, allow overriding that for
2681 * debugging reasons using --kernel_syscall_callchains
2682 */
2683 sys_exit->attr.exclude_callchain_kernel = 1;
2684 }
2685
8b3ce757
ACM		 2686 trace->syscalls.events.sys_enter = sys_enter;
2687 trace->syscalls.events.sys_exit = sys_exit;
c27366f0
ACM		 2688
2689 ret = 0;
2690out:
2691 return ret;
2692
2693out_delete_sys_exit:
2694 perf_evsel__delete_priv(sys_exit);
2695out_delete_sys_enter:
2696 perf_evsel__delete_priv(sys_enter);
2697 goto out;
2698}
2699
19867b61
ACM		 2700static int trace__set_ev_qualifier_filter(struct trace *trace)
2701{
2702 int err = -1;
2703 char *filter = asprintf_expr_inout_ints("id", !trace->not_ev_qualifier,
2704 trace->ev_qualifier_ids.nr,
2705 trace->ev_qualifier_ids.entries);
2706
2707 if (filter == NULL)
2708 goto out_enomem;
2709
2710 if (!perf_evsel__append_filter(trace->syscalls.events.sys_enter, "&&", filter))
2711 err = perf_evsel__append_filter(trace->syscalls.events.sys_exit, "&&", filter);
2712
2713 free(filter);
2714out:
2715 return err;
2716out_enomem:
2717 errno = ENOMEM;
2718 goto out;
2719}
c27366f0 2720
f15eb531 2721static int trace__run(struct trace *trace, int argc, const char **argv)
514f1c67 2722{
14a052df 2723 struct perf_evlist *evlist = trace->evlist;
94ad89bc 2724 struct perf_evsel *evsel;
efd5745e
ACM		 2725 int err = -1, i;
2726 unsigned long before;
f15eb531 2727 const bool forks = argc > 0;
46fb3c21 2728 bool draining = false;
514f1c67 2729
75b757ca
ACM		 2730 trace->live = true;
2731
c27366f0 2732 if (trace->trace_syscalls && trace__add_syscall_newtp(trace))
801c67b0 2733 goto out_error_raw_syscalls;
514f1c67 2734
e281a960 2735 if (trace->trace_syscalls)
08c98776 2736 trace->vfs_getname = perf_evlist__add_vfs_getname(evlist);
c522739d 2737
598d02c5 2738 if ((trace->trace_pgfaults & TRACE_PFMAJ) &&
e2726d99 2739 perf_evlist__add_pgfault(evlist, PERF_COUNT_SW_PAGE_FAULTS_MAJ)) {
5ed08dae 2740 goto out_error_mem;
e2726d99 2741 }
598d02c5
SF		 2742
2743 if ((trace->trace_pgfaults & TRACE_PFMIN) &&
2744 perf_evlist__add_pgfault(evlist, PERF_COUNT_SW_PAGE_FAULTS_MIN))
5ed08dae 2745 goto out_error_mem;
598d02c5 2746
1302d88e 2747 if (trace->sched &&
2cc990ba
ACM		 2748 perf_evlist__add_newtp(evlist, "sched", "sched_stat_runtime",
2749 trace__sched_stat_runtime))
2750 goto out_error_sched_stat_runtime;
1302d88e 2751
514f1c67
ACM		 2752 err = perf_evlist__create_maps(evlist, &trace->opts.target);
2753 if (err < 0) {
c24ff998 2754 fprintf(trace->output, "Problems parsing the target to trace, check your options!\n");
514f1c67
ACM		 2755 goto out_delete_evlist;
2756 }
2757
752fde44
ACM		 2758 err = trace__symbols_init(trace, evlist);
2759 if (err < 0) {
c24ff998 2760 fprintf(trace->output, "Problems initializing symbol libraries!\n");
03ad9747 2761 goto out_delete_evlist;
752fde44
ACM		 2762 }
2763
fde54b78
ACM		 2764 perf_evlist__config(evlist, &trace->opts, NULL);
2765
2766 if (trace->opts.callgraph_set && trace->syscalls.events.sys_exit) {
2767 perf_evsel__config_callchain(trace->syscalls.events.sys_exit,
2768 &trace->opts, &callchain_param);
2769 /*
2770 * Now we have evsels with different sample_ids, use
2771 * PERF_SAMPLE_IDENTIFIER to map from sample to evsel
2772 * from a fixed position in each ring buffer record.
2773 *
2774 * As of this the changeset introducing this comment, this
2775 * isn't strictly needed, as the fields that can come before
2776 * PERF_SAMPLE_ID are all used, but we'll probably disable
2777 * some of those for things like copying the payload of
2778 * pointer syscall arguments, and for vfs_getname we don't
2779 * need PERF_SAMPLE_ADDR and PERF_SAMPLE_IP, so do this
2780 * here as a warning we need to use PERF_SAMPLE_IDENTIFIER.
2781 */
2782 perf_evlist__set_sample_bit(evlist, IDENTIFIER);
2783 perf_evlist__reset_sample_bit(evlist, ID);
2784 }
514f1c67 2785
f15eb531
NK		 2786 signal(SIGCHLD, sig_handler);
2787 signal(SIGINT, sig_handler);
2788
2789 if (forks) {
6ef73ec4 2790 err = perf_evlist__prepare_workload(evlist, &trace->opts.target,
735f7e0b 2791 argv, false, NULL);
f15eb531 2792 if (err < 0) {
c24ff998 2793 fprintf(trace->output, "Couldn't run the workload!\n");
03ad9747 2794 goto out_delete_evlist;
f15eb531
NK		 2795 }
2796 }
2797
514f1c67 2798 err = perf_evlist__open(evlist);
a8f23d8f
ACM		 2799 if (err < 0)
2800 goto out_error_open;
514f1c67 2801
ba504235
WN		 2802 err = bpf__apply_obj_config();
2803 if (err) {
2804 char errbuf[BUFSIZ];
2805
2806 bpf__strerror_apply_obj_config(err, errbuf, sizeof(errbuf));
2807 pr_err("ERROR: Apply config to BPF failed: %s\n",
2808 errbuf);
2809 goto out_error_open;
2810 }
2811
241b057c
ACM		 2812 /*
2813 * Better not use !target__has_task() here because we need to cover the
2814 * case where no threads were specified in the command line, but a
2815 * workload was, and in that case we will fill in the thread_map when
2816 * we fork the workload in perf_evlist__prepare_workload.
2817 */
f078c385
ACM		 2818 if (trace->filter_pids.nr > 0)
2819 err = perf_evlist__set_filter_pids(evlist, trace->filter_pids.nr, trace->filter_pids.entries);
e13798c7 2820 else if (thread_map__pid(evlist->threads, 0) == -1)
f078c385
ACM		 2821 err = perf_evlist__set_filter_pid(evlist, getpid());
2822
94ad89bc
ACM		 2823 if (err < 0)
2824 goto out_error_mem;
2825
19867b61
ACM		 2826 if (trace->ev_qualifier_ids.nr > 0) {
2827 err = trace__set_ev_qualifier_filter(trace);
2828 if (err < 0)
2829 goto out_errno;
19867b61 2830
2e5e5f87
ACM		 2831 pr_debug("event qualifier tracepoint filter: %s\n",
2832 trace->syscalls.events.sys_exit->filter);
2833 }
19867b61 2834
94ad89bc
ACM		 2835 err = perf_evlist__apply_filters(evlist, &evsel);
2836 if (err < 0)
2837 goto out_error_apply_filters;
241b057c 2838
f885037e 2839 err = perf_evlist__mmap(evlist, trace->opts.mmap_pages, false);
e09b18d4
ACM		 2840 if (err < 0)
2841 goto out_error_mmap;
514f1c67 2842
cb24d01d
ACM		 2843 if (!target__none(&trace->opts.target))
2844 perf_evlist__enable(evlist);
2845
f15eb531
NK		 2846 if (forks)
2847 perf_evlist__start_workload(evlist);
2848
e13798c7 2849 trace->multiple_threads = thread_map__pid(evlist->threads, 0) == -1 ||
42052bea
ACM		 2850 evlist->threads->nr > 1 ||
2851 perf_evlist__first(evlist)->attr.inherit;
514f1c67 2852again:
efd5745e 2853 before = trace->nr_events;
514f1c67
ACM		 2854
2855 for (i = 0; i < evlist->nr_mmaps; i++) {
2856 union perf_event *event;
2857
2858 while ((event = perf_evlist__mmap_read(evlist, i)) != NULL) {
514f1c67 2859 struct perf_sample sample;
514f1c67 2860
efd5745e 2861 ++trace->nr_events;
514f1c67 2862
514f1c67
ACM		 2863 err = perf_evlist__parse_sample(evlist, event, &sample);
2864 if (err) {
c24ff998 2865 fprintf(trace->output, "Can't parse sample, err = %d, skipping...\n", err);
8e50d384 2866 goto next_event;
514f1c67
ACM		 2867 }
2868
ddbb1b13 2869 trace__handle_event(trace, event, &sample);
8e50d384
ZZ		 2870next_event:
2871 perf_evlist__mmap_consume(evlist, i);
20c5f10e 2872
ba209f85
ACM		 2873 if (interrupted)
2874 goto out_disable;
02ac5421
ACM		 2875
2876 if (done && !draining) {
2877 perf_evlist__disable(evlist);
2878 draining = true;
2879 }
514f1c67
ACM		 2880 }
2881 }
2882
efd5745e 2883 if (trace->nr_events == before) {
ba209f85 2884 int timeout = done ? 100 : -1;
f15eb531 2885
46fb3c21
ACM		 2886 if (!draining && perf_evlist__poll(evlist, timeout) > 0) {
2887 if (perf_evlist__filter_pollfd(evlist, POLLERR | POLLHUP) == 0)
2888 draining = true;
2889
ba209f85 2890 goto again;
46fb3c21 2891 }
ba209f85
ACM		 2892 } else {
2893 goto again;
f15eb531
NK		 2894 }
2895
ba209f85 2896out_disable:
f3b623b8
ACM		 2897 thread__zput(trace->current);
2898
ba209f85 2899 perf_evlist__disable(evlist);
514f1c67 2900
c522739d
ACM		 2901 if (!err) {
2902 if (trace->summary)
2903 trace__fprintf_thread_summary(trace, trace->output);
2904
2905 if (trace->show_tool_stats) {
2906 fprintf(trace->output, "Stats:\n "
2907 " vfs_getname : %" PRIu64 "\n"
2908 " proc_getname: %" PRIu64 "\n",
2909 trace->stats.vfs_getname,
2910 trace->stats.proc_getname);
2911 }
2912 }
bf2575c1 2913
514f1c67
ACM		 2914out_delete_evlist:
2915 perf_evlist__delete(evlist);
14a052df 2916 trace->evlist = NULL;
75b757ca 2917 trace->live = false;
514f1c67 2918 return err;
6ef068cb
ACM		 2919{
2920 char errbuf[BUFSIZ];
a8f23d8f 2921
2cc990ba 2922out_error_sched_stat_runtime:
988bdb31 2923 tracing_path__strerror_open_tp(errno, errbuf, sizeof(errbuf), "sched", "sched_stat_runtime");
2cc990ba
ACM		 2924 goto out_error;
2925
801c67b0 2926out_error_raw_syscalls:
988bdb31 2927 tracing_path__strerror_open_tp(errno, errbuf, sizeof(errbuf), "raw_syscalls", "sys_(enter|exit)");
a8f23d8f
ACM		 2928 goto out_error;
2929
e09b18d4
ACM		 2930out_error_mmap:
2931 perf_evlist__strerror_mmap(evlist, errno, errbuf, sizeof(errbuf));
2932 goto out_error;
2933
a8f23d8f
ACM		 2934out_error_open:
2935 perf_evlist__strerror_open(evlist, errno, errbuf, sizeof(errbuf));
2936
2937out_error:
6ef068cb 2938 fprintf(trace->output, "%s\n", errbuf);
87f91868 2939 goto out_delete_evlist;
94ad89bc
ACM		 2940
2941out_error_apply_filters:
2942 fprintf(trace->output,
2943 "Failed to set filter \"%s\" on event %s with %d (%s)\n",
2944 evsel->filter, perf_evsel__name(evsel), errno,
2945 strerror_r(errno, errbuf, sizeof(errbuf)));
2946 goto out_delete_evlist;
514f1c67 2947}
5ed08dae
ACM		 2948out_error_mem:
2949 fprintf(trace->output, "Not enough memory to run!\n");
2950 goto out_delete_evlist;
19867b61
ACM		 2951
2952out_errno:
2953 fprintf(trace->output, "errno=%d,%s\n", errno, strerror(errno));
2954 goto out_delete_evlist;
a8f23d8f 2955}
514f1c67 2956
6810fc91
DA		 2957static int trace__replay(struct trace *trace)
2958{
2959 const struct perf_evsel_str_handler handlers[] = {
c522739d 2960 { "probe:vfs_getname", trace__vfs_getname, },
6810fc91 2961 };
f5fc1412
JO		 2962 struct perf_data_file file = {
2963 .path = input_name,
2964 .mode = PERF_DATA_MODE_READ,
e366a6d8 2965 .force = trace->force,
f5fc1412 2966 };
6810fc91 2967 struct perf_session *session;
003824e8 2968 struct perf_evsel *evsel;
6810fc91
DA		 2969 int err = -1;
2970
2971 trace->tool.sample = trace__process_sample;
2972 trace->tool.mmap = perf_event__process_mmap;
384c671e 2973 trace->tool.mmap2 = perf_event__process_mmap2;
6810fc91
DA		 2974 trace->tool.comm = perf_event__process_comm;
2975 trace->tool.exit = perf_event__process_exit;
2976 trace->tool.fork = perf_event__process_fork;
2977 trace->tool.attr = perf_event__process_attr;
2978 trace->tool.tracing_data = perf_event__process_tracing_data;
2979 trace->tool.build_id = perf_event__process_build_id;
2980
0a8cb85c 2981 trace->tool.ordered_events = true;
6810fc91
DA		 2982 trace->tool.ordering_requires_timestamps = true;
2983
2984 /* add tid to output */
2985 trace->multiple_threads = true;
2986
f5fc1412 2987 session = perf_session__new(&file, false, &trace->tool);
6810fc91 2988 if (session == NULL)
52e02834 2989 return -1;
6810fc91 2990
0a7e6d1b 2991 if (symbol__init(&session->header.env) < 0)
cb2ffae2
NK		 2992 goto out;
2993
8fb598e5
DA		 2994 trace->host = &session->machines.host;
2995
6810fc91
DA		 2996 err = perf_session__set_tracepoints_handlers(session, handlers);
2997 if (err)
2998 goto out;
2999
003824e8
NK		 3000 evsel = perf_evlist__find_tracepoint_by_name(session->evlist,
3001 "raw_syscalls:sys_enter");
9aca7f17
DA		 3002 /* older kernels have syscalls tp versus raw_syscalls */
3003 if (evsel == NULL)
3004 evsel = perf_evlist__find_tracepoint_by_name(session->evlist,
3005 "syscalls:sys_enter");
003824e8 3006
e281a960
SF		 3007 if (evsel &&
3008 (perf_evsel__init_syscall_tp(evsel, trace__sys_enter) < 0 ||
3009 perf_evsel__init_sc_tp_ptr_field(evsel, args))) {
003824e8
NK		 3010 pr_err("Error during initialize raw_syscalls:sys_enter event\n");
3011 goto out;
3012 }
3013
3014 evsel = perf_evlist__find_tracepoint_by_name(session->evlist,
3015 "raw_syscalls:sys_exit");
9aca7f17
DA		 3016 if (evsel == NULL)
3017 evsel = perf_evlist__find_tracepoint_by_name(session->evlist,
3018 "syscalls:sys_exit");
e281a960
SF		 3019 if (evsel &&
3020 (perf_evsel__init_syscall_tp(evsel, trace__sys_exit) < 0 ||
3021 perf_evsel__init_sc_tp_uint_field(evsel, ret))) {
003824e8 3022 pr_err("Error during initialize raw_syscalls:sys_exit event\n");
6810fc91
DA		 3023 goto out;
3024 }
3025
1e28fe0a
SF		 3026 evlist__for_each(session->evlist, evsel) {
3027 if (evsel->attr.type == PERF_TYPE_SOFTWARE &&
3028 (evsel->attr.config == PERF_COUNT_SW_PAGE_FAULTS_MAJ ||
3029 evsel->attr.config == PERF_COUNT_SW_PAGE_FAULTS_MIN ||
3030 evsel->attr.config == PERF_COUNT_SW_PAGE_FAULTS))
3031 evsel->handler = trace__pgfault;
3032 }
3033
bdc89661
DA		 3034 err = parse_target_str(trace);
3035 if (err != 0)
3036 goto out;
3037
6810fc91
DA		 3038 setup_pager();
3039
b7b61cbe 3040 err = perf_session__process_events(session);
6810fc91
DA		 3041 if (err)
3042 pr_err("Failed to process events, error %d", err);
3043
bf2575c1
DA		 3044 else if (trace->summary)
3045 trace__fprintf_thread_summary(trace, trace->output);
3046
6810fc91
DA		 3047out:
3048 perf_session__delete(session);
3049
3050 return err;
3051}
3052
1302d88e
ACM		 3053static size_t trace__fprintf_threads_header(FILE *fp)
3054{
3055 size_t printed;
3056
99ff7150 3057 printed = fprintf(fp, "\n Summary of events:\n\n");
bf2575c1
DA		 3058
3059 return printed;
3060}
3061
3062static size_t thread__dump_stats(struct thread_trace *ttrace,
3063 struct trace *trace, FILE *fp)
3064{
3065 struct stats *stats;
3066 size_t printed = 0;
3067 struct syscall *sc;
3068 struct int_node *inode = intlist__first(ttrace->syscall_stats);
3069
3070 if (inode == NULL)
3071 return 0;
3072
3073 printed += fprintf(fp, "\n");
3074
834fd46d
MW		 3075 printed += fprintf(fp, " syscall calls total min avg max stddev\n");
3076 printed += fprintf(fp, " (msec) (msec) (msec) (msec) (%%)\n");
3077 printed += fprintf(fp, " --------------- -------- --------- --------- --------- --------- ------\n");
99ff7150 3078
bf2575c1
DA		 3079 /* each int_node is a syscall */
3080 while (inode) {
3081 stats = inode->priv;
3082 if (stats) {
3083 double min = (double)(stats->min) / NSEC_PER_MSEC;
3084 double max = (double)(stats->max) / NSEC_PER_MSEC;
3085 double avg = avg_stats(stats);
3086 double pct;
3087 u64 n = (u64) stats->n;
3088
3089 pct = avg ? 100.0 * stddev_stats(stats)/avg : 0.0;
3090 avg /= NSEC_PER_MSEC;
3091
3092 sc = &trace->syscalls.table[inode->i];
99ff7150 3093 printed += fprintf(fp, " %-15s", sc->name);
834fd46d
MW		 3094 printed += fprintf(fp, " %8" PRIu64 " %9.3f %9.3f %9.3f",
3095 n, avg * n, min, avg);
27a778b5 3096 printed += fprintf(fp, " %9.3f %9.2f%%\n", max, pct);
bf2575c1
DA		 3097 }
3098
3099 inode = intlist__next(inode);
3100 }
3101
3102 printed += fprintf(fp, "\n\n");
1302d88e
ACM		 3103
3104 return printed;
3105}
3106
896cbb56
DA		 3107/* struct used to pass data to per-thread function */
3108struct summary_data {
3109 FILE *fp;
3110 struct trace *trace;
3111 size_t printed;
3112};
3113
3114static int trace__fprintf_one_thread(struct thread *thread, void *priv)
3115{
3116 struct summary_data *data = priv;
3117 FILE *fp = data->fp;
3118 size_t printed = data->printed;
3119 struct trace *trace = data->trace;
89dceb22 3120 struct thread_trace *ttrace = thread__priv(thread);
896cbb56
DA		 3121 double ratio;
3122
3123 if (ttrace == NULL)
3124 return 0;
3125
3126 ratio = (double)ttrace->nr_events / trace->nr_events * 100.0;
3127
15e65c69 3128 printed += fprintf(fp, " %s (%d), ", thread__comm_str(thread), thread->tid);
99ff7150 3129 printed += fprintf(fp, "%lu events, ", ttrace->nr_events);
15e65c69 3130 printed += fprintf(fp, "%.1f%%", ratio);
a2ea67d7
SF		 3131 if (ttrace->pfmaj)
3132 printed += fprintf(fp, ", %lu majfaults", ttrace->pfmaj);
3133 if (ttrace->pfmin)
3134 printed += fprintf(fp, ", %lu minfaults", ttrace->pfmin);
99ff7150 3135 printed += fprintf(fp, ", %.3f msec\n", ttrace->runtime_ms);
bf2575c1 3136 printed += thread__dump_stats(ttrace, trace, fp);
896cbb56
DA		 3137
3138 data->printed += printed;
3139
3140 return 0;
3141}
3142
1302d88e
ACM		 3143static size_t trace__fprintf_thread_summary(struct trace *trace, FILE *fp)
3144{
896cbb56
DA		 3145 struct summary_data data = {
3146 .fp = fp,
3147 .trace = trace
3148 };
3149 data.printed = trace__fprintf_threads_header(fp);
1302d88e 3150
896cbb56
DA		 3151 machine__for_each_thread(trace->host, trace__fprintf_one_thread, &data);
3152
3153 return data.printed;
1302d88e
ACM		 3154}
3155
ae9ed035
ACM		 3156static int trace__set_duration(const struct option *opt, const char *str,
3157 int unset __maybe_unused)
3158{
3159 struct trace *trace = opt->value;
3160
3161 trace->duration_filter = atof(str);
3162 return 0;
3163}
3164
f078c385
ACM		 3165static int trace__set_filter_pids(const struct option *opt, const char *str,
3166 int unset __maybe_unused)
3167{
3168 int ret = -1;
3169 size_t i;
3170 struct trace *trace = opt->value;
3171 /*
3172 * FIXME: introduce a intarray class, plain parse csv and create a
3173 * { int nr, int entries[] } struct...
3174 */
3175 struct intlist *list = intlist__new(str);
3176
3177 if (list == NULL)
3178 return -1;
3179
3180 i = trace->filter_pids.nr = intlist__nr_entries(list) + 1;
3181 trace->filter_pids.entries = calloc(i, sizeof(pid_t));
3182
3183 if (trace->filter_pids.entries == NULL)
3184 goto out;
3185
3186 trace->filter_pids.entries[0] = getpid();
3187
3188 for (i = 1; i < trace->filter_pids.nr; ++i)
3189 trace->filter_pids.entries[i] = intlist__entry(list, i - 1)->i;
3190
3191 intlist__delete(list);
3192 ret = 0;
3193out:
3194 return ret;
3195}
3196
c24ff998
ACM		 3197static int trace__open_output(struct trace *trace, const char *filename)
3198{
3199 struct stat st;
3200
3201 if (!stat(filename, &st) && st.st_size) {
3202 char oldname[PATH_MAX];
3203
3204 scnprintf(oldname, sizeof(oldname), "%s.old", filename);
3205 unlink(oldname);
3206 rename(filename, oldname);
3207 }
3208
3209 trace->output = fopen(filename, "w");
3210
3211 return trace->output == NULL ? -errno : 0;
3212}
3213
598d02c5
SF		 3214static int parse_pagefaults(const struct option *opt, const char *str,
3215 int unset __maybe_unused)
3216{
3217 int *trace_pgfaults = opt->value;
3218
3219 if (strcmp(str, "all") == 0)
3220 *trace_pgfaults |= TRACE_PFMAJ | TRACE_PFMIN;
3221 else if (strcmp(str, "maj") == 0)
3222 *trace_pgfaults |= TRACE_PFMAJ;
3223 else if (strcmp(str, "min") == 0)
3224 *trace_pgfaults |= TRACE_PFMIN;
3225 else
3226 return -1;
3227
3228 return 0;
3229}
3230
14a052df
ACM		 3231static void evlist__set_evsel_handler(struct perf_evlist *evlist, void *handler)
3232{
3233 struct perf_evsel *evsel;
3234
3235 evlist__for_each(evlist, evsel)
3236 evsel->handler = handler;
3237}
3238
514f1c67
ACM		 3239int cmd_trace(int argc, const char **argv, const char *prefix __maybe_unused)
3240{
6fdd9cb7 3241 const char *trace_usage[] = {
f15eb531
NK		 3242 "perf trace [<options>] [<command>]",
3243 "perf trace [<options>] -- <command> [<options>]",
5e2485b1
DA		 3244 "perf trace record [<options>] [<command>]",
3245 "perf trace record [<options>] -- <command> [<options>]",
514f1c67
ACM		 3246 NULL
3247 };
3248 struct trace trace = {
514f1c67
ACM		 3249 .syscalls = {
3250 . max = -1,
3251 },
3252 .opts = {
3253 .target = {
3254 .uid = UINT_MAX,
3255 .uses_mmap = true,
3256 },
3257 .user_freq = UINT_MAX,
3258 .user_interval = ULLONG_MAX,
509051ea 3259 .no_buffering = true,
38d5447d 3260 .mmap_pages = UINT_MAX,
9d9cad76 3261 .proc_map_timeout = 500,
514f1c67 3262 },
007d66a0 3263 .output = stderr,
50c95cbd 3264 .show_comm = true,
e281a960 3265 .trace_syscalls = true,
44621819 3266 .kernel_syscallchains = false,
514f1c67 3267 };
c24ff998 3268 const char *output_name = NULL;
2ae3a312 3269 const char *ev_qualifier_str = NULL;
514f1c67 3270 const struct option trace_options[] = {
14a052df
ACM		 3271 OPT_CALLBACK(0, "event", &trace.evlist, "event",
3272 "event selector. use 'perf list' to list available events",
3273 parse_events_option),
50c95cbd
ACM		 3274 OPT_BOOLEAN(0, "comm", &trace.show_comm,
3275 "show the thread COMM next to its id"),
c522739d 3276 OPT_BOOLEAN(0, "tool_stats", &trace.show_tool_stats, "show tool stats"),
d303e85a 3277 OPT_STRING('e', "expr", &ev_qualifier_str, "expr", "list of syscalls to trace"),
c24ff998 3278 OPT_STRING('o', "output", &output_name, "file", "output file name"),
6810fc91 3279 OPT_STRING('i', "input", &input_name, "file", "Analyze events in file"),
514f1c67
ACM		 3280 OPT_STRING('p', "pid", &trace.opts.target.pid, "pid",
3281 "trace events on existing process id"),
ac9be8ee 3282 OPT_STRING('t', "tid", &trace.opts.target.tid, "tid",
514f1c67 3283 "trace events on existing thread id"),
fa0e4ffe
ACM		 3284 OPT_CALLBACK(0, "filter-pids", &trace, "CSV list of pids",
3285 "pids to filter (by the kernel)", trace__set_filter_pids),
ac9be8ee 3286 OPT_BOOLEAN('a', "all-cpus", &trace.opts.target.system_wide,
514f1c67 3287 "system-wide collection from all CPUs"),
ac9be8ee 3288 OPT_STRING('C', "cpu", &trace.opts.target.cpu_list, "cpu",
514f1c67 3289 "list of cpus to monitor"),
6810fc91 3290 OPT_BOOLEAN(0, "no-inherit", &trace.opts.no_inherit,
514f1c67 3291 "child tasks do not inherit counters"),
994a1f78
JO		 3292 OPT_CALLBACK('m', "mmap-pages", &trace.opts.mmap_pages, "pages",
3293 "number of mmap data pages",
3294 perf_evlist__parse_mmap_pages),
ac9be8ee 3295 OPT_STRING('u', "uid", &trace.opts.target.uid_str, "user",
514f1c67 3296 "user to profile"),
ae9ed035
ACM		 3297 OPT_CALLBACK(0, "duration", &trace, "float",
3298 "show only events with duration > N.M ms",
3299 trace__set_duration),
1302d88e 3300 OPT_BOOLEAN(0, "sched", &trace.sched, "show blocking scheduler events"),
7c304ee0 3301 OPT_INCR('v', "verbose", &verbose, "be more verbose"),
4bb09192
DA		 3302 OPT_BOOLEAN('T', "time", &trace.full_time,
3303 "Show full timestamp, not time relative to first start"),
fd2eabaf
DA		 3304 OPT_BOOLEAN('s', "summary", &trace.summary_only,
3305 "Show only syscall summary with statistics"),
3306 OPT_BOOLEAN('S', "with-summary", &trace.summary,
3307 "Show all syscalls and summary with statistics"),
598d02c5
SF		 3308 OPT_CALLBACK_DEFAULT('F', "pf", &trace.trace_pgfaults, "all|maj|min",
3309 "Trace pagefaults", parse_pagefaults, "maj"),
e281a960 3310 OPT_BOOLEAN(0, "syscalls", &trace.trace_syscalls, "Trace syscalls"),
e366a6d8 3311 OPT_BOOLEAN('f', "force", &trace.force, "don't complain, do it"),
566a0885
MW		 3312 OPT_CALLBACK(0, "call-graph", &trace.opts,
3313 "record_mode[,record_size]", record_callchain_help,
3314 &record_parse_callchain_opt),
44621819
ACM		 3315 OPT_BOOLEAN(0, "kernel-syscall-graph", &trace.kernel_syscallchains,
3316 "Show the kernel callchains on the syscall exit path"),
9d9cad76
KL		 3317 OPT_UINTEGER(0, "proc-map-timeout", &trace.opts.proc_map_timeout,
3318 "per thread proc mmap processing timeout in ms"),
514f1c67
ACM		 3319 OPT_END()
3320 };
6fdd9cb7 3321 const char * const trace_subcommands[] = { "record", NULL };
514f1c67 3322 int err;
32caf0d1 3323 char bf[BUFSIZ];
514f1c67 3324
4d08cb80
ACM		 3325 signal(SIGSEGV, sighandler_dump_stack);
3326 signal(SIGFPE, sighandler_dump_stack);
3327
14a052df 3328 trace.evlist = perf_evlist__new();
fd0db102 3329 trace.sctbl = syscalltbl__new();
14a052df 3330
fd0db102 3331 if (trace.evlist == NULL || trace.sctbl == NULL) {
14a052df 3332 pr_err("Not enough memory to run!\n");
ff8f695c 3333 err = -ENOMEM;
14a052df
ACM		 3334 goto out;
3335 }
3336
6fdd9cb7
YS		 3337 argc = parse_options_subcommand(argc, argv, trace_options, trace_subcommands,
3338 trace_usage, PARSE_OPT_STOP_AT_NON_OPTION);
fd2eabaf 3339
d7888573
WN		 3340 err = bpf__setup_stdout(trace.evlist);
3341 if (err) {
3342 bpf__strerror_setup_stdout(trace.evlist, err, bf, sizeof(bf));
3343 pr_err("ERROR: Setup BPF stdout failed: %s\n", bf);
3344 goto out;
3345 }
3346
598d02c5
SF		 3347 if (trace.trace_pgfaults) {
3348 trace.opts.sample_address = true;
3349 trace.opts.sample_time = true;
3350 }
3351
566a0885
MW		 3352 if (trace.opts.callgraph_set)
3353 symbol_conf.use_callchain = true;
3354
14a052df
ACM		 3355 if (trace.evlist->nr_entries > 0)
3356 evlist__set_evsel_handler(trace.evlist, trace__event_handler);
3357
1e28fe0a
SF		 3358 if ((argc >= 1) && (strcmp(argv[0], "record") == 0))
3359 return trace__record(&trace, argc-1, &argv[1]);
3360
3361 /* summary_only implies summary option, but don't overwrite summary if set */
3362 if (trace.summary_only)
3363 trace.summary = trace.summary_only;
3364
726f3234
ACM		 3365 if (!trace.trace_syscalls && !trace.trace_pgfaults &&
3366 trace.evlist->nr_entries == 0 /* Was --events used? */) {
e281a960
SF		 3367 pr_err("Please specify something to trace.\n");
3368 return -1;
3369 }
3370
c24ff998
ACM		 3371 if (output_name != NULL) {
3372 err = trace__open_output(&trace, output_name);
3373 if (err < 0) {
3374 perror("failed to create output file");
3375 goto out;
3376 }
3377 }
3378
fd0db102
ACM		 3379 trace.open_id = syscalltbl__id(trace.sctbl, "open");
3380
2ae3a312 3381 if (ev_qualifier_str != NULL) {
b059efdf 3382 const char *s = ev_qualifier_str;
005438a8
ACM		 3383 struct strlist_config slist_config = {
3384 .dirname = system_path(STRACE_GROUPS_DIR),
3385 };
b059efdf
ACM		 3386
3387 trace.not_ev_qualifier = *s == '!';
3388 if (trace.not_ev_qualifier)
3389 ++s;
005438a8 3390 trace.ev_qualifier = strlist__new(s, &slist_config);
2ae3a312 3391 if (trace.ev_qualifier == NULL) {
c24ff998
ACM		 3392 fputs("Not enough memory to parse event qualifier",
3393 trace.output);
3394 err = -ENOMEM;
3395 goto out_close;
2ae3a312 3396 }
d0cc439b
ACM		 3397
3398 err = trace__validate_ev_qualifier(&trace);
3399 if (err)
3400 goto out_close;
2ae3a312
ACM		 3401 }
3402
602ad878 3403 err = target__validate(&trace.opts.target);
32caf0d1 3404 if (err) {
602ad878 3405 target__strerror(&trace.opts.target, err, bf, sizeof(bf));
c24ff998
ACM		 3406 fprintf(trace.output, "%s", bf);
3407 goto out_close;
32caf0d1
NK		 3408 }
3409
602ad878 3410 err = target__parse_uid(&trace.opts.target);
514f1c67 3411 if (err) {
602ad878 3412 target__strerror(&trace.opts.target, err, bf, sizeof(bf));
c24ff998
ACM		 3413 fprintf(trace.output, "%s", bf);
3414 goto out_close;
514f1c67
ACM		 3415 }
3416
602ad878 3417 if (!argc && target__none(&trace.opts.target))
ee76120e
NK		 3418 trace.opts.target.system_wide = true;
3419
6810fc91
DA		 3420 if (input_name)
3421 err = trace__replay(&trace);
3422 else
3423 err = trace__run(&trace, argc, argv);
1302d88e 3424
c24ff998
ACM		 3425out_close:
3426 if (output_name != NULL)
3427 fclose(trace.output);
3428out:
1302d88e 3429 return err;
514f1c67 3430}
Linux kernel - Deliverables
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