4 * Builtin report command: Analyze the perf.data input file,
5 * look up and read DSOs and symbol information and display
6 * a histogram of results, along various sorting keys.
10 #include "util/util.h"
12 #include "util/color.h"
13 #include "util/list.h"
14 #include "util/cache.h"
15 #include "util/rbtree.h"
16 #include "util/symbol.h"
17 #include "util/string.h"
21 #include "util/parse-options.h"
22 #include "util/parse-events.h"
28 static char const *input_name
= "perf.data";
29 static char *vmlinux
= NULL
;
31 static char default_sort_order
[] = "comm,dso";
32 static char *sort_order
= default_sort_order
;
35 static int show_mask
= SHOW_KERNEL
| SHOW_USER
| SHOW_HV
;
37 static int dump_trace
= 0;
38 #define dprintf(x...) do { if (dump_trace) printf(x); } while (0)
41 static int full_paths
;
43 static unsigned long page_size
;
44 static unsigned long mmap_window
= 32;
47 struct perf_event_header header
;
53 struct perf_event_header header
;
58 char filename
[PATH_MAX
];
62 struct perf_event_header header
;
68 struct perf_event_header header
;
73 struct perf_event_header header
;
79 typedef union event_union
{
80 struct perf_event_header header
;
82 struct mmap_event mmap
;
83 struct comm_event comm
;
84 struct fork_event fork
;
85 struct period_event period
;
88 static LIST_HEAD(dsos
);
89 static struct dso
*kernel_dso
;
90 static struct dso
*vdso
;
92 static void dsos__add(struct dso
*dso
)
94 list_add_tail(&dso
->node
, &dsos
);
97 static struct dso
*dsos__find(const char *name
)
101 list_for_each_entry(pos
, &dsos
, node
)
102 if (strcmp(pos
->name
, name
) == 0)
107 static struct dso
*dsos__findnew(const char *name
)
109 struct dso
*dso
= dsos__find(name
);
115 dso
= dso__new(name
, 0);
119 nr
= dso__load(dso
, NULL
, verbose
);
122 fprintf(stderr
, "Failed to open: %s\n", name
);
125 if (!nr
&& verbose
) {
127 "No symbols found in: %s, maybe install a debug package?\n",
140 static void dsos__fprintf(FILE *fp
)
144 list_for_each_entry(pos
, &dsos
, node
)
145 dso__fprintf(pos
, fp
);
148 static struct symbol
*vdso__find_symbol(struct dso
*dso
, uint64_t ip
)
150 return dso__find_symbol(kernel_dso
, ip
);
153 static int load_kernel(void)
157 kernel_dso
= dso__new("[kernel]", 0);
161 err
= dso__load_kernel(kernel_dso
, vmlinux
, NULL
, verbose
);
163 dso__delete(kernel_dso
);
166 dsos__add(kernel_dso
);
168 vdso
= dso__new("[vdso]", 0);
172 vdso
->find_symbol
= vdso__find_symbol
;
179 static char __cwd
[PATH_MAX
];
180 static char *cwd
= __cwd
;
183 static int strcommon(const char *pathname
)
187 while (pathname
[n
] == cwd
[n
] && n
< cwdlen
)
194 struct list_head node
;
198 uint64_t (*map_ip
)(struct map
*, uint64_t);
202 static uint64_t map__map_ip(struct map
*map
, uint64_t ip
)
204 return ip
- map
->start
+ map
->pgoff
;
207 static uint64_t vdso__map_ip(struct map
*map
, uint64_t ip
)
212 static inline int is_anon_memory(const char *filename
)
214 return strcmp(filename
, "//anon") == 0;
217 static struct map
*map__new(struct mmap_event
*event
)
219 struct map
*self
= malloc(sizeof(*self
));
222 const char *filename
= event
->filename
;
223 char newfilename
[PATH_MAX
];
227 int n
= strcommon(filename
);
230 snprintf(newfilename
, sizeof(newfilename
),
231 ".%s", filename
+ n
);
232 filename
= newfilename
;
236 anon
= is_anon_memory(filename
);
239 snprintf(newfilename
, sizeof(newfilename
), "/tmp/perf-%d.map", event
->pid
);
240 filename
= newfilename
;
243 self
->start
= event
->start
;
244 self
->end
= event
->start
+ event
->len
;
245 self
->pgoff
= event
->pgoff
;
247 self
->dso
= dsos__findnew(filename
);
248 if (self
->dso
== NULL
)
251 if (self
->dso
== vdso
|| anon
)
252 self
->map_ip
= vdso__map_ip
;
254 self
->map_ip
= map__map_ip
;
262 static struct map
*map__clone(struct map
*self
)
264 struct map
*map
= malloc(sizeof(*self
));
269 memcpy(map
, self
, sizeof(*self
));
274 static int map__overlap(struct map
*l
, struct map
*r
)
276 if (l
->start
> r
->start
) {
282 if (l
->end
> r
->start
)
288 static size_t map__fprintf(struct map
*self
, FILE *fp
)
290 return fprintf(fp
, " %"PRIx64
"-%"PRIx64
" %"PRIx64
" %s\n",
291 self
->start
, self
->end
, self
->pgoff
, self
->dso
->name
);
296 struct rb_node rb_node
;
297 struct list_head maps
;
302 static struct thread
*thread__new(pid_t pid
)
304 struct thread
*self
= malloc(sizeof(*self
));
308 self
->comm
= malloc(32);
310 snprintf(self
->comm
, 32, ":%d", self
->pid
);
311 INIT_LIST_HEAD(&self
->maps
);
317 static int thread__set_comm(struct thread
*self
, const char *comm
)
321 self
->comm
= strdup(comm
);
322 return self
->comm
? 0 : -ENOMEM
;
325 static size_t thread__fprintf(struct thread
*self
, FILE *fp
)
328 size_t ret
= fprintf(fp
, "Thread %d %s\n", self
->pid
, self
->comm
);
330 list_for_each_entry(pos
, &self
->maps
, node
)
331 ret
+= map__fprintf(pos
, fp
);
337 static struct rb_root threads
;
338 static struct thread
*last_match
;
340 static struct thread
*threads__findnew(pid_t pid
)
342 struct rb_node
**p
= &threads
.rb_node
;
343 struct rb_node
*parent
= NULL
;
347 * Font-end cache - PID lookups come in blocks,
348 * so most of the time we dont have to look up
351 if (last_match
&& last_match
->pid
== pid
)
356 th
= rb_entry(parent
, struct thread
, rb_node
);
358 if (th
->pid
== pid
) {
369 th
= thread__new(pid
);
371 rb_link_node(&th
->rb_node
, parent
, p
);
372 rb_insert_color(&th
->rb_node
, &threads
);
379 static void thread__insert_map(struct thread
*self
, struct map
*map
)
381 struct map
*pos
, *tmp
;
383 list_for_each_entry_safe(pos
, tmp
, &self
->maps
, node
) {
384 if (map__overlap(pos
, map
)) {
385 list_del_init(&pos
->node
);
391 list_add_tail(&map
->node
, &self
->maps
);
394 static int thread__fork(struct thread
*self
, struct thread
*parent
)
400 self
->comm
= strdup(parent
->comm
);
404 list_for_each_entry(map
, &parent
->maps
, node
) {
405 struct map
*new = map__clone(map
);
408 thread__insert_map(self
, new);
414 static struct map
*thread__find_map(struct thread
*self
, uint64_t ip
)
421 list_for_each_entry(pos
, &self
->maps
, node
)
422 if (ip
>= pos
->start
&& ip
<= pos
->end
)
428 static size_t threads__fprintf(FILE *fp
)
433 for (nd
= rb_first(&threads
); nd
; nd
= rb_next(nd
)) {
434 struct thread
*pos
= rb_entry(nd
, struct thread
, rb_node
);
436 ret
+= thread__fprintf(pos
, fp
);
443 * histogram, sorted on item, collects counts
446 static struct rb_root hist
;
449 struct rb_node rb_node
;
451 struct thread
*thread
;
462 * configurable sorting bits
466 struct list_head list
;
470 int64_t (*cmp
)(struct hist_entry
*, struct hist_entry
*);
471 int64_t (*collapse
)(struct hist_entry
*, struct hist_entry
*);
472 size_t (*print
)(FILE *fp
, struct hist_entry
*);
478 sort__thread_cmp(struct hist_entry
*left
, struct hist_entry
*right
)
480 return right
->thread
->pid
- left
->thread
->pid
;
484 sort__thread_print(FILE *fp
, struct hist_entry
*self
)
486 return fprintf(fp
, "%16s:%5d", self
->thread
->comm
?: "", self
->thread
->pid
);
489 static struct sort_entry sort_thread
= {
490 .header
= " Command: Pid",
491 .cmp
= sort__thread_cmp
,
492 .print
= sort__thread_print
,
498 sort__comm_cmp(struct hist_entry
*left
, struct hist_entry
*right
)
500 return right
->thread
->pid
- left
->thread
->pid
;
504 sort__comm_collapse(struct hist_entry
*left
, struct hist_entry
*right
)
506 char *comm_l
= left
->thread
->comm
;
507 char *comm_r
= right
->thread
->comm
;
509 if (!comm_l
|| !comm_r
) {
510 if (!comm_l
&& !comm_r
)
518 return strcmp(comm_l
, comm_r
);
522 sort__comm_print(FILE *fp
, struct hist_entry
*self
)
524 return fprintf(fp
, "%16s", self
->thread
->comm
);
527 static struct sort_entry sort_comm
= {
528 .header
= " Command",
529 .cmp
= sort__comm_cmp
,
530 .collapse
= sort__comm_collapse
,
531 .print
= sort__comm_print
,
537 sort__dso_cmp(struct hist_entry
*left
, struct hist_entry
*right
)
539 struct dso
*dso_l
= left
->dso
;
540 struct dso
*dso_r
= right
->dso
;
542 if (!dso_l
|| !dso_r
) {
543 if (!dso_l
&& !dso_r
)
551 return strcmp(dso_l
->name
, dso_r
->name
);
555 sort__dso_print(FILE *fp
, struct hist_entry
*self
)
558 return fprintf(fp
, "%-25s", self
->dso
->name
);
560 return fprintf(fp
, "%016llx ", (__u64
)self
->ip
);
563 static struct sort_entry sort_dso
= {
564 .header
= "Shared Object ",
565 .cmp
= sort__dso_cmp
,
566 .print
= sort__dso_print
,
572 sort__sym_cmp(struct hist_entry
*left
, struct hist_entry
*right
)
576 if (left
->sym
== right
->sym
)
579 ip_l
= left
->sym
? left
->sym
->start
: left
->ip
;
580 ip_r
= right
->sym
? right
->sym
->start
: right
->ip
;
582 return (int64_t)(ip_r
- ip_l
);
586 sort__sym_print(FILE *fp
, struct hist_entry
*self
)
591 ret
+= fprintf(fp
, "%#018llx ", (__u64
)self
->ip
);
594 ret
+= fprintf(fp
, "[%c] %s",
595 self
->dso
== kernel_dso
? 'k' : '.', self
->sym
->name
);
597 ret
+= fprintf(fp
, "%#016llx", (__u64
)self
->ip
);
603 static struct sort_entry sort_sym
= {
605 .cmp
= sort__sym_cmp
,
606 .print
= sort__sym_print
,
609 static int sort__need_collapse
= 0;
611 struct sort_dimension
{
613 struct sort_entry
*entry
;
617 static struct sort_dimension sort_dimensions
[] = {
618 { .name
= "pid", .entry
= &sort_thread
, },
619 { .name
= "comm", .entry
= &sort_comm
, },
620 { .name
= "dso", .entry
= &sort_dso
, },
621 { .name
= "symbol", .entry
= &sort_sym
, },
624 static LIST_HEAD(hist_entry__sort_list
);
626 static int sort_dimension__add(char *tok
)
630 for (i
= 0; i
< ARRAY_SIZE(sort_dimensions
); i
++) {
631 struct sort_dimension
*sd
= &sort_dimensions
[i
];
636 if (strncasecmp(tok
, sd
->name
, strlen(tok
)))
639 if (sd
->entry
->collapse
)
640 sort__need_collapse
= 1;
642 list_add_tail(&sd
->entry
->list
, &hist_entry__sort_list
);
652 hist_entry__cmp(struct hist_entry
*left
, struct hist_entry
*right
)
654 struct sort_entry
*se
;
657 list_for_each_entry(se
, &hist_entry__sort_list
, list
) {
658 cmp
= se
->cmp(left
, right
);
667 hist_entry__collapse(struct hist_entry
*left
, struct hist_entry
*right
)
669 struct sort_entry
*se
;
672 list_for_each_entry(se
, &hist_entry__sort_list
, list
) {
673 int64_t (*f
)(struct hist_entry
*, struct hist_entry
*);
675 f
= se
->collapse
?: se
->cmp
;
677 cmp
= f(left
, right
);
686 hist_entry__fprintf(FILE *fp
, struct hist_entry
*self
, uint64_t total_samples
)
688 struct sort_entry
*se
;
692 double percent
= self
->count
* 100.0 / total_samples
;
693 char *color
= PERF_COLOR_NORMAL
;
696 * We color high-overhead entries in red, mid-overhead
697 * entries in green - and keep the low overhead places
700 if (percent
>= 5.0) {
701 color
= PERF_COLOR_RED
;
704 color
= PERF_COLOR_GREEN
;
707 ret
= color_fprintf(fp
, color
, " %6.2f%%",
708 (self
->count
* 100.0) / total_samples
);
710 ret
= fprintf(fp
, "%12d ", self
->count
);
712 list_for_each_entry(se
, &hist_entry__sort_list
, list
) {
714 ret
+= se
->print(fp
, self
);
717 ret
+= fprintf(fp
, "\n");
723 * collect histogram counts
727 hist_entry__add(struct thread
*thread
, struct map
*map
, struct dso
*dso
,
728 struct symbol
*sym
, uint64_t ip
, char level
)
730 struct rb_node
**p
= &hist
.rb_node
;
731 struct rb_node
*parent
= NULL
;
732 struct hist_entry
*he
;
733 struct hist_entry entry
= {
746 he
= rb_entry(parent
, struct hist_entry
, rb_node
);
748 cmp
= hist_entry__cmp(&entry
, he
);
761 he
= malloc(sizeof(*he
));
765 rb_link_node(&he
->rb_node
, parent
, p
);
766 rb_insert_color(&he
->rb_node
, &hist
);
771 static void hist_entry__free(struct hist_entry
*he
)
777 * collapse the histogram
780 static struct rb_root collapse_hists
;
782 static void collapse__insert_entry(struct hist_entry
*he
)
784 struct rb_node
**p
= &collapse_hists
.rb_node
;
785 struct rb_node
*parent
= NULL
;
786 struct hist_entry
*iter
;
791 iter
= rb_entry(parent
, struct hist_entry
, rb_node
);
793 cmp
= hist_entry__collapse(iter
, he
);
796 iter
->count
+= he
->count
;
797 hist_entry__free(he
);
807 rb_link_node(&he
->rb_node
, parent
, p
);
808 rb_insert_color(&he
->rb_node
, &collapse_hists
);
811 static void collapse__resort(void)
813 struct rb_node
*next
;
814 struct hist_entry
*n
;
816 if (!sort__need_collapse
)
819 next
= rb_first(&hist
);
821 n
= rb_entry(next
, struct hist_entry
, rb_node
);
822 next
= rb_next(&n
->rb_node
);
824 rb_erase(&n
->rb_node
, &hist
);
825 collapse__insert_entry(n
);
830 * reverse the map, sort on count.
833 static struct rb_root output_hists
;
835 static void output__insert_entry(struct hist_entry
*he
)
837 struct rb_node
**p
= &output_hists
.rb_node
;
838 struct rb_node
*parent
= NULL
;
839 struct hist_entry
*iter
;
843 iter
= rb_entry(parent
, struct hist_entry
, rb_node
);
845 if (he
->count
> iter
->count
)
851 rb_link_node(&he
->rb_node
, parent
, p
);
852 rb_insert_color(&he
->rb_node
, &output_hists
);
855 static void output__resort(void)
857 struct rb_node
*next
;
858 struct hist_entry
*n
;
859 struct rb_root
*tree
= &hist
;
861 if (sort__need_collapse
)
862 tree
= &collapse_hists
;
864 next
= rb_first(tree
);
867 n
= rb_entry(next
, struct hist_entry
, rb_node
);
868 next
= rb_next(&n
->rb_node
);
870 rb_erase(&n
->rb_node
, tree
);
871 output__insert_entry(n
);
875 static size_t output__fprintf(FILE *fp
, uint64_t total_samples
)
877 struct hist_entry
*pos
;
878 struct sort_entry
*se
;
884 fprintf(fp
, "# (%Ld samples)\n", (__u64
)total_samples
);
887 fprintf(fp
, "# Overhead");
888 list_for_each_entry(se
, &hist_entry__sort_list
, list
)
889 fprintf(fp
, " %s", se
->header
);
892 fprintf(fp
, "# ........");
893 list_for_each_entry(se
, &hist_entry__sort_list
, list
) {
897 for (i
= 0; i
< strlen(se
->header
); i
++)
904 for (nd
= rb_first(&output_hists
); nd
; nd
= rb_next(nd
)) {
905 pos
= rb_entry(nd
, struct hist_entry
, rb_node
);
906 ret
+= hist_entry__fprintf(fp
, pos
, total_samples
);
909 if (!strcmp(sort_order
, default_sort_order
)) {
911 fprintf(fp
, "# (For more details, try: perf report --sort comm,dso,symbol)\n");
919 static void register_idle_thread(void)
921 struct thread
*thread
= threads__findnew(0);
923 if (thread
== NULL
||
924 thread__set_comm(thread
, "[idle]")) {
925 fprintf(stderr
, "problem inserting idle task.\n");
930 static unsigned long total
= 0,
937 process_overflow_event(event_t
*event
, unsigned long offset
, unsigned long head
)
941 struct dso
*dso
= NULL
;
942 struct thread
*thread
= threads__findnew(event
->ip
.pid
);
943 uint64_t ip
= event
->ip
.ip
;
944 struct map
*map
= NULL
;
946 dprintf("%p [%p]: PERF_EVENT (IP, %d): %d: %p\n",
947 (void *)(offset
+ head
),
948 (void *)(long)(event
->header
.size
),
953 dprintf(" ... thread: %s:%d\n", thread
->comm
, thread
->pid
);
955 if (thread
== NULL
) {
956 fprintf(stderr
, "problem processing %d event, skipping it.\n",
961 if (event
->header
.misc
& PERF_EVENT_MISC_KERNEL
) {
967 dprintf(" ...... dso: %s\n", dso
->name
);
969 } else if (event
->header
.misc
& PERF_EVENT_MISC_USER
) {
974 map
= thread__find_map(thread
, ip
);
976 ip
= map
->map_ip(map
, ip
);
980 * If this is outside of all known maps,
981 * and is a negative address, try to look it
982 * up in the kernel dso, as it might be a
983 * vsyscall (which executes in user-mode):
985 if ((long long)ip
< 0)
988 dprintf(" ...... dso: %s\n", dso
? dso
->name
: "<not found>");
993 dprintf(" ...... dso: [hypervisor]\n");
996 if (show
& show_mask
) {
997 struct symbol
*sym
= NULL
;
1000 sym
= dso
->find_symbol(dso
, ip
);
1002 if (hist_entry__add(thread
, map
, dso
, sym
, ip
, level
)) {
1004 "problem incrementing symbol count, skipping event\n");
1014 process_mmap_event(event_t
*event
, unsigned long offset
, unsigned long head
)
1016 struct thread
*thread
= threads__findnew(event
->mmap
.pid
);
1017 struct map
*map
= map__new(&event
->mmap
);
1019 dprintf("%p [%p]: PERF_EVENT_MMAP %d: [%p(%p) @ %p]: %s\n",
1020 (void *)(offset
+ head
),
1021 (void *)(long)(event
->header
.size
),
1023 (void *)(long)event
->mmap
.start
,
1024 (void *)(long)event
->mmap
.len
,
1025 (void *)(long)event
->mmap
.pgoff
,
1026 event
->mmap
.filename
);
1028 if (thread
== NULL
|| map
== NULL
) {
1029 dprintf("problem processing PERF_EVENT_MMAP, skipping event.\n");
1033 thread__insert_map(thread
, map
);
1040 process_comm_event(event_t
*event
, unsigned long offset
, unsigned long head
)
1042 struct thread
*thread
= threads__findnew(event
->comm
.pid
);
1044 dprintf("%p [%p]: PERF_EVENT_COMM: %s:%d\n",
1045 (void *)(offset
+ head
),
1046 (void *)(long)(event
->header
.size
),
1047 event
->comm
.comm
, event
->comm
.pid
);
1049 if (thread
== NULL
||
1050 thread__set_comm(thread
, event
->comm
.comm
)) {
1051 dprintf("problem processing PERF_EVENT_COMM, skipping event.\n");
1060 process_fork_event(event_t
*event
, unsigned long offset
, unsigned long head
)
1062 struct thread
*thread
= threads__findnew(event
->fork
.pid
);
1063 struct thread
*parent
= threads__findnew(event
->fork
.ppid
);
1065 dprintf("%p [%p]: PERF_EVENT_FORK: %d:%d\n",
1066 (void *)(offset
+ head
),
1067 (void *)(long)(event
->header
.size
),
1068 event
->fork
.pid
, event
->fork
.ppid
);
1070 if (!thread
|| !parent
|| thread__fork(thread
, parent
)) {
1071 dprintf("problem processing PERF_EVENT_FORK, skipping event.\n");
1080 process_period_event(event_t
*event
, unsigned long offset
, unsigned long head
)
1082 dprintf("%p [%p]: PERF_EVENT_PERIOD: time:%Ld, id:%Ld: period:%Ld\n",
1083 (void *)(offset
+ head
),
1084 (void *)(long)(event
->header
.size
),
1087 event
->period
.sample_period
);
1093 process_event(event_t
*event
, unsigned long offset
, unsigned long head
)
1095 if (event
->header
.misc
& PERF_EVENT_MISC_OVERFLOW
)
1096 return process_overflow_event(event
, offset
, head
);
1098 switch (event
->header
.type
) {
1099 case PERF_EVENT_MMAP
:
1100 return process_mmap_event(event
, offset
, head
);
1102 case PERF_EVENT_COMM
:
1103 return process_comm_event(event
, offset
, head
);
1105 case PERF_EVENT_FORK
:
1106 return process_fork_event(event
, offset
, head
);
1108 case PERF_EVENT_PERIOD
:
1109 return process_period_event(event
, offset
, head
);
1111 * We dont process them right now but they are fine:
1114 case PERF_EVENT_THROTTLE
:
1115 case PERF_EVENT_UNTHROTTLE
:
1125 static int __cmd_report(void)
1127 int ret
, rc
= EXIT_FAILURE
;
1128 unsigned long offset
= 0;
1129 unsigned long head
= 0;
1135 register_idle_thread();
1137 input
= open(input_name
, O_RDONLY
);
1139 fprintf(stderr
, " failed to open file: %s", input_name
);
1140 if (!strcmp(input_name
, "perf.data"))
1141 fprintf(stderr
, " (try 'perf record' first)");
1142 fprintf(stderr
, "\n");
1146 ret
= fstat(input
, &stat
);
1148 perror("failed to stat file");
1152 if (!stat
.st_size
) {
1153 fprintf(stderr
, "zero-sized file, nothing to do!\n");
1157 if (load_kernel() < 0) {
1158 perror("failed to load kernel symbols");
1159 return EXIT_FAILURE
;
1163 if (getcwd(__cwd
, sizeof(__cwd
)) == NULL
) {
1164 perror("failed to get the current directory");
1165 return EXIT_FAILURE
;
1167 cwdlen
= strlen(cwd
);
1173 buf
= (char *)mmap(NULL
, page_size
* mmap_window
, PROT_READ
,
1174 MAP_SHARED
, input
, offset
);
1175 if (buf
== MAP_FAILED
) {
1176 perror("failed to mmap file");
1181 event
= (event_t
*)(buf
+ head
);
1183 size
= event
->header
.size
;
1187 if (head
+ event
->header
.size
>= page_size
* mmap_window
) {
1188 unsigned long shift
= page_size
* (head
/ page_size
);
1191 ret
= munmap(buf
, page_size
* mmap_window
);
1199 size
= event
->header
.size
;
1201 dprintf("%p [%p]: event: %d\n",
1202 (void *)(offset
+ head
),
1203 (void *)(long)event
->header
.size
,
1204 event
->header
.type
);
1206 if (!size
|| process_event(event
, offset
, head
) < 0) {
1208 dprintf("%p [%p]: skipping unknown header type: %d\n",
1209 (void *)(offset
+ head
),
1210 (void *)(long)(event
->header
.size
),
1211 event
->header
.type
);
1216 * assume we lost track of the stream, check alignment, and
1217 * increment a single u64 in the hope to catch on again 'soon'.
1220 if (unlikely(head
& 7))
1228 if (offset
+ head
< stat
.st_size
)
1234 dprintf(" IP events: %10ld\n", total
);
1235 dprintf(" mmap events: %10ld\n", total_mmap
);
1236 dprintf(" comm events: %10ld\n", total_comm
);
1237 dprintf(" fork events: %10ld\n", total_fork
);
1238 dprintf(" unknown events: %10ld\n", total_unknown
);
1244 threads__fprintf(stdout
);
1247 dsos__fprintf(stdout
);
1251 output__fprintf(stdout
, total
);
1256 static const char * const report_usage
[] = {
1257 "perf report [<options>] <command>",
1261 static const struct option options
[] = {
1262 OPT_STRING('i', "input", &input_name
, "file",
1264 OPT_BOOLEAN('v', "verbose", &verbose
,
1265 "be more verbose (show symbol address, etc)"),
1266 OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace
,
1267 "dump raw trace in ASCII"),
1268 OPT_STRING('k', "vmlinux", &vmlinux
, "file", "vmlinux pathname"),
1269 OPT_STRING('s', "sort", &sort_order
, "key[,key2...]",
1270 "sort by key(s): pid, comm, dso, symbol. Default: pid,symbol"),
1271 OPT_BOOLEAN('P', "full-paths", &full_paths
,
1272 "Don't shorten the pathnames taking into account the cwd"),
1276 static void setup_sorting(void)
1278 char *tmp
, *tok
, *str
= strdup(sort_order
);
1280 for (tok
= strtok_r(str
, ", ", &tmp
);
1281 tok
; tok
= strtok_r(NULL
, ", ", &tmp
)) {
1282 if (sort_dimension__add(tok
) < 0) {
1283 error("Unknown --sort key: `%s'", tok
);
1284 usage_with_options(report_usage
, options
);
1291 int cmd_report(int argc
, const char **argv
, const char *prefix
)
1295 page_size
= getpagesize();
1297 argc
= parse_options(argc
, argv
, options
, report_usage
, 0);
1302 * Any (unrecognized) arguments left?
1305 usage_with_options(report_usage
, options
);
1309 return __cmd_report();