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c906108c | 1 | /* Default profiling support. |
c5a57081 JB |
2 | Copyright (C) 1996-1998, 2000-2001, 2007-2012 Free Software |
3 | Foundation, Inc. | |
c906108c SS |
4 | Contributed by Cygnus Support. |
5 | ||
6 | This file is part of GDB, the GNU debugger. | |
7 | ||
8 | This program is free software; you can redistribute it and/or modify | |
9 | it under the terms of the GNU General Public License as published by | |
4744ac1b JB |
10 | the Free Software Foundation; either version 3 of the License, or |
11 | (at your option) any later version. | |
c906108c SS |
12 | |
13 | This program is distributed in the hope that it will be useful, | |
14 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | GNU General Public License for more details. | |
17 | ||
4744ac1b JB |
18 | You should have received a copy of the GNU General Public License |
19 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ | |
c906108c SS |
20 | |
21 | #include "sim-main.h" | |
22 | #include "sim-io.h" | |
23 | #include "sim-options.h" | |
24 | #include "sim-assert.h" | |
25 | ||
26 | #ifdef HAVE_STDLIB_H | |
27 | #include <stdlib.h> | |
28 | #endif | |
29 | ||
30 | #ifdef HAVE_STRING_H | |
31 | #include <string.h> | |
32 | #else | |
33 | #ifdef HAVE_STRINGS_H | |
34 | #include <strings.h> | |
35 | #endif | |
36 | #endif | |
09032128 | 37 | #include <ctype.h> |
c906108c | 38 | |
5be229c0 MF |
39 | #if !WITH_PROFILE_PC_P |
40 | static unsigned int _profile_stub; | |
41 | # define PROFILE_PC_FREQ(p) _profile_stub | |
42 | # define PROFILE_PC_NR_BUCKETS(p) _profile_stub | |
43 | # define PROFILE_PC_SHIFT(p) _profile_stub | |
44 | # define PROFILE_PC_START(p) _profile_stub | |
45 | # define PROFILE_PC_END(p) _profile_stub | |
46 | # define PROFILE_INSN_COUNT(p) &_profile_stub | |
47 | #endif | |
48 | ||
c906108c SS |
49 | #define COMMAS(n) sim_add_commas (comma_buf, sizeof (comma_buf), (n)) |
50 | ||
51 | static MODULE_INIT_FN profile_init; | |
52 | static MODULE_UNINSTALL_FN profile_uninstall; | |
53 | ||
54 | static DECLARE_OPTION_HANDLER (profile_option_handler); | |
55 | ||
56 | enum { | |
57 | OPTION_PROFILE_INSN = OPTION_START, | |
58 | OPTION_PROFILE_MEMORY, | |
59 | OPTION_PROFILE_MODEL, | |
60 | OPTION_PROFILE_FILE, | |
61 | OPTION_PROFILE_CORE, | |
09032128 | 62 | OPTION_PROFILE_CPU_FREQUENCY, |
c906108c SS |
63 | OPTION_PROFILE_PC, |
64 | OPTION_PROFILE_PC_RANGE, | |
65 | OPTION_PROFILE_PC_GRANULARITY, | |
66 | OPTION_PROFILE_RANGE, | |
67 | OPTION_PROFILE_FUNCTION | |
68 | }; | |
69 | ||
70 | static const OPTION profile_options[] = { | |
71 | { {"profile", optional_argument, NULL, 'p'}, | |
72 | 'p', "on|off", "Perform profiling", | |
21cf617c | 73 | profile_option_handler, NULL }, |
c906108c SS |
74 | { {"profile-insn", optional_argument, NULL, OPTION_PROFILE_INSN}, |
75 | '\0', "on|off", "Perform instruction profiling", | |
21cf617c | 76 | profile_option_handler, NULL }, |
c906108c SS |
77 | { {"profile-memory", optional_argument, NULL, OPTION_PROFILE_MEMORY}, |
78 | '\0', "on|off", "Perform memory profiling", | |
21cf617c | 79 | profile_option_handler, NULL }, |
c906108c SS |
80 | { {"profile-core", optional_argument, NULL, OPTION_PROFILE_CORE}, |
81 | '\0', "on|off", "Perform CORE profiling", | |
21cf617c | 82 | profile_option_handler, NULL }, |
c906108c SS |
83 | { {"profile-model", optional_argument, NULL, OPTION_PROFILE_MODEL}, |
84 | '\0', "on|off", "Perform model profiling", | |
21cf617c | 85 | profile_option_handler, NULL }, |
09032128 DB |
86 | { {"profile-cpu-frequency", required_argument, NULL, |
87 | OPTION_PROFILE_CPU_FREQUENCY}, | |
88 | '\0', "CPU FREQUENCY", "Specify the speed of the simulated cpu clock", | |
21cf617c | 89 | profile_option_handler, NULL }, |
c906108c SS |
90 | |
91 | { {"profile-file", required_argument, NULL, OPTION_PROFILE_FILE}, | |
92 | '\0', "FILE NAME", "Specify profile output file", | |
21cf617c | 93 | profile_option_handler, NULL }, |
c906108c SS |
94 | |
95 | { {"profile-pc", optional_argument, NULL, OPTION_PROFILE_PC}, | |
96 | '\0', "on|off", "Perform PC profiling", | |
21cf617c | 97 | profile_option_handler, NULL }, |
c906108c SS |
98 | { {"profile-pc-frequency", required_argument, NULL, 'F'}, |
99 | 'F', "PC PROFILE FREQUENCY", "Specified PC profiling frequency", | |
21cf617c | 100 | profile_option_handler, NULL }, |
c906108c SS |
101 | { {"profile-pc-size", required_argument, NULL, 'S'}, |
102 | 'S', "PC PROFILE SIZE", "Specify PC profiling size", | |
21cf617c | 103 | profile_option_handler, NULL }, |
c906108c SS |
104 | { {"profile-pc-granularity", required_argument, NULL, OPTION_PROFILE_PC_GRANULARITY}, |
105 | '\0', "PC PROFILE GRANULARITY", "Specify PC profiling sample coverage", | |
21cf617c | 106 | profile_option_handler, NULL }, |
c906108c SS |
107 | { {"profile-pc-range", required_argument, NULL, OPTION_PROFILE_PC_RANGE}, |
108 | '\0', "BASE,BOUND", "Specify PC profiling address range", | |
21cf617c | 109 | profile_option_handler, NULL }, |
c906108c SS |
110 | |
111 | #ifdef SIM_HAVE_ADDR_RANGE | |
112 | { {"profile-range", required_argument, NULL, OPTION_PROFILE_RANGE}, | |
113 | '\0', "START,END", "Specify range of addresses for instruction and model profiling", | |
21cf617c | 114 | profile_option_handler, NULL }, |
c906108c SS |
115 | #if 0 /*wip*/ |
116 | { {"profile-function", required_argument, NULL, OPTION_PROFILE_FUNCTION}, | |
117 | '\0', "FUNCTION", "Specify function to profile", | |
21cf617c | 118 | profile_option_handler, NULL }, |
c906108c SS |
119 | #endif |
120 | #endif | |
121 | ||
21cf617c | 122 | { {NULL, no_argument, NULL, 0}, '\0', NULL, NULL, NULL, NULL } |
c906108c SS |
123 | }; |
124 | ||
125 | /* Set/reset the profile options indicated in MASK. */ | |
126 | ||
ed9a39eb | 127 | SIM_RC |
c906108c SS |
128 | set_profile_option_mask (SIM_DESC sd, const char *name, int mask, const char *arg) |
129 | { | |
130 | int profile_nr; | |
131 | int cpu_nr; | |
132 | int profile_val = 1; | |
133 | ||
134 | if (arg != NULL) | |
135 | { | |
136 | if (strcmp (arg, "yes") == 0 | |
137 | || strcmp (arg, "on") == 0 | |
138 | || strcmp (arg, "1") == 0) | |
139 | profile_val = 1; | |
140 | else if (strcmp (arg, "no") == 0 | |
141 | || strcmp (arg, "off") == 0 | |
142 | || strcmp (arg, "0") == 0) | |
143 | profile_val = 0; | |
144 | else | |
145 | { | |
146 | sim_io_eprintf (sd, "Argument `%s' for `--profile%s' invalid, one of `on', `off', `yes', `no' expected\n", arg, name); | |
147 | return SIM_RC_FAIL; | |
148 | } | |
149 | } | |
150 | ||
151 | /* update applicable profile bits */ | |
152 | for (profile_nr = 0; profile_nr < MAX_PROFILE_VALUES; ++profile_nr) | |
153 | { | |
154 | if ((mask & (1 << profile_nr)) == 0) | |
155 | continue; | |
156 | ||
157 | #if 0 /* see sim-trace.c, set flags in STATE here if/when there are any */ | |
158 | /* Set non-cpu specific values. */ | |
159 | switch (profile_nr) | |
160 | { | |
161 | case ??? : | |
162 | break; | |
163 | } | |
164 | #endif | |
165 | ||
166 | /* Set cpu values. */ | |
167 | for (cpu_nr = 0; cpu_nr < MAX_NR_PROCESSORS; cpu_nr++) | |
168 | { | |
169 | CPU_PROFILE_FLAGS (STATE_CPU (sd, cpu_nr))[profile_nr] = profile_val; | |
170 | } | |
171 | } | |
172 | ||
173 | /* Re-compute the cpu profile summary. */ | |
174 | if (profile_val) | |
175 | { | |
176 | for (cpu_nr = 0; cpu_nr < MAX_NR_PROCESSORS; cpu_nr++) | |
177 | CPU_PROFILE_DATA (STATE_CPU (sd, cpu_nr))->profile_any_p = 1; | |
178 | } | |
179 | else | |
180 | { | |
181 | for (cpu_nr = 0; cpu_nr < MAX_NR_PROCESSORS; cpu_nr++) | |
182 | { | |
183 | CPU_PROFILE_DATA (STATE_CPU (sd, cpu_nr))->profile_any_p = 0; | |
184 | for (profile_nr = 0; profile_nr < MAX_PROFILE_VALUES; ++profile_nr) | |
185 | { | |
186 | if (CPU_PROFILE_FLAGS (STATE_CPU (sd, cpu_nr))[profile_nr]) | |
187 | { | |
188 | CPU_PROFILE_DATA (STATE_CPU (sd, cpu_nr))->profile_any_p = 1; | |
189 | break; | |
190 | } | |
191 | } | |
192 | } | |
028f6515 | 193 | } |
c906108c SS |
194 | |
195 | return SIM_RC_OK; | |
196 | } | |
197 | ||
198 | /* Set one profile option based on its IDX value. | |
199 | Not static as cgen-scache.c uses it. */ | |
200 | ||
201 | SIM_RC | |
202 | sim_profile_set_option (SIM_DESC sd, const char *name, int idx, const char *arg) | |
203 | { | |
204 | return set_profile_option_mask (sd, name, 1 << idx, arg); | |
205 | } | |
206 | ||
09032128 DB |
207 | static SIM_RC |
208 | parse_frequency (SIM_DESC sd, const char *arg, unsigned long *freq) | |
209 | { | |
210 | const char *ch; | |
211 | /* First, parse a decimal number. */ | |
212 | *freq = 0; | |
213 | ch = arg; | |
214 | if (isdigit (*arg)) | |
215 | { | |
216 | for (/**/; *ch != '\0'; ++ch) | |
217 | { | |
218 | if (! isdigit (*ch)) | |
219 | break; | |
220 | *freq = *freq * 10 + (*ch - '0'); | |
221 | } | |
222 | ||
223 | /* Accept KHz, MHz or Hz as a suffix. */ | |
224 | if (tolower (*ch) == 'm') | |
225 | { | |
226 | *freq *= 1000000; | |
227 | ++ch; | |
228 | } | |
229 | else if (tolower (*ch) == 'k') | |
230 | { | |
231 | *freq *= 1000; | |
232 | ++ch; | |
233 | } | |
234 | ||
235 | if (tolower (*ch) == 'h') | |
236 | { | |
237 | ++ch; | |
238 | if (tolower (*ch) == 'z') | |
239 | ++ch; | |
240 | } | |
241 | } | |
242 | ||
243 | if (*ch != '\0') | |
244 | { | |
245 | sim_io_eprintf (sd, "Invalid argument for --profile-cpu-frequency: %s\n", | |
246 | arg); | |
247 | *freq = 0; | |
248 | return SIM_RC_FAIL; | |
249 | } | |
250 | ||
251 | return SIM_RC_OK; | |
252 | } | |
253 | ||
c906108c SS |
254 | static SIM_RC |
255 | profile_option_handler (SIM_DESC sd, | |
256 | sim_cpu *cpu, | |
257 | int opt, | |
258 | char *arg, | |
259 | int is_command) | |
260 | { | |
cdc2a5c3 | 261 | int cpu_nr; |
c906108c SS |
262 | |
263 | /* FIXME: Need to handle `cpu' arg. */ | |
264 | ||
265 | switch (opt) | |
266 | { | |
267 | case 'p' : | |
268 | if (! WITH_PROFILE) | |
269 | sim_io_eprintf (sd, "Profiling not compiled in, `-p' ignored\n"); | |
270 | else | |
271 | return set_profile_option_mask (sd, "profile", PROFILE_USEFUL_MASK, | |
272 | arg); | |
273 | break; | |
274 | ||
275 | case OPTION_PROFILE_INSN : | |
276 | if (WITH_PROFILE_INSN_P) | |
277 | return sim_profile_set_option (sd, "-insn", PROFILE_INSN_IDX, arg); | |
278 | else | |
279 | sim_io_eprintf (sd, "Instruction profiling not compiled in, `--profile-insn' ignored\n"); | |
280 | break; | |
281 | ||
282 | case OPTION_PROFILE_MEMORY : | |
283 | if (WITH_PROFILE_MEMORY_P) | |
284 | return sim_profile_set_option (sd, "-memory", PROFILE_MEMORY_IDX, arg); | |
285 | else | |
286 | sim_io_eprintf (sd, "Memory profiling not compiled in, `--profile-memory' ignored\n"); | |
287 | break; | |
288 | ||
289 | case OPTION_PROFILE_CORE : | |
290 | if (WITH_PROFILE_CORE_P) | |
291 | return sim_profile_set_option (sd, "-core", PROFILE_CORE_IDX, arg); | |
292 | else | |
293 | sim_io_eprintf (sd, "CORE profiling not compiled in, `--profile-core' ignored\n"); | |
294 | break; | |
295 | ||
296 | case OPTION_PROFILE_MODEL : | |
297 | if (WITH_PROFILE_MODEL_P) | |
298 | return sim_profile_set_option (sd, "-model", PROFILE_MODEL_IDX, arg); | |
299 | else | |
300 | sim_io_eprintf (sd, "Model profiling not compiled in, `--profile-model' ignored\n"); | |
301 | break; | |
302 | ||
09032128 DB |
303 | case OPTION_PROFILE_CPU_FREQUENCY : |
304 | { | |
305 | unsigned long val; | |
306 | SIM_RC rc = parse_frequency (sd, arg, &val); | |
307 | if (rc == SIM_RC_OK) | |
308 | { | |
309 | for (cpu_nr = 0; cpu_nr < MAX_NR_PROCESSORS; ++cpu_nr) | |
310 | PROFILE_CPU_FREQ (CPU_PROFILE_DATA (STATE_CPU (sd,cpu_nr))) = val; | |
311 | } | |
312 | return rc; | |
313 | } | |
314 | ||
c906108c SS |
315 | case OPTION_PROFILE_FILE : |
316 | /* FIXME: Might want this to apply to pc profiling only, | |
317 | or have two profile file options. */ | |
318 | if (! WITH_PROFILE) | |
319 | sim_io_eprintf (sd, "Profiling not compiled in, `--profile-file' ignored\n"); | |
320 | else | |
321 | { | |
322 | FILE *f = fopen (arg, "w"); | |
323 | ||
324 | if (f == NULL) | |
325 | { | |
326 | sim_io_eprintf (sd, "Unable to open profile output file `%s'\n", arg); | |
327 | return SIM_RC_FAIL; | |
328 | } | |
329 | for (cpu_nr = 0; cpu_nr < MAX_NR_PROCESSORS; ++cpu_nr) | |
330 | PROFILE_FILE (CPU_PROFILE_DATA (STATE_CPU (sd, cpu_nr))) = f; | |
331 | } | |
332 | break; | |
333 | ||
334 | case OPTION_PROFILE_PC: | |
335 | if (WITH_PROFILE_PC_P) | |
336 | return sim_profile_set_option (sd, "-pc", PROFILE_PC_IDX, arg); | |
337 | else | |
338 | sim_io_eprintf (sd, "PC profiling not compiled in, `--profile-pc' ignored\n"); | |
339 | break; | |
340 | ||
341 | case 'F' : | |
342 | if (WITH_PROFILE_PC_P) | |
343 | { | |
344 | /* FIXME: Validate arg. */ | |
345 | int val = atoi (arg); | |
346 | for (cpu_nr = 0; cpu_nr < MAX_NR_PROCESSORS; ++cpu_nr) | |
347 | PROFILE_PC_FREQ (CPU_PROFILE_DATA (STATE_CPU (sd, cpu_nr))) = val; | |
348 | for (cpu_nr = 0; cpu_nr < MAX_NR_PROCESSORS; ++cpu_nr) | |
349 | CPU_PROFILE_FLAGS (STATE_CPU (sd, cpu_nr))[PROFILE_PC_IDX] = 1; | |
350 | } | |
351 | else | |
352 | sim_io_eprintf (sd, "PC profiling not compiled in, `--profile-pc-frequency' ignored\n"); | |
353 | break; | |
354 | ||
355 | case 'S' : | |
356 | if (WITH_PROFILE_PC_P) | |
357 | { | |
358 | /* FIXME: Validate arg. */ | |
359 | int val = atoi (arg); | |
360 | for (cpu_nr = 0; cpu_nr < MAX_NR_PROCESSORS; ++cpu_nr) | |
361 | PROFILE_PC_NR_BUCKETS (CPU_PROFILE_DATA (STATE_CPU (sd, cpu_nr))) = val; | |
362 | for (cpu_nr = 0; cpu_nr < MAX_NR_PROCESSORS; ++cpu_nr) | |
363 | CPU_PROFILE_FLAGS (STATE_CPU (sd, cpu_nr))[PROFILE_PC_IDX] = 1; | |
364 | } | |
365 | else | |
366 | sim_io_eprintf (sd, "PC profiling not compiled in, `--profile-pc-size' ignored\n"); | |
367 | break; | |
368 | ||
369 | case OPTION_PROFILE_PC_GRANULARITY: | |
370 | if (WITH_PROFILE_PC_P) | |
371 | { | |
372 | int shift; | |
373 | int val = atoi (arg); | |
374 | /* check that the granularity is a power of two */ | |
375 | shift = 0; | |
376 | while (val > (1 << shift)) | |
377 | { | |
378 | shift += 1; | |
379 | } | |
380 | if (val != (1 << shift)) | |
381 | { | |
382 | sim_io_eprintf (sd, "PC profiling granularity not a power of two\n"); | |
383 | return SIM_RC_FAIL; | |
384 | } | |
385 | if (shift == 0) | |
386 | { | |
387 | sim_io_eprintf (sd, "PC profiling granularity too small"); | |
388 | return SIM_RC_FAIL; | |
389 | } | |
390 | for (cpu_nr = 0; cpu_nr < MAX_NR_PROCESSORS; ++cpu_nr) | |
391 | PROFILE_PC_SHIFT (CPU_PROFILE_DATA (STATE_CPU (sd, cpu_nr))) = shift; | |
392 | for (cpu_nr = 0; cpu_nr < MAX_NR_PROCESSORS; ++cpu_nr) | |
393 | CPU_PROFILE_FLAGS (STATE_CPU (sd, cpu_nr))[PROFILE_PC_IDX] = 1; | |
394 | } | |
395 | else | |
396 | sim_io_eprintf (sd, "PC profiling not compiled in, `--profile-pc-granularity' ignored\n"); | |
397 | break; | |
398 | ||
399 | case OPTION_PROFILE_PC_RANGE: | |
400 | if (WITH_PROFILE_PC_P) | |
401 | { | |
402 | /* FIXME: Validate args */ | |
403 | char *chp = arg; | |
404 | unsigned long base; | |
405 | unsigned long bound; | |
406 | base = strtoul (chp, &chp, 0); | |
407 | if (*chp != ',') | |
408 | { | |
409 | sim_io_eprintf (sd, "--profile-pc-range missing BOUND argument\n"); | |
410 | return SIM_RC_FAIL; | |
411 | } | |
412 | bound = strtoul (chp + 1, NULL, 0); | |
413 | for (cpu_nr = 0; cpu_nr < MAX_NR_PROCESSORS; ++cpu_nr) | |
414 | { | |
415 | PROFILE_PC_START (CPU_PROFILE_DATA (STATE_CPU (sd, cpu_nr))) = base; | |
416 | PROFILE_PC_END (CPU_PROFILE_DATA (STATE_CPU (sd, cpu_nr))) = bound; | |
028f6515 | 417 | } |
c906108c SS |
418 | for (cpu_nr = 0; cpu_nr < MAX_NR_PROCESSORS; ++cpu_nr) |
419 | CPU_PROFILE_FLAGS (STATE_CPU (sd, cpu_nr))[PROFILE_PC_IDX] = 1; | |
420 | } | |
421 | else | |
422 | sim_io_eprintf (sd, "PC profiling not compiled in, `--profile-pc-range' ignored\n"); | |
423 | break; | |
424 | ||
425 | #ifdef SIM_HAVE_ADDR_RANGE | |
426 | case OPTION_PROFILE_RANGE : | |
427 | if (WITH_PROFILE) | |
428 | { | |
429 | char *chp = arg; | |
430 | unsigned long start,end; | |
431 | start = strtoul (chp, &chp, 0); | |
432 | if (*chp != ',') | |
433 | { | |
434 | sim_io_eprintf (sd, "--profile-range missing END argument\n"); | |
435 | return SIM_RC_FAIL; | |
436 | } | |
437 | end = strtoul (chp + 1, NULL, 0); | |
438 | /* FIXME: Argument validation. */ | |
439 | if (cpu != NULL) | |
440 | sim_addr_range_add (PROFILE_RANGE (CPU_PROFILE_DATA (cpu)), | |
441 | start, end); | |
442 | else | |
443 | for (cpu_nr = 0; cpu_nr < MAX_NR_PROCESSORS; ++cpu_nr) | |
444 | sim_addr_range_add (PROFILE_RANGE (CPU_PROFILE_DATA (STATE_CPU (sd, cpu_nr))), | |
445 | start, end); | |
446 | } | |
447 | else | |
448 | sim_io_eprintf (sd, "Profiling not compiled in, `--profile-range' ignored\n"); | |
449 | break; | |
450 | ||
451 | case OPTION_PROFILE_FUNCTION : | |
452 | if (WITH_PROFILE) | |
453 | { | |
454 | /*wip: need to compute function range given name*/ | |
455 | } | |
456 | else | |
457 | sim_io_eprintf (sd, "Profiling not compiled in, `--profile-function' ignored\n"); | |
458 | break; | |
459 | #endif /* SIM_HAVE_ADDR_RANGE */ | |
460 | } | |
461 | ||
462 | return SIM_RC_OK; | |
463 | } | |
464 | \f | |
0d3d2c71 MF |
465 | /* Profiling output hooks. */ |
466 | ||
467 | static void | |
468 | profile_vprintf (SIM_DESC sd, sim_cpu *cpu, const char *fmt, va_list ap) | |
469 | { | |
470 | FILE *fp = PROFILE_FILE (CPU_PROFILE_DATA (cpu)); | |
471 | ||
472 | /* If an output file was given, redirect output to that. */ | |
473 | if (fp != NULL) | |
474 | vfprintf (fp, fmt, ap); | |
475 | else | |
476 | sim_io_evprintf (sd, fmt, ap); | |
477 | } | |
478 | ||
479 | __attribute__ ((format (printf, 3, 4))) | |
480 | static void | |
481 | profile_printf (SIM_DESC sd, sim_cpu *cpu, const char *fmt, ...) | |
482 | { | |
483 | va_list ap; | |
484 | ||
485 | va_start (ap, fmt); | |
486 | profile_vprintf (sd, cpu, fmt, ap); | |
487 | va_end (ap); | |
488 | } | |
489 | \f | |
c906108c SS |
490 | /* PC profiling support */ |
491 | ||
492 | #if WITH_PROFILE_PC_P | |
493 | ||
494 | static void | |
495 | profile_pc_cleanup (SIM_DESC sd) | |
496 | { | |
497 | int n; | |
498 | for (n = 0; n < MAX_NR_PROCESSORS; n++) | |
499 | { | |
500 | sim_cpu *cpu = STATE_CPU (sd, n); | |
501 | PROFILE_DATA *data = CPU_PROFILE_DATA (cpu); | |
502 | if (PROFILE_PC_COUNT (data) != NULL) | |
d79fe0d6 | 503 | free (PROFILE_PC_COUNT (data)); |
c906108c SS |
504 | PROFILE_PC_COUNT (data) = NULL; |
505 | if (PROFILE_PC_EVENT (data) != NULL) | |
506 | sim_events_deschedule (sd, PROFILE_PC_EVENT (data)); | |
507 | PROFILE_PC_EVENT (data) = NULL; | |
508 | } | |
509 | } | |
510 | ||
511 | ||
512 | static void | |
513 | profile_pc_uninstall (SIM_DESC sd) | |
514 | { | |
515 | profile_pc_cleanup (sd); | |
516 | } | |
517 | ||
518 | static void | |
519 | profile_pc_event (SIM_DESC sd, | |
520 | void *data) | |
521 | { | |
522 | sim_cpu *cpu = (sim_cpu*) data; | |
523 | PROFILE_DATA *profile = CPU_PROFILE_DATA (cpu); | |
524 | address_word pc; | |
525 | unsigned i; | |
526 | switch (STATE_WATCHPOINTS (sd)->sizeof_pc) | |
527 | { | |
528 | case 2: pc = *(unsigned_2*)(STATE_WATCHPOINTS (sd)->pc) ; break; | |
529 | case 4: pc = *(unsigned_4*)(STATE_WATCHPOINTS (sd)->pc) ; break; | |
530 | case 8: pc = *(unsigned_8*)(STATE_WATCHPOINTS (sd)->pc) ; break; | |
531 | default: pc = 0; | |
532 | } | |
533 | i = (pc - PROFILE_PC_START (profile)) >> PROFILE_PC_SHIFT (profile); | |
534 | if (i < PROFILE_PC_NR_BUCKETS (profile)) | |
535 | PROFILE_PC_COUNT (profile) [i] += 1; /* Overflow? */ | |
536 | else | |
537 | PROFILE_PC_COUNT (profile) [PROFILE_PC_NR_BUCKETS (profile)] += 1; | |
028f6515 | 538 | PROFILE_PC_EVENT (profile) = |
c906108c SS |
539 | sim_events_schedule (sd, PROFILE_PC_FREQ (profile), profile_pc_event, cpu); |
540 | } | |
541 | ||
542 | static SIM_RC | |
543 | profile_pc_init (SIM_DESC sd) | |
544 | { | |
545 | int n; | |
546 | profile_pc_cleanup (sd); | |
547 | for (n = 0; n < MAX_NR_PROCESSORS; n++) | |
548 | { | |
549 | sim_cpu *cpu = STATE_CPU (sd, n); | |
550 | PROFILE_DATA *data = CPU_PROFILE_DATA (cpu); | |
551 | if (CPU_PROFILE_FLAGS (STATE_CPU (sd, n))[PROFILE_PC_IDX] | |
552 | && STATE_WATCHPOINTS (sd)->pc != NULL) | |
553 | { | |
554 | int bucket_size; | |
555 | /* fill in the frequency if not specified */ | |
556 | if (PROFILE_PC_FREQ (data) == 0) | |
41ec9f20 | 557 | PROFILE_PC_FREQ (data) = 257; |
c906108c SS |
558 | /* fill in the start/end if not specified */ |
559 | if (PROFILE_PC_END (data) == 0) | |
560 | { | |
561 | PROFILE_PC_START (data) = STATE_TEXT_START (sd); | |
562 | PROFILE_PC_END (data) = STATE_TEXT_END (sd); | |
563 | } | |
564 | /* Compute the number of buckets if not specified. */ | |
565 | if (PROFILE_PC_NR_BUCKETS (data) == 0) | |
566 | { | |
567 | if (PROFILE_PC_BUCKET_SIZE (data) == 0) | |
568 | PROFILE_PC_NR_BUCKETS (data) = 16; | |
569 | else | |
570 | { | |
571 | if (PROFILE_PC_END (data) == 0) | |
572 | { | |
573 | /* nr_buckets = (full-address-range / 2) / (bucket_size / 2) */ | |
574 | PROFILE_PC_NR_BUCKETS (data) = | |
575 | ((1 << (STATE_WATCHPOINTS (sd)->sizeof_pc) * (8 - 1)) | |
576 | / (PROFILE_PC_BUCKET_SIZE (data) / 2)); | |
577 | } | |
578 | else | |
579 | { | |
580 | PROFILE_PC_NR_BUCKETS (data) = | |
581 | ((PROFILE_PC_END (data) | |
582 | - PROFILE_PC_START (data) | |
583 | + PROFILE_PC_BUCKET_SIZE (data) - 1) | |
584 | / PROFILE_PC_BUCKET_SIZE (data)); | |
585 | } | |
586 | } | |
587 | } | |
588 | /* Compute the bucket size if not specified. Ensure that it | |
589 | is rounded up to the next power of two */ | |
590 | if (PROFILE_PC_BUCKET_SIZE (data) == 0) | |
591 | { | |
592 | if (PROFILE_PC_END (data) == 0) | |
593 | /* bucket_size = (full-address-range / 2) / (nr_buckets / 2) */ | |
594 | bucket_size = ((1 << ((STATE_WATCHPOINTS (sd)->sizeof_pc * 8) - 1)) | |
595 | / (PROFILE_PC_NR_BUCKETS (data) / 2)); | |
596 | else | |
597 | bucket_size = ((PROFILE_PC_END (data) | |
598 | - PROFILE_PC_START (data) | |
599 | + PROFILE_PC_NR_BUCKETS (data) - 1) | |
600 | / PROFILE_PC_NR_BUCKETS (data)); | |
601 | PROFILE_PC_SHIFT (data) = 0; | |
c43ad8eb | 602 | while (bucket_size > PROFILE_PC_BUCKET_SIZE (data)) |
c906108c SS |
603 | { |
604 | PROFILE_PC_SHIFT (data) += 1; | |
605 | } | |
606 | } | |
607 | /* Align the end address with bucket size */ | |
608 | if (PROFILE_PC_END (data) != 0) | |
609 | PROFILE_PC_END (data) = (PROFILE_PC_START (data) | |
610 | + (PROFILE_PC_BUCKET_SIZE (data) | |
611 | * PROFILE_PC_NR_BUCKETS (data))); | |
612 | /* create the relevant buffers */ | |
613 | PROFILE_PC_COUNT (data) = | |
614 | NZALLOC (unsigned, PROFILE_PC_NR_BUCKETS (data) + 1); | |
615 | PROFILE_PC_EVENT (data) = | |
616 | sim_events_schedule (sd, | |
617 | PROFILE_PC_FREQ (data), | |
618 | profile_pc_event, | |
619 | cpu); | |
620 | } | |
621 | } | |
622 | return SIM_RC_OK; | |
623 | } | |
624 | ||
625 | static void | |
626 | profile_print_pc (sim_cpu *cpu, int verbose) | |
627 | { | |
628 | SIM_DESC sd = CPU_STATE (cpu); | |
629 | PROFILE_DATA *profile = CPU_PROFILE_DATA (cpu); | |
630 | char comma_buf[20]; | |
631 | unsigned max_val; | |
632 | unsigned total; | |
633 | unsigned i; | |
634 | ||
635 | if (PROFILE_PC_COUNT (profile) == 0) | |
636 | return; | |
637 | ||
0d3d2c71 | 638 | profile_printf (sd, cpu, "Program Counter Statistics:\n\n"); |
c906108c SS |
639 | |
640 | /* First pass over data computes various things. */ | |
641 | max_val = 0; | |
642 | total = 0; | |
643 | for (i = 0; i <= PROFILE_PC_NR_BUCKETS (profile); ++i) | |
644 | { | |
645 | total += PROFILE_PC_COUNT (profile) [i]; | |
646 | if (PROFILE_PC_COUNT (profile) [i] > max_val) | |
647 | max_val = PROFILE_PC_COUNT (profile) [i]; | |
648 | } | |
649 | ||
0d3d2c71 MF |
650 | profile_printf (sd, cpu, " Total samples: %s\n", |
651 | COMMAS (total)); | |
652 | profile_printf (sd, cpu, " Granularity: %s bytes per bucket\n", | |
653 | COMMAS (PROFILE_PC_BUCKET_SIZE (profile))); | |
654 | profile_printf (sd, cpu, " Size: %s buckets\n", | |
655 | COMMAS (PROFILE_PC_NR_BUCKETS (profile))); | |
656 | profile_printf (sd, cpu, " Frequency: %s cycles per sample\n", | |
657 | COMMAS (PROFILE_PC_FREQ (profile))); | |
c906108c SS |
658 | |
659 | if (PROFILE_PC_END (profile) != 0) | |
0d3d2c71 MF |
660 | profile_printf (sd, cpu, " Range: 0x%lx 0x%lx\n", |
661 | (long) PROFILE_PC_START (profile), | |
c906108c SS |
662 | (long) PROFILE_PC_END (profile)); |
663 | ||
664 | if (verbose && max_val != 0) | |
665 | { | |
666 | /* Now we can print the histogram. */ | |
0d3d2c71 | 667 | profile_printf (sd, cpu, "\n"); |
c906108c SS |
668 | for (i = 0; i <= PROFILE_PC_NR_BUCKETS (profile); ++i) |
669 | { | |
670 | if (PROFILE_PC_COUNT (profile) [i] != 0) | |
671 | { | |
0d3d2c71 | 672 | profile_printf (sd, cpu, " "); |
c906108c | 673 | if (i == PROFILE_PC_NR_BUCKETS (profile)) |
0d3d2c71 | 674 | profile_printf (sd, cpu, "%10s:", "overflow"); |
c906108c | 675 | else |
0d3d2c71 MF |
676 | profile_printf (sd, cpu, "0x%08lx:", |
677 | (long) (PROFILE_PC_START (profile) | |
678 | + (i * PROFILE_PC_BUCKET_SIZE (profile)))); | |
679 | profile_printf (sd, cpu, " %*s", | |
680 | max_val < 10000 ? 5 : 10, | |
681 | COMMAS (PROFILE_PC_COUNT (profile) [i])); | |
682 | profile_printf (sd, cpu, " %4.1f", | |
683 | (PROFILE_PC_COUNT (profile) [i] * 100.0) / total); | |
684 | profile_printf (sd, cpu, ": "); | |
685 | sim_profile_print_bar (sd, cpu, PROFILE_HISTOGRAM_WIDTH, | |
c906108c SS |
686 | PROFILE_PC_COUNT (profile) [i], |
687 | max_val); | |
0d3d2c71 | 688 | profile_printf (sd, cpu, "\n"); |
c906108c SS |
689 | } |
690 | } | |
691 | } | |
692 | ||
693 | /* dump the histogram to the file "gmon.out" using BSD's gprof file | |
694 | format */ | |
695 | /* Since a profile data file is in the native format of the host on | |
696 | which the profile is being, endian issues are not considered in | |
697 | the code below. */ | |
698 | /* FIXME: Is this the best place for this code? */ | |
699 | { | |
700 | FILE *pf = fopen ("gmon.out", "wb"); | |
028f6515 | 701 | |
c906108c SS |
702 | if (pf == NULL) |
703 | sim_io_eprintf (sd, "Failed to open \"gmon.out\" profile file\n"); | |
704 | else | |
705 | { | |
706 | int ok; | |
707 | /* FIXME: what if the target has a 64 bit PC? */ | |
708 | unsigned32 header[3]; | |
709 | unsigned loop; | |
710 | if (PROFILE_PC_END (profile) != 0) | |
711 | { | |
712 | header[0] = PROFILE_PC_START (profile); | |
713 | header[1] = PROFILE_PC_END (profile); | |
714 | } | |
715 | else | |
716 | { | |
717 | header[0] = 0; | |
718 | header[1] = 0; | |
719 | } | |
720 | /* size of sample buffer (+ header) */ | |
721 | header[2] = PROFILE_PC_NR_BUCKETS (profile) * 2 + sizeof (header); | |
c43ad8eb BE |
722 | |
723 | /* Header must be written out in target byte order. */ | |
724 | H2T (header[0]); | |
725 | H2T (header[1]); | |
726 | H2T (header[2]); | |
727 | ||
c906108c SS |
728 | ok = fwrite (&header, sizeof (header), 1, pf); |
729 | for (loop = 0; | |
730 | ok && (loop < PROFILE_PC_NR_BUCKETS (profile)); | |
731 | loop++) | |
732 | { | |
733 | signed16 sample; | |
734 | if (PROFILE_PC_COUNT (profile) [loop] >= 0xffff) | |
735 | sample = 0xffff; | |
736 | else | |
737 | sample = PROFILE_PC_COUNT (profile) [loop]; | |
41ec9f20 | 738 | H2T (sample); |
c906108c SS |
739 | ok = fwrite (&sample, sizeof (sample), 1, pf); |
740 | } | |
741 | if (ok == 0) | |
742 | sim_io_eprintf (sd, "Failed to write to \"gmon.out\" profile file\n"); | |
34b47c38 | 743 | fclose (pf); |
c906108c SS |
744 | } |
745 | } | |
746 | ||
0d3d2c71 | 747 | profile_printf (sd, cpu, "\n"); |
c906108c SS |
748 | } |
749 | ||
750 | #endif | |
751 | \f | |
752 | /* Summary printing support. */ | |
753 | ||
754 | #if WITH_PROFILE_INSN_P | |
755 | ||
756 | static SIM_RC | |
757 | profile_insn_init (SIM_DESC sd) | |
758 | { | |
759 | int c; | |
760 | ||
761 | for (c = 0; c < MAX_NR_PROCESSORS; ++c) | |
762 | { | |
763 | sim_cpu *cpu = STATE_CPU (sd, c); | |
764 | ||
765 | if (CPU_MAX_INSNS (cpu) > 0) | |
766 | PROFILE_INSN_COUNT (CPU_PROFILE_DATA (cpu)) = NZALLOC (unsigned int, CPU_MAX_INSNS (cpu)); | |
767 | } | |
768 | ||
769 | return SIM_RC_OK; | |
770 | } | |
771 | ||
772 | static void | |
773 | profile_print_insn (sim_cpu *cpu, int verbose) | |
774 | { | |
775 | unsigned int i, n, total, max_val, max_name_len; | |
776 | SIM_DESC sd = CPU_STATE (cpu); | |
777 | PROFILE_DATA *data = CPU_PROFILE_DATA (cpu); | |
778 | char comma_buf[20]; | |
779 | ||
780 | /* If MAX_INSNS not set, insn profiling isn't supported. */ | |
781 | if (CPU_MAX_INSNS (cpu) == 0) | |
782 | return; | |
783 | ||
0d3d2c71 | 784 | profile_printf (sd, cpu, "Instruction Statistics"); |
c906108c SS |
785 | #ifdef SIM_HAVE_ADDR_RANGE |
786 | if (PROFILE_RANGE (data)->ranges) | |
0d3d2c71 | 787 | profile_printf (sd, cpu, " (for selected address range(s))"); |
c906108c | 788 | #endif |
0d3d2c71 | 789 | profile_printf (sd, cpu, "\n\n"); |
c906108c SS |
790 | |
791 | /* First pass over data computes various things. */ | |
792 | max_val = 0; | |
793 | total = 0; | |
794 | max_name_len = 0; | |
795 | for (i = 0; i < CPU_MAX_INSNS (cpu); ++i) | |
796 | { | |
797 | const char *name = (*CPU_INSN_NAME (cpu)) (cpu, i); | |
798 | ||
799 | if (name == NULL) | |
800 | continue; | |
801 | total += PROFILE_INSN_COUNT (data) [i]; | |
802 | if (PROFILE_INSN_COUNT (data) [i] > max_val) | |
803 | max_val = PROFILE_INSN_COUNT (data) [i]; | |
804 | n = strlen (name); | |
805 | if (n > max_name_len) | |
806 | max_name_len = n; | |
807 | } | |
808 | /* set the total insn count, in case client is being lazy */ | |
809 | if (! PROFILE_TOTAL_INSN_COUNT (data)) | |
810 | PROFILE_TOTAL_INSN_COUNT (data) = total; | |
811 | ||
0d3d2c71 | 812 | profile_printf (sd, cpu, " Total: %s insns\n", COMMAS (total)); |
c906108c SS |
813 | |
814 | if (verbose && max_val != 0) | |
815 | { | |
816 | /* Now we can print the histogram. */ | |
0d3d2c71 | 817 | profile_printf (sd, cpu, "\n"); |
c906108c SS |
818 | for (i = 0; i < CPU_MAX_INSNS (cpu); ++i) |
819 | { | |
820 | const char *name = (*CPU_INSN_NAME (cpu)) (cpu, i); | |
821 | ||
822 | if (name == NULL) | |
823 | continue; | |
824 | if (PROFILE_INSN_COUNT (data) [i] != 0) | |
825 | { | |
0d3d2c71 MF |
826 | profile_printf (sd, cpu, " %*s: %*s: ", |
827 | max_name_len, name, | |
828 | max_val < 10000 ? 5 : 10, | |
829 | COMMAS (PROFILE_INSN_COUNT (data) [i])); | |
830 | sim_profile_print_bar (sd, cpu, PROFILE_HISTOGRAM_WIDTH, | |
c906108c SS |
831 | PROFILE_INSN_COUNT (data) [i], |
832 | max_val); | |
0d3d2c71 | 833 | profile_printf (sd, cpu, "\n"); |
c906108c SS |
834 | } |
835 | } | |
836 | } | |
837 | ||
0d3d2c71 | 838 | profile_printf (sd, cpu, "\n"); |
c906108c SS |
839 | } |
840 | ||
841 | #endif | |
842 | ||
843 | #if WITH_PROFILE_MEMORY_P | |
844 | ||
845 | static void | |
846 | profile_print_memory (sim_cpu *cpu, int verbose) | |
847 | { | |
848 | unsigned int i, n; | |
849 | unsigned int total_read, total_write; | |
850 | unsigned int max_val, max_name_len; | |
851 | /* FIXME: Need to add smp support. */ | |
852 | SIM_DESC sd = CPU_STATE (cpu); | |
853 | PROFILE_DATA *data = CPU_PROFILE_DATA (cpu); | |
854 | char comma_buf[20]; | |
855 | ||
0d3d2c71 | 856 | profile_printf (sd, cpu, "Memory Access Statistics\n\n"); |
c906108c SS |
857 | |
858 | /* First pass over data computes various things. */ | |
859 | max_val = total_read = total_write = max_name_len = 0; | |
860 | for (i = 0; i < MODE_TARGET_MAX; ++i) | |
861 | { | |
862 | total_read += PROFILE_READ_COUNT (data) [i]; | |
863 | total_write += PROFILE_WRITE_COUNT (data) [i]; | |
864 | if (PROFILE_READ_COUNT (data) [i] > max_val) | |
865 | max_val = PROFILE_READ_COUNT (data) [i]; | |
866 | if (PROFILE_WRITE_COUNT (data) [i] > max_val) | |
867 | max_val = PROFILE_WRITE_COUNT (data) [i]; | |
868 | n = strlen (MODE_NAME (i)); | |
869 | if (n > max_name_len) | |
870 | max_name_len = n; | |
871 | } | |
872 | ||
873 | /* One could use PROFILE_LABEL_WIDTH here. I chose not to. */ | |
0d3d2c71 MF |
874 | profile_printf (sd, cpu, " Total read: %s accesses\n", |
875 | COMMAS (total_read)); | |
876 | profile_printf (sd, cpu, " Total write: %s accesses\n", | |
877 | COMMAS (total_write)); | |
c906108c SS |
878 | |
879 | if (verbose && max_val != 0) | |
880 | { | |
881 | /* FIXME: Need to separate instruction fetches from data fetches | |
882 | as the former swamps the latter. */ | |
883 | /* Now we can print the histogram. */ | |
0d3d2c71 | 884 | profile_printf (sd, cpu, "\n"); |
c906108c SS |
885 | for (i = 0; i < MODE_TARGET_MAX; ++i) |
886 | { | |
887 | if (PROFILE_READ_COUNT (data) [i] != 0) | |
888 | { | |
0d3d2c71 MF |
889 | profile_printf (sd, cpu, " %*s read: %*s: ", |
890 | max_name_len, MODE_NAME (i), | |
891 | max_val < 10000 ? 5 : 10, | |
892 | COMMAS (PROFILE_READ_COUNT (data) [i])); | |
893 | sim_profile_print_bar (sd, cpu, PROFILE_HISTOGRAM_WIDTH, | |
c906108c SS |
894 | PROFILE_READ_COUNT (data) [i], |
895 | max_val); | |
0d3d2c71 | 896 | profile_printf (sd, cpu, "\n"); |
c906108c SS |
897 | } |
898 | if (PROFILE_WRITE_COUNT (data) [i] != 0) | |
899 | { | |
0d3d2c71 MF |
900 | profile_printf (sd, cpu, " %*s write: %*s: ", |
901 | max_name_len, MODE_NAME (i), | |
902 | max_val < 10000 ? 5 : 10, | |
903 | COMMAS (PROFILE_WRITE_COUNT (data) [i])); | |
904 | sim_profile_print_bar (sd, cpu, PROFILE_HISTOGRAM_WIDTH, | |
c906108c SS |
905 | PROFILE_WRITE_COUNT (data) [i], |
906 | max_val); | |
0d3d2c71 | 907 | profile_printf (sd, cpu, "\n"); |
c906108c SS |
908 | } |
909 | } | |
910 | } | |
911 | ||
0d3d2c71 | 912 | profile_printf (sd, cpu, "\n"); |
c906108c SS |
913 | } |
914 | ||
915 | #endif | |
916 | ||
917 | #if WITH_PROFILE_CORE_P | |
918 | ||
919 | static void | |
920 | profile_print_core (sim_cpu *cpu, int verbose) | |
921 | { | |
922 | unsigned int total; | |
923 | unsigned int max_val; | |
924 | /* FIXME: Need to add smp support. */ | |
925 | SIM_DESC sd = CPU_STATE (cpu); | |
926 | PROFILE_DATA *data = CPU_PROFILE_DATA (cpu); | |
927 | char comma_buf[20]; | |
928 | ||
0d3d2c71 | 929 | profile_printf (sd, cpu, "CORE Statistics\n\n"); |
c906108c SS |
930 | |
931 | /* First pass over data computes various things. */ | |
932 | { | |
933 | unsigned map; | |
934 | total = 0; | |
935 | max_val = 0; | |
936 | for (map = 0; map < nr_maps; map++) | |
937 | { | |
938 | total += PROFILE_CORE_COUNT (data) [map]; | |
939 | if (PROFILE_CORE_COUNT (data) [map] > max_val) | |
940 | max_val = PROFILE_CORE_COUNT (data) [map]; | |
941 | } | |
942 | } | |
943 | ||
944 | /* One could use PROFILE_LABEL_WIDTH here. I chose not to. */ | |
0d3d2c71 MF |
945 | profile_printf (sd, cpu, " Total: %s accesses\n", |
946 | COMMAS (total)); | |
c906108c SS |
947 | |
948 | if (verbose && max_val != 0) | |
949 | { | |
950 | unsigned map; | |
951 | /* Now we can print the histogram. */ | |
0d3d2c71 | 952 | profile_printf (sd, cpu, "\n"); |
c906108c SS |
953 | for (map = 0; map < nr_maps; map++) |
954 | { | |
955 | if (PROFILE_CORE_COUNT (data) [map] != 0) | |
956 | { | |
0d3d2c71 MF |
957 | profile_printf (sd, cpu, "%10s:", map_to_str (map)); |
958 | profile_printf (sd, cpu, "%*s: ", | |
959 | max_val < 10000 ? 5 : 10, | |
960 | COMMAS (PROFILE_CORE_COUNT (data) [map])); | |
961 | sim_profile_print_bar (sd, cpu, PROFILE_HISTOGRAM_WIDTH, | |
c906108c SS |
962 | PROFILE_CORE_COUNT (data) [map], |
963 | max_val); | |
0d3d2c71 | 964 | profile_printf (sd, cpu, "\n"); |
c906108c SS |
965 | } |
966 | } | |
967 | } | |
968 | ||
0d3d2c71 | 969 | profile_printf (sd, cpu, "\n"); |
c906108c SS |
970 | } |
971 | ||
972 | #endif | |
973 | ||
974 | #if WITH_PROFILE_MODEL_P | |
975 | ||
976 | static void | |
977 | profile_print_model (sim_cpu *cpu, int verbose) | |
978 | { | |
979 | SIM_DESC sd = CPU_STATE (cpu); | |
980 | PROFILE_DATA *data = CPU_PROFILE_DATA (cpu); | |
981 | unsigned long cti_stall_cycles = PROFILE_MODEL_CTI_STALL_CYCLES (data); | |
982 | unsigned long load_stall_cycles = PROFILE_MODEL_LOAD_STALL_CYCLES (data); | |
983 | unsigned long total_cycles = PROFILE_MODEL_TOTAL_CYCLES (data); | |
984 | char comma_buf[20]; | |
985 | ||
0d3d2c71 MF |
986 | profile_printf (sd, cpu, "Model %s Timing Information", |
987 | MODEL_NAME (CPU_MODEL (cpu))); | |
c906108c SS |
988 | #ifdef SIM_HAVE_ADDR_RANGE |
989 | if (PROFILE_RANGE (data)->ranges) | |
0d3d2c71 | 990 | profile_printf (sd, cpu, " (for selected address range(s))"); |
c906108c | 991 | #endif |
0d3d2c71 MF |
992 | profile_printf (sd, cpu, "\n\n"); |
993 | profile_printf (sd, cpu, " %-*s %s\n", | |
994 | PROFILE_LABEL_WIDTH, "Taken branches:", | |
995 | COMMAS (PROFILE_MODEL_TAKEN_COUNT (data))); | |
996 | profile_printf (sd, cpu, " %-*s %s\n", | |
997 | PROFILE_LABEL_WIDTH, "Untaken branches:", | |
998 | COMMAS (PROFILE_MODEL_UNTAKEN_COUNT (data))); | |
999 | profile_printf (sd, cpu, " %-*s %s\n", | |
1000 | PROFILE_LABEL_WIDTH, "Cycles stalled due to branches:", | |
1001 | COMMAS (cti_stall_cycles)); | |
1002 | profile_printf (sd, cpu, " %-*s %s\n", | |
1003 | PROFILE_LABEL_WIDTH, "Cycles stalled due to loads:", | |
1004 | COMMAS (load_stall_cycles)); | |
1005 | profile_printf (sd, cpu, " %-*s %s\n", | |
1006 | PROFILE_LABEL_WIDTH, "Total cycles (*approximate*):", | |
1007 | COMMAS (total_cycles)); | |
1008 | profile_printf (sd, cpu, "\n"); | |
c906108c SS |
1009 | } |
1010 | ||
1011 | #endif | |
1012 | ||
1013 | void | |
0d3d2c71 | 1014 | sim_profile_print_bar (SIM_DESC sd, sim_cpu *cpu, unsigned int width, |
c906108c SS |
1015 | unsigned int val, unsigned int max_val) |
1016 | { | |
1017 | unsigned int i, count; | |
1018 | ||
1019 | count = ((double) val / (double) max_val) * (double) width; | |
1020 | ||
1021 | for (i = 0; i < count; ++i) | |
0d3d2c71 | 1022 | profile_printf (sd, cpu, "*"); |
c906108c SS |
1023 | } |
1024 | ||
1025 | /* Print the simulator's execution speed for CPU. */ | |
1026 | ||
1027 | static void | |
1028 | profile_print_speed (sim_cpu *cpu) | |
1029 | { | |
1030 | SIM_DESC sd = CPU_STATE (cpu); | |
1031 | PROFILE_DATA *data = CPU_PROFILE_DATA (cpu); | |
1032 | unsigned long milliseconds = sim_events_elapsed_time (sd); | |
1033 | unsigned long total = PROFILE_TOTAL_INSN_COUNT (data); | |
09032128 DB |
1034 | double clock; |
1035 | double secs; | |
c906108c SS |
1036 | char comma_buf[20]; |
1037 | ||
0d3d2c71 | 1038 | profile_printf (sd, cpu, "Simulator Execution Speed\n\n"); |
c906108c SS |
1039 | |
1040 | if (total != 0) | |
0d3d2c71 | 1041 | profile_printf (sd, cpu, " Total instructions: %s\n", COMMAS (total)); |
c906108c SS |
1042 | |
1043 | if (milliseconds < 1000) | |
0d3d2c71 | 1044 | profile_printf (sd, cpu, " Total execution time: < 1 second\n\n"); |
c906108c SS |
1045 | else |
1046 | { | |
1047 | /* The printing of the time rounded to 2 decimal places makes the speed | |
1048 | calculation seem incorrect [even though it is correct]. So round | |
1049 | MILLISECONDS first. This can marginally affect the result, but it's | |
1050 | better that the user not perceive there's a math error. */ | |
09032128 | 1051 | secs = (double) milliseconds / 1000; |
c906108c | 1052 | secs = ((double) (unsigned long) (secs * 100 + .5)) / 100; |
0d3d2c71 | 1053 | profile_printf (sd, cpu, " Total execution time : %.2f seconds\n", secs); |
c906108c SS |
1054 | /* Don't confuse things with data that isn't useful. |
1055 | If we ran for less than 2 seconds, only use the data if we | |
1056 | executed more than 100,000 insns. */ | |
1057 | if (secs >= 2 || total >= 100000) | |
0d3d2c71 MF |
1058 | profile_printf (sd, cpu, " Simulator speed: %s insns/second\n", |
1059 | COMMAS ((unsigned long) ((double) total / secs))); | |
c906108c | 1060 | } |
09032128 | 1061 | |
09032128 DB |
1062 | /* Print simulated execution time if the cpu frequency has been specified. */ |
1063 | clock = PROFILE_CPU_FREQ (data); | |
1064 | if (clock != 0) | |
1065 | { | |
1066 | if (clock >= 1000000) | |
0d3d2c71 MF |
1067 | profile_printf (sd, cpu, " Simulated cpu frequency: %.2f MHz\n", |
1068 | clock / 1000000); | |
09032128 | 1069 | else |
0d3d2c71 | 1070 | profile_printf (sd, cpu, " Simulated cpu frequency: %.2f Hz\n", clock); |
09032128 | 1071 | |
80dbae7a | 1072 | #if WITH_PROFILE_MODEL_P |
09032128 DB |
1073 | if (PROFILE_FLAGS (data) [PROFILE_MODEL_IDX]) |
1074 | { | |
1075 | /* The printing of the time rounded to 2 decimal places makes the | |
1076 | speed calculation seem incorrect [even though it is correct]. | |
1077 | So round SECS first. This can marginally affect the result, | |
1078 | but it's better that the user not perceive there's a math | |
1079 | error. */ | |
1080 | secs = PROFILE_MODEL_TOTAL_CYCLES (data) / clock; | |
1081 | secs = ((double) (unsigned long) (secs * 100 + .5)) / 100; | |
0d3d2c71 MF |
1082 | profile_printf (sd, cpu, " Simulated execution time: %.2f seconds\n", |
1083 | secs); | |
09032128 | 1084 | } |
09032128 | 1085 | #endif /* WITH_PROFILE_MODEL_P */ |
80dbae7a | 1086 | } |
c906108c SS |
1087 | } |
1088 | ||
739dfd28 | 1089 | #ifdef SIM_HAVE_ADDR_RANGE |
c906108c SS |
1090 | /* Print selected address ranges. */ |
1091 | ||
1092 | static void | |
1093 | profile_print_addr_ranges (sim_cpu *cpu) | |
1094 | { | |
1095 | ADDR_SUBRANGE *asr = PROFILE_RANGE (CPU_PROFILE_DATA (cpu))->ranges; | |
1096 | SIM_DESC sd = CPU_STATE (cpu); | |
1097 | ||
1098 | if (asr) | |
1099 | { | |
0d3d2c71 | 1100 | profile_printf (sd, cpu, "Selected address ranges\n\n"); |
c906108c SS |
1101 | while (asr != NULL) |
1102 | { | |
0d3d2c71 MF |
1103 | profile_printf (sd, cpu, " 0x%lx - 0x%lx\n", |
1104 | (long) asr->start, (long) asr->end); | |
c906108c SS |
1105 | asr = asr->next; |
1106 | } | |
0d3d2c71 | 1107 | profile_printf (sd, cpu, "\n"); |
c906108c SS |
1108 | } |
1109 | } | |
739dfd28 | 1110 | #endif |
c906108c SS |
1111 | |
1112 | /* Top level function to print all summary profile information. | |
1113 | It is [currently] intended that all such data is printed by this function. | |
1114 | I'd rather keep it all in one place for now. To that end, MISC_CPU and | |
1115 | MISC are callbacks used to print any miscellaneous data. | |
1116 | ||
1117 | One might want to add a user option that allows printing by type or by cpu | |
1118 | (i.e. print all insn data for each cpu first, or print data cpu by cpu). | |
1119 | This may be a case of featuritis so it's currently left out. | |
1120 | ||
1121 | Note that results are indented two spaces to distinguish them from | |
1122 | section titles. */ | |
1123 | ||
1124 | static void | |
1125 | profile_info (SIM_DESC sd, int verbose) | |
1126 | { | |
1127 | int i,c; | |
1128 | int print_title_p = 0; | |
1129 | ||
1130 | /* Only print the title if some data has been collected. */ | |
1131 | /* ??? Why don't we just exit if no data collected? */ | |
1132 | /* FIXME: If the number of processors can be selected on the command line, | |
1133 | then MAX_NR_PROCESSORS will need to take an argument of `sd'. */ | |
1134 | ||
f1a81b37 | 1135 | for (c = 0; c < MAX_NR_PROCESSORS && !print_title_p; ++c) |
c906108c SS |
1136 | { |
1137 | sim_cpu *cpu = STATE_CPU (sd, c); | |
1138 | PROFILE_DATA *data = CPU_PROFILE_DATA (cpu); | |
1139 | ||
1140 | for (i = 0; i < MAX_PROFILE_VALUES; ++i) | |
1141 | if (PROFILE_FLAGS (data) [i]) | |
0d3d2c71 MF |
1142 | { |
1143 | profile_printf (sd, cpu, "Summary profiling results:\n\n"); | |
1144 | print_title_p = 1; | |
f1a81b37 | 1145 | break; |
0d3d2c71 | 1146 | } |
c906108c | 1147 | } |
c906108c SS |
1148 | |
1149 | /* Loop, cpu by cpu, printing results. */ | |
1150 | ||
1151 | for (c = 0; c < MAX_NR_PROCESSORS; ++c) | |
1152 | { | |
1153 | sim_cpu *cpu = STATE_CPU (sd, c); | |
1154 | PROFILE_DATA *data = CPU_PROFILE_DATA (cpu); | |
1155 | ||
1156 | if (MAX_NR_PROCESSORS > 1 | |
1157 | && (0 | |
1158 | #if WITH_PROFILE_INSN_P | |
1159 | || PROFILE_FLAGS (data) [PROFILE_INSN_IDX] | |
1160 | #endif | |
1161 | #if WITH_PROFILE_MEMORY_P | |
1162 | || PROFILE_FLAGS (data) [PROFILE_MEMORY_IDX] | |
1163 | #endif | |
1164 | #if WITH_PROFILE_CORE_P | |
1165 | || PROFILE_FLAGS (data) [PROFILE_CORE_IDX] | |
1166 | #endif | |
1167 | #if WITH_PROFILE_MODEL_P | |
1168 | || PROFILE_FLAGS (data) [PROFILE_MODEL_IDX] | |
1169 | #endif | |
1170 | #if WITH_PROFILE_SCACHE_P && WITH_SCACHE | |
1171 | || PROFILE_FLAGS (data) [PROFILE_SCACHE_IDX] | |
1172 | #endif | |
1173 | #if WITH_PROFILE_PC_P | |
1174 | || PROFILE_FLAGS (data) [PROFILE_PC_IDX] | |
1175 | #endif | |
1176 | )) | |
1177 | { | |
0d3d2c71 | 1178 | profile_printf (sd, cpu, "CPU %d\n\n", c); |
c906108c SS |
1179 | } |
1180 | ||
1181 | #ifdef SIM_HAVE_ADDR_RANGE | |
1182 | if (print_title_p | |
1183 | && (PROFILE_INSN_P (cpu) | |
1184 | || PROFILE_MODEL_P (cpu))) | |
1185 | profile_print_addr_ranges (cpu); | |
1186 | #endif | |
1187 | ||
1188 | #if WITH_PROFILE_INSN_P | |
1189 | if (PROFILE_FLAGS (data) [PROFILE_INSN_IDX]) | |
1190 | profile_print_insn (cpu, verbose); | |
1191 | #endif | |
1192 | ||
1193 | #if WITH_PROFILE_MEMORY_P | |
1194 | if (PROFILE_FLAGS (data) [PROFILE_MEMORY_IDX]) | |
1195 | profile_print_memory (cpu, verbose); | |
1196 | #endif | |
1197 | ||
1198 | #if WITH_PROFILE_CORE_P | |
1199 | if (PROFILE_FLAGS (data) [PROFILE_CORE_IDX]) | |
1200 | profile_print_core (cpu, verbose); | |
1201 | #endif | |
1202 | ||
1203 | #if WITH_PROFILE_MODEL_P | |
1204 | if (PROFILE_FLAGS (data) [PROFILE_MODEL_IDX]) | |
1205 | profile_print_model (cpu, verbose); | |
1206 | #endif | |
1207 | ||
1208 | #if WITH_PROFILE_SCACHE_P && WITH_SCACHE | |
1209 | if (PROFILE_FLAGS (data) [PROFILE_SCACHE_IDX]) | |
1210 | scache_print_profile (cpu, verbose); | |
1211 | #endif | |
1212 | ||
1213 | #if WITH_PROFILE_PC_P | |
1214 | if (PROFILE_FLAGS (data) [PROFILE_PC_IDX]) | |
1215 | profile_print_pc (cpu, verbose); | |
1216 | #endif | |
1217 | ||
1218 | /* Print cpu-specific data before the execution speed. */ | |
1219 | if (PROFILE_INFO_CPU_CALLBACK (data) != NULL) | |
1220 | PROFILE_INFO_CPU_CALLBACK (data) (cpu, verbose); | |
1221 | ||
1222 | /* Always try to print execution time and speed. */ | |
1223 | if (verbose | |
1224 | || PROFILE_FLAGS (data) [PROFILE_INSN_IDX]) | |
1225 | profile_print_speed (cpu); | |
1226 | } | |
1227 | ||
1228 | /* Finally print non-cpu specific miscellaneous data. */ | |
1229 | if (STATE_PROFILE_INFO_CALLBACK (sd)) | |
1230 | STATE_PROFILE_INFO_CALLBACK (sd) (sd, verbose); | |
1231 | ||
1232 | } | |
1233 | \f | |
1234 | /* Install profiling support in the simulator. */ | |
1235 | ||
1236 | SIM_RC | |
1237 | profile_install (SIM_DESC sd) | |
1238 | { | |
1239 | int i; | |
1240 | ||
1241 | SIM_ASSERT (STATE_MAGIC (sd) == SIM_MAGIC_NUMBER); | |
1242 | sim_add_option_table (sd, NULL, profile_options); | |
1243 | for (i = 0; i < MAX_NR_PROCESSORS; ++i) | |
1244 | memset (CPU_PROFILE_DATA (STATE_CPU (sd, i)), 0, | |
1245 | sizeof (* CPU_PROFILE_DATA (STATE_CPU (sd, i)))); | |
1246 | #if WITH_PROFILE_INSN_P | |
1247 | sim_module_add_init_fn (sd, profile_insn_init); | |
1248 | #endif | |
1249 | #if WITH_PROFILE_PC_P | |
1250 | sim_module_add_uninstall_fn (sd, profile_pc_uninstall); | |
1251 | sim_module_add_init_fn (sd, profile_pc_init); | |
1252 | #endif | |
1253 | sim_module_add_init_fn (sd, profile_init); | |
1254 | sim_module_add_uninstall_fn (sd, profile_uninstall); | |
1255 | sim_module_add_info_fn (sd, profile_info); | |
1256 | return SIM_RC_OK; | |
1257 | } | |
1258 | ||
1259 | static SIM_RC | |
1260 | profile_init (SIM_DESC sd) | |
1261 | { | |
1262 | #ifdef SIM_HAVE_ADDR_RANGE | |
1263 | /* Check if a range has been specified without specifying what to | |
1264 | collect. */ | |
1265 | { | |
1266 | int i; | |
1267 | ||
1268 | for (i = 0; i < MAX_NR_PROCESSORS; ++i) | |
1269 | { | |
1270 | sim_cpu *cpu = STATE_CPU (sd, i); | |
1271 | ||
1272 | if (ADDR_RANGE_RANGES (PROFILE_RANGE (CPU_PROFILE_DATA (cpu))) | |
1273 | && ! (PROFILE_INSN_P (cpu) | |
1274 | || PROFILE_MODEL_P (cpu))) | |
1275 | { | |
1276 | sim_io_eprintf_cpu (cpu, "Profiling address range specified without --profile-insn or --profile-model.\n"); | |
1277 | sim_io_eprintf_cpu (cpu, "Address range ignored.\n"); | |
1278 | sim_addr_range_delete (PROFILE_RANGE (CPU_PROFILE_DATA (cpu)), | |
1279 | 0, ~ (address_word) 0); | |
1280 | } | |
1281 | } | |
1282 | } | |
1283 | #endif | |
1284 | ||
1285 | return SIM_RC_OK; | |
1286 | } | |
1287 | ||
1288 | static void | |
1289 | profile_uninstall (SIM_DESC sd) | |
1290 | { | |
1291 | int i,j; | |
1292 | ||
1293 | for (i = 0; i < MAX_NR_PROCESSORS; ++i) | |
1294 | { | |
1295 | sim_cpu *cpu = STATE_CPU (sd, i); | |
1296 | PROFILE_DATA *data = CPU_PROFILE_DATA (cpu); | |
1297 | ||
1298 | if (PROFILE_FILE (data) != NULL) | |
1299 | { | |
1300 | /* If output from different cpus is going to the same file, | |
1301 | avoid closing the file twice. */ | |
1302 | for (j = 0; j < i; ++j) | |
1303 | if (PROFILE_FILE (CPU_PROFILE_DATA (STATE_CPU (sd, j))) | |
1304 | == PROFILE_FILE (data)) | |
1305 | break; | |
1306 | if (i == j) | |
1307 | fclose (PROFILE_FILE (data)); | |
1308 | } | |
1309 | ||
1310 | if (PROFILE_INSN_COUNT (data) != NULL) | |
d79fe0d6 | 1311 | free (PROFILE_INSN_COUNT (data)); |
c906108c SS |
1312 | } |
1313 | } |