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c906108c | 1 | /* Default profiling support. |
1d506c26 | 2 | Copyright (C) 1996-2024 Free Software Foundation, Inc. |
c906108c SS |
3 | Contributed by Cygnus Support. |
4 | ||
5 | This file is part of GDB, the GNU debugger. | |
6 | ||
7 | This program is free software; you can redistribute it and/or modify | |
8 | it under the terms of the GNU General Public License as published by | |
4744ac1b JB |
9 | the Free Software Foundation; either version 3 of the License, or |
10 | (at your option) any later version. | |
c906108c SS |
11 | |
12 | This program is distributed in the hope that it will be useful, | |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
16 | ||
4744ac1b JB |
17 | You should have received a copy of the GNU General Public License |
18 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ | |
c906108c | 19 | |
6df01ab8 MF |
20 | /* This must come before any other includes. */ |
21 | #include "defs.h" | |
22 | ||
20a8e078 | 23 | #include <ctype.h> |
2c29882f | 24 | #include <stdarg.h> |
20a8e078 MF |
25 | #include <stdlib.h> |
26 | #include <string.h> | |
27 | ||
843bf754 MF |
28 | #include "ansidecl.h" |
29 | ||
c906108c SS |
30 | #include "sim-main.h" |
31 | #include "sim-io.h" | |
32 | #include "sim-options.h" | |
33 | #include "sim-assert.h" | |
34 | ||
5be229c0 MF |
35 | #if !WITH_PROFILE_PC_P |
36 | static unsigned int _profile_stub; | |
37 | # define PROFILE_PC_FREQ(p) _profile_stub | |
38 | # define PROFILE_PC_NR_BUCKETS(p) _profile_stub | |
39 | # define PROFILE_PC_SHIFT(p) _profile_stub | |
40 | # define PROFILE_PC_START(p) _profile_stub | |
41 | # define PROFILE_PC_END(p) _profile_stub | |
42 | # define PROFILE_INSN_COUNT(p) &_profile_stub | |
43 | #endif | |
44 | ||
c906108c SS |
45 | #define COMMAS(n) sim_add_commas (comma_buf, sizeof (comma_buf), (n)) |
46 | ||
47 | static MODULE_INIT_FN profile_init; | |
48 | static MODULE_UNINSTALL_FN profile_uninstall; | |
49 | ||
50 | static DECLARE_OPTION_HANDLER (profile_option_handler); | |
51 | ||
52 | enum { | |
53 | OPTION_PROFILE_INSN = OPTION_START, | |
54 | OPTION_PROFILE_MEMORY, | |
55 | OPTION_PROFILE_MODEL, | |
56 | OPTION_PROFILE_FILE, | |
57 | OPTION_PROFILE_CORE, | |
09032128 | 58 | OPTION_PROFILE_CPU_FREQUENCY, |
c906108c SS |
59 | OPTION_PROFILE_PC, |
60 | OPTION_PROFILE_PC_RANGE, | |
61 | OPTION_PROFILE_PC_GRANULARITY, | |
62 | OPTION_PROFILE_RANGE, | |
63 | OPTION_PROFILE_FUNCTION | |
64 | }; | |
65 | ||
66 | static const OPTION profile_options[] = { | |
67 | { {"profile", optional_argument, NULL, 'p'}, | |
68 | 'p', "on|off", "Perform profiling", | |
21cf617c | 69 | profile_option_handler, NULL }, |
c906108c SS |
70 | { {"profile-insn", optional_argument, NULL, OPTION_PROFILE_INSN}, |
71 | '\0', "on|off", "Perform instruction profiling", | |
21cf617c | 72 | profile_option_handler, NULL }, |
c906108c SS |
73 | { {"profile-memory", optional_argument, NULL, OPTION_PROFILE_MEMORY}, |
74 | '\0', "on|off", "Perform memory profiling", | |
21cf617c | 75 | profile_option_handler, NULL }, |
c906108c SS |
76 | { {"profile-core", optional_argument, NULL, OPTION_PROFILE_CORE}, |
77 | '\0', "on|off", "Perform CORE profiling", | |
21cf617c | 78 | profile_option_handler, NULL }, |
c906108c SS |
79 | { {"profile-model", optional_argument, NULL, OPTION_PROFILE_MODEL}, |
80 | '\0', "on|off", "Perform model profiling", | |
21cf617c | 81 | profile_option_handler, NULL }, |
09032128 DB |
82 | { {"profile-cpu-frequency", required_argument, NULL, |
83 | OPTION_PROFILE_CPU_FREQUENCY}, | |
84 | '\0', "CPU FREQUENCY", "Specify the speed of the simulated cpu clock", | |
21cf617c | 85 | profile_option_handler, NULL }, |
c906108c SS |
86 | |
87 | { {"profile-file", required_argument, NULL, OPTION_PROFILE_FILE}, | |
88 | '\0', "FILE NAME", "Specify profile output file", | |
21cf617c | 89 | profile_option_handler, NULL }, |
c906108c SS |
90 | |
91 | { {"profile-pc", optional_argument, NULL, OPTION_PROFILE_PC}, | |
92 | '\0', "on|off", "Perform PC profiling", | |
21cf617c | 93 | profile_option_handler, NULL }, |
c906108c SS |
94 | { {"profile-pc-frequency", required_argument, NULL, 'F'}, |
95 | 'F', "PC PROFILE FREQUENCY", "Specified PC profiling frequency", | |
21cf617c | 96 | profile_option_handler, NULL }, |
c906108c SS |
97 | { {"profile-pc-size", required_argument, NULL, 'S'}, |
98 | 'S', "PC PROFILE SIZE", "Specify PC profiling size", | |
21cf617c | 99 | profile_option_handler, NULL }, |
c906108c SS |
100 | { {"profile-pc-granularity", required_argument, NULL, OPTION_PROFILE_PC_GRANULARITY}, |
101 | '\0', "PC PROFILE GRANULARITY", "Specify PC profiling sample coverage", | |
21cf617c | 102 | profile_option_handler, NULL }, |
c906108c SS |
103 | { {"profile-pc-range", required_argument, NULL, OPTION_PROFILE_PC_RANGE}, |
104 | '\0', "BASE,BOUND", "Specify PC profiling address range", | |
21cf617c | 105 | profile_option_handler, NULL }, |
c906108c SS |
106 | |
107 | #ifdef SIM_HAVE_ADDR_RANGE | |
108 | { {"profile-range", required_argument, NULL, OPTION_PROFILE_RANGE}, | |
109 | '\0', "START,END", "Specify range of addresses for instruction and model profiling", | |
21cf617c | 110 | profile_option_handler, NULL }, |
c906108c SS |
111 | #if 0 /*wip*/ |
112 | { {"profile-function", required_argument, NULL, OPTION_PROFILE_FUNCTION}, | |
113 | '\0', "FUNCTION", "Specify function to profile", | |
21cf617c | 114 | profile_option_handler, NULL }, |
c906108c SS |
115 | #endif |
116 | #endif | |
117 | ||
21cf617c | 118 | { {NULL, no_argument, NULL, 0}, '\0', NULL, NULL, NULL, NULL } |
c906108c SS |
119 | }; |
120 | ||
121 | /* Set/reset the profile options indicated in MASK. */ | |
122 | ||
ed9a39eb | 123 | SIM_RC |
c906108c SS |
124 | set_profile_option_mask (SIM_DESC sd, const char *name, int mask, const char *arg) |
125 | { | |
126 | int profile_nr; | |
127 | int cpu_nr; | |
128 | int profile_val = 1; | |
129 | ||
130 | if (arg != NULL) | |
131 | { | |
132 | if (strcmp (arg, "yes") == 0 | |
133 | || strcmp (arg, "on") == 0 | |
134 | || strcmp (arg, "1") == 0) | |
135 | profile_val = 1; | |
136 | else if (strcmp (arg, "no") == 0 | |
137 | || strcmp (arg, "off") == 0 | |
138 | || strcmp (arg, "0") == 0) | |
139 | profile_val = 0; | |
140 | else | |
141 | { | |
142 | sim_io_eprintf (sd, "Argument `%s' for `--profile%s' invalid, one of `on', `off', `yes', `no' expected\n", arg, name); | |
143 | return SIM_RC_FAIL; | |
144 | } | |
145 | } | |
146 | ||
147 | /* update applicable profile bits */ | |
148 | for (profile_nr = 0; profile_nr < MAX_PROFILE_VALUES; ++profile_nr) | |
149 | { | |
150 | if ((mask & (1 << profile_nr)) == 0) | |
151 | continue; | |
152 | ||
153 | #if 0 /* see sim-trace.c, set flags in STATE here if/when there are any */ | |
154 | /* Set non-cpu specific values. */ | |
155 | switch (profile_nr) | |
156 | { | |
157 | case ??? : | |
158 | break; | |
159 | } | |
160 | #endif | |
161 | ||
162 | /* Set cpu values. */ | |
163 | for (cpu_nr = 0; cpu_nr < MAX_NR_PROCESSORS; cpu_nr++) | |
164 | { | |
165 | CPU_PROFILE_FLAGS (STATE_CPU (sd, cpu_nr))[profile_nr] = profile_val; | |
166 | } | |
167 | } | |
168 | ||
169 | /* Re-compute the cpu profile summary. */ | |
170 | if (profile_val) | |
171 | { | |
172 | for (cpu_nr = 0; cpu_nr < MAX_NR_PROCESSORS; cpu_nr++) | |
173 | CPU_PROFILE_DATA (STATE_CPU (sd, cpu_nr))->profile_any_p = 1; | |
174 | } | |
175 | else | |
176 | { | |
177 | for (cpu_nr = 0; cpu_nr < MAX_NR_PROCESSORS; cpu_nr++) | |
178 | { | |
179 | CPU_PROFILE_DATA (STATE_CPU (sd, cpu_nr))->profile_any_p = 0; | |
180 | for (profile_nr = 0; profile_nr < MAX_PROFILE_VALUES; ++profile_nr) | |
181 | { | |
182 | if (CPU_PROFILE_FLAGS (STATE_CPU (sd, cpu_nr))[profile_nr]) | |
183 | { | |
184 | CPU_PROFILE_DATA (STATE_CPU (sd, cpu_nr))->profile_any_p = 1; | |
185 | break; | |
186 | } | |
187 | } | |
188 | } | |
028f6515 | 189 | } |
c906108c SS |
190 | |
191 | return SIM_RC_OK; | |
192 | } | |
193 | ||
194 | /* Set one profile option based on its IDX value. | |
195 | Not static as cgen-scache.c uses it. */ | |
196 | ||
197 | SIM_RC | |
198 | sim_profile_set_option (SIM_DESC sd, const char *name, int idx, const char *arg) | |
199 | { | |
200 | return set_profile_option_mask (sd, name, 1 << idx, arg); | |
201 | } | |
202 | ||
09032128 DB |
203 | static SIM_RC |
204 | parse_frequency (SIM_DESC sd, const char *arg, unsigned long *freq) | |
205 | { | |
206 | const char *ch; | |
207 | /* First, parse a decimal number. */ | |
208 | *freq = 0; | |
209 | ch = arg; | |
210 | if (isdigit (*arg)) | |
211 | { | |
212 | for (/**/; *ch != '\0'; ++ch) | |
213 | { | |
214 | if (! isdigit (*ch)) | |
215 | break; | |
216 | *freq = *freq * 10 + (*ch - '0'); | |
217 | } | |
218 | ||
219 | /* Accept KHz, MHz or Hz as a suffix. */ | |
220 | if (tolower (*ch) == 'm') | |
221 | { | |
222 | *freq *= 1000000; | |
223 | ++ch; | |
224 | } | |
225 | else if (tolower (*ch) == 'k') | |
226 | { | |
227 | *freq *= 1000; | |
228 | ++ch; | |
229 | } | |
230 | ||
231 | if (tolower (*ch) == 'h') | |
232 | { | |
233 | ++ch; | |
234 | if (tolower (*ch) == 'z') | |
235 | ++ch; | |
236 | } | |
237 | } | |
238 | ||
239 | if (*ch != '\0') | |
240 | { | |
241 | sim_io_eprintf (sd, "Invalid argument for --profile-cpu-frequency: %s\n", | |
242 | arg); | |
243 | *freq = 0; | |
244 | return SIM_RC_FAIL; | |
245 | } | |
246 | ||
247 | return SIM_RC_OK; | |
248 | } | |
249 | ||
c906108c SS |
250 | static SIM_RC |
251 | profile_option_handler (SIM_DESC sd, | |
252 | sim_cpu *cpu, | |
253 | int opt, | |
254 | char *arg, | |
255 | int is_command) | |
256 | { | |
cdc2a5c3 | 257 | int cpu_nr; |
c906108c SS |
258 | |
259 | /* FIXME: Need to handle `cpu' arg. */ | |
260 | ||
261 | switch (opt) | |
262 | { | |
263 | case 'p' : | |
264 | if (! WITH_PROFILE) | |
265 | sim_io_eprintf (sd, "Profiling not compiled in, `-p' ignored\n"); | |
266 | else | |
267 | return set_profile_option_mask (sd, "profile", PROFILE_USEFUL_MASK, | |
268 | arg); | |
269 | break; | |
270 | ||
271 | case OPTION_PROFILE_INSN : | |
272 | if (WITH_PROFILE_INSN_P) | |
273 | return sim_profile_set_option (sd, "-insn", PROFILE_INSN_IDX, arg); | |
274 | else | |
275 | sim_io_eprintf (sd, "Instruction profiling not compiled in, `--profile-insn' ignored\n"); | |
276 | break; | |
277 | ||
278 | case OPTION_PROFILE_MEMORY : | |
279 | if (WITH_PROFILE_MEMORY_P) | |
280 | return sim_profile_set_option (sd, "-memory", PROFILE_MEMORY_IDX, arg); | |
281 | else | |
282 | sim_io_eprintf (sd, "Memory profiling not compiled in, `--profile-memory' ignored\n"); | |
283 | break; | |
284 | ||
285 | case OPTION_PROFILE_CORE : | |
286 | if (WITH_PROFILE_CORE_P) | |
287 | return sim_profile_set_option (sd, "-core", PROFILE_CORE_IDX, arg); | |
288 | else | |
289 | sim_io_eprintf (sd, "CORE profiling not compiled in, `--profile-core' ignored\n"); | |
290 | break; | |
291 | ||
292 | case OPTION_PROFILE_MODEL : | |
293 | if (WITH_PROFILE_MODEL_P) | |
294 | return sim_profile_set_option (sd, "-model", PROFILE_MODEL_IDX, arg); | |
295 | else | |
296 | sim_io_eprintf (sd, "Model profiling not compiled in, `--profile-model' ignored\n"); | |
297 | break; | |
298 | ||
09032128 DB |
299 | case OPTION_PROFILE_CPU_FREQUENCY : |
300 | { | |
301 | unsigned long val; | |
302 | SIM_RC rc = parse_frequency (sd, arg, &val); | |
303 | if (rc == SIM_RC_OK) | |
304 | { | |
305 | for (cpu_nr = 0; cpu_nr < MAX_NR_PROCESSORS; ++cpu_nr) | |
306 | PROFILE_CPU_FREQ (CPU_PROFILE_DATA (STATE_CPU (sd,cpu_nr))) = val; | |
307 | } | |
308 | return rc; | |
309 | } | |
310 | ||
c906108c SS |
311 | case OPTION_PROFILE_FILE : |
312 | /* FIXME: Might want this to apply to pc profiling only, | |
313 | or have two profile file options. */ | |
314 | if (! WITH_PROFILE) | |
315 | sim_io_eprintf (sd, "Profiling not compiled in, `--profile-file' ignored\n"); | |
316 | else | |
317 | { | |
318 | FILE *f = fopen (arg, "w"); | |
319 | ||
320 | if (f == NULL) | |
321 | { | |
322 | sim_io_eprintf (sd, "Unable to open profile output file `%s'\n", arg); | |
323 | return SIM_RC_FAIL; | |
324 | } | |
325 | for (cpu_nr = 0; cpu_nr < MAX_NR_PROCESSORS; ++cpu_nr) | |
326 | PROFILE_FILE (CPU_PROFILE_DATA (STATE_CPU (sd, cpu_nr))) = f; | |
327 | } | |
328 | break; | |
329 | ||
330 | case OPTION_PROFILE_PC: | |
331 | if (WITH_PROFILE_PC_P) | |
332 | return sim_profile_set_option (sd, "-pc", PROFILE_PC_IDX, arg); | |
333 | else | |
334 | sim_io_eprintf (sd, "PC profiling not compiled in, `--profile-pc' ignored\n"); | |
335 | break; | |
336 | ||
337 | case 'F' : | |
338 | if (WITH_PROFILE_PC_P) | |
339 | { | |
340 | /* FIXME: Validate arg. */ | |
341 | int val = atoi (arg); | |
342 | for (cpu_nr = 0; cpu_nr < MAX_NR_PROCESSORS; ++cpu_nr) | |
343 | PROFILE_PC_FREQ (CPU_PROFILE_DATA (STATE_CPU (sd, cpu_nr))) = val; | |
344 | for (cpu_nr = 0; cpu_nr < MAX_NR_PROCESSORS; ++cpu_nr) | |
345 | CPU_PROFILE_FLAGS (STATE_CPU (sd, cpu_nr))[PROFILE_PC_IDX] = 1; | |
346 | } | |
347 | else | |
348 | sim_io_eprintf (sd, "PC profiling not compiled in, `--profile-pc-frequency' ignored\n"); | |
349 | break; | |
350 | ||
351 | case 'S' : | |
352 | if (WITH_PROFILE_PC_P) | |
353 | { | |
354 | /* FIXME: Validate arg. */ | |
355 | int val = atoi (arg); | |
356 | for (cpu_nr = 0; cpu_nr < MAX_NR_PROCESSORS; ++cpu_nr) | |
357 | PROFILE_PC_NR_BUCKETS (CPU_PROFILE_DATA (STATE_CPU (sd, cpu_nr))) = val; | |
358 | for (cpu_nr = 0; cpu_nr < MAX_NR_PROCESSORS; ++cpu_nr) | |
359 | CPU_PROFILE_FLAGS (STATE_CPU (sd, cpu_nr))[PROFILE_PC_IDX] = 1; | |
360 | } | |
361 | else | |
362 | sim_io_eprintf (sd, "PC profiling not compiled in, `--profile-pc-size' ignored\n"); | |
363 | break; | |
364 | ||
365 | case OPTION_PROFILE_PC_GRANULARITY: | |
366 | if (WITH_PROFILE_PC_P) | |
367 | { | |
368 | int shift; | |
369 | int val = atoi (arg); | |
370 | /* check that the granularity is a power of two */ | |
371 | shift = 0; | |
372 | while (val > (1 << shift)) | |
373 | { | |
374 | shift += 1; | |
375 | } | |
376 | if (val != (1 << shift)) | |
377 | { | |
378 | sim_io_eprintf (sd, "PC profiling granularity not a power of two\n"); | |
379 | return SIM_RC_FAIL; | |
380 | } | |
381 | if (shift == 0) | |
382 | { | |
383 | sim_io_eprintf (sd, "PC profiling granularity too small"); | |
384 | return SIM_RC_FAIL; | |
385 | } | |
386 | for (cpu_nr = 0; cpu_nr < MAX_NR_PROCESSORS; ++cpu_nr) | |
387 | PROFILE_PC_SHIFT (CPU_PROFILE_DATA (STATE_CPU (sd, cpu_nr))) = shift; | |
388 | for (cpu_nr = 0; cpu_nr < MAX_NR_PROCESSORS; ++cpu_nr) | |
389 | CPU_PROFILE_FLAGS (STATE_CPU (sd, cpu_nr))[PROFILE_PC_IDX] = 1; | |
390 | } | |
391 | else | |
392 | sim_io_eprintf (sd, "PC profiling not compiled in, `--profile-pc-granularity' ignored\n"); | |
393 | break; | |
394 | ||
395 | case OPTION_PROFILE_PC_RANGE: | |
396 | if (WITH_PROFILE_PC_P) | |
397 | { | |
398 | /* FIXME: Validate args */ | |
399 | char *chp = arg; | |
400 | unsigned long base; | |
401 | unsigned long bound; | |
402 | base = strtoul (chp, &chp, 0); | |
403 | if (*chp != ',') | |
404 | { | |
405 | sim_io_eprintf (sd, "--profile-pc-range missing BOUND argument\n"); | |
406 | return SIM_RC_FAIL; | |
407 | } | |
408 | bound = strtoul (chp + 1, NULL, 0); | |
409 | for (cpu_nr = 0; cpu_nr < MAX_NR_PROCESSORS; ++cpu_nr) | |
410 | { | |
411 | PROFILE_PC_START (CPU_PROFILE_DATA (STATE_CPU (sd, cpu_nr))) = base; | |
412 | PROFILE_PC_END (CPU_PROFILE_DATA (STATE_CPU (sd, cpu_nr))) = bound; | |
028f6515 | 413 | } |
c906108c SS |
414 | for (cpu_nr = 0; cpu_nr < MAX_NR_PROCESSORS; ++cpu_nr) |
415 | CPU_PROFILE_FLAGS (STATE_CPU (sd, cpu_nr))[PROFILE_PC_IDX] = 1; | |
416 | } | |
417 | else | |
418 | sim_io_eprintf (sd, "PC profiling not compiled in, `--profile-pc-range' ignored\n"); | |
419 | break; | |
420 | ||
421 | #ifdef SIM_HAVE_ADDR_RANGE | |
422 | case OPTION_PROFILE_RANGE : | |
423 | if (WITH_PROFILE) | |
424 | { | |
425 | char *chp = arg; | |
426 | unsigned long start,end; | |
427 | start = strtoul (chp, &chp, 0); | |
428 | if (*chp != ',') | |
429 | { | |
430 | sim_io_eprintf (sd, "--profile-range missing END argument\n"); | |
431 | return SIM_RC_FAIL; | |
432 | } | |
433 | end = strtoul (chp + 1, NULL, 0); | |
434 | /* FIXME: Argument validation. */ | |
435 | if (cpu != NULL) | |
436 | sim_addr_range_add (PROFILE_RANGE (CPU_PROFILE_DATA (cpu)), | |
437 | start, end); | |
438 | else | |
439 | for (cpu_nr = 0; cpu_nr < MAX_NR_PROCESSORS; ++cpu_nr) | |
440 | sim_addr_range_add (PROFILE_RANGE (CPU_PROFILE_DATA (STATE_CPU (sd, cpu_nr))), | |
441 | start, end); | |
442 | } | |
443 | else | |
444 | sim_io_eprintf (sd, "Profiling not compiled in, `--profile-range' ignored\n"); | |
445 | break; | |
446 | ||
447 | case OPTION_PROFILE_FUNCTION : | |
448 | if (WITH_PROFILE) | |
449 | { | |
450 | /*wip: need to compute function range given name*/ | |
451 | } | |
452 | else | |
453 | sim_io_eprintf (sd, "Profiling not compiled in, `--profile-function' ignored\n"); | |
454 | break; | |
455 | #endif /* SIM_HAVE_ADDR_RANGE */ | |
456 | } | |
457 | ||
458 | return SIM_RC_OK; | |
459 | } | |
460 | \f | |
0d3d2c71 MF |
461 | /* Profiling output hooks. */ |
462 | ||
f08708cb | 463 | static void ATTRIBUTE_PRINTF (3, 0) |
0d3d2c71 MF |
464 | profile_vprintf (SIM_DESC sd, sim_cpu *cpu, const char *fmt, va_list ap) |
465 | { | |
466 | FILE *fp = PROFILE_FILE (CPU_PROFILE_DATA (cpu)); | |
467 | ||
468 | /* If an output file was given, redirect output to that. */ | |
469 | if (fp != NULL) | |
470 | vfprintf (fp, fmt, ap); | |
471 | else | |
472 | sim_io_evprintf (sd, fmt, ap); | |
473 | } | |
474 | ||
f0c4dc40 | 475 | ATTRIBUTE_PRINTF (3, 4) |
0d3d2c71 MF |
476 | static void |
477 | profile_printf (SIM_DESC sd, sim_cpu *cpu, const char *fmt, ...) | |
478 | { | |
479 | va_list ap; | |
480 | ||
481 | va_start (ap, fmt); | |
482 | profile_vprintf (sd, cpu, fmt, ap); | |
483 | va_end (ap); | |
484 | } | |
485 | \f | |
c906108c SS |
486 | /* PC profiling support */ |
487 | ||
488 | #if WITH_PROFILE_PC_P | |
489 | ||
490 | static void | |
491 | profile_pc_cleanup (SIM_DESC sd) | |
492 | { | |
493 | int n; | |
494 | for (n = 0; n < MAX_NR_PROCESSORS; n++) | |
495 | { | |
496 | sim_cpu *cpu = STATE_CPU (sd, n); | |
497 | PROFILE_DATA *data = CPU_PROFILE_DATA (cpu); | |
498 | if (PROFILE_PC_COUNT (data) != NULL) | |
d79fe0d6 | 499 | free (PROFILE_PC_COUNT (data)); |
c906108c SS |
500 | PROFILE_PC_COUNT (data) = NULL; |
501 | if (PROFILE_PC_EVENT (data) != NULL) | |
502 | sim_events_deschedule (sd, PROFILE_PC_EVENT (data)); | |
503 | PROFILE_PC_EVENT (data) = NULL; | |
504 | } | |
505 | } | |
506 | ||
507 | ||
508 | static void | |
509 | profile_pc_uninstall (SIM_DESC sd) | |
510 | { | |
511 | profile_pc_cleanup (sd); | |
512 | } | |
513 | ||
514 | static void | |
515 | profile_pc_event (SIM_DESC sd, | |
516 | void *data) | |
517 | { | |
518 | sim_cpu *cpu = (sim_cpu*) data; | |
519 | PROFILE_DATA *profile = CPU_PROFILE_DATA (cpu); | |
596f8827 | 520 | address_word pc = sim_pc_get (cpu); |
c906108c | 521 | unsigned i; |
c906108c SS |
522 | i = (pc - PROFILE_PC_START (profile)) >> PROFILE_PC_SHIFT (profile); |
523 | if (i < PROFILE_PC_NR_BUCKETS (profile)) | |
524 | PROFILE_PC_COUNT (profile) [i] += 1; /* Overflow? */ | |
525 | else | |
526 | PROFILE_PC_COUNT (profile) [PROFILE_PC_NR_BUCKETS (profile)] += 1; | |
028f6515 | 527 | PROFILE_PC_EVENT (profile) = |
c906108c SS |
528 | sim_events_schedule (sd, PROFILE_PC_FREQ (profile), profile_pc_event, cpu); |
529 | } | |
530 | ||
531 | static SIM_RC | |
532 | profile_pc_init (SIM_DESC sd) | |
533 | { | |
534 | int n; | |
535 | profile_pc_cleanup (sd); | |
536 | for (n = 0; n < MAX_NR_PROCESSORS; n++) | |
537 | { | |
538 | sim_cpu *cpu = STATE_CPU (sd, n); | |
539 | PROFILE_DATA *data = CPU_PROFILE_DATA (cpu); | |
596f8827 | 540 | if (CPU_PROFILE_FLAGS (STATE_CPU (sd, n))[PROFILE_PC_IDX]) |
c906108c SS |
541 | { |
542 | int bucket_size; | |
543 | /* fill in the frequency if not specified */ | |
544 | if (PROFILE_PC_FREQ (data) == 0) | |
41ec9f20 | 545 | PROFILE_PC_FREQ (data) = 257; |
c906108c SS |
546 | /* fill in the start/end if not specified */ |
547 | if (PROFILE_PC_END (data) == 0) | |
548 | { | |
549 | PROFILE_PC_START (data) = STATE_TEXT_START (sd); | |
550 | PROFILE_PC_END (data) = STATE_TEXT_END (sd); | |
551 | } | |
552 | /* Compute the number of buckets if not specified. */ | |
553 | if (PROFILE_PC_NR_BUCKETS (data) == 0) | |
554 | { | |
555 | if (PROFILE_PC_BUCKET_SIZE (data) == 0) | |
556 | PROFILE_PC_NR_BUCKETS (data) = 16; | |
557 | else | |
558 | { | |
559 | if (PROFILE_PC_END (data) == 0) | |
560 | { | |
561 | /* nr_buckets = (full-address-range / 2) / (bucket_size / 2) */ | |
562 | PROFILE_PC_NR_BUCKETS (data) = | |
18d4b488 | 563 | ((1ULL << sizeof (sim_cia) * (8 - 1)) |
c906108c SS |
564 | / (PROFILE_PC_BUCKET_SIZE (data) / 2)); |
565 | } | |
566 | else | |
567 | { | |
568 | PROFILE_PC_NR_BUCKETS (data) = | |
569 | ((PROFILE_PC_END (data) | |
570 | - PROFILE_PC_START (data) | |
571 | + PROFILE_PC_BUCKET_SIZE (data) - 1) | |
572 | / PROFILE_PC_BUCKET_SIZE (data)); | |
573 | } | |
574 | } | |
575 | } | |
576 | /* Compute the bucket size if not specified. Ensure that it | |
577 | is rounded up to the next power of two */ | |
578 | if (PROFILE_PC_BUCKET_SIZE (data) == 0) | |
579 | { | |
580 | if (PROFILE_PC_END (data) == 0) | |
581 | /* bucket_size = (full-address-range / 2) / (nr_buckets / 2) */ | |
18d4b488 | 582 | bucket_size = ((1ULL << ((sizeof (sim_cia) * 8) - 1)) |
c906108c SS |
583 | / (PROFILE_PC_NR_BUCKETS (data) / 2)); |
584 | else | |
585 | bucket_size = ((PROFILE_PC_END (data) | |
586 | - PROFILE_PC_START (data) | |
587 | + PROFILE_PC_NR_BUCKETS (data) - 1) | |
588 | / PROFILE_PC_NR_BUCKETS (data)); | |
589 | PROFILE_PC_SHIFT (data) = 0; | |
c43ad8eb | 590 | while (bucket_size > PROFILE_PC_BUCKET_SIZE (data)) |
c906108c SS |
591 | { |
592 | PROFILE_PC_SHIFT (data) += 1; | |
593 | } | |
594 | } | |
595 | /* Align the end address with bucket size */ | |
596 | if (PROFILE_PC_END (data) != 0) | |
597 | PROFILE_PC_END (data) = (PROFILE_PC_START (data) | |
598 | + (PROFILE_PC_BUCKET_SIZE (data) | |
599 | * PROFILE_PC_NR_BUCKETS (data))); | |
600 | /* create the relevant buffers */ | |
601 | PROFILE_PC_COUNT (data) = | |
602 | NZALLOC (unsigned, PROFILE_PC_NR_BUCKETS (data) + 1); | |
603 | PROFILE_PC_EVENT (data) = | |
604 | sim_events_schedule (sd, | |
605 | PROFILE_PC_FREQ (data), | |
606 | profile_pc_event, | |
607 | cpu); | |
608 | } | |
609 | } | |
610 | return SIM_RC_OK; | |
611 | } | |
612 | ||
613 | static void | |
cc67f780 | 614 | profile_print_pc (sim_cpu *cpu, bool verbose) |
c906108c SS |
615 | { |
616 | SIM_DESC sd = CPU_STATE (cpu); | |
617 | PROFILE_DATA *profile = CPU_PROFILE_DATA (cpu); | |
618 | char comma_buf[20]; | |
619 | unsigned max_val; | |
620 | unsigned total; | |
621 | unsigned i; | |
622 | ||
623 | if (PROFILE_PC_COUNT (profile) == 0) | |
624 | return; | |
625 | ||
0d3d2c71 | 626 | profile_printf (sd, cpu, "Program Counter Statistics:\n\n"); |
c906108c SS |
627 | |
628 | /* First pass over data computes various things. */ | |
629 | max_val = 0; | |
630 | total = 0; | |
631 | for (i = 0; i <= PROFILE_PC_NR_BUCKETS (profile); ++i) | |
632 | { | |
633 | total += PROFILE_PC_COUNT (profile) [i]; | |
634 | if (PROFILE_PC_COUNT (profile) [i] > max_val) | |
635 | max_val = PROFILE_PC_COUNT (profile) [i]; | |
636 | } | |
637 | ||
0d3d2c71 MF |
638 | profile_printf (sd, cpu, " Total samples: %s\n", |
639 | COMMAS (total)); | |
640 | profile_printf (sd, cpu, " Granularity: %s bytes per bucket\n", | |
641 | COMMAS (PROFILE_PC_BUCKET_SIZE (profile))); | |
642 | profile_printf (sd, cpu, " Size: %s buckets\n", | |
643 | COMMAS (PROFILE_PC_NR_BUCKETS (profile))); | |
644 | profile_printf (sd, cpu, " Frequency: %s cycles per sample\n", | |
645 | COMMAS (PROFILE_PC_FREQ (profile))); | |
c906108c SS |
646 | |
647 | if (PROFILE_PC_END (profile) != 0) | |
0d3d2c71 MF |
648 | profile_printf (sd, cpu, " Range: 0x%lx 0x%lx\n", |
649 | (long) PROFILE_PC_START (profile), | |
c906108c SS |
650 | (long) PROFILE_PC_END (profile)); |
651 | ||
652 | if (verbose && max_val != 0) | |
653 | { | |
654 | /* Now we can print the histogram. */ | |
0d3d2c71 | 655 | profile_printf (sd, cpu, "\n"); |
c906108c SS |
656 | for (i = 0; i <= PROFILE_PC_NR_BUCKETS (profile); ++i) |
657 | { | |
658 | if (PROFILE_PC_COUNT (profile) [i] != 0) | |
659 | { | |
0d3d2c71 | 660 | profile_printf (sd, cpu, " "); |
c906108c | 661 | if (i == PROFILE_PC_NR_BUCKETS (profile)) |
0d3d2c71 | 662 | profile_printf (sd, cpu, "%10s:", "overflow"); |
c906108c | 663 | else |
0d3d2c71 MF |
664 | profile_printf (sd, cpu, "0x%08lx:", |
665 | (long) (PROFILE_PC_START (profile) | |
666 | + (i * PROFILE_PC_BUCKET_SIZE (profile)))); | |
667 | profile_printf (sd, cpu, " %*s", | |
668 | max_val < 10000 ? 5 : 10, | |
669 | COMMAS (PROFILE_PC_COUNT (profile) [i])); | |
670 | profile_printf (sd, cpu, " %4.1f", | |
671 | (PROFILE_PC_COUNT (profile) [i] * 100.0) / total); | |
672 | profile_printf (sd, cpu, ": "); | |
673 | sim_profile_print_bar (sd, cpu, PROFILE_HISTOGRAM_WIDTH, | |
c906108c SS |
674 | PROFILE_PC_COUNT (profile) [i], |
675 | max_val); | |
0d3d2c71 | 676 | profile_printf (sd, cpu, "\n"); |
c906108c SS |
677 | } |
678 | } | |
679 | } | |
680 | ||
681 | /* dump the histogram to the file "gmon.out" using BSD's gprof file | |
682 | format */ | |
683 | /* Since a profile data file is in the native format of the host on | |
684 | which the profile is being, endian issues are not considered in | |
685 | the code below. */ | |
686 | /* FIXME: Is this the best place for this code? */ | |
687 | { | |
688 | FILE *pf = fopen ("gmon.out", "wb"); | |
028f6515 | 689 | |
c906108c SS |
690 | if (pf == NULL) |
691 | sim_io_eprintf (sd, "Failed to open \"gmon.out\" profile file\n"); | |
692 | else | |
693 | { | |
694 | int ok; | |
695 | /* FIXME: what if the target has a 64 bit PC? */ | |
e4c803f5 | 696 | uint32_t header[3]; |
c906108c SS |
697 | unsigned loop; |
698 | if (PROFILE_PC_END (profile) != 0) | |
699 | { | |
700 | header[0] = PROFILE_PC_START (profile); | |
701 | header[1] = PROFILE_PC_END (profile); | |
702 | } | |
703 | else | |
704 | { | |
705 | header[0] = 0; | |
706 | header[1] = 0; | |
707 | } | |
708 | /* size of sample buffer (+ header) */ | |
709 | header[2] = PROFILE_PC_NR_BUCKETS (profile) * 2 + sizeof (header); | |
c43ad8eb BE |
710 | |
711 | /* Header must be written out in target byte order. */ | |
712 | H2T (header[0]); | |
713 | H2T (header[1]); | |
714 | H2T (header[2]); | |
715 | ||
c906108c SS |
716 | ok = fwrite (&header, sizeof (header), 1, pf); |
717 | for (loop = 0; | |
718 | ok && (loop < PROFILE_PC_NR_BUCKETS (profile)); | |
719 | loop++) | |
720 | { | |
e4c803f5 | 721 | int16_t sample; |
c906108c SS |
722 | if (PROFILE_PC_COUNT (profile) [loop] >= 0xffff) |
723 | sample = 0xffff; | |
724 | else | |
725 | sample = PROFILE_PC_COUNT (profile) [loop]; | |
41ec9f20 | 726 | H2T (sample); |
c906108c SS |
727 | ok = fwrite (&sample, sizeof (sample), 1, pf); |
728 | } | |
729 | if (ok == 0) | |
730 | sim_io_eprintf (sd, "Failed to write to \"gmon.out\" profile file\n"); | |
34b47c38 | 731 | fclose (pf); |
c906108c SS |
732 | } |
733 | } | |
734 | ||
0d3d2c71 | 735 | profile_printf (sd, cpu, "\n"); |
c906108c SS |
736 | } |
737 | ||
738 | #endif | |
739 | \f | |
740 | /* Summary printing support. */ | |
741 | ||
742 | #if WITH_PROFILE_INSN_P | |
743 | ||
744 | static SIM_RC | |
745 | profile_insn_init (SIM_DESC sd) | |
746 | { | |
747 | int c; | |
748 | ||
749 | for (c = 0; c < MAX_NR_PROCESSORS; ++c) | |
750 | { | |
751 | sim_cpu *cpu = STATE_CPU (sd, c); | |
752 | ||
753 | if (CPU_MAX_INSNS (cpu) > 0) | |
754 | PROFILE_INSN_COUNT (CPU_PROFILE_DATA (cpu)) = NZALLOC (unsigned int, CPU_MAX_INSNS (cpu)); | |
755 | } | |
756 | ||
757 | return SIM_RC_OK; | |
758 | } | |
759 | ||
760 | static void | |
cc67f780 | 761 | profile_print_insn (sim_cpu *cpu, bool verbose) |
c906108c SS |
762 | { |
763 | unsigned int i, n, total, max_val, max_name_len; | |
764 | SIM_DESC sd = CPU_STATE (cpu); | |
765 | PROFILE_DATA *data = CPU_PROFILE_DATA (cpu); | |
766 | char comma_buf[20]; | |
767 | ||
768 | /* If MAX_INSNS not set, insn profiling isn't supported. */ | |
769 | if (CPU_MAX_INSNS (cpu) == 0) | |
770 | return; | |
771 | ||
0d3d2c71 | 772 | profile_printf (sd, cpu, "Instruction Statistics"); |
c906108c SS |
773 | #ifdef SIM_HAVE_ADDR_RANGE |
774 | if (PROFILE_RANGE (data)->ranges) | |
0d3d2c71 | 775 | profile_printf (sd, cpu, " (for selected address range(s))"); |
c906108c | 776 | #endif |
0d3d2c71 | 777 | profile_printf (sd, cpu, "\n\n"); |
c906108c SS |
778 | |
779 | /* First pass over data computes various things. */ | |
780 | max_val = 0; | |
781 | total = 0; | |
782 | max_name_len = 0; | |
783 | for (i = 0; i < CPU_MAX_INSNS (cpu); ++i) | |
784 | { | |
785 | const char *name = (*CPU_INSN_NAME (cpu)) (cpu, i); | |
786 | ||
787 | if (name == NULL) | |
788 | continue; | |
789 | total += PROFILE_INSN_COUNT (data) [i]; | |
790 | if (PROFILE_INSN_COUNT (data) [i] > max_val) | |
791 | max_val = PROFILE_INSN_COUNT (data) [i]; | |
792 | n = strlen (name); | |
793 | if (n > max_name_len) | |
794 | max_name_len = n; | |
795 | } | |
796 | /* set the total insn count, in case client is being lazy */ | |
797 | if (! PROFILE_TOTAL_INSN_COUNT (data)) | |
798 | PROFILE_TOTAL_INSN_COUNT (data) = total; | |
799 | ||
0d3d2c71 | 800 | profile_printf (sd, cpu, " Total: %s insns\n", COMMAS (total)); |
c906108c SS |
801 | |
802 | if (verbose && max_val != 0) | |
803 | { | |
804 | /* Now we can print the histogram. */ | |
0d3d2c71 | 805 | profile_printf (sd, cpu, "\n"); |
c906108c SS |
806 | for (i = 0; i < CPU_MAX_INSNS (cpu); ++i) |
807 | { | |
808 | const char *name = (*CPU_INSN_NAME (cpu)) (cpu, i); | |
809 | ||
810 | if (name == NULL) | |
811 | continue; | |
812 | if (PROFILE_INSN_COUNT (data) [i] != 0) | |
813 | { | |
0d3d2c71 MF |
814 | profile_printf (sd, cpu, " %*s: %*s: ", |
815 | max_name_len, name, | |
816 | max_val < 10000 ? 5 : 10, | |
817 | COMMAS (PROFILE_INSN_COUNT (data) [i])); | |
818 | sim_profile_print_bar (sd, cpu, PROFILE_HISTOGRAM_WIDTH, | |
c906108c SS |
819 | PROFILE_INSN_COUNT (data) [i], |
820 | max_val); | |
0d3d2c71 | 821 | profile_printf (sd, cpu, "\n"); |
c906108c SS |
822 | } |
823 | } | |
824 | } | |
825 | ||
0d3d2c71 | 826 | profile_printf (sd, cpu, "\n"); |
c906108c SS |
827 | } |
828 | ||
829 | #endif | |
830 | ||
831 | #if WITH_PROFILE_MEMORY_P | |
832 | ||
833 | static void | |
cc67f780 | 834 | profile_print_memory (sim_cpu *cpu, bool verbose) |
c906108c SS |
835 | { |
836 | unsigned int i, n; | |
837 | unsigned int total_read, total_write; | |
838 | unsigned int max_val, max_name_len; | |
839 | /* FIXME: Need to add smp support. */ | |
840 | SIM_DESC sd = CPU_STATE (cpu); | |
841 | PROFILE_DATA *data = CPU_PROFILE_DATA (cpu); | |
842 | char comma_buf[20]; | |
843 | ||
0d3d2c71 | 844 | profile_printf (sd, cpu, "Memory Access Statistics\n\n"); |
c906108c SS |
845 | |
846 | /* First pass over data computes various things. */ | |
847 | max_val = total_read = total_write = max_name_len = 0; | |
848 | for (i = 0; i < MODE_TARGET_MAX; ++i) | |
849 | { | |
850 | total_read += PROFILE_READ_COUNT (data) [i]; | |
851 | total_write += PROFILE_WRITE_COUNT (data) [i]; | |
852 | if (PROFILE_READ_COUNT (data) [i] > max_val) | |
853 | max_val = PROFILE_READ_COUNT (data) [i]; | |
854 | if (PROFILE_WRITE_COUNT (data) [i] > max_val) | |
855 | max_val = PROFILE_WRITE_COUNT (data) [i]; | |
856 | n = strlen (MODE_NAME (i)); | |
857 | if (n > max_name_len) | |
858 | max_name_len = n; | |
859 | } | |
860 | ||
861 | /* One could use PROFILE_LABEL_WIDTH here. I chose not to. */ | |
0d3d2c71 MF |
862 | profile_printf (sd, cpu, " Total read: %s accesses\n", |
863 | COMMAS (total_read)); | |
864 | profile_printf (sd, cpu, " Total write: %s accesses\n", | |
865 | COMMAS (total_write)); | |
c906108c SS |
866 | |
867 | if (verbose && max_val != 0) | |
868 | { | |
869 | /* FIXME: Need to separate instruction fetches from data fetches | |
870 | as the former swamps the latter. */ | |
871 | /* Now we can print the histogram. */ | |
0d3d2c71 | 872 | profile_printf (sd, cpu, "\n"); |
c906108c SS |
873 | for (i = 0; i < MODE_TARGET_MAX; ++i) |
874 | { | |
875 | if (PROFILE_READ_COUNT (data) [i] != 0) | |
876 | { | |
0d3d2c71 MF |
877 | profile_printf (sd, cpu, " %*s read: %*s: ", |
878 | max_name_len, MODE_NAME (i), | |
879 | max_val < 10000 ? 5 : 10, | |
880 | COMMAS (PROFILE_READ_COUNT (data) [i])); | |
881 | sim_profile_print_bar (sd, cpu, PROFILE_HISTOGRAM_WIDTH, | |
c906108c SS |
882 | PROFILE_READ_COUNT (data) [i], |
883 | max_val); | |
0d3d2c71 | 884 | profile_printf (sd, cpu, "\n"); |
c906108c SS |
885 | } |
886 | if (PROFILE_WRITE_COUNT (data) [i] != 0) | |
887 | { | |
0d3d2c71 MF |
888 | profile_printf (sd, cpu, " %*s write: %*s: ", |
889 | max_name_len, MODE_NAME (i), | |
890 | max_val < 10000 ? 5 : 10, | |
891 | COMMAS (PROFILE_WRITE_COUNT (data) [i])); | |
892 | sim_profile_print_bar (sd, cpu, PROFILE_HISTOGRAM_WIDTH, | |
c906108c SS |
893 | PROFILE_WRITE_COUNT (data) [i], |
894 | max_val); | |
0d3d2c71 | 895 | profile_printf (sd, cpu, "\n"); |
c906108c SS |
896 | } |
897 | } | |
898 | } | |
899 | ||
0d3d2c71 | 900 | profile_printf (sd, cpu, "\n"); |
c906108c SS |
901 | } |
902 | ||
903 | #endif | |
904 | ||
905 | #if WITH_PROFILE_CORE_P | |
906 | ||
907 | static void | |
cc67f780 | 908 | profile_print_core (sim_cpu *cpu, bool verbose) |
c906108c SS |
909 | { |
910 | unsigned int total; | |
911 | unsigned int max_val; | |
912 | /* FIXME: Need to add smp support. */ | |
913 | SIM_DESC sd = CPU_STATE (cpu); | |
914 | PROFILE_DATA *data = CPU_PROFILE_DATA (cpu); | |
915 | char comma_buf[20]; | |
916 | ||
0d3d2c71 | 917 | profile_printf (sd, cpu, "CORE Statistics\n\n"); |
c906108c SS |
918 | |
919 | /* First pass over data computes various things. */ | |
920 | { | |
921 | unsigned map; | |
922 | total = 0; | |
923 | max_val = 0; | |
924 | for (map = 0; map < nr_maps; map++) | |
925 | { | |
926 | total += PROFILE_CORE_COUNT (data) [map]; | |
927 | if (PROFILE_CORE_COUNT (data) [map] > max_val) | |
928 | max_val = PROFILE_CORE_COUNT (data) [map]; | |
929 | } | |
930 | } | |
931 | ||
932 | /* One could use PROFILE_LABEL_WIDTH here. I chose not to. */ | |
0d3d2c71 MF |
933 | profile_printf (sd, cpu, " Total: %s accesses\n", |
934 | COMMAS (total)); | |
c906108c SS |
935 | |
936 | if (verbose && max_val != 0) | |
937 | { | |
938 | unsigned map; | |
939 | /* Now we can print the histogram. */ | |
0d3d2c71 | 940 | profile_printf (sd, cpu, "\n"); |
c906108c SS |
941 | for (map = 0; map < nr_maps; map++) |
942 | { | |
943 | if (PROFILE_CORE_COUNT (data) [map] != 0) | |
944 | { | |
0d3d2c71 MF |
945 | profile_printf (sd, cpu, "%10s:", map_to_str (map)); |
946 | profile_printf (sd, cpu, "%*s: ", | |
947 | max_val < 10000 ? 5 : 10, | |
948 | COMMAS (PROFILE_CORE_COUNT (data) [map])); | |
949 | sim_profile_print_bar (sd, cpu, PROFILE_HISTOGRAM_WIDTH, | |
c906108c SS |
950 | PROFILE_CORE_COUNT (data) [map], |
951 | max_val); | |
0d3d2c71 | 952 | profile_printf (sd, cpu, "\n"); |
c906108c SS |
953 | } |
954 | } | |
955 | } | |
956 | ||
0d3d2c71 | 957 | profile_printf (sd, cpu, "\n"); |
c906108c SS |
958 | } |
959 | ||
960 | #endif | |
961 | ||
962 | #if WITH_PROFILE_MODEL_P | |
963 | ||
964 | static void | |
cc67f780 | 965 | profile_print_model (sim_cpu *cpu, bool verbose) |
c906108c SS |
966 | { |
967 | SIM_DESC sd = CPU_STATE (cpu); | |
968 | PROFILE_DATA *data = CPU_PROFILE_DATA (cpu); | |
969 | unsigned long cti_stall_cycles = PROFILE_MODEL_CTI_STALL_CYCLES (data); | |
970 | unsigned long load_stall_cycles = PROFILE_MODEL_LOAD_STALL_CYCLES (data); | |
971 | unsigned long total_cycles = PROFILE_MODEL_TOTAL_CYCLES (data); | |
972 | char comma_buf[20]; | |
973 | ||
0d3d2c71 MF |
974 | profile_printf (sd, cpu, "Model %s Timing Information", |
975 | MODEL_NAME (CPU_MODEL (cpu))); | |
c906108c SS |
976 | #ifdef SIM_HAVE_ADDR_RANGE |
977 | if (PROFILE_RANGE (data)->ranges) | |
0d3d2c71 | 978 | profile_printf (sd, cpu, " (for selected address range(s))"); |
c906108c | 979 | #endif |
0d3d2c71 MF |
980 | profile_printf (sd, cpu, "\n\n"); |
981 | profile_printf (sd, cpu, " %-*s %s\n", | |
982 | PROFILE_LABEL_WIDTH, "Taken branches:", | |
983 | COMMAS (PROFILE_MODEL_TAKEN_COUNT (data))); | |
984 | profile_printf (sd, cpu, " %-*s %s\n", | |
985 | PROFILE_LABEL_WIDTH, "Untaken branches:", | |
986 | COMMAS (PROFILE_MODEL_UNTAKEN_COUNT (data))); | |
987 | profile_printf (sd, cpu, " %-*s %s\n", | |
988 | PROFILE_LABEL_WIDTH, "Cycles stalled due to branches:", | |
989 | COMMAS (cti_stall_cycles)); | |
990 | profile_printf (sd, cpu, " %-*s %s\n", | |
991 | PROFILE_LABEL_WIDTH, "Cycles stalled due to loads:", | |
992 | COMMAS (load_stall_cycles)); | |
993 | profile_printf (sd, cpu, " %-*s %s\n", | |
994 | PROFILE_LABEL_WIDTH, "Total cycles (*approximate*):", | |
995 | COMMAS (total_cycles)); | |
996 | profile_printf (sd, cpu, "\n"); | |
c906108c SS |
997 | } |
998 | ||
999 | #endif | |
1000 | ||
1001 | void | |
0d3d2c71 | 1002 | sim_profile_print_bar (SIM_DESC sd, sim_cpu *cpu, unsigned int width, |
c906108c SS |
1003 | unsigned int val, unsigned int max_val) |
1004 | { | |
1005 | unsigned int i, count; | |
1006 | ||
1007 | count = ((double) val / (double) max_val) * (double) width; | |
1008 | ||
1009 | for (i = 0; i < count; ++i) | |
0d3d2c71 | 1010 | profile_printf (sd, cpu, "*"); |
c906108c SS |
1011 | } |
1012 | ||
1013 | /* Print the simulator's execution speed for CPU. */ | |
1014 | ||
1015 | static void | |
1016 | profile_print_speed (sim_cpu *cpu) | |
1017 | { | |
1018 | SIM_DESC sd = CPU_STATE (cpu); | |
1019 | PROFILE_DATA *data = CPU_PROFILE_DATA (cpu); | |
1020 | unsigned long milliseconds = sim_events_elapsed_time (sd); | |
1021 | unsigned long total = PROFILE_TOTAL_INSN_COUNT (data); | |
09032128 DB |
1022 | double clock; |
1023 | double secs; | |
c906108c SS |
1024 | char comma_buf[20]; |
1025 | ||
0d3d2c71 | 1026 | profile_printf (sd, cpu, "Simulator Execution Speed\n\n"); |
c906108c SS |
1027 | |
1028 | if (total != 0) | |
0d3d2c71 | 1029 | profile_printf (sd, cpu, " Total instructions: %s\n", COMMAS (total)); |
c906108c SS |
1030 | |
1031 | if (milliseconds < 1000) | |
0d3d2c71 | 1032 | profile_printf (sd, cpu, " Total execution time: < 1 second\n\n"); |
c906108c SS |
1033 | else |
1034 | { | |
1035 | /* The printing of the time rounded to 2 decimal places makes the speed | |
1036 | calculation seem incorrect [even though it is correct]. So round | |
1037 | MILLISECONDS first. This can marginally affect the result, but it's | |
1038 | better that the user not perceive there's a math error. */ | |
09032128 | 1039 | secs = (double) milliseconds / 1000; |
c906108c | 1040 | secs = ((double) (unsigned long) (secs * 100 + .5)) / 100; |
0d3d2c71 | 1041 | profile_printf (sd, cpu, " Total execution time : %.2f seconds\n", secs); |
c906108c SS |
1042 | /* Don't confuse things with data that isn't useful. |
1043 | If we ran for less than 2 seconds, only use the data if we | |
1044 | executed more than 100,000 insns. */ | |
1045 | if (secs >= 2 || total >= 100000) | |
0d3d2c71 MF |
1046 | profile_printf (sd, cpu, " Simulator speed: %s insns/second\n", |
1047 | COMMAS ((unsigned long) ((double) total / secs))); | |
c906108c | 1048 | } |
09032128 | 1049 | |
09032128 DB |
1050 | /* Print simulated execution time if the cpu frequency has been specified. */ |
1051 | clock = PROFILE_CPU_FREQ (data); | |
1052 | if (clock != 0) | |
1053 | { | |
1054 | if (clock >= 1000000) | |
0d3d2c71 MF |
1055 | profile_printf (sd, cpu, " Simulated cpu frequency: %.2f MHz\n", |
1056 | clock / 1000000); | |
09032128 | 1057 | else |
0d3d2c71 | 1058 | profile_printf (sd, cpu, " Simulated cpu frequency: %.2f Hz\n", clock); |
09032128 | 1059 | |
80dbae7a | 1060 | #if WITH_PROFILE_MODEL_P |
09032128 DB |
1061 | if (PROFILE_FLAGS (data) [PROFILE_MODEL_IDX]) |
1062 | { | |
1063 | /* The printing of the time rounded to 2 decimal places makes the | |
1064 | speed calculation seem incorrect [even though it is correct]. | |
1065 | So round SECS first. This can marginally affect the result, | |
1066 | but it's better that the user not perceive there's a math | |
1067 | error. */ | |
1068 | secs = PROFILE_MODEL_TOTAL_CYCLES (data) / clock; | |
1069 | secs = ((double) (unsigned long) (secs * 100 + .5)) / 100; | |
0d3d2c71 MF |
1070 | profile_printf (sd, cpu, " Simulated execution time: %.2f seconds\n", |
1071 | secs); | |
09032128 | 1072 | } |
09032128 | 1073 | #endif /* WITH_PROFILE_MODEL_P */ |
80dbae7a | 1074 | } |
c906108c SS |
1075 | } |
1076 | ||
739dfd28 | 1077 | #ifdef SIM_HAVE_ADDR_RANGE |
c906108c SS |
1078 | /* Print selected address ranges. */ |
1079 | ||
1080 | static void | |
1081 | profile_print_addr_ranges (sim_cpu *cpu) | |
1082 | { | |
1083 | ADDR_SUBRANGE *asr = PROFILE_RANGE (CPU_PROFILE_DATA (cpu))->ranges; | |
1084 | SIM_DESC sd = CPU_STATE (cpu); | |
1085 | ||
1086 | if (asr) | |
1087 | { | |
0d3d2c71 | 1088 | profile_printf (sd, cpu, "Selected address ranges\n\n"); |
c906108c SS |
1089 | while (asr != NULL) |
1090 | { | |
0d3d2c71 MF |
1091 | profile_printf (sd, cpu, " 0x%lx - 0x%lx\n", |
1092 | (long) asr->start, (long) asr->end); | |
c906108c SS |
1093 | asr = asr->next; |
1094 | } | |
0d3d2c71 | 1095 | profile_printf (sd, cpu, "\n"); |
c906108c SS |
1096 | } |
1097 | } | |
739dfd28 | 1098 | #endif |
c906108c SS |
1099 | |
1100 | /* Top level function to print all summary profile information. | |
1101 | It is [currently] intended that all such data is printed by this function. | |
1102 | I'd rather keep it all in one place for now. To that end, MISC_CPU and | |
1103 | MISC are callbacks used to print any miscellaneous data. | |
1104 | ||
1105 | One might want to add a user option that allows printing by type or by cpu | |
1106 | (i.e. print all insn data for each cpu first, or print data cpu by cpu). | |
1107 | This may be a case of featuritis so it's currently left out. | |
1108 | ||
1109 | Note that results are indented two spaces to distinguish them from | |
1110 | section titles. */ | |
1111 | ||
1112 | static void | |
cc67f780 | 1113 | profile_info (SIM_DESC sd, bool verbose) |
c906108c SS |
1114 | { |
1115 | int i,c; | |
1116 | int print_title_p = 0; | |
1117 | ||
1118 | /* Only print the title if some data has been collected. */ | |
1119 | /* ??? Why don't we just exit if no data collected? */ | |
1120 | /* FIXME: If the number of processors can be selected on the command line, | |
1121 | then MAX_NR_PROCESSORS will need to take an argument of `sd'. */ | |
1122 | ||
f1a81b37 | 1123 | for (c = 0; c < MAX_NR_PROCESSORS && !print_title_p; ++c) |
c906108c SS |
1124 | { |
1125 | sim_cpu *cpu = STATE_CPU (sd, c); | |
1126 | PROFILE_DATA *data = CPU_PROFILE_DATA (cpu); | |
1127 | ||
1128 | for (i = 0; i < MAX_PROFILE_VALUES; ++i) | |
1129 | if (PROFILE_FLAGS (data) [i]) | |
0d3d2c71 MF |
1130 | { |
1131 | profile_printf (sd, cpu, "Summary profiling results:\n\n"); | |
1132 | print_title_p = 1; | |
f1a81b37 | 1133 | break; |
0d3d2c71 | 1134 | } |
c906108c | 1135 | } |
c906108c SS |
1136 | |
1137 | /* Loop, cpu by cpu, printing results. */ | |
1138 | ||
1139 | for (c = 0; c < MAX_NR_PROCESSORS; ++c) | |
1140 | { | |
1141 | sim_cpu *cpu = STATE_CPU (sd, c); | |
1142 | PROFILE_DATA *data = CPU_PROFILE_DATA (cpu); | |
1143 | ||
1144 | if (MAX_NR_PROCESSORS > 1 | |
1145 | && (0 | |
1146 | #if WITH_PROFILE_INSN_P | |
1147 | || PROFILE_FLAGS (data) [PROFILE_INSN_IDX] | |
1148 | #endif | |
1149 | #if WITH_PROFILE_MEMORY_P | |
1150 | || PROFILE_FLAGS (data) [PROFILE_MEMORY_IDX] | |
1151 | #endif | |
1152 | #if WITH_PROFILE_CORE_P | |
1153 | || PROFILE_FLAGS (data) [PROFILE_CORE_IDX] | |
1154 | #endif | |
1155 | #if WITH_PROFILE_MODEL_P | |
1156 | || PROFILE_FLAGS (data) [PROFILE_MODEL_IDX] | |
1157 | #endif | |
b79efe26 | 1158 | #if WITH_PROFILE_SCACHE_P && WITH_SCACHE && defined(CGEN_ARCH) |
c906108c SS |
1159 | || PROFILE_FLAGS (data) [PROFILE_SCACHE_IDX] |
1160 | #endif | |
1161 | #if WITH_PROFILE_PC_P | |
1162 | || PROFILE_FLAGS (data) [PROFILE_PC_IDX] | |
1163 | #endif | |
1164 | )) | |
1165 | { | |
0d3d2c71 | 1166 | profile_printf (sd, cpu, "CPU %d\n\n", c); |
c906108c SS |
1167 | } |
1168 | ||
1169 | #ifdef SIM_HAVE_ADDR_RANGE | |
1170 | if (print_title_p | |
1171 | && (PROFILE_INSN_P (cpu) | |
1172 | || PROFILE_MODEL_P (cpu))) | |
1173 | profile_print_addr_ranges (cpu); | |
1174 | #endif | |
1175 | ||
1176 | #if WITH_PROFILE_INSN_P | |
1177 | if (PROFILE_FLAGS (data) [PROFILE_INSN_IDX]) | |
1178 | profile_print_insn (cpu, verbose); | |
1179 | #endif | |
1180 | ||
1181 | #if WITH_PROFILE_MEMORY_P | |
1182 | if (PROFILE_FLAGS (data) [PROFILE_MEMORY_IDX]) | |
1183 | profile_print_memory (cpu, verbose); | |
1184 | #endif | |
1185 | ||
1186 | #if WITH_PROFILE_CORE_P | |
1187 | if (PROFILE_FLAGS (data) [PROFILE_CORE_IDX]) | |
1188 | profile_print_core (cpu, verbose); | |
1189 | #endif | |
1190 | ||
1191 | #if WITH_PROFILE_MODEL_P | |
1192 | if (PROFILE_FLAGS (data) [PROFILE_MODEL_IDX]) | |
1193 | profile_print_model (cpu, verbose); | |
1194 | #endif | |
1195 | ||
b79efe26 | 1196 | #if WITH_PROFILE_SCACHE_P && WITH_SCACHE && defined(CGEN_ARCH) |
c906108c SS |
1197 | if (PROFILE_FLAGS (data) [PROFILE_SCACHE_IDX]) |
1198 | scache_print_profile (cpu, verbose); | |
1199 | #endif | |
1200 | ||
1201 | #if WITH_PROFILE_PC_P | |
1202 | if (PROFILE_FLAGS (data) [PROFILE_PC_IDX]) | |
1203 | profile_print_pc (cpu, verbose); | |
1204 | #endif | |
1205 | ||
1206 | /* Print cpu-specific data before the execution speed. */ | |
1207 | if (PROFILE_INFO_CPU_CALLBACK (data) != NULL) | |
1208 | PROFILE_INFO_CPU_CALLBACK (data) (cpu, verbose); | |
1209 | ||
1210 | /* Always try to print execution time and speed. */ | |
1211 | if (verbose | |
1212 | || PROFILE_FLAGS (data) [PROFILE_INSN_IDX]) | |
1213 | profile_print_speed (cpu); | |
1214 | } | |
1215 | ||
1216 | /* Finally print non-cpu specific miscellaneous data. */ | |
1217 | if (STATE_PROFILE_INFO_CALLBACK (sd)) | |
1218 | STATE_PROFILE_INFO_CALLBACK (sd) (sd, verbose); | |
1219 | ||
1220 | } | |
1221 | \f | |
953fac64 MF |
1222 | /* Provide a prototype to silence -Wmissing-prototypes. */ |
1223 | SIM_RC sim_install_profile (SIM_DESC sd); | |
c906108c | 1224 | |
953fac64 | 1225 | /* Install profiling support in the simulator. */ |
c906108c | 1226 | SIM_RC |
953fac64 | 1227 | sim_install_profile (SIM_DESC sd) |
c906108c SS |
1228 | { |
1229 | int i; | |
1230 | ||
1231 | SIM_ASSERT (STATE_MAGIC (sd) == SIM_MAGIC_NUMBER); | |
1232 | sim_add_option_table (sd, NULL, profile_options); | |
1233 | for (i = 0; i < MAX_NR_PROCESSORS; ++i) | |
1234 | memset (CPU_PROFILE_DATA (STATE_CPU (sd, i)), 0, | |
1235 | sizeof (* CPU_PROFILE_DATA (STATE_CPU (sd, i)))); | |
1236 | #if WITH_PROFILE_INSN_P | |
1237 | sim_module_add_init_fn (sd, profile_insn_init); | |
1238 | #endif | |
1239 | #if WITH_PROFILE_PC_P | |
1240 | sim_module_add_uninstall_fn (sd, profile_pc_uninstall); | |
1241 | sim_module_add_init_fn (sd, profile_pc_init); | |
1242 | #endif | |
1243 | sim_module_add_init_fn (sd, profile_init); | |
1244 | sim_module_add_uninstall_fn (sd, profile_uninstall); | |
1245 | sim_module_add_info_fn (sd, profile_info); | |
1246 | return SIM_RC_OK; | |
1247 | } | |
1248 | ||
1249 | static SIM_RC | |
1250 | profile_init (SIM_DESC sd) | |
1251 | { | |
1252 | #ifdef SIM_HAVE_ADDR_RANGE | |
1253 | /* Check if a range has been specified without specifying what to | |
1254 | collect. */ | |
1255 | { | |
1256 | int i; | |
1257 | ||
1258 | for (i = 0; i < MAX_NR_PROCESSORS; ++i) | |
1259 | { | |
1260 | sim_cpu *cpu = STATE_CPU (sd, i); | |
1261 | ||
1262 | if (ADDR_RANGE_RANGES (PROFILE_RANGE (CPU_PROFILE_DATA (cpu))) | |
1263 | && ! (PROFILE_INSN_P (cpu) | |
1264 | || PROFILE_MODEL_P (cpu))) | |
1265 | { | |
1266 | sim_io_eprintf_cpu (cpu, "Profiling address range specified without --profile-insn or --profile-model.\n"); | |
1267 | sim_io_eprintf_cpu (cpu, "Address range ignored.\n"); | |
1268 | sim_addr_range_delete (PROFILE_RANGE (CPU_PROFILE_DATA (cpu)), | |
1269 | 0, ~ (address_word) 0); | |
1270 | } | |
1271 | } | |
1272 | } | |
1273 | #endif | |
1274 | ||
1275 | return SIM_RC_OK; | |
1276 | } | |
1277 | ||
1278 | static void | |
1279 | profile_uninstall (SIM_DESC sd) | |
1280 | { | |
1281 | int i,j; | |
1282 | ||
1283 | for (i = 0; i < MAX_NR_PROCESSORS; ++i) | |
1284 | { | |
1285 | sim_cpu *cpu = STATE_CPU (sd, i); | |
1286 | PROFILE_DATA *data = CPU_PROFILE_DATA (cpu); | |
1287 | ||
1288 | if (PROFILE_FILE (data) != NULL) | |
1289 | { | |
1290 | /* If output from different cpus is going to the same file, | |
1291 | avoid closing the file twice. */ | |
1292 | for (j = 0; j < i; ++j) | |
1293 | if (PROFILE_FILE (CPU_PROFILE_DATA (STATE_CPU (sd, j))) | |
1294 | == PROFILE_FILE (data)) | |
1295 | break; | |
1296 | if (i == j) | |
1297 | fclose (PROFILE_FILE (data)); | |
1298 | } | |
1299 | ||
1300 | if (PROFILE_INSN_COUNT (data) != NULL) | |
d79fe0d6 | 1301 | free (PROFILE_INSN_COUNT (data)); |
c906108c SS |
1302 | } |
1303 | } |