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c906108c | 1 | /* Default profiling support. |
3666a048 | 2 | Copyright (C) 1996-2021 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 MF |
23 | #include <ctype.h> |
24 | #include <stdlib.h> | |
25 | #include <string.h> | |
26 | ||
c906108c SS |
27 | #include "sim-main.h" |
28 | #include "sim-io.h" | |
29 | #include "sim-options.h" | |
30 | #include "sim-assert.h" | |
31 | ||
5be229c0 MF |
32 | #if !WITH_PROFILE_PC_P |
33 | static unsigned int _profile_stub; | |
34 | # define PROFILE_PC_FREQ(p) _profile_stub | |
35 | # define PROFILE_PC_NR_BUCKETS(p) _profile_stub | |
36 | # define PROFILE_PC_SHIFT(p) _profile_stub | |
37 | # define PROFILE_PC_START(p) _profile_stub | |
38 | # define PROFILE_PC_END(p) _profile_stub | |
39 | # define PROFILE_INSN_COUNT(p) &_profile_stub | |
40 | #endif | |
41 | ||
c906108c SS |
42 | #define COMMAS(n) sim_add_commas (comma_buf, sizeof (comma_buf), (n)) |
43 | ||
44 | static MODULE_INIT_FN profile_init; | |
45 | static MODULE_UNINSTALL_FN profile_uninstall; | |
46 | ||
47 | static DECLARE_OPTION_HANDLER (profile_option_handler); | |
48 | ||
49 | enum { | |
50 | OPTION_PROFILE_INSN = OPTION_START, | |
51 | OPTION_PROFILE_MEMORY, | |
52 | OPTION_PROFILE_MODEL, | |
53 | OPTION_PROFILE_FILE, | |
54 | OPTION_PROFILE_CORE, | |
09032128 | 55 | OPTION_PROFILE_CPU_FREQUENCY, |
c906108c SS |
56 | OPTION_PROFILE_PC, |
57 | OPTION_PROFILE_PC_RANGE, | |
58 | OPTION_PROFILE_PC_GRANULARITY, | |
59 | OPTION_PROFILE_RANGE, | |
60 | OPTION_PROFILE_FUNCTION | |
61 | }; | |
62 | ||
63 | static const OPTION profile_options[] = { | |
64 | { {"profile", optional_argument, NULL, 'p'}, | |
65 | 'p', "on|off", "Perform profiling", | |
21cf617c | 66 | profile_option_handler, NULL }, |
c906108c SS |
67 | { {"profile-insn", optional_argument, NULL, OPTION_PROFILE_INSN}, |
68 | '\0', "on|off", "Perform instruction profiling", | |
21cf617c | 69 | profile_option_handler, NULL }, |
c906108c SS |
70 | { {"profile-memory", optional_argument, NULL, OPTION_PROFILE_MEMORY}, |
71 | '\0', "on|off", "Perform memory profiling", | |
21cf617c | 72 | profile_option_handler, NULL }, |
c906108c SS |
73 | { {"profile-core", optional_argument, NULL, OPTION_PROFILE_CORE}, |
74 | '\0', "on|off", "Perform CORE profiling", | |
21cf617c | 75 | profile_option_handler, NULL }, |
c906108c SS |
76 | { {"profile-model", optional_argument, NULL, OPTION_PROFILE_MODEL}, |
77 | '\0', "on|off", "Perform model profiling", | |
21cf617c | 78 | profile_option_handler, NULL }, |
09032128 DB |
79 | { {"profile-cpu-frequency", required_argument, NULL, |
80 | OPTION_PROFILE_CPU_FREQUENCY}, | |
81 | '\0', "CPU FREQUENCY", "Specify the speed of the simulated cpu clock", | |
21cf617c | 82 | profile_option_handler, NULL }, |
c906108c SS |
83 | |
84 | { {"profile-file", required_argument, NULL, OPTION_PROFILE_FILE}, | |
85 | '\0', "FILE NAME", "Specify profile output file", | |
21cf617c | 86 | profile_option_handler, NULL }, |
c906108c SS |
87 | |
88 | { {"profile-pc", optional_argument, NULL, OPTION_PROFILE_PC}, | |
89 | '\0', "on|off", "Perform PC profiling", | |
21cf617c | 90 | profile_option_handler, NULL }, |
c906108c SS |
91 | { {"profile-pc-frequency", required_argument, NULL, 'F'}, |
92 | 'F', "PC PROFILE FREQUENCY", "Specified PC profiling frequency", | |
21cf617c | 93 | profile_option_handler, NULL }, |
c906108c SS |
94 | { {"profile-pc-size", required_argument, NULL, 'S'}, |
95 | 'S', "PC PROFILE SIZE", "Specify PC profiling size", | |
21cf617c | 96 | profile_option_handler, NULL }, |
c906108c SS |
97 | { {"profile-pc-granularity", required_argument, NULL, OPTION_PROFILE_PC_GRANULARITY}, |
98 | '\0', "PC PROFILE GRANULARITY", "Specify PC profiling sample coverage", | |
21cf617c | 99 | profile_option_handler, NULL }, |
c906108c SS |
100 | { {"profile-pc-range", required_argument, NULL, OPTION_PROFILE_PC_RANGE}, |
101 | '\0', "BASE,BOUND", "Specify PC profiling address range", | |
21cf617c | 102 | profile_option_handler, NULL }, |
c906108c SS |
103 | |
104 | #ifdef SIM_HAVE_ADDR_RANGE | |
105 | { {"profile-range", required_argument, NULL, OPTION_PROFILE_RANGE}, | |
106 | '\0', "START,END", "Specify range of addresses for instruction and model profiling", | |
21cf617c | 107 | profile_option_handler, NULL }, |
c906108c SS |
108 | #if 0 /*wip*/ |
109 | { {"profile-function", required_argument, NULL, OPTION_PROFILE_FUNCTION}, | |
110 | '\0', "FUNCTION", "Specify function to profile", | |
21cf617c | 111 | profile_option_handler, NULL }, |
c906108c SS |
112 | #endif |
113 | #endif | |
114 | ||
21cf617c | 115 | { {NULL, no_argument, NULL, 0}, '\0', NULL, NULL, NULL, NULL } |
c906108c SS |
116 | }; |
117 | ||
118 | /* Set/reset the profile options indicated in MASK. */ | |
119 | ||
ed9a39eb | 120 | SIM_RC |
c906108c SS |
121 | set_profile_option_mask (SIM_DESC sd, const char *name, int mask, const char *arg) |
122 | { | |
123 | int profile_nr; | |
124 | int cpu_nr; | |
125 | int profile_val = 1; | |
126 | ||
127 | if (arg != NULL) | |
128 | { | |
129 | if (strcmp (arg, "yes") == 0 | |
130 | || strcmp (arg, "on") == 0 | |
131 | || strcmp (arg, "1") == 0) | |
132 | profile_val = 1; | |
133 | else if (strcmp (arg, "no") == 0 | |
134 | || strcmp (arg, "off") == 0 | |
135 | || strcmp (arg, "0") == 0) | |
136 | profile_val = 0; | |
137 | else | |
138 | { | |
139 | sim_io_eprintf (sd, "Argument `%s' for `--profile%s' invalid, one of `on', `off', `yes', `no' expected\n", arg, name); | |
140 | return SIM_RC_FAIL; | |
141 | } | |
142 | } | |
143 | ||
144 | /* update applicable profile bits */ | |
145 | for (profile_nr = 0; profile_nr < MAX_PROFILE_VALUES; ++profile_nr) | |
146 | { | |
147 | if ((mask & (1 << profile_nr)) == 0) | |
148 | continue; | |
149 | ||
150 | #if 0 /* see sim-trace.c, set flags in STATE here if/when there are any */ | |
151 | /* Set non-cpu specific values. */ | |
152 | switch (profile_nr) | |
153 | { | |
154 | case ??? : | |
155 | break; | |
156 | } | |
157 | #endif | |
158 | ||
159 | /* Set cpu values. */ | |
160 | for (cpu_nr = 0; cpu_nr < MAX_NR_PROCESSORS; cpu_nr++) | |
161 | { | |
162 | CPU_PROFILE_FLAGS (STATE_CPU (sd, cpu_nr))[profile_nr] = profile_val; | |
163 | } | |
164 | } | |
165 | ||
166 | /* Re-compute the cpu profile summary. */ | |
167 | if (profile_val) | |
168 | { | |
169 | for (cpu_nr = 0; cpu_nr < MAX_NR_PROCESSORS; cpu_nr++) | |
170 | CPU_PROFILE_DATA (STATE_CPU (sd, cpu_nr))->profile_any_p = 1; | |
171 | } | |
172 | else | |
173 | { | |
174 | for (cpu_nr = 0; cpu_nr < MAX_NR_PROCESSORS; cpu_nr++) | |
175 | { | |
176 | CPU_PROFILE_DATA (STATE_CPU (sd, cpu_nr))->profile_any_p = 0; | |
177 | for (profile_nr = 0; profile_nr < MAX_PROFILE_VALUES; ++profile_nr) | |
178 | { | |
179 | if (CPU_PROFILE_FLAGS (STATE_CPU (sd, cpu_nr))[profile_nr]) | |
180 | { | |
181 | CPU_PROFILE_DATA (STATE_CPU (sd, cpu_nr))->profile_any_p = 1; | |
182 | break; | |
183 | } | |
184 | } | |
185 | } | |
028f6515 | 186 | } |
c906108c SS |
187 | |
188 | return SIM_RC_OK; | |
189 | } | |
190 | ||
191 | /* Set one profile option based on its IDX value. | |
192 | Not static as cgen-scache.c uses it. */ | |
193 | ||
194 | SIM_RC | |
195 | sim_profile_set_option (SIM_DESC sd, const char *name, int idx, const char *arg) | |
196 | { | |
197 | return set_profile_option_mask (sd, name, 1 << idx, arg); | |
198 | } | |
199 | ||
09032128 DB |
200 | static SIM_RC |
201 | parse_frequency (SIM_DESC sd, const char *arg, unsigned long *freq) | |
202 | { | |
203 | const char *ch; | |
204 | /* First, parse a decimal number. */ | |
205 | *freq = 0; | |
206 | ch = arg; | |
207 | if (isdigit (*arg)) | |
208 | { | |
209 | for (/**/; *ch != '\0'; ++ch) | |
210 | { | |
211 | if (! isdigit (*ch)) | |
212 | break; | |
213 | *freq = *freq * 10 + (*ch - '0'); | |
214 | } | |
215 | ||
216 | /* Accept KHz, MHz or Hz as a suffix. */ | |
217 | if (tolower (*ch) == 'm') | |
218 | { | |
219 | *freq *= 1000000; | |
220 | ++ch; | |
221 | } | |
222 | else if (tolower (*ch) == 'k') | |
223 | { | |
224 | *freq *= 1000; | |
225 | ++ch; | |
226 | } | |
227 | ||
228 | if (tolower (*ch) == 'h') | |
229 | { | |
230 | ++ch; | |
231 | if (tolower (*ch) == 'z') | |
232 | ++ch; | |
233 | } | |
234 | } | |
235 | ||
236 | if (*ch != '\0') | |
237 | { | |
238 | sim_io_eprintf (sd, "Invalid argument for --profile-cpu-frequency: %s\n", | |
239 | arg); | |
240 | *freq = 0; | |
241 | return SIM_RC_FAIL; | |
242 | } | |
243 | ||
244 | return SIM_RC_OK; | |
245 | } | |
246 | ||
c906108c SS |
247 | static SIM_RC |
248 | profile_option_handler (SIM_DESC sd, | |
249 | sim_cpu *cpu, | |
250 | int opt, | |
251 | char *arg, | |
252 | int is_command) | |
253 | { | |
cdc2a5c3 | 254 | int cpu_nr; |
c906108c SS |
255 | |
256 | /* FIXME: Need to handle `cpu' arg. */ | |
257 | ||
258 | switch (opt) | |
259 | { | |
260 | case 'p' : | |
261 | if (! WITH_PROFILE) | |
262 | sim_io_eprintf (sd, "Profiling not compiled in, `-p' ignored\n"); | |
263 | else | |
264 | return set_profile_option_mask (sd, "profile", PROFILE_USEFUL_MASK, | |
265 | arg); | |
266 | break; | |
267 | ||
268 | case OPTION_PROFILE_INSN : | |
269 | if (WITH_PROFILE_INSN_P) | |
270 | return sim_profile_set_option (sd, "-insn", PROFILE_INSN_IDX, arg); | |
271 | else | |
272 | sim_io_eprintf (sd, "Instruction profiling not compiled in, `--profile-insn' ignored\n"); | |
273 | break; | |
274 | ||
275 | case OPTION_PROFILE_MEMORY : | |
276 | if (WITH_PROFILE_MEMORY_P) | |
277 | return sim_profile_set_option (sd, "-memory", PROFILE_MEMORY_IDX, arg); | |
278 | else | |
279 | sim_io_eprintf (sd, "Memory profiling not compiled in, `--profile-memory' ignored\n"); | |
280 | break; | |
281 | ||
282 | case OPTION_PROFILE_CORE : | |
283 | if (WITH_PROFILE_CORE_P) | |
284 | return sim_profile_set_option (sd, "-core", PROFILE_CORE_IDX, arg); | |
285 | else | |
286 | sim_io_eprintf (sd, "CORE profiling not compiled in, `--profile-core' ignored\n"); | |
287 | break; | |
288 | ||
289 | case OPTION_PROFILE_MODEL : | |
290 | if (WITH_PROFILE_MODEL_P) | |
291 | return sim_profile_set_option (sd, "-model", PROFILE_MODEL_IDX, arg); | |
292 | else | |
293 | sim_io_eprintf (sd, "Model profiling not compiled in, `--profile-model' ignored\n"); | |
294 | break; | |
295 | ||
09032128 DB |
296 | case OPTION_PROFILE_CPU_FREQUENCY : |
297 | { | |
298 | unsigned long val; | |
299 | SIM_RC rc = parse_frequency (sd, arg, &val); | |
300 | if (rc == SIM_RC_OK) | |
301 | { | |
302 | for (cpu_nr = 0; cpu_nr < MAX_NR_PROCESSORS; ++cpu_nr) | |
303 | PROFILE_CPU_FREQ (CPU_PROFILE_DATA (STATE_CPU (sd,cpu_nr))) = val; | |
304 | } | |
305 | return rc; | |
306 | } | |
307 | ||
c906108c SS |
308 | case OPTION_PROFILE_FILE : |
309 | /* FIXME: Might want this to apply to pc profiling only, | |
310 | or have two profile file options. */ | |
311 | if (! WITH_PROFILE) | |
312 | sim_io_eprintf (sd, "Profiling not compiled in, `--profile-file' ignored\n"); | |
313 | else | |
314 | { | |
315 | FILE *f = fopen (arg, "w"); | |
316 | ||
317 | if (f == NULL) | |
318 | { | |
319 | sim_io_eprintf (sd, "Unable to open profile output file `%s'\n", arg); | |
320 | return SIM_RC_FAIL; | |
321 | } | |
322 | for (cpu_nr = 0; cpu_nr < MAX_NR_PROCESSORS; ++cpu_nr) | |
323 | PROFILE_FILE (CPU_PROFILE_DATA (STATE_CPU (sd, cpu_nr))) = f; | |
324 | } | |
325 | break; | |
326 | ||
327 | case OPTION_PROFILE_PC: | |
328 | if (WITH_PROFILE_PC_P) | |
329 | return sim_profile_set_option (sd, "-pc", PROFILE_PC_IDX, arg); | |
330 | else | |
331 | sim_io_eprintf (sd, "PC profiling not compiled in, `--profile-pc' ignored\n"); | |
332 | break; | |
333 | ||
334 | case 'F' : | |
335 | if (WITH_PROFILE_PC_P) | |
336 | { | |
337 | /* FIXME: Validate arg. */ | |
338 | int val = atoi (arg); | |
339 | for (cpu_nr = 0; cpu_nr < MAX_NR_PROCESSORS; ++cpu_nr) | |
340 | PROFILE_PC_FREQ (CPU_PROFILE_DATA (STATE_CPU (sd, cpu_nr))) = val; | |
341 | for (cpu_nr = 0; cpu_nr < MAX_NR_PROCESSORS; ++cpu_nr) | |
342 | CPU_PROFILE_FLAGS (STATE_CPU (sd, cpu_nr))[PROFILE_PC_IDX] = 1; | |
343 | } | |
344 | else | |
345 | sim_io_eprintf (sd, "PC profiling not compiled in, `--profile-pc-frequency' ignored\n"); | |
346 | break; | |
347 | ||
348 | case 'S' : | |
349 | if (WITH_PROFILE_PC_P) | |
350 | { | |
351 | /* FIXME: Validate arg. */ | |
352 | int val = atoi (arg); | |
353 | for (cpu_nr = 0; cpu_nr < MAX_NR_PROCESSORS; ++cpu_nr) | |
354 | PROFILE_PC_NR_BUCKETS (CPU_PROFILE_DATA (STATE_CPU (sd, cpu_nr))) = val; | |
355 | for (cpu_nr = 0; cpu_nr < MAX_NR_PROCESSORS; ++cpu_nr) | |
356 | CPU_PROFILE_FLAGS (STATE_CPU (sd, cpu_nr))[PROFILE_PC_IDX] = 1; | |
357 | } | |
358 | else | |
359 | sim_io_eprintf (sd, "PC profiling not compiled in, `--profile-pc-size' ignored\n"); | |
360 | break; | |
361 | ||
362 | case OPTION_PROFILE_PC_GRANULARITY: | |
363 | if (WITH_PROFILE_PC_P) | |
364 | { | |
365 | int shift; | |
366 | int val = atoi (arg); | |
367 | /* check that the granularity is a power of two */ | |
368 | shift = 0; | |
369 | while (val > (1 << shift)) | |
370 | { | |
371 | shift += 1; | |
372 | } | |
373 | if (val != (1 << shift)) | |
374 | { | |
375 | sim_io_eprintf (sd, "PC profiling granularity not a power of two\n"); | |
376 | return SIM_RC_FAIL; | |
377 | } | |
378 | if (shift == 0) | |
379 | { | |
380 | sim_io_eprintf (sd, "PC profiling granularity too small"); | |
381 | return SIM_RC_FAIL; | |
382 | } | |
383 | for (cpu_nr = 0; cpu_nr < MAX_NR_PROCESSORS; ++cpu_nr) | |
384 | PROFILE_PC_SHIFT (CPU_PROFILE_DATA (STATE_CPU (sd, cpu_nr))) = shift; | |
385 | for (cpu_nr = 0; cpu_nr < MAX_NR_PROCESSORS; ++cpu_nr) | |
386 | CPU_PROFILE_FLAGS (STATE_CPU (sd, cpu_nr))[PROFILE_PC_IDX] = 1; | |
387 | } | |
388 | else | |
389 | sim_io_eprintf (sd, "PC profiling not compiled in, `--profile-pc-granularity' ignored\n"); | |
390 | break; | |
391 | ||
392 | case OPTION_PROFILE_PC_RANGE: | |
393 | if (WITH_PROFILE_PC_P) | |
394 | { | |
395 | /* FIXME: Validate args */ | |
396 | char *chp = arg; | |
397 | unsigned long base; | |
398 | unsigned long bound; | |
399 | base = strtoul (chp, &chp, 0); | |
400 | if (*chp != ',') | |
401 | { | |
402 | sim_io_eprintf (sd, "--profile-pc-range missing BOUND argument\n"); | |
403 | return SIM_RC_FAIL; | |
404 | } | |
405 | bound = strtoul (chp + 1, NULL, 0); | |
406 | for (cpu_nr = 0; cpu_nr < MAX_NR_PROCESSORS; ++cpu_nr) | |
407 | { | |
408 | PROFILE_PC_START (CPU_PROFILE_DATA (STATE_CPU (sd, cpu_nr))) = base; | |
409 | PROFILE_PC_END (CPU_PROFILE_DATA (STATE_CPU (sd, cpu_nr))) = bound; | |
028f6515 | 410 | } |
c906108c SS |
411 | for (cpu_nr = 0; cpu_nr < MAX_NR_PROCESSORS; ++cpu_nr) |
412 | CPU_PROFILE_FLAGS (STATE_CPU (sd, cpu_nr))[PROFILE_PC_IDX] = 1; | |
413 | } | |
414 | else | |
415 | sim_io_eprintf (sd, "PC profiling not compiled in, `--profile-pc-range' ignored\n"); | |
416 | break; | |
417 | ||
418 | #ifdef SIM_HAVE_ADDR_RANGE | |
419 | case OPTION_PROFILE_RANGE : | |
420 | if (WITH_PROFILE) | |
421 | { | |
422 | char *chp = arg; | |
423 | unsigned long start,end; | |
424 | start = strtoul (chp, &chp, 0); | |
425 | if (*chp != ',') | |
426 | { | |
427 | sim_io_eprintf (sd, "--profile-range missing END argument\n"); | |
428 | return SIM_RC_FAIL; | |
429 | } | |
430 | end = strtoul (chp + 1, NULL, 0); | |
431 | /* FIXME: Argument validation. */ | |
432 | if (cpu != NULL) | |
433 | sim_addr_range_add (PROFILE_RANGE (CPU_PROFILE_DATA (cpu)), | |
434 | start, end); | |
435 | else | |
436 | for (cpu_nr = 0; cpu_nr < MAX_NR_PROCESSORS; ++cpu_nr) | |
437 | sim_addr_range_add (PROFILE_RANGE (CPU_PROFILE_DATA (STATE_CPU (sd, cpu_nr))), | |
438 | start, end); | |
439 | } | |
440 | else | |
441 | sim_io_eprintf (sd, "Profiling not compiled in, `--profile-range' ignored\n"); | |
442 | break; | |
443 | ||
444 | case OPTION_PROFILE_FUNCTION : | |
445 | if (WITH_PROFILE) | |
446 | { | |
447 | /*wip: need to compute function range given name*/ | |
448 | } | |
449 | else | |
450 | sim_io_eprintf (sd, "Profiling not compiled in, `--profile-function' ignored\n"); | |
451 | break; | |
452 | #endif /* SIM_HAVE_ADDR_RANGE */ | |
453 | } | |
454 | ||
455 | return SIM_RC_OK; | |
456 | } | |
457 | \f | |
0d3d2c71 MF |
458 | /* Profiling output hooks. */ |
459 | ||
f08708cb | 460 | static void ATTRIBUTE_PRINTF (3, 0) |
0d3d2c71 MF |
461 | profile_vprintf (SIM_DESC sd, sim_cpu *cpu, const char *fmt, va_list ap) |
462 | { | |
463 | FILE *fp = PROFILE_FILE (CPU_PROFILE_DATA (cpu)); | |
464 | ||
465 | /* If an output file was given, redirect output to that. */ | |
466 | if (fp != NULL) | |
467 | vfprintf (fp, fmt, ap); | |
468 | else | |
469 | sim_io_evprintf (sd, fmt, ap); | |
470 | } | |
471 | ||
f0c4dc40 | 472 | ATTRIBUTE_PRINTF (3, 4) |
0d3d2c71 MF |
473 | static void |
474 | profile_printf (SIM_DESC sd, sim_cpu *cpu, const char *fmt, ...) | |
475 | { | |
476 | va_list ap; | |
477 | ||
478 | va_start (ap, fmt); | |
479 | profile_vprintf (sd, cpu, fmt, ap); | |
480 | va_end (ap); | |
481 | } | |
482 | \f | |
c906108c SS |
483 | /* PC profiling support */ |
484 | ||
485 | #if WITH_PROFILE_PC_P | |
486 | ||
487 | static void | |
488 | profile_pc_cleanup (SIM_DESC sd) | |
489 | { | |
490 | int n; | |
491 | for (n = 0; n < MAX_NR_PROCESSORS; n++) | |
492 | { | |
493 | sim_cpu *cpu = STATE_CPU (sd, n); | |
494 | PROFILE_DATA *data = CPU_PROFILE_DATA (cpu); | |
495 | if (PROFILE_PC_COUNT (data) != NULL) | |
d79fe0d6 | 496 | free (PROFILE_PC_COUNT (data)); |
c906108c SS |
497 | PROFILE_PC_COUNT (data) = NULL; |
498 | if (PROFILE_PC_EVENT (data) != NULL) | |
499 | sim_events_deschedule (sd, PROFILE_PC_EVENT (data)); | |
500 | PROFILE_PC_EVENT (data) = NULL; | |
501 | } | |
502 | } | |
503 | ||
504 | ||
505 | static void | |
506 | profile_pc_uninstall (SIM_DESC sd) | |
507 | { | |
508 | profile_pc_cleanup (sd); | |
509 | } | |
510 | ||
511 | static void | |
512 | profile_pc_event (SIM_DESC sd, | |
513 | void *data) | |
514 | { | |
515 | sim_cpu *cpu = (sim_cpu*) data; | |
516 | PROFILE_DATA *profile = CPU_PROFILE_DATA (cpu); | |
596f8827 | 517 | address_word pc = sim_pc_get (cpu); |
c906108c | 518 | unsigned i; |
c906108c SS |
519 | i = (pc - PROFILE_PC_START (profile)) >> PROFILE_PC_SHIFT (profile); |
520 | if (i < PROFILE_PC_NR_BUCKETS (profile)) | |
521 | PROFILE_PC_COUNT (profile) [i] += 1; /* Overflow? */ | |
522 | else | |
523 | PROFILE_PC_COUNT (profile) [PROFILE_PC_NR_BUCKETS (profile)] += 1; | |
028f6515 | 524 | PROFILE_PC_EVENT (profile) = |
c906108c SS |
525 | sim_events_schedule (sd, PROFILE_PC_FREQ (profile), profile_pc_event, cpu); |
526 | } | |
527 | ||
528 | static SIM_RC | |
529 | profile_pc_init (SIM_DESC sd) | |
530 | { | |
531 | int n; | |
532 | profile_pc_cleanup (sd); | |
533 | for (n = 0; n < MAX_NR_PROCESSORS; n++) | |
534 | { | |
535 | sim_cpu *cpu = STATE_CPU (sd, n); | |
536 | PROFILE_DATA *data = CPU_PROFILE_DATA (cpu); | |
596f8827 | 537 | if (CPU_PROFILE_FLAGS (STATE_CPU (sd, n))[PROFILE_PC_IDX]) |
c906108c SS |
538 | { |
539 | int bucket_size; | |
540 | /* fill in the frequency if not specified */ | |
541 | if (PROFILE_PC_FREQ (data) == 0) | |
41ec9f20 | 542 | PROFILE_PC_FREQ (data) = 257; |
c906108c SS |
543 | /* fill in the start/end if not specified */ |
544 | if (PROFILE_PC_END (data) == 0) | |
545 | { | |
546 | PROFILE_PC_START (data) = STATE_TEXT_START (sd); | |
547 | PROFILE_PC_END (data) = STATE_TEXT_END (sd); | |
548 | } | |
549 | /* Compute the number of buckets if not specified. */ | |
550 | if (PROFILE_PC_NR_BUCKETS (data) == 0) | |
551 | { | |
552 | if (PROFILE_PC_BUCKET_SIZE (data) == 0) | |
553 | PROFILE_PC_NR_BUCKETS (data) = 16; | |
554 | else | |
555 | { | |
556 | if (PROFILE_PC_END (data) == 0) | |
557 | { | |
558 | /* nr_buckets = (full-address-range / 2) / (bucket_size / 2) */ | |
559 | PROFILE_PC_NR_BUCKETS (data) = | |
18d4b488 | 560 | ((1ULL << sizeof (sim_cia) * (8 - 1)) |
c906108c SS |
561 | / (PROFILE_PC_BUCKET_SIZE (data) / 2)); |
562 | } | |
563 | else | |
564 | { | |
565 | PROFILE_PC_NR_BUCKETS (data) = | |
566 | ((PROFILE_PC_END (data) | |
567 | - PROFILE_PC_START (data) | |
568 | + PROFILE_PC_BUCKET_SIZE (data) - 1) | |
569 | / PROFILE_PC_BUCKET_SIZE (data)); | |
570 | } | |
571 | } | |
572 | } | |
573 | /* Compute the bucket size if not specified. Ensure that it | |
574 | is rounded up to the next power of two */ | |
575 | if (PROFILE_PC_BUCKET_SIZE (data) == 0) | |
576 | { | |
577 | if (PROFILE_PC_END (data) == 0) | |
578 | /* bucket_size = (full-address-range / 2) / (nr_buckets / 2) */ | |
18d4b488 | 579 | bucket_size = ((1ULL << ((sizeof (sim_cia) * 8) - 1)) |
c906108c SS |
580 | / (PROFILE_PC_NR_BUCKETS (data) / 2)); |
581 | else | |
582 | bucket_size = ((PROFILE_PC_END (data) | |
583 | - PROFILE_PC_START (data) | |
584 | + PROFILE_PC_NR_BUCKETS (data) - 1) | |
585 | / PROFILE_PC_NR_BUCKETS (data)); | |
586 | PROFILE_PC_SHIFT (data) = 0; | |
c43ad8eb | 587 | while (bucket_size > PROFILE_PC_BUCKET_SIZE (data)) |
c906108c SS |
588 | { |
589 | PROFILE_PC_SHIFT (data) += 1; | |
590 | } | |
591 | } | |
592 | /* Align the end address with bucket size */ | |
593 | if (PROFILE_PC_END (data) != 0) | |
594 | PROFILE_PC_END (data) = (PROFILE_PC_START (data) | |
595 | + (PROFILE_PC_BUCKET_SIZE (data) | |
596 | * PROFILE_PC_NR_BUCKETS (data))); | |
597 | /* create the relevant buffers */ | |
598 | PROFILE_PC_COUNT (data) = | |
599 | NZALLOC (unsigned, PROFILE_PC_NR_BUCKETS (data) + 1); | |
600 | PROFILE_PC_EVENT (data) = | |
601 | sim_events_schedule (sd, | |
602 | PROFILE_PC_FREQ (data), | |
603 | profile_pc_event, | |
604 | cpu); | |
605 | } | |
606 | } | |
607 | return SIM_RC_OK; | |
608 | } | |
609 | ||
610 | static void | |
611 | profile_print_pc (sim_cpu *cpu, int verbose) | |
612 | { | |
613 | SIM_DESC sd = CPU_STATE (cpu); | |
614 | PROFILE_DATA *profile = CPU_PROFILE_DATA (cpu); | |
615 | char comma_buf[20]; | |
616 | unsigned max_val; | |
617 | unsigned total; | |
618 | unsigned i; | |
619 | ||
620 | if (PROFILE_PC_COUNT (profile) == 0) | |
621 | return; | |
622 | ||
0d3d2c71 | 623 | profile_printf (sd, cpu, "Program Counter Statistics:\n\n"); |
c906108c SS |
624 | |
625 | /* First pass over data computes various things. */ | |
626 | max_val = 0; | |
627 | total = 0; | |
628 | for (i = 0; i <= PROFILE_PC_NR_BUCKETS (profile); ++i) | |
629 | { | |
630 | total += PROFILE_PC_COUNT (profile) [i]; | |
631 | if (PROFILE_PC_COUNT (profile) [i] > max_val) | |
632 | max_val = PROFILE_PC_COUNT (profile) [i]; | |
633 | } | |
634 | ||
0d3d2c71 MF |
635 | profile_printf (sd, cpu, " Total samples: %s\n", |
636 | COMMAS (total)); | |
637 | profile_printf (sd, cpu, " Granularity: %s bytes per bucket\n", | |
638 | COMMAS (PROFILE_PC_BUCKET_SIZE (profile))); | |
639 | profile_printf (sd, cpu, " Size: %s buckets\n", | |
640 | COMMAS (PROFILE_PC_NR_BUCKETS (profile))); | |
641 | profile_printf (sd, cpu, " Frequency: %s cycles per sample\n", | |
642 | COMMAS (PROFILE_PC_FREQ (profile))); | |
c906108c SS |
643 | |
644 | if (PROFILE_PC_END (profile) != 0) | |
0d3d2c71 MF |
645 | profile_printf (sd, cpu, " Range: 0x%lx 0x%lx\n", |
646 | (long) PROFILE_PC_START (profile), | |
c906108c SS |
647 | (long) PROFILE_PC_END (profile)); |
648 | ||
649 | if (verbose && max_val != 0) | |
650 | { | |
651 | /* Now we can print the histogram. */ | |
0d3d2c71 | 652 | profile_printf (sd, cpu, "\n"); |
c906108c SS |
653 | for (i = 0; i <= PROFILE_PC_NR_BUCKETS (profile); ++i) |
654 | { | |
655 | if (PROFILE_PC_COUNT (profile) [i] != 0) | |
656 | { | |
0d3d2c71 | 657 | profile_printf (sd, cpu, " "); |
c906108c | 658 | if (i == PROFILE_PC_NR_BUCKETS (profile)) |
0d3d2c71 | 659 | profile_printf (sd, cpu, "%10s:", "overflow"); |
c906108c | 660 | else |
0d3d2c71 MF |
661 | profile_printf (sd, cpu, "0x%08lx:", |
662 | (long) (PROFILE_PC_START (profile) | |
663 | + (i * PROFILE_PC_BUCKET_SIZE (profile)))); | |
664 | profile_printf (sd, cpu, " %*s", | |
665 | max_val < 10000 ? 5 : 10, | |
666 | COMMAS (PROFILE_PC_COUNT (profile) [i])); | |
667 | profile_printf (sd, cpu, " %4.1f", | |
668 | (PROFILE_PC_COUNT (profile) [i] * 100.0) / total); | |
669 | profile_printf (sd, cpu, ": "); | |
670 | sim_profile_print_bar (sd, cpu, PROFILE_HISTOGRAM_WIDTH, | |
c906108c SS |
671 | PROFILE_PC_COUNT (profile) [i], |
672 | max_val); | |
0d3d2c71 | 673 | profile_printf (sd, cpu, "\n"); |
c906108c SS |
674 | } |
675 | } | |
676 | } | |
677 | ||
678 | /* dump the histogram to the file "gmon.out" using BSD's gprof file | |
679 | format */ | |
680 | /* Since a profile data file is in the native format of the host on | |
681 | which the profile is being, endian issues are not considered in | |
682 | the code below. */ | |
683 | /* FIXME: Is this the best place for this code? */ | |
684 | { | |
685 | FILE *pf = fopen ("gmon.out", "wb"); | |
028f6515 | 686 | |
c906108c SS |
687 | if (pf == NULL) |
688 | sim_io_eprintf (sd, "Failed to open \"gmon.out\" profile file\n"); | |
689 | else | |
690 | { | |
691 | int ok; | |
692 | /* FIXME: what if the target has a 64 bit PC? */ | |
693 | unsigned32 header[3]; | |
694 | unsigned loop; | |
695 | if (PROFILE_PC_END (profile) != 0) | |
696 | { | |
697 | header[0] = PROFILE_PC_START (profile); | |
698 | header[1] = PROFILE_PC_END (profile); | |
699 | } | |
700 | else | |
701 | { | |
702 | header[0] = 0; | |
703 | header[1] = 0; | |
704 | } | |
705 | /* size of sample buffer (+ header) */ | |
706 | header[2] = PROFILE_PC_NR_BUCKETS (profile) * 2 + sizeof (header); | |
c43ad8eb BE |
707 | |
708 | /* Header must be written out in target byte order. */ | |
709 | H2T (header[0]); | |
710 | H2T (header[1]); | |
711 | H2T (header[2]); | |
712 | ||
c906108c SS |
713 | ok = fwrite (&header, sizeof (header), 1, pf); |
714 | for (loop = 0; | |
715 | ok && (loop < PROFILE_PC_NR_BUCKETS (profile)); | |
716 | loop++) | |
717 | { | |
718 | signed16 sample; | |
719 | if (PROFILE_PC_COUNT (profile) [loop] >= 0xffff) | |
720 | sample = 0xffff; | |
721 | else | |
722 | sample = PROFILE_PC_COUNT (profile) [loop]; | |
41ec9f20 | 723 | H2T (sample); |
c906108c SS |
724 | ok = fwrite (&sample, sizeof (sample), 1, pf); |
725 | } | |
726 | if (ok == 0) | |
727 | sim_io_eprintf (sd, "Failed to write to \"gmon.out\" profile file\n"); | |
34b47c38 | 728 | fclose (pf); |
c906108c SS |
729 | } |
730 | } | |
731 | ||
0d3d2c71 | 732 | profile_printf (sd, cpu, "\n"); |
c906108c SS |
733 | } |
734 | ||
735 | #endif | |
736 | \f | |
737 | /* Summary printing support. */ | |
738 | ||
739 | #if WITH_PROFILE_INSN_P | |
740 | ||
741 | static SIM_RC | |
742 | profile_insn_init (SIM_DESC sd) | |
743 | { | |
744 | int c; | |
745 | ||
746 | for (c = 0; c < MAX_NR_PROCESSORS; ++c) | |
747 | { | |
748 | sim_cpu *cpu = STATE_CPU (sd, c); | |
749 | ||
750 | if (CPU_MAX_INSNS (cpu) > 0) | |
751 | PROFILE_INSN_COUNT (CPU_PROFILE_DATA (cpu)) = NZALLOC (unsigned int, CPU_MAX_INSNS (cpu)); | |
752 | } | |
753 | ||
754 | return SIM_RC_OK; | |
755 | } | |
756 | ||
757 | static void | |
758 | profile_print_insn (sim_cpu *cpu, int verbose) | |
759 | { | |
760 | unsigned int i, n, total, max_val, max_name_len; | |
761 | SIM_DESC sd = CPU_STATE (cpu); | |
762 | PROFILE_DATA *data = CPU_PROFILE_DATA (cpu); | |
763 | char comma_buf[20]; | |
764 | ||
765 | /* If MAX_INSNS not set, insn profiling isn't supported. */ | |
766 | if (CPU_MAX_INSNS (cpu) == 0) | |
767 | return; | |
768 | ||
0d3d2c71 | 769 | profile_printf (sd, cpu, "Instruction Statistics"); |
c906108c SS |
770 | #ifdef SIM_HAVE_ADDR_RANGE |
771 | if (PROFILE_RANGE (data)->ranges) | |
0d3d2c71 | 772 | profile_printf (sd, cpu, " (for selected address range(s))"); |
c906108c | 773 | #endif |
0d3d2c71 | 774 | profile_printf (sd, cpu, "\n\n"); |
c906108c SS |
775 | |
776 | /* First pass over data computes various things. */ | |
777 | max_val = 0; | |
778 | total = 0; | |
779 | max_name_len = 0; | |
780 | for (i = 0; i < CPU_MAX_INSNS (cpu); ++i) | |
781 | { | |
782 | const char *name = (*CPU_INSN_NAME (cpu)) (cpu, i); | |
783 | ||
784 | if (name == NULL) | |
785 | continue; | |
786 | total += PROFILE_INSN_COUNT (data) [i]; | |
787 | if (PROFILE_INSN_COUNT (data) [i] > max_val) | |
788 | max_val = PROFILE_INSN_COUNT (data) [i]; | |
789 | n = strlen (name); | |
790 | if (n > max_name_len) | |
791 | max_name_len = n; | |
792 | } | |
793 | /* set the total insn count, in case client is being lazy */ | |
794 | if (! PROFILE_TOTAL_INSN_COUNT (data)) | |
795 | PROFILE_TOTAL_INSN_COUNT (data) = total; | |
796 | ||
0d3d2c71 | 797 | profile_printf (sd, cpu, " Total: %s insns\n", COMMAS (total)); |
c906108c SS |
798 | |
799 | if (verbose && max_val != 0) | |
800 | { | |
801 | /* Now we can print the histogram. */ | |
0d3d2c71 | 802 | profile_printf (sd, cpu, "\n"); |
c906108c SS |
803 | for (i = 0; i < CPU_MAX_INSNS (cpu); ++i) |
804 | { | |
805 | const char *name = (*CPU_INSN_NAME (cpu)) (cpu, i); | |
806 | ||
807 | if (name == NULL) | |
808 | continue; | |
809 | if (PROFILE_INSN_COUNT (data) [i] != 0) | |
810 | { | |
0d3d2c71 MF |
811 | profile_printf (sd, cpu, " %*s: %*s: ", |
812 | max_name_len, name, | |
813 | max_val < 10000 ? 5 : 10, | |
814 | COMMAS (PROFILE_INSN_COUNT (data) [i])); | |
815 | sim_profile_print_bar (sd, cpu, PROFILE_HISTOGRAM_WIDTH, | |
c906108c SS |
816 | PROFILE_INSN_COUNT (data) [i], |
817 | max_val); | |
0d3d2c71 | 818 | profile_printf (sd, cpu, "\n"); |
c906108c SS |
819 | } |
820 | } | |
821 | } | |
822 | ||
0d3d2c71 | 823 | profile_printf (sd, cpu, "\n"); |
c906108c SS |
824 | } |
825 | ||
826 | #endif | |
827 | ||
828 | #if WITH_PROFILE_MEMORY_P | |
829 | ||
830 | static void | |
831 | profile_print_memory (sim_cpu *cpu, int verbose) | |
832 | { | |
833 | unsigned int i, n; | |
834 | unsigned int total_read, total_write; | |
835 | unsigned int max_val, max_name_len; | |
836 | /* FIXME: Need to add smp support. */ | |
837 | SIM_DESC sd = CPU_STATE (cpu); | |
838 | PROFILE_DATA *data = CPU_PROFILE_DATA (cpu); | |
839 | char comma_buf[20]; | |
840 | ||
0d3d2c71 | 841 | profile_printf (sd, cpu, "Memory Access Statistics\n\n"); |
c906108c SS |
842 | |
843 | /* First pass over data computes various things. */ | |
844 | max_val = total_read = total_write = max_name_len = 0; | |
845 | for (i = 0; i < MODE_TARGET_MAX; ++i) | |
846 | { | |
847 | total_read += PROFILE_READ_COUNT (data) [i]; | |
848 | total_write += PROFILE_WRITE_COUNT (data) [i]; | |
849 | if (PROFILE_READ_COUNT (data) [i] > max_val) | |
850 | max_val = PROFILE_READ_COUNT (data) [i]; | |
851 | if (PROFILE_WRITE_COUNT (data) [i] > max_val) | |
852 | max_val = PROFILE_WRITE_COUNT (data) [i]; | |
853 | n = strlen (MODE_NAME (i)); | |
854 | if (n > max_name_len) | |
855 | max_name_len = n; | |
856 | } | |
857 | ||
858 | /* One could use PROFILE_LABEL_WIDTH here. I chose not to. */ | |
0d3d2c71 MF |
859 | profile_printf (sd, cpu, " Total read: %s accesses\n", |
860 | COMMAS (total_read)); | |
861 | profile_printf (sd, cpu, " Total write: %s accesses\n", | |
862 | COMMAS (total_write)); | |
c906108c SS |
863 | |
864 | if (verbose && max_val != 0) | |
865 | { | |
866 | /* FIXME: Need to separate instruction fetches from data fetches | |
867 | as the former swamps the latter. */ | |
868 | /* Now we can print the histogram. */ | |
0d3d2c71 | 869 | profile_printf (sd, cpu, "\n"); |
c906108c SS |
870 | for (i = 0; i < MODE_TARGET_MAX; ++i) |
871 | { | |
872 | if (PROFILE_READ_COUNT (data) [i] != 0) | |
873 | { | |
0d3d2c71 MF |
874 | profile_printf (sd, cpu, " %*s read: %*s: ", |
875 | max_name_len, MODE_NAME (i), | |
876 | max_val < 10000 ? 5 : 10, | |
877 | COMMAS (PROFILE_READ_COUNT (data) [i])); | |
878 | sim_profile_print_bar (sd, cpu, PROFILE_HISTOGRAM_WIDTH, | |
c906108c SS |
879 | PROFILE_READ_COUNT (data) [i], |
880 | max_val); | |
0d3d2c71 | 881 | profile_printf (sd, cpu, "\n"); |
c906108c SS |
882 | } |
883 | if (PROFILE_WRITE_COUNT (data) [i] != 0) | |
884 | { | |
0d3d2c71 MF |
885 | profile_printf (sd, cpu, " %*s write: %*s: ", |
886 | max_name_len, MODE_NAME (i), | |
887 | max_val < 10000 ? 5 : 10, | |
888 | COMMAS (PROFILE_WRITE_COUNT (data) [i])); | |
889 | sim_profile_print_bar (sd, cpu, PROFILE_HISTOGRAM_WIDTH, | |
c906108c SS |
890 | PROFILE_WRITE_COUNT (data) [i], |
891 | max_val); | |
0d3d2c71 | 892 | profile_printf (sd, cpu, "\n"); |
c906108c SS |
893 | } |
894 | } | |
895 | } | |
896 | ||
0d3d2c71 | 897 | profile_printf (sd, cpu, "\n"); |
c906108c SS |
898 | } |
899 | ||
900 | #endif | |
901 | ||
902 | #if WITH_PROFILE_CORE_P | |
903 | ||
904 | static void | |
905 | profile_print_core (sim_cpu *cpu, int verbose) | |
906 | { | |
907 | unsigned int total; | |
908 | unsigned int max_val; | |
909 | /* FIXME: Need to add smp support. */ | |
910 | SIM_DESC sd = CPU_STATE (cpu); | |
911 | PROFILE_DATA *data = CPU_PROFILE_DATA (cpu); | |
912 | char comma_buf[20]; | |
913 | ||
0d3d2c71 | 914 | profile_printf (sd, cpu, "CORE Statistics\n\n"); |
c906108c SS |
915 | |
916 | /* First pass over data computes various things. */ | |
917 | { | |
918 | unsigned map; | |
919 | total = 0; | |
920 | max_val = 0; | |
921 | for (map = 0; map < nr_maps; map++) | |
922 | { | |
923 | total += PROFILE_CORE_COUNT (data) [map]; | |
924 | if (PROFILE_CORE_COUNT (data) [map] > max_val) | |
925 | max_val = PROFILE_CORE_COUNT (data) [map]; | |
926 | } | |
927 | } | |
928 | ||
929 | /* One could use PROFILE_LABEL_WIDTH here. I chose not to. */ | |
0d3d2c71 MF |
930 | profile_printf (sd, cpu, " Total: %s accesses\n", |
931 | COMMAS (total)); | |
c906108c SS |
932 | |
933 | if (verbose && max_val != 0) | |
934 | { | |
935 | unsigned map; | |
936 | /* Now we can print the histogram. */ | |
0d3d2c71 | 937 | profile_printf (sd, cpu, "\n"); |
c906108c SS |
938 | for (map = 0; map < nr_maps; map++) |
939 | { | |
940 | if (PROFILE_CORE_COUNT (data) [map] != 0) | |
941 | { | |
0d3d2c71 MF |
942 | profile_printf (sd, cpu, "%10s:", map_to_str (map)); |
943 | profile_printf (sd, cpu, "%*s: ", | |
944 | max_val < 10000 ? 5 : 10, | |
945 | COMMAS (PROFILE_CORE_COUNT (data) [map])); | |
946 | sim_profile_print_bar (sd, cpu, PROFILE_HISTOGRAM_WIDTH, | |
c906108c SS |
947 | PROFILE_CORE_COUNT (data) [map], |
948 | max_val); | |
0d3d2c71 | 949 | profile_printf (sd, cpu, "\n"); |
c906108c SS |
950 | } |
951 | } | |
952 | } | |
953 | ||
0d3d2c71 | 954 | profile_printf (sd, cpu, "\n"); |
c906108c SS |
955 | } |
956 | ||
957 | #endif | |
958 | ||
959 | #if WITH_PROFILE_MODEL_P | |
960 | ||
961 | static void | |
962 | profile_print_model (sim_cpu *cpu, int verbose) | |
963 | { | |
964 | SIM_DESC sd = CPU_STATE (cpu); | |
965 | PROFILE_DATA *data = CPU_PROFILE_DATA (cpu); | |
966 | unsigned long cti_stall_cycles = PROFILE_MODEL_CTI_STALL_CYCLES (data); | |
967 | unsigned long load_stall_cycles = PROFILE_MODEL_LOAD_STALL_CYCLES (data); | |
968 | unsigned long total_cycles = PROFILE_MODEL_TOTAL_CYCLES (data); | |
969 | char comma_buf[20]; | |
970 | ||
0d3d2c71 MF |
971 | profile_printf (sd, cpu, "Model %s Timing Information", |
972 | MODEL_NAME (CPU_MODEL (cpu))); | |
c906108c SS |
973 | #ifdef SIM_HAVE_ADDR_RANGE |
974 | if (PROFILE_RANGE (data)->ranges) | |
0d3d2c71 | 975 | profile_printf (sd, cpu, " (for selected address range(s))"); |
c906108c | 976 | #endif |
0d3d2c71 MF |
977 | profile_printf (sd, cpu, "\n\n"); |
978 | profile_printf (sd, cpu, " %-*s %s\n", | |
979 | PROFILE_LABEL_WIDTH, "Taken branches:", | |
980 | COMMAS (PROFILE_MODEL_TAKEN_COUNT (data))); | |
981 | profile_printf (sd, cpu, " %-*s %s\n", | |
982 | PROFILE_LABEL_WIDTH, "Untaken branches:", | |
983 | COMMAS (PROFILE_MODEL_UNTAKEN_COUNT (data))); | |
984 | profile_printf (sd, cpu, " %-*s %s\n", | |
985 | PROFILE_LABEL_WIDTH, "Cycles stalled due to branches:", | |
986 | COMMAS (cti_stall_cycles)); | |
987 | profile_printf (sd, cpu, " %-*s %s\n", | |
988 | PROFILE_LABEL_WIDTH, "Cycles stalled due to loads:", | |
989 | COMMAS (load_stall_cycles)); | |
990 | profile_printf (sd, cpu, " %-*s %s\n", | |
991 | PROFILE_LABEL_WIDTH, "Total cycles (*approximate*):", | |
992 | COMMAS (total_cycles)); | |
993 | profile_printf (sd, cpu, "\n"); | |
c906108c SS |
994 | } |
995 | ||
996 | #endif | |
997 | ||
998 | void | |
0d3d2c71 | 999 | sim_profile_print_bar (SIM_DESC sd, sim_cpu *cpu, unsigned int width, |
c906108c SS |
1000 | unsigned int val, unsigned int max_val) |
1001 | { | |
1002 | unsigned int i, count; | |
1003 | ||
1004 | count = ((double) val / (double) max_val) * (double) width; | |
1005 | ||
1006 | for (i = 0; i < count; ++i) | |
0d3d2c71 | 1007 | profile_printf (sd, cpu, "*"); |
c906108c SS |
1008 | } |
1009 | ||
1010 | /* Print the simulator's execution speed for CPU. */ | |
1011 | ||
1012 | static void | |
1013 | profile_print_speed (sim_cpu *cpu) | |
1014 | { | |
1015 | SIM_DESC sd = CPU_STATE (cpu); | |
1016 | PROFILE_DATA *data = CPU_PROFILE_DATA (cpu); | |
1017 | unsigned long milliseconds = sim_events_elapsed_time (sd); | |
1018 | unsigned long total = PROFILE_TOTAL_INSN_COUNT (data); | |
09032128 DB |
1019 | double clock; |
1020 | double secs; | |
c906108c SS |
1021 | char comma_buf[20]; |
1022 | ||
0d3d2c71 | 1023 | profile_printf (sd, cpu, "Simulator Execution Speed\n\n"); |
c906108c SS |
1024 | |
1025 | if (total != 0) | |
0d3d2c71 | 1026 | profile_printf (sd, cpu, " Total instructions: %s\n", COMMAS (total)); |
c906108c SS |
1027 | |
1028 | if (milliseconds < 1000) | |
0d3d2c71 | 1029 | profile_printf (sd, cpu, " Total execution time: < 1 second\n\n"); |
c906108c SS |
1030 | else |
1031 | { | |
1032 | /* The printing of the time rounded to 2 decimal places makes the speed | |
1033 | calculation seem incorrect [even though it is correct]. So round | |
1034 | MILLISECONDS first. This can marginally affect the result, but it's | |
1035 | better that the user not perceive there's a math error. */ | |
09032128 | 1036 | secs = (double) milliseconds / 1000; |
c906108c | 1037 | secs = ((double) (unsigned long) (secs * 100 + .5)) / 100; |
0d3d2c71 | 1038 | profile_printf (sd, cpu, " Total execution time : %.2f seconds\n", secs); |
c906108c SS |
1039 | /* Don't confuse things with data that isn't useful. |
1040 | If we ran for less than 2 seconds, only use the data if we | |
1041 | executed more than 100,000 insns. */ | |
1042 | if (secs >= 2 || total >= 100000) | |
0d3d2c71 MF |
1043 | profile_printf (sd, cpu, " Simulator speed: %s insns/second\n", |
1044 | COMMAS ((unsigned long) ((double) total / secs))); | |
c906108c | 1045 | } |
09032128 | 1046 | |
09032128 DB |
1047 | /* Print simulated execution time if the cpu frequency has been specified. */ |
1048 | clock = PROFILE_CPU_FREQ (data); | |
1049 | if (clock != 0) | |
1050 | { | |
1051 | if (clock >= 1000000) | |
0d3d2c71 MF |
1052 | profile_printf (sd, cpu, " Simulated cpu frequency: %.2f MHz\n", |
1053 | clock / 1000000); | |
09032128 | 1054 | else |
0d3d2c71 | 1055 | profile_printf (sd, cpu, " Simulated cpu frequency: %.2f Hz\n", clock); |
09032128 | 1056 | |
80dbae7a | 1057 | #if WITH_PROFILE_MODEL_P |
09032128 DB |
1058 | if (PROFILE_FLAGS (data) [PROFILE_MODEL_IDX]) |
1059 | { | |
1060 | /* The printing of the time rounded to 2 decimal places makes the | |
1061 | speed calculation seem incorrect [even though it is correct]. | |
1062 | So round SECS first. This can marginally affect the result, | |
1063 | but it's better that the user not perceive there's a math | |
1064 | error. */ | |
1065 | secs = PROFILE_MODEL_TOTAL_CYCLES (data) / clock; | |
1066 | secs = ((double) (unsigned long) (secs * 100 + .5)) / 100; | |
0d3d2c71 MF |
1067 | profile_printf (sd, cpu, " Simulated execution time: %.2f seconds\n", |
1068 | secs); | |
09032128 | 1069 | } |
09032128 | 1070 | #endif /* WITH_PROFILE_MODEL_P */ |
80dbae7a | 1071 | } |
c906108c SS |
1072 | } |
1073 | ||
739dfd28 | 1074 | #ifdef SIM_HAVE_ADDR_RANGE |
c906108c SS |
1075 | /* Print selected address ranges. */ |
1076 | ||
1077 | static void | |
1078 | profile_print_addr_ranges (sim_cpu *cpu) | |
1079 | { | |
1080 | ADDR_SUBRANGE *asr = PROFILE_RANGE (CPU_PROFILE_DATA (cpu))->ranges; | |
1081 | SIM_DESC sd = CPU_STATE (cpu); | |
1082 | ||
1083 | if (asr) | |
1084 | { | |
0d3d2c71 | 1085 | profile_printf (sd, cpu, "Selected address ranges\n\n"); |
c906108c SS |
1086 | while (asr != NULL) |
1087 | { | |
0d3d2c71 MF |
1088 | profile_printf (sd, cpu, " 0x%lx - 0x%lx\n", |
1089 | (long) asr->start, (long) asr->end); | |
c906108c SS |
1090 | asr = asr->next; |
1091 | } | |
0d3d2c71 | 1092 | profile_printf (sd, cpu, "\n"); |
c906108c SS |
1093 | } |
1094 | } | |
739dfd28 | 1095 | #endif |
c906108c SS |
1096 | |
1097 | /* Top level function to print all summary profile information. | |
1098 | It is [currently] intended that all such data is printed by this function. | |
1099 | I'd rather keep it all in one place for now. To that end, MISC_CPU and | |
1100 | MISC are callbacks used to print any miscellaneous data. | |
1101 | ||
1102 | One might want to add a user option that allows printing by type or by cpu | |
1103 | (i.e. print all insn data for each cpu first, or print data cpu by cpu). | |
1104 | This may be a case of featuritis so it's currently left out. | |
1105 | ||
1106 | Note that results are indented two spaces to distinguish them from | |
1107 | section titles. */ | |
1108 | ||
1109 | static void | |
1110 | profile_info (SIM_DESC sd, int verbose) | |
1111 | { | |
1112 | int i,c; | |
1113 | int print_title_p = 0; | |
1114 | ||
1115 | /* Only print the title if some data has been collected. */ | |
1116 | /* ??? Why don't we just exit if no data collected? */ | |
1117 | /* FIXME: If the number of processors can be selected on the command line, | |
1118 | then MAX_NR_PROCESSORS will need to take an argument of `sd'. */ | |
1119 | ||
f1a81b37 | 1120 | for (c = 0; c < MAX_NR_PROCESSORS && !print_title_p; ++c) |
c906108c SS |
1121 | { |
1122 | sim_cpu *cpu = STATE_CPU (sd, c); | |
1123 | PROFILE_DATA *data = CPU_PROFILE_DATA (cpu); | |
1124 | ||
1125 | for (i = 0; i < MAX_PROFILE_VALUES; ++i) | |
1126 | if (PROFILE_FLAGS (data) [i]) | |
0d3d2c71 MF |
1127 | { |
1128 | profile_printf (sd, cpu, "Summary profiling results:\n\n"); | |
1129 | print_title_p = 1; | |
f1a81b37 | 1130 | break; |
0d3d2c71 | 1131 | } |
c906108c | 1132 | } |
c906108c SS |
1133 | |
1134 | /* Loop, cpu by cpu, printing results. */ | |
1135 | ||
1136 | for (c = 0; c < MAX_NR_PROCESSORS; ++c) | |
1137 | { | |
1138 | sim_cpu *cpu = STATE_CPU (sd, c); | |
1139 | PROFILE_DATA *data = CPU_PROFILE_DATA (cpu); | |
1140 | ||
1141 | if (MAX_NR_PROCESSORS > 1 | |
1142 | && (0 | |
1143 | #if WITH_PROFILE_INSN_P | |
1144 | || PROFILE_FLAGS (data) [PROFILE_INSN_IDX] | |
1145 | #endif | |
1146 | #if WITH_PROFILE_MEMORY_P | |
1147 | || PROFILE_FLAGS (data) [PROFILE_MEMORY_IDX] | |
1148 | #endif | |
1149 | #if WITH_PROFILE_CORE_P | |
1150 | || PROFILE_FLAGS (data) [PROFILE_CORE_IDX] | |
1151 | #endif | |
1152 | #if WITH_PROFILE_MODEL_P | |
1153 | || PROFILE_FLAGS (data) [PROFILE_MODEL_IDX] | |
1154 | #endif | |
b79efe26 | 1155 | #if WITH_PROFILE_SCACHE_P && WITH_SCACHE && defined(CGEN_ARCH) |
c906108c SS |
1156 | || PROFILE_FLAGS (data) [PROFILE_SCACHE_IDX] |
1157 | #endif | |
1158 | #if WITH_PROFILE_PC_P | |
1159 | || PROFILE_FLAGS (data) [PROFILE_PC_IDX] | |
1160 | #endif | |
1161 | )) | |
1162 | { | |
0d3d2c71 | 1163 | profile_printf (sd, cpu, "CPU %d\n\n", c); |
c906108c SS |
1164 | } |
1165 | ||
1166 | #ifdef SIM_HAVE_ADDR_RANGE | |
1167 | if (print_title_p | |
1168 | && (PROFILE_INSN_P (cpu) | |
1169 | || PROFILE_MODEL_P (cpu))) | |
1170 | profile_print_addr_ranges (cpu); | |
1171 | #endif | |
1172 | ||
1173 | #if WITH_PROFILE_INSN_P | |
1174 | if (PROFILE_FLAGS (data) [PROFILE_INSN_IDX]) | |
1175 | profile_print_insn (cpu, verbose); | |
1176 | #endif | |
1177 | ||
1178 | #if WITH_PROFILE_MEMORY_P | |
1179 | if (PROFILE_FLAGS (data) [PROFILE_MEMORY_IDX]) | |
1180 | profile_print_memory (cpu, verbose); | |
1181 | #endif | |
1182 | ||
1183 | #if WITH_PROFILE_CORE_P | |
1184 | if (PROFILE_FLAGS (data) [PROFILE_CORE_IDX]) | |
1185 | profile_print_core (cpu, verbose); | |
1186 | #endif | |
1187 | ||
1188 | #if WITH_PROFILE_MODEL_P | |
1189 | if (PROFILE_FLAGS (data) [PROFILE_MODEL_IDX]) | |
1190 | profile_print_model (cpu, verbose); | |
1191 | #endif | |
1192 | ||
b79efe26 | 1193 | #if WITH_PROFILE_SCACHE_P && WITH_SCACHE && defined(CGEN_ARCH) |
c906108c SS |
1194 | if (PROFILE_FLAGS (data) [PROFILE_SCACHE_IDX]) |
1195 | scache_print_profile (cpu, verbose); | |
1196 | #endif | |
1197 | ||
1198 | #if WITH_PROFILE_PC_P | |
1199 | if (PROFILE_FLAGS (data) [PROFILE_PC_IDX]) | |
1200 | profile_print_pc (cpu, verbose); | |
1201 | #endif | |
1202 | ||
1203 | /* Print cpu-specific data before the execution speed. */ | |
1204 | if (PROFILE_INFO_CPU_CALLBACK (data) != NULL) | |
1205 | PROFILE_INFO_CPU_CALLBACK (data) (cpu, verbose); | |
1206 | ||
1207 | /* Always try to print execution time and speed. */ | |
1208 | if (verbose | |
1209 | || PROFILE_FLAGS (data) [PROFILE_INSN_IDX]) | |
1210 | profile_print_speed (cpu); | |
1211 | } | |
1212 | ||
1213 | /* Finally print non-cpu specific miscellaneous data. */ | |
1214 | if (STATE_PROFILE_INFO_CALLBACK (sd)) | |
1215 | STATE_PROFILE_INFO_CALLBACK (sd) (sd, verbose); | |
1216 | ||
1217 | } | |
1218 | \f | |
953fac64 MF |
1219 | /* Provide a prototype to silence -Wmissing-prototypes. */ |
1220 | SIM_RC sim_install_profile (SIM_DESC sd); | |
c906108c | 1221 | |
953fac64 | 1222 | /* Install profiling support in the simulator. */ |
c906108c | 1223 | SIM_RC |
953fac64 | 1224 | sim_install_profile (SIM_DESC sd) |
c906108c SS |
1225 | { |
1226 | int i; | |
1227 | ||
1228 | SIM_ASSERT (STATE_MAGIC (sd) == SIM_MAGIC_NUMBER); | |
1229 | sim_add_option_table (sd, NULL, profile_options); | |
1230 | for (i = 0; i < MAX_NR_PROCESSORS; ++i) | |
1231 | memset (CPU_PROFILE_DATA (STATE_CPU (sd, i)), 0, | |
1232 | sizeof (* CPU_PROFILE_DATA (STATE_CPU (sd, i)))); | |
1233 | #if WITH_PROFILE_INSN_P | |
1234 | sim_module_add_init_fn (sd, profile_insn_init); | |
1235 | #endif | |
1236 | #if WITH_PROFILE_PC_P | |
1237 | sim_module_add_uninstall_fn (sd, profile_pc_uninstall); | |
1238 | sim_module_add_init_fn (sd, profile_pc_init); | |
1239 | #endif | |
1240 | sim_module_add_init_fn (sd, profile_init); | |
1241 | sim_module_add_uninstall_fn (sd, profile_uninstall); | |
1242 | sim_module_add_info_fn (sd, profile_info); | |
1243 | return SIM_RC_OK; | |
1244 | } | |
1245 | ||
1246 | static SIM_RC | |
1247 | profile_init (SIM_DESC sd) | |
1248 | { | |
1249 | #ifdef SIM_HAVE_ADDR_RANGE | |
1250 | /* Check if a range has been specified without specifying what to | |
1251 | collect. */ | |
1252 | { | |
1253 | int i; | |
1254 | ||
1255 | for (i = 0; i < MAX_NR_PROCESSORS; ++i) | |
1256 | { | |
1257 | sim_cpu *cpu = STATE_CPU (sd, i); | |
1258 | ||
1259 | if (ADDR_RANGE_RANGES (PROFILE_RANGE (CPU_PROFILE_DATA (cpu))) | |
1260 | && ! (PROFILE_INSN_P (cpu) | |
1261 | || PROFILE_MODEL_P (cpu))) | |
1262 | { | |
1263 | sim_io_eprintf_cpu (cpu, "Profiling address range specified without --profile-insn or --profile-model.\n"); | |
1264 | sim_io_eprintf_cpu (cpu, "Address range ignored.\n"); | |
1265 | sim_addr_range_delete (PROFILE_RANGE (CPU_PROFILE_DATA (cpu)), | |
1266 | 0, ~ (address_word) 0); | |
1267 | } | |
1268 | } | |
1269 | } | |
1270 | #endif | |
1271 | ||
1272 | return SIM_RC_OK; | |
1273 | } | |
1274 | ||
1275 | static void | |
1276 | profile_uninstall (SIM_DESC sd) | |
1277 | { | |
1278 | int i,j; | |
1279 | ||
1280 | for (i = 0; i < MAX_NR_PROCESSORS; ++i) | |
1281 | { | |
1282 | sim_cpu *cpu = STATE_CPU (sd, i); | |
1283 | PROFILE_DATA *data = CPU_PROFILE_DATA (cpu); | |
1284 | ||
1285 | if (PROFILE_FILE (data) != NULL) | |
1286 | { | |
1287 | /* If output from different cpus is going to the same file, | |
1288 | avoid closing the file twice. */ | |
1289 | for (j = 0; j < i; ++j) | |
1290 | if (PROFILE_FILE (CPU_PROFILE_DATA (STATE_CPU (sd, j))) | |
1291 | == PROFILE_FILE (data)) | |
1292 | break; | |
1293 | if (i == j) | |
1294 | fclose (PROFILE_FILE (data)); | |
1295 | } | |
1296 | ||
1297 | if (PROFILE_INSN_COUNT (data) != NULL) | |
d79fe0d6 | 1298 | free (PROFILE_INSN_COUNT (data)); |
c906108c SS |
1299 | } |
1300 | } |