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c906108c | 1 | /* Default profiling support. |
42a4f53d | 2 | Copyright (C) 1996-2019 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 SS |
19 | |
20 | #include "sim-main.h" | |
21 | #include "sim-io.h" | |
22 | #include "sim-options.h" | |
23 | #include "sim-assert.h" | |
24 | ||
25 | #ifdef HAVE_STDLIB_H | |
26 | #include <stdlib.h> | |
27 | #endif | |
28 | ||
29 | #ifdef HAVE_STRING_H | |
30 | #include <string.h> | |
31 | #else | |
32 | #ifdef HAVE_STRINGS_H | |
33 | #include <strings.h> | |
34 | #endif | |
35 | #endif | |
09032128 | 36 | #include <ctype.h> |
c906108c | 37 | |
5be229c0 MF |
38 | #if !WITH_PROFILE_PC_P |
39 | static unsigned int _profile_stub; | |
40 | # define PROFILE_PC_FREQ(p) _profile_stub | |
41 | # define PROFILE_PC_NR_BUCKETS(p) _profile_stub | |
42 | # define PROFILE_PC_SHIFT(p) _profile_stub | |
43 | # define PROFILE_PC_START(p) _profile_stub | |
44 | # define PROFILE_PC_END(p) _profile_stub | |
45 | # define PROFILE_INSN_COUNT(p) &_profile_stub | |
46 | #endif | |
47 | ||
c906108c SS |
48 | #define COMMAS(n) sim_add_commas (comma_buf, sizeof (comma_buf), (n)) |
49 | ||
50 | static MODULE_INIT_FN profile_init; | |
51 | static MODULE_UNINSTALL_FN profile_uninstall; | |
52 | ||
53 | static DECLARE_OPTION_HANDLER (profile_option_handler); | |
54 | ||
55 | enum { | |
56 | OPTION_PROFILE_INSN = OPTION_START, | |
57 | OPTION_PROFILE_MEMORY, | |
58 | OPTION_PROFILE_MODEL, | |
59 | OPTION_PROFILE_FILE, | |
60 | OPTION_PROFILE_CORE, | |
09032128 | 61 | OPTION_PROFILE_CPU_FREQUENCY, |
c906108c SS |
62 | OPTION_PROFILE_PC, |
63 | OPTION_PROFILE_PC_RANGE, | |
64 | OPTION_PROFILE_PC_GRANULARITY, | |
65 | OPTION_PROFILE_RANGE, | |
66 | OPTION_PROFILE_FUNCTION | |
67 | }; | |
68 | ||
69 | static const OPTION profile_options[] = { | |
70 | { {"profile", optional_argument, NULL, 'p'}, | |
71 | 'p', "on|off", "Perform profiling", | |
21cf617c | 72 | profile_option_handler, NULL }, |
c906108c SS |
73 | { {"profile-insn", optional_argument, NULL, OPTION_PROFILE_INSN}, |
74 | '\0', "on|off", "Perform instruction profiling", | |
21cf617c | 75 | profile_option_handler, NULL }, |
c906108c SS |
76 | { {"profile-memory", optional_argument, NULL, OPTION_PROFILE_MEMORY}, |
77 | '\0', "on|off", "Perform memory profiling", | |
21cf617c | 78 | profile_option_handler, NULL }, |
c906108c SS |
79 | { {"profile-core", optional_argument, NULL, OPTION_PROFILE_CORE}, |
80 | '\0', "on|off", "Perform CORE profiling", | |
21cf617c | 81 | profile_option_handler, NULL }, |
c906108c SS |
82 | { {"profile-model", optional_argument, NULL, OPTION_PROFILE_MODEL}, |
83 | '\0', "on|off", "Perform model profiling", | |
21cf617c | 84 | profile_option_handler, NULL }, |
09032128 DB |
85 | { {"profile-cpu-frequency", required_argument, NULL, |
86 | OPTION_PROFILE_CPU_FREQUENCY}, | |
87 | '\0', "CPU FREQUENCY", "Specify the speed of the simulated cpu clock", | |
21cf617c | 88 | profile_option_handler, NULL }, |
c906108c SS |
89 | |
90 | { {"profile-file", required_argument, NULL, OPTION_PROFILE_FILE}, | |
91 | '\0', "FILE NAME", "Specify profile output file", | |
21cf617c | 92 | profile_option_handler, NULL }, |
c906108c SS |
93 | |
94 | { {"profile-pc", optional_argument, NULL, OPTION_PROFILE_PC}, | |
95 | '\0', "on|off", "Perform PC profiling", | |
21cf617c | 96 | profile_option_handler, NULL }, |
c906108c SS |
97 | { {"profile-pc-frequency", required_argument, NULL, 'F'}, |
98 | 'F', "PC PROFILE FREQUENCY", "Specified PC profiling frequency", | |
21cf617c | 99 | profile_option_handler, NULL }, |
c906108c SS |
100 | { {"profile-pc-size", required_argument, NULL, 'S'}, |
101 | 'S', "PC PROFILE SIZE", "Specify PC profiling size", | |
21cf617c | 102 | profile_option_handler, NULL }, |
c906108c SS |
103 | { {"profile-pc-granularity", required_argument, NULL, OPTION_PROFILE_PC_GRANULARITY}, |
104 | '\0', "PC PROFILE GRANULARITY", "Specify PC profiling sample coverage", | |
21cf617c | 105 | profile_option_handler, NULL }, |
c906108c SS |
106 | { {"profile-pc-range", required_argument, NULL, OPTION_PROFILE_PC_RANGE}, |
107 | '\0', "BASE,BOUND", "Specify PC profiling address range", | |
21cf617c | 108 | profile_option_handler, NULL }, |
c906108c SS |
109 | |
110 | #ifdef SIM_HAVE_ADDR_RANGE | |
111 | { {"profile-range", required_argument, NULL, OPTION_PROFILE_RANGE}, | |
112 | '\0', "START,END", "Specify range of addresses for instruction and model profiling", | |
21cf617c | 113 | profile_option_handler, NULL }, |
c906108c SS |
114 | #if 0 /*wip*/ |
115 | { {"profile-function", required_argument, NULL, OPTION_PROFILE_FUNCTION}, | |
116 | '\0', "FUNCTION", "Specify function to profile", | |
21cf617c | 117 | profile_option_handler, NULL }, |
c906108c SS |
118 | #endif |
119 | #endif | |
120 | ||
21cf617c | 121 | { {NULL, no_argument, NULL, 0}, '\0', NULL, NULL, NULL, NULL } |
c906108c SS |
122 | }; |
123 | ||
124 | /* Set/reset the profile options indicated in MASK. */ | |
125 | ||
ed9a39eb | 126 | SIM_RC |
c906108c SS |
127 | set_profile_option_mask (SIM_DESC sd, const char *name, int mask, const char *arg) |
128 | { | |
129 | int profile_nr; | |
130 | int cpu_nr; | |
131 | int profile_val = 1; | |
132 | ||
133 | if (arg != NULL) | |
134 | { | |
135 | if (strcmp (arg, "yes") == 0 | |
136 | || strcmp (arg, "on") == 0 | |
137 | || strcmp (arg, "1") == 0) | |
138 | profile_val = 1; | |
139 | else if (strcmp (arg, "no") == 0 | |
140 | || strcmp (arg, "off") == 0 | |
141 | || strcmp (arg, "0") == 0) | |
142 | profile_val = 0; | |
143 | else | |
144 | { | |
145 | sim_io_eprintf (sd, "Argument `%s' for `--profile%s' invalid, one of `on', `off', `yes', `no' expected\n", arg, name); | |
146 | return SIM_RC_FAIL; | |
147 | } | |
148 | } | |
149 | ||
150 | /* update applicable profile bits */ | |
151 | for (profile_nr = 0; profile_nr < MAX_PROFILE_VALUES; ++profile_nr) | |
152 | { | |
153 | if ((mask & (1 << profile_nr)) == 0) | |
154 | continue; | |
155 | ||
156 | #if 0 /* see sim-trace.c, set flags in STATE here if/when there are any */ | |
157 | /* Set non-cpu specific values. */ | |
158 | switch (profile_nr) | |
159 | { | |
160 | case ??? : | |
161 | break; | |
162 | } | |
163 | #endif | |
164 | ||
165 | /* Set cpu values. */ | |
166 | for (cpu_nr = 0; cpu_nr < MAX_NR_PROCESSORS; cpu_nr++) | |
167 | { | |
168 | CPU_PROFILE_FLAGS (STATE_CPU (sd, cpu_nr))[profile_nr] = profile_val; | |
169 | } | |
170 | } | |
171 | ||
172 | /* Re-compute the cpu profile summary. */ | |
173 | if (profile_val) | |
174 | { | |
175 | for (cpu_nr = 0; cpu_nr < MAX_NR_PROCESSORS; cpu_nr++) | |
176 | CPU_PROFILE_DATA (STATE_CPU (sd, cpu_nr))->profile_any_p = 1; | |
177 | } | |
178 | else | |
179 | { | |
180 | for (cpu_nr = 0; cpu_nr < MAX_NR_PROCESSORS; cpu_nr++) | |
181 | { | |
182 | CPU_PROFILE_DATA (STATE_CPU (sd, cpu_nr))->profile_any_p = 0; | |
183 | for (profile_nr = 0; profile_nr < MAX_PROFILE_VALUES; ++profile_nr) | |
184 | { | |
185 | if (CPU_PROFILE_FLAGS (STATE_CPU (sd, cpu_nr))[profile_nr]) | |
186 | { | |
187 | CPU_PROFILE_DATA (STATE_CPU (sd, cpu_nr))->profile_any_p = 1; | |
188 | break; | |
189 | } | |
190 | } | |
191 | } | |
028f6515 | 192 | } |
c906108c SS |
193 | |
194 | return SIM_RC_OK; | |
195 | } | |
196 | ||
197 | /* Set one profile option based on its IDX value. | |
198 | Not static as cgen-scache.c uses it. */ | |
199 | ||
200 | SIM_RC | |
201 | sim_profile_set_option (SIM_DESC sd, const char *name, int idx, const char *arg) | |
202 | { | |
203 | return set_profile_option_mask (sd, name, 1 << idx, arg); | |
204 | } | |
205 | ||
09032128 DB |
206 | static SIM_RC |
207 | parse_frequency (SIM_DESC sd, const char *arg, unsigned long *freq) | |
208 | { | |
209 | const char *ch; | |
210 | /* First, parse a decimal number. */ | |
211 | *freq = 0; | |
212 | ch = arg; | |
213 | if (isdigit (*arg)) | |
214 | { | |
215 | for (/**/; *ch != '\0'; ++ch) | |
216 | { | |
217 | if (! isdigit (*ch)) | |
218 | break; | |
219 | *freq = *freq * 10 + (*ch - '0'); | |
220 | } | |
221 | ||
222 | /* Accept KHz, MHz or Hz as a suffix. */ | |
223 | if (tolower (*ch) == 'm') | |
224 | { | |
225 | *freq *= 1000000; | |
226 | ++ch; | |
227 | } | |
228 | else if (tolower (*ch) == 'k') | |
229 | { | |
230 | *freq *= 1000; | |
231 | ++ch; | |
232 | } | |
233 | ||
234 | if (tolower (*ch) == 'h') | |
235 | { | |
236 | ++ch; | |
237 | if (tolower (*ch) == 'z') | |
238 | ++ch; | |
239 | } | |
240 | } | |
241 | ||
242 | if (*ch != '\0') | |
243 | { | |
244 | sim_io_eprintf (sd, "Invalid argument for --profile-cpu-frequency: %s\n", | |
245 | arg); | |
246 | *freq = 0; | |
247 | return SIM_RC_FAIL; | |
248 | } | |
249 | ||
250 | return SIM_RC_OK; | |
251 | } | |
252 | ||
c906108c SS |
253 | static SIM_RC |
254 | profile_option_handler (SIM_DESC sd, | |
255 | sim_cpu *cpu, | |
256 | int opt, | |
257 | char *arg, | |
258 | int is_command) | |
259 | { | |
cdc2a5c3 | 260 | int cpu_nr; |
c906108c SS |
261 | |
262 | /* FIXME: Need to handle `cpu' arg. */ | |
263 | ||
264 | switch (opt) | |
265 | { | |
266 | case 'p' : | |
267 | if (! WITH_PROFILE) | |
268 | sim_io_eprintf (sd, "Profiling not compiled in, `-p' ignored\n"); | |
269 | else | |
270 | return set_profile_option_mask (sd, "profile", PROFILE_USEFUL_MASK, | |
271 | arg); | |
272 | break; | |
273 | ||
274 | case OPTION_PROFILE_INSN : | |
275 | if (WITH_PROFILE_INSN_P) | |
276 | return sim_profile_set_option (sd, "-insn", PROFILE_INSN_IDX, arg); | |
277 | else | |
278 | sim_io_eprintf (sd, "Instruction profiling not compiled in, `--profile-insn' ignored\n"); | |
279 | break; | |
280 | ||
281 | case OPTION_PROFILE_MEMORY : | |
282 | if (WITH_PROFILE_MEMORY_P) | |
283 | return sim_profile_set_option (sd, "-memory", PROFILE_MEMORY_IDX, arg); | |
284 | else | |
285 | sim_io_eprintf (sd, "Memory profiling not compiled in, `--profile-memory' ignored\n"); | |
286 | break; | |
287 | ||
288 | case OPTION_PROFILE_CORE : | |
289 | if (WITH_PROFILE_CORE_P) | |
290 | return sim_profile_set_option (sd, "-core", PROFILE_CORE_IDX, arg); | |
291 | else | |
292 | sim_io_eprintf (sd, "CORE profiling not compiled in, `--profile-core' ignored\n"); | |
293 | break; | |
294 | ||
295 | case OPTION_PROFILE_MODEL : | |
296 | if (WITH_PROFILE_MODEL_P) | |
297 | return sim_profile_set_option (sd, "-model", PROFILE_MODEL_IDX, arg); | |
298 | else | |
299 | sim_io_eprintf (sd, "Model profiling not compiled in, `--profile-model' ignored\n"); | |
300 | break; | |
301 | ||
09032128 DB |
302 | case OPTION_PROFILE_CPU_FREQUENCY : |
303 | { | |
304 | unsigned long val; | |
305 | SIM_RC rc = parse_frequency (sd, arg, &val); | |
306 | if (rc == SIM_RC_OK) | |
307 | { | |
308 | for (cpu_nr = 0; cpu_nr < MAX_NR_PROCESSORS; ++cpu_nr) | |
309 | PROFILE_CPU_FREQ (CPU_PROFILE_DATA (STATE_CPU (sd,cpu_nr))) = val; | |
310 | } | |
311 | return rc; | |
312 | } | |
313 | ||
c906108c SS |
314 | case OPTION_PROFILE_FILE : |
315 | /* FIXME: Might want this to apply to pc profiling only, | |
316 | or have two profile file options. */ | |
317 | if (! WITH_PROFILE) | |
318 | sim_io_eprintf (sd, "Profiling not compiled in, `--profile-file' ignored\n"); | |
319 | else | |
320 | { | |
321 | FILE *f = fopen (arg, "w"); | |
322 | ||
323 | if (f == NULL) | |
324 | { | |
325 | sim_io_eprintf (sd, "Unable to open profile output file `%s'\n", arg); | |
326 | return SIM_RC_FAIL; | |
327 | } | |
328 | for (cpu_nr = 0; cpu_nr < MAX_NR_PROCESSORS; ++cpu_nr) | |
329 | PROFILE_FILE (CPU_PROFILE_DATA (STATE_CPU (sd, cpu_nr))) = f; | |
330 | } | |
331 | break; | |
332 | ||
333 | case OPTION_PROFILE_PC: | |
334 | if (WITH_PROFILE_PC_P) | |
335 | return sim_profile_set_option (sd, "-pc", PROFILE_PC_IDX, arg); | |
336 | else | |
337 | sim_io_eprintf (sd, "PC profiling not compiled in, `--profile-pc' ignored\n"); | |
338 | break; | |
339 | ||
340 | case 'F' : | |
341 | if (WITH_PROFILE_PC_P) | |
342 | { | |
343 | /* FIXME: Validate arg. */ | |
344 | int val = atoi (arg); | |
345 | for (cpu_nr = 0; cpu_nr < MAX_NR_PROCESSORS; ++cpu_nr) | |
346 | PROFILE_PC_FREQ (CPU_PROFILE_DATA (STATE_CPU (sd, cpu_nr))) = val; | |
347 | for (cpu_nr = 0; cpu_nr < MAX_NR_PROCESSORS; ++cpu_nr) | |
348 | CPU_PROFILE_FLAGS (STATE_CPU (sd, cpu_nr))[PROFILE_PC_IDX] = 1; | |
349 | } | |
350 | else | |
351 | sim_io_eprintf (sd, "PC profiling not compiled in, `--profile-pc-frequency' ignored\n"); | |
352 | break; | |
353 | ||
354 | case 'S' : | |
355 | if (WITH_PROFILE_PC_P) | |
356 | { | |
357 | /* FIXME: Validate arg. */ | |
358 | int val = atoi (arg); | |
359 | for (cpu_nr = 0; cpu_nr < MAX_NR_PROCESSORS; ++cpu_nr) | |
360 | PROFILE_PC_NR_BUCKETS (CPU_PROFILE_DATA (STATE_CPU (sd, cpu_nr))) = val; | |
361 | for (cpu_nr = 0; cpu_nr < MAX_NR_PROCESSORS; ++cpu_nr) | |
362 | CPU_PROFILE_FLAGS (STATE_CPU (sd, cpu_nr))[PROFILE_PC_IDX] = 1; | |
363 | } | |
364 | else | |
365 | sim_io_eprintf (sd, "PC profiling not compiled in, `--profile-pc-size' ignored\n"); | |
366 | break; | |
367 | ||
368 | case OPTION_PROFILE_PC_GRANULARITY: | |
369 | if (WITH_PROFILE_PC_P) | |
370 | { | |
371 | int shift; | |
372 | int val = atoi (arg); | |
373 | /* check that the granularity is a power of two */ | |
374 | shift = 0; | |
375 | while (val > (1 << shift)) | |
376 | { | |
377 | shift += 1; | |
378 | } | |
379 | if (val != (1 << shift)) | |
380 | { | |
381 | sim_io_eprintf (sd, "PC profiling granularity not a power of two\n"); | |
382 | return SIM_RC_FAIL; | |
383 | } | |
384 | if (shift == 0) | |
385 | { | |
386 | sim_io_eprintf (sd, "PC profiling granularity too small"); | |
387 | return SIM_RC_FAIL; | |
388 | } | |
389 | for (cpu_nr = 0; cpu_nr < MAX_NR_PROCESSORS; ++cpu_nr) | |
390 | PROFILE_PC_SHIFT (CPU_PROFILE_DATA (STATE_CPU (sd, cpu_nr))) = shift; | |
391 | for (cpu_nr = 0; cpu_nr < MAX_NR_PROCESSORS; ++cpu_nr) | |
392 | CPU_PROFILE_FLAGS (STATE_CPU (sd, cpu_nr))[PROFILE_PC_IDX] = 1; | |
393 | } | |
394 | else | |
395 | sim_io_eprintf (sd, "PC profiling not compiled in, `--profile-pc-granularity' ignored\n"); | |
396 | break; | |
397 | ||
398 | case OPTION_PROFILE_PC_RANGE: | |
399 | if (WITH_PROFILE_PC_P) | |
400 | { | |
401 | /* FIXME: Validate args */ | |
402 | char *chp = arg; | |
403 | unsigned long base; | |
404 | unsigned long bound; | |
405 | base = strtoul (chp, &chp, 0); | |
406 | if (*chp != ',') | |
407 | { | |
408 | sim_io_eprintf (sd, "--profile-pc-range missing BOUND argument\n"); | |
409 | return SIM_RC_FAIL; | |
410 | } | |
411 | bound = strtoul (chp + 1, NULL, 0); | |
412 | for (cpu_nr = 0; cpu_nr < MAX_NR_PROCESSORS; ++cpu_nr) | |
413 | { | |
414 | PROFILE_PC_START (CPU_PROFILE_DATA (STATE_CPU (sd, cpu_nr))) = base; | |
415 | PROFILE_PC_END (CPU_PROFILE_DATA (STATE_CPU (sd, cpu_nr))) = bound; | |
028f6515 | 416 | } |
c906108c SS |
417 | for (cpu_nr = 0; cpu_nr < MAX_NR_PROCESSORS; ++cpu_nr) |
418 | CPU_PROFILE_FLAGS (STATE_CPU (sd, cpu_nr))[PROFILE_PC_IDX] = 1; | |
419 | } | |
420 | else | |
421 | sim_io_eprintf (sd, "PC profiling not compiled in, `--profile-pc-range' ignored\n"); | |
422 | break; | |
423 | ||
424 | #ifdef SIM_HAVE_ADDR_RANGE | |
425 | case OPTION_PROFILE_RANGE : | |
426 | if (WITH_PROFILE) | |
427 | { | |
428 | char *chp = arg; | |
429 | unsigned long start,end; | |
430 | start = strtoul (chp, &chp, 0); | |
431 | if (*chp != ',') | |
432 | { | |
433 | sim_io_eprintf (sd, "--profile-range missing END argument\n"); | |
434 | return SIM_RC_FAIL; | |
435 | } | |
436 | end = strtoul (chp + 1, NULL, 0); | |
437 | /* FIXME: Argument validation. */ | |
438 | if (cpu != NULL) | |
439 | sim_addr_range_add (PROFILE_RANGE (CPU_PROFILE_DATA (cpu)), | |
440 | start, end); | |
441 | else | |
442 | for (cpu_nr = 0; cpu_nr < MAX_NR_PROCESSORS; ++cpu_nr) | |
443 | sim_addr_range_add (PROFILE_RANGE (CPU_PROFILE_DATA (STATE_CPU (sd, cpu_nr))), | |
444 | start, end); | |
445 | } | |
446 | else | |
447 | sim_io_eprintf (sd, "Profiling not compiled in, `--profile-range' ignored\n"); | |
448 | break; | |
449 | ||
450 | case OPTION_PROFILE_FUNCTION : | |
451 | if (WITH_PROFILE) | |
452 | { | |
453 | /*wip: need to compute function range given name*/ | |
454 | } | |
455 | else | |
456 | sim_io_eprintf (sd, "Profiling not compiled in, `--profile-function' ignored\n"); | |
457 | break; | |
458 | #endif /* SIM_HAVE_ADDR_RANGE */ | |
459 | } | |
460 | ||
461 | return SIM_RC_OK; | |
462 | } | |
463 | \f | |
0d3d2c71 MF |
464 | /* Profiling output hooks. */ |
465 | ||
466 | static void | |
467 | profile_vprintf (SIM_DESC sd, sim_cpu *cpu, const char *fmt, va_list ap) | |
468 | { | |
469 | FILE *fp = PROFILE_FILE (CPU_PROFILE_DATA (cpu)); | |
470 | ||
471 | /* If an output file was given, redirect output to that. */ | |
472 | if (fp != NULL) | |
473 | vfprintf (fp, fmt, ap); | |
474 | else | |
475 | sim_io_evprintf (sd, fmt, ap); | |
476 | } | |
477 | ||
478 | __attribute__ ((format (printf, 3, 4))) | |
479 | static void | |
480 | profile_printf (SIM_DESC sd, sim_cpu *cpu, const char *fmt, ...) | |
481 | { | |
482 | va_list ap; | |
483 | ||
484 | va_start (ap, fmt); | |
485 | profile_vprintf (sd, cpu, fmt, ap); | |
486 | va_end (ap); | |
487 | } | |
488 | \f | |
c906108c SS |
489 | /* PC profiling support */ |
490 | ||
491 | #if WITH_PROFILE_PC_P | |
492 | ||
493 | static void | |
494 | profile_pc_cleanup (SIM_DESC sd) | |
495 | { | |
496 | int n; | |
497 | for (n = 0; n < MAX_NR_PROCESSORS; n++) | |
498 | { | |
499 | sim_cpu *cpu = STATE_CPU (sd, n); | |
500 | PROFILE_DATA *data = CPU_PROFILE_DATA (cpu); | |
501 | if (PROFILE_PC_COUNT (data) != NULL) | |
d79fe0d6 | 502 | free (PROFILE_PC_COUNT (data)); |
c906108c SS |
503 | PROFILE_PC_COUNT (data) = NULL; |
504 | if (PROFILE_PC_EVENT (data) != NULL) | |
505 | sim_events_deschedule (sd, PROFILE_PC_EVENT (data)); | |
506 | PROFILE_PC_EVENT (data) = NULL; | |
507 | } | |
508 | } | |
509 | ||
510 | ||
511 | static void | |
512 | profile_pc_uninstall (SIM_DESC sd) | |
513 | { | |
514 | profile_pc_cleanup (sd); | |
515 | } | |
516 | ||
517 | static void | |
518 | profile_pc_event (SIM_DESC sd, | |
519 | void *data) | |
520 | { | |
521 | sim_cpu *cpu = (sim_cpu*) data; | |
522 | PROFILE_DATA *profile = CPU_PROFILE_DATA (cpu); | |
596f8827 | 523 | address_word pc = sim_pc_get (cpu); |
c906108c | 524 | unsigned i; |
c906108c SS |
525 | i = (pc - PROFILE_PC_START (profile)) >> PROFILE_PC_SHIFT (profile); |
526 | if (i < PROFILE_PC_NR_BUCKETS (profile)) | |
527 | PROFILE_PC_COUNT (profile) [i] += 1; /* Overflow? */ | |
528 | else | |
529 | PROFILE_PC_COUNT (profile) [PROFILE_PC_NR_BUCKETS (profile)] += 1; | |
028f6515 | 530 | PROFILE_PC_EVENT (profile) = |
c906108c SS |
531 | sim_events_schedule (sd, PROFILE_PC_FREQ (profile), profile_pc_event, cpu); |
532 | } | |
533 | ||
534 | static SIM_RC | |
535 | profile_pc_init (SIM_DESC sd) | |
536 | { | |
537 | int n; | |
538 | profile_pc_cleanup (sd); | |
539 | for (n = 0; n < MAX_NR_PROCESSORS; n++) | |
540 | { | |
541 | sim_cpu *cpu = STATE_CPU (sd, n); | |
542 | PROFILE_DATA *data = CPU_PROFILE_DATA (cpu); | |
596f8827 | 543 | if (CPU_PROFILE_FLAGS (STATE_CPU (sd, n))[PROFILE_PC_IDX]) |
c906108c SS |
544 | { |
545 | int bucket_size; | |
546 | /* fill in the frequency if not specified */ | |
547 | if (PROFILE_PC_FREQ (data) == 0) | |
41ec9f20 | 548 | PROFILE_PC_FREQ (data) = 257; |
c906108c SS |
549 | /* fill in the start/end if not specified */ |
550 | if (PROFILE_PC_END (data) == 0) | |
551 | { | |
552 | PROFILE_PC_START (data) = STATE_TEXT_START (sd); | |
553 | PROFILE_PC_END (data) = STATE_TEXT_END (sd); | |
554 | } | |
555 | /* Compute the number of buckets if not specified. */ | |
556 | if (PROFILE_PC_NR_BUCKETS (data) == 0) | |
557 | { | |
558 | if (PROFILE_PC_BUCKET_SIZE (data) == 0) | |
559 | PROFILE_PC_NR_BUCKETS (data) = 16; | |
560 | else | |
561 | { | |
562 | if (PROFILE_PC_END (data) == 0) | |
563 | { | |
564 | /* nr_buckets = (full-address-range / 2) / (bucket_size / 2) */ | |
565 | PROFILE_PC_NR_BUCKETS (data) = | |
596f8827 | 566 | ((1 << sizeof (sim_cia) * (8 - 1)) |
c906108c SS |
567 | / (PROFILE_PC_BUCKET_SIZE (data) / 2)); |
568 | } | |
569 | else | |
570 | { | |
571 | PROFILE_PC_NR_BUCKETS (data) = | |
572 | ((PROFILE_PC_END (data) | |
573 | - PROFILE_PC_START (data) | |
574 | + PROFILE_PC_BUCKET_SIZE (data) - 1) | |
575 | / PROFILE_PC_BUCKET_SIZE (data)); | |
576 | } | |
577 | } | |
578 | } | |
579 | /* Compute the bucket size if not specified. Ensure that it | |
580 | is rounded up to the next power of two */ | |
581 | if (PROFILE_PC_BUCKET_SIZE (data) == 0) | |
582 | { | |
583 | if (PROFILE_PC_END (data) == 0) | |
584 | /* bucket_size = (full-address-range / 2) / (nr_buckets / 2) */ | |
596f8827 | 585 | bucket_size = ((1 << ((sizeof (sim_cia) * 8) - 1)) |
c906108c SS |
586 | / (PROFILE_PC_NR_BUCKETS (data) / 2)); |
587 | else | |
588 | bucket_size = ((PROFILE_PC_END (data) | |
589 | - PROFILE_PC_START (data) | |
590 | + PROFILE_PC_NR_BUCKETS (data) - 1) | |
591 | / PROFILE_PC_NR_BUCKETS (data)); | |
592 | PROFILE_PC_SHIFT (data) = 0; | |
c43ad8eb | 593 | while (bucket_size > PROFILE_PC_BUCKET_SIZE (data)) |
c906108c SS |
594 | { |
595 | PROFILE_PC_SHIFT (data) += 1; | |
596 | } | |
597 | } | |
598 | /* Align the end address with bucket size */ | |
599 | if (PROFILE_PC_END (data) != 0) | |
600 | PROFILE_PC_END (data) = (PROFILE_PC_START (data) | |
601 | + (PROFILE_PC_BUCKET_SIZE (data) | |
602 | * PROFILE_PC_NR_BUCKETS (data))); | |
603 | /* create the relevant buffers */ | |
604 | PROFILE_PC_COUNT (data) = | |
605 | NZALLOC (unsigned, PROFILE_PC_NR_BUCKETS (data) + 1); | |
606 | PROFILE_PC_EVENT (data) = | |
607 | sim_events_schedule (sd, | |
608 | PROFILE_PC_FREQ (data), | |
609 | profile_pc_event, | |
610 | cpu); | |
611 | } | |
612 | } | |
613 | return SIM_RC_OK; | |
614 | } | |
615 | ||
616 | static void | |
617 | profile_print_pc (sim_cpu *cpu, int verbose) | |
618 | { | |
619 | SIM_DESC sd = CPU_STATE (cpu); | |
620 | PROFILE_DATA *profile = CPU_PROFILE_DATA (cpu); | |
621 | char comma_buf[20]; | |
622 | unsigned max_val; | |
623 | unsigned total; | |
624 | unsigned i; | |
625 | ||
626 | if (PROFILE_PC_COUNT (profile) == 0) | |
627 | return; | |
628 | ||
0d3d2c71 | 629 | profile_printf (sd, cpu, "Program Counter Statistics:\n\n"); |
c906108c SS |
630 | |
631 | /* First pass over data computes various things. */ | |
632 | max_val = 0; | |
633 | total = 0; | |
634 | for (i = 0; i <= PROFILE_PC_NR_BUCKETS (profile); ++i) | |
635 | { | |
636 | total += PROFILE_PC_COUNT (profile) [i]; | |
637 | if (PROFILE_PC_COUNT (profile) [i] > max_val) | |
638 | max_val = PROFILE_PC_COUNT (profile) [i]; | |
639 | } | |
640 | ||
0d3d2c71 MF |
641 | profile_printf (sd, cpu, " Total samples: %s\n", |
642 | COMMAS (total)); | |
643 | profile_printf (sd, cpu, " Granularity: %s bytes per bucket\n", | |
644 | COMMAS (PROFILE_PC_BUCKET_SIZE (profile))); | |
645 | profile_printf (sd, cpu, " Size: %s buckets\n", | |
646 | COMMAS (PROFILE_PC_NR_BUCKETS (profile))); | |
647 | profile_printf (sd, cpu, " Frequency: %s cycles per sample\n", | |
648 | COMMAS (PROFILE_PC_FREQ (profile))); | |
c906108c SS |
649 | |
650 | if (PROFILE_PC_END (profile) != 0) | |
0d3d2c71 MF |
651 | profile_printf (sd, cpu, " Range: 0x%lx 0x%lx\n", |
652 | (long) PROFILE_PC_START (profile), | |
c906108c SS |
653 | (long) PROFILE_PC_END (profile)); |
654 | ||
655 | if (verbose && max_val != 0) | |
656 | { | |
657 | /* Now we can print the histogram. */ | |
0d3d2c71 | 658 | profile_printf (sd, cpu, "\n"); |
c906108c SS |
659 | for (i = 0; i <= PROFILE_PC_NR_BUCKETS (profile); ++i) |
660 | { | |
661 | if (PROFILE_PC_COUNT (profile) [i] != 0) | |
662 | { | |
0d3d2c71 | 663 | profile_printf (sd, cpu, " "); |
c906108c | 664 | if (i == PROFILE_PC_NR_BUCKETS (profile)) |
0d3d2c71 | 665 | profile_printf (sd, cpu, "%10s:", "overflow"); |
c906108c | 666 | else |
0d3d2c71 MF |
667 | profile_printf (sd, cpu, "0x%08lx:", |
668 | (long) (PROFILE_PC_START (profile) | |
669 | + (i * PROFILE_PC_BUCKET_SIZE (profile)))); | |
670 | profile_printf (sd, cpu, " %*s", | |
671 | max_val < 10000 ? 5 : 10, | |
672 | COMMAS (PROFILE_PC_COUNT (profile) [i])); | |
673 | profile_printf (sd, cpu, " %4.1f", | |
674 | (PROFILE_PC_COUNT (profile) [i] * 100.0) / total); | |
675 | profile_printf (sd, cpu, ": "); | |
676 | sim_profile_print_bar (sd, cpu, PROFILE_HISTOGRAM_WIDTH, | |
c906108c SS |
677 | PROFILE_PC_COUNT (profile) [i], |
678 | max_val); | |
0d3d2c71 | 679 | profile_printf (sd, cpu, "\n"); |
c906108c SS |
680 | } |
681 | } | |
682 | } | |
683 | ||
684 | /* dump the histogram to the file "gmon.out" using BSD's gprof file | |
685 | format */ | |
686 | /* Since a profile data file is in the native format of the host on | |
687 | which the profile is being, endian issues are not considered in | |
688 | the code below. */ | |
689 | /* FIXME: Is this the best place for this code? */ | |
690 | { | |
691 | FILE *pf = fopen ("gmon.out", "wb"); | |
028f6515 | 692 | |
c906108c SS |
693 | if (pf == NULL) |
694 | sim_io_eprintf (sd, "Failed to open \"gmon.out\" profile file\n"); | |
695 | else | |
696 | { | |
697 | int ok; | |
698 | /* FIXME: what if the target has a 64 bit PC? */ | |
699 | unsigned32 header[3]; | |
700 | unsigned loop; | |
701 | if (PROFILE_PC_END (profile) != 0) | |
702 | { | |
703 | header[0] = PROFILE_PC_START (profile); | |
704 | header[1] = PROFILE_PC_END (profile); | |
705 | } | |
706 | else | |
707 | { | |
708 | header[0] = 0; | |
709 | header[1] = 0; | |
710 | } | |
711 | /* size of sample buffer (+ header) */ | |
712 | header[2] = PROFILE_PC_NR_BUCKETS (profile) * 2 + sizeof (header); | |
c43ad8eb BE |
713 | |
714 | /* Header must be written out in target byte order. */ | |
715 | H2T (header[0]); | |
716 | H2T (header[1]); | |
717 | H2T (header[2]); | |
718 | ||
c906108c SS |
719 | ok = fwrite (&header, sizeof (header), 1, pf); |
720 | for (loop = 0; | |
721 | ok && (loop < PROFILE_PC_NR_BUCKETS (profile)); | |
722 | loop++) | |
723 | { | |
724 | signed16 sample; | |
725 | if (PROFILE_PC_COUNT (profile) [loop] >= 0xffff) | |
726 | sample = 0xffff; | |
727 | else | |
728 | sample = PROFILE_PC_COUNT (profile) [loop]; | |
41ec9f20 | 729 | H2T (sample); |
c906108c SS |
730 | ok = fwrite (&sample, sizeof (sample), 1, pf); |
731 | } | |
732 | if (ok == 0) | |
733 | sim_io_eprintf (sd, "Failed to write to \"gmon.out\" profile file\n"); | |
34b47c38 | 734 | fclose (pf); |
c906108c SS |
735 | } |
736 | } | |
737 | ||
0d3d2c71 | 738 | profile_printf (sd, cpu, "\n"); |
c906108c SS |
739 | } |
740 | ||
741 | #endif | |
742 | \f | |
743 | /* Summary printing support. */ | |
744 | ||
745 | #if WITH_PROFILE_INSN_P | |
746 | ||
747 | static SIM_RC | |
748 | profile_insn_init (SIM_DESC sd) | |
749 | { | |
750 | int c; | |
751 | ||
752 | for (c = 0; c < MAX_NR_PROCESSORS; ++c) | |
753 | { | |
754 | sim_cpu *cpu = STATE_CPU (sd, c); | |
755 | ||
756 | if (CPU_MAX_INSNS (cpu) > 0) | |
757 | PROFILE_INSN_COUNT (CPU_PROFILE_DATA (cpu)) = NZALLOC (unsigned int, CPU_MAX_INSNS (cpu)); | |
758 | } | |
759 | ||
760 | return SIM_RC_OK; | |
761 | } | |
762 | ||
763 | static void | |
764 | profile_print_insn (sim_cpu *cpu, int verbose) | |
765 | { | |
766 | unsigned int i, n, total, max_val, max_name_len; | |
767 | SIM_DESC sd = CPU_STATE (cpu); | |
768 | PROFILE_DATA *data = CPU_PROFILE_DATA (cpu); | |
769 | char comma_buf[20]; | |
770 | ||
771 | /* If MAX_INSNS not set, insn profiling isn't supported. */ | |
772 | if (CPU_MAX_INSNS (cpu) == 0) | |
773 | return; | |
774 | ||
0d3d2c71 | 775 | profile_printf (sd, cpu, "Instruction Statistics"); |
c906108c SS |
776 | #ifdef SIM_HAVE_ADDR_RANGE |
777 | if (PROFILE_RANGE (data)->ranges) | |
0d3d2c71 | 778 | profile_printf (sd, cpu, " (for selected address range(s))"); |
c906108c | 779 | #endif |
0d3d2c71 | 780 | profile_printf (sd, cpu, "\n\n"); |
c906108c SS |
781 | |
782 | /* First pass over data computes various things. */ | |
783 | max_val = 0; | |
784 | total = 0; | |
785 | max_name_len = 0; | |
786 | for (i = 0; i < CPU_MAX_INSNS (cpu); ++i) | |
787 | { | |
788 | const char *name = (*CPU_INSN_NAME (cpu)) (cpu, i); | |
789 | ||
790 | if (name == NULL) | |
791 | continue; | |
792 | total += PROFILE_INSN_COUNT (data) [i]; | |
793 | if (PROFILE_INSN_COUNT (data) [i] > max_val) | |
794 | max_val = PROFILE_INSN_COUNT (data) [i]; | |
795 | n = strlen (name); | |
796 | if (n > max_name_len) | |
797 | max_name_len = n; | |
798 | } | |
799 | /* set the total insn count, in case client is being lazy */ | |
800 | if (! PROFILE_TOTAL_INSN_COUNT (data)) | |
801 | PROFILE_TOTAL_INSN_COUNT (data) = total; | |
802 | ||
0d3d2c71 | 803 | profile_printf (sd, cpu, " Total: %s insns\n", COMMAS (total)); |
c906108c SS |
804 | |
805 | if (verbose && max_val != 0) | |
806 | { | |
807 | /* Now we can print the histogram. */ | |
0d3d2c71 | 808 | profile_printf (sd, cpu, "\n"); |
c906108c SS |
809 | for (i = 0; i < CPU_MAX_INSNS (cpu); ++i) |
810 | { | |
811 | const char *name = (*CPU_INSN_NAME (cpu)) (cpu, i); | |
812 | ||
813 | if (name == NULL) | |
814 | continue; | |
815 | if (PROFILE_INSN_COUNT (data) [i] != 0) | |
816 | { | |
0d3d2c71 MF |
817 | profile_printf (sd, cpu, " %*s: %*s: ", |
818 | max_name_len, name, | |
819 | max_val < 10000 ? 5 : 10, | |
820 | COMMAS (PROFILE_INSN_COUNT (data) [i])); | |
821 | sim_profile_print_bar (sd, cpu, PROFILE_HISTOGRAM_WIDTH, | |
c906108c SS |
822 | PROFILE_INSN_COUNT (data) [i], |
823 | max_val); | |
0d3d2c71 | 824 | profile_printf (sd, cpu, "\n"); |
c906108c SS |
825 | } |
826 | } | |
827 | } | |
828 | ||
0d3d2c71 | 829 | profile_printf (sd, cpu, "\n"); |
c906108c SS |
830 | } |
831 | ||
832 | #endif | |
833 | ||
834 | #if WITH_PROFILE_MEMORY_P | |
835 | ||
836 | static void | |
837 | profile_print_memory (sim_cpu *cpu, int verbose) | |
838 | { | |
839 | unsigned int i, n; | |
840 | unsigned int total_read, total_write; | |
841 | unsigned int max_val, max_name_len; | |
842 | /* FIXME: Need to add smp support. */ | |
843 | SIM_DESC sd = CPU_STATE (cpu); | |
844 | PROFILE_DATA *data = CPU_PROFILE_DATA (cpu); | |
845 | char comma_buf[20]; | |
846 | ||
0d3d2c71 | 847 | profile_printf (sd, cpu, "Memory Access Statistics\n\n"); |
c906108c SS |
848 | |
849 | /* First pass over data computes various things. */ | |
850 | max_val = total_read = total_write = max_name_len = 0; | |
851 | for (i = 0; i < MODE_TARGET_MAX; ++i) | |
852 | { | |
853 | total_read += PROFILE_READ_COUNT (data) [i]; | |
854 | total_write += PROFILE_WRITE_COUNT (data) [i]; | |
855 | if (PROFILE_READ_COUNT (data) [i] > max_val) | |
856 | max_val = PROFILE_READ_COUNT (data) [i]; | |
857 | if (PROFILE_WRITE_COUNT (data) [i] > max_val) | |
858 | max_val = PROFILE_WRITE_COUNT (data) [i]; | |
859 | n = strlen (MODE_NAME (i)); | |
860 | if (n > max_name_len) | |
861 | max_name_len = n; | |
862 | } | |
863 | ||
864 | /* One could use PROFILE_LABEL_WIDTH here. I chose not to. */ | |
0d3d2c71 MF |
865 | profile_printf (sd, cpu, " Total read: %s accesses\n", |
866 | COMMAS (total_read)); | |
867 | profile_printf (sd, cpu, " Total write: %s accesses\n", | |
868 | COMMAS (total_write)); | |
c906108c SS |
869 | |
870 | if (verbose && max_val != 0) | |
871 | { | |
872 | /* FIXME: Need to separate instruction fetches from data fetches | |
873 | as the former swamps the latter. */ | |
874 | /* Now we can print the histogram. */ | |
0d3d2c71 | 875 | profile_printf (sd, cpu, "\n"); |
c906108c SS |
876 | for (i = 0; i < MODE_TARGET_MAX; ++i) |
877 | { | |
878 | if (PROFILE_READ_COUNT (data) [i] != 0) | |
879 | { | |
0d3d2c71 MF |
880 | profile_printf (sd, cpu, " %*s read: %*s: ", |
881 | max_name_len, MODE_NAME (i), | |
882 | max_val < 10000 ? 5 : 10, | |
883 | COMMAS (PROFILE_READ_COUNT (data) [i])); | |
884 | sim_profile_print_bar (sd, cpu, PROFILE_HISTOGRAM_WIDTH, | |
c906108c SS |
885 | PROFILE_READ_COUNT (data) [i], |
886 | max_val); | |
0d3d2c71 | 887 | profile_printf (sd, cpu, "\n"); |
c906108c SS |
888 | } |
889 | if (PROFILE_WRITE_COUNT (data) [i] != 0) | |
890 | { | |
0d3d2c71 MF |
891 | profile_printf (sd, cpu, " %*s write: %*s: ", |
892 | max_name_len, MODE_NAME (i), | |
893 | max_val < 10000 ? 5 : 10, | |
894 | COMMAS (PROFILE_WRITE_COUNT (data) [i])); | |
895 | sim_profile_print_bar (sd, cpu, PROFILE_HISTOGRAM_WIDTH, | |
c906108c SS |
896 | PROFILE_WRITE_COUNT (data) [i], |
897 | max_val); | |
0d3d2c71 | 898 | profile_printf (sd, cpu, "\n"); |
c906108c SS |
899 | } |
900 | } | |
901 | } | |
902 | ||
0d3d2c71 | 903 | profile_printf (sd, cpu, "\n"); |
c906108c SS |
904 | } |
905 | ||
906 | #endif | |
907 | ||
908 | #if WITH_PROFILE_CORE_P | |
909 | ||
910 | static void | |
911 | profile_print_core (sim_cpu *cpu, int verbose) | |
912 | { | |
913 | unsigned int total; | |
914 | unsigned int max_val; | |
915 | /* FIXME: Need to add smp support. */ | |
916 | SIM_DESC sd = CPU_STATE (cpu); | |
917 | PROFILE_DATA *data = CPU_PROFILE_DATA (cpu); | |
918 | char comma_buf[20]; | |
919 | ||
0d3d2c71 | 920 | profile_printf (sd, cpu, "CORE Statistics\n\n"); |
c906108c SS |
921 | |
922 | /* First pass over data computes various things. */ | |
923 | { | |
924 | unsigned map; | |
925 | total = 0; | |
926 | max_val = 0; | |
927 | for (map = 0; map < nr_maps; map++) | |
928 | { | |
929 | total += PROFILE_CORE_COUNT (data) [map]; | |
930 | if (PROFILE_CORE_COUNT (data) [map] > max_val) | |
931 | max_val = PROFILE_CORE_COUNT (data) [map]; | |
932 | } | |
933 | } | |
934 | ||
935 | /* One could use PROFILE_LABEL_WIDTH here. I chose not to. */ | |
0d3d2c71 MF |
936 | profile_printf (sd, cpu, " Total: %s accesses\n", |
937 | COMMAS (total)); | |
c906108c SS |
938 | |
939 | if (verbose && max_val != 0) | |
940 | { | |
941 | unsigned map; | |
942 | /* Now we can print the histogram. */ | |
0d3d2c71 | 943 | profile_printf (sd, cpu, "\n"); |
c906108c SS |
944 | for (map = 0; map < nr_maps; map++) |
945 | { | |
946 | if (PROFILE_CORE_COUNT (data) [map] != 0) | |
947 | { | |
0d3d2c71 MF |
948 | profile_printf (sd, cpu, "%10s:", map_to_str (map)); |
949 | profile_printf (sd, cpu, "%*s: ", | |
950 | max_val < 10000 ? 5 : 10, | |
951 | COMMAS (PROFILE_CORE_COUNT (data) [map])); | |
952 | sim_profile_print_bar (sd, cpu, PROFILE_HISTOGRAM_WIDTH, | |
c906108c SS |
953 | PROFILE_CORE_COUNT (data) [map], |
954 | max_val); | |
0d3d2c71 | 955 | profile_printf (sd, cpu, "\n"); |
c906108c SS |
956 | } |
957 | } | |
958 | } | |
959 | ||
0d3d2c71 | 960 | profile_printf (sd, cpu, "\n"); |
c906108c SS |
961 | } |
962 | ||
963 | #endif | |
964 | ||
965 | #if WITH_PROFILE_MODEL_P | |
966 | ||
967 | static void | |
968 | profile_print_model (sim_cpu *cpu, int verbose) | |
969 | { | |
970 | SIM_DESC sd = CPU_STATE (cpu); | |
971 | PROFILE_DATA *data = CPU_PROFILE_DATA (cpu); | |
972 | unsigned long cti_stall_cycles = PROFILE_MODEL_CTI_STALL_CYCLES (data); | |
973 | unsigned long load_stall_cycles = PROFILE_MODEL_LOAD_STALL_CYCLES (data); | |
974 | unsigned long total_cycles = PROFILE_MODEL_TOTAL_CYCLES (data); | |
975 | char comma_buf[20]; | |
976 | ||
0d3d2c71 MF |
977 | profile_printf (sd, cpu, "Model %s Timing Information", |
978 | MODEL_NAME (CPU_MODEL (cpu))); | |
c906108c SS |
979 | #ifdef SIM_HAVE_ADDR_RANGE |
980 | if (PROFILE_RANGE (data)->ranges) | |
0d3d2c71 | 981 | profile_printf (sd, cpu, " (for selected address range(s))"); |
c906108c | 982 | #endif |
0d3d2c71 MF |
983 | profile_printf (sd, cpu, "\n\n"); |
984 | profile_printf (sd, cpu, " %-*s %s\n", | |
985 | PROFILE_LABEL_WIDTH, "Taken branches:", | |
986 | COMMAS (PROFILE_MODEL_TAKEN_COUNT (data))); | |
987 | profile_printf (sd, cpu, " %-*s %s\n", | |
988 | PROFILE_LABEL_WIDTH, "Untaken branches:", | |
989 | COMMAS (PROFILE_MODEL_UNTAKEN_COUNT (data))); | |
990 | profile_printf (sd, cpu, " %-*s %s\n", | |
991 | PROFILE_LABEL_WIDTH, "Cycles stalled due to branches:", | |
992 | COMMAS (cti_stall_cycles)); | |
993 | profile_printf (sd, cpu, " %-*s %s\n", | |
994 | PROFILE_LABEL_WIDTH, "Cycles stalled due to loads:", | |
995 | COMMAS (load_stall_cycles)); | |
996 | profile_printf (sd, cpu, " %-*s %s\n", | |
997 | PROFILE_LABEL_WIDTH, "Total cycles (*approximate*):", | |
998 | COMMAS (total_cycles)); | |
999 | profile_printf (sd, cpu, "\n"); | |
c906108c SS |
1000 | } |
1001 | ||
1002 | #endif | |
1003 | ||
1004 | void | |
0d3d2c71 | 1005 | sim_profile_print_bar (SIM_DESC sd, sim_cpu *cpu, unsigned int width, |
c906108c SS |
1006 | unsigned int val, unsigned int max_val) |
1007 | { | |
1008 | unsigned int i, count; | |
1009 | ||
1010 | count = ((double) val / (double) max_val) * (double) width; | |
1011 | ||
1012 | for (i = 0; i < count; ++i) | |
0d3d2c71 | 1013 | profile_printf (sd, cpu, "*"); |
c906108c SS |
1014 | } |
1015 | ||
1016 | /* Print the simulator's execution speed for CPU. */ | |
1017 | ||
1018 | static void | |
1019 | profile_print_speed (sim_cpu *cpu) | |
1020 | { | |
1021 | SIM_DESC sd = CPU_STATE (cpu); | |
1022 | PROFILE_DATA *data = CPU_PROFILE_DATA (cpu); | |
1023 | unsigned long milliseconds = sim_events_elapsed_time (sd); | |
1024 | unsigned long total = PROFILE_TOTAL_INSN_COUNT (data); | |
09032128 DB |
1025 | double clock; |
1026 | double secs; | |
c906108c SS |
1027 | char comma_buf[20]; |
1028 | ||
0d3d2c71 | 1029 | profile_printf (sd, cpu, "Simulator Execution Speed\n\n"); |
c906108c SS |
1030 | |
1031 | if (total != 0) | |
0d3d2c71 | 1032 | profile_printf (sd, cpu, " Total instructions: %s\n", COMMAS (total)); |
c906108c SS |
1033 | |
1034 | if (milliseconds < 1000) | |
0d3d2c71 | 1035 | profile_printf (sd, cpu, " Total execution time: < 1 second\n\n"); |
c906108c SS |
1036 | else |
1037 | { | |
1038 | /* The printing of the time rounded to 2 decimal places makes the speed | |
1039 | calculation seem incorrect [even though it is correct]. So round | |
1040 | MILLISECONDS first. This can marginally affect the result, but it's | |
1041 | better that the user not perceive there's a math error. */ | |
09032128 | 1042 | secs = (double) milliseconds / 1000; |
c906108c | 1043 | secs = ((double) (unsigned long) (secs * 100 + .5)) / 100; |
0d3d2c71 | 1044 | profile_printf (sd, cpu, " Total execution time : %.2f seconds\n", secs); |
c906108c SS |
1045 | /* Don't confuse things with data that isn't useful. |
1046 | If we ran for less than 2 seconds, only use the data if we | |
1047 | executed more than 100,000 insns. */ | |
1048 | if (secs >= 2 || total >= 100000) | |
0d3d2c71 MF |
1049 | profile_printf (sd, cpu, " Simulator speed: %s insns/second\n", |
1050 | COMMAS ((unsigned long) ((double) total / secs))); | |
c906108c | 1051 | } |
09032128 | 1052 | |
09032128 DB |
1053 | /* Print simulated execution time if the cpu frequency has been specified. */ |
1054 | clock = PROFILE_CPU_FREQ (data); | |
1055 | if (clock != 0) | |
1056 | { | |
1057 | if (clock >= 1000000) | |
0d3d2c71 MF |
1058 | profile_printf (sd, cpu, " Simulated cpu frequency: %.2f MHz\n", |
1059 | clock / 1000000); | |
09032128 | 1060 | else |
0d3d2c71 | 1061 | profile_printf (sd, cpu, " Simulated cpu frequency: %.2f Hz\n", clock); |
09032128 | 1062 | |
80dbae7a | 1063 | #if WITH_PROFILE_MODEL_P |
09032128 DB |
1064 | if (PROFILE_FLAGS (data) [PROFILE_MODEL_IDX]) |
1065 | { | |
1066 | /* The printing of the time rounded to 2 decimal places makes the | |
1067 | speed calculation seem incorrect [even though it is correct]. | |
1068 | So round SECS first. This can marginally affect the result, | |
1069 | but it's better that the user not perceive there's a math | |
1070 | error. */ | |
1071 | secs = PROFILE_MODEL_TOTAL_CYCLES (data) / clock; | |
1072 | secs = ((double) (unsigned long) (secs * 100 + .5)) / 100; | |
0d3d2c71 MF |
1073 | profile_printf (sd, cpu, " Simulated execution time: %.2f seconds\n", |
1074 | secs); | |
09032128 | 1075 | } |
09032128 | 1076 | #endif /* WITH_PROFILE_MODEL_P */ |
80dbae7a | 1077 | } |
c906108c SS |
1078 | } |
1079 | ||
739dfd28 | 1080 | #ifdef SIM_HAVE_ADDR_RANGE |
c906108c SS |
1081 | /* Print selected address ranges. */ |
1082 | ||
1083 | static void | |
1084 | profile_print_addr_ranges (sim_cpu *cpu) | |
1085 | { | |
1086 | ADDR_SUBRANGE *asr = PROFILE_RANGE (CPU_PROFILE_DATA (cpu))->ranges; | |
1087 | SIM_DESC sd = CPU_STATE (cpu); | |
1088 | ||
1089 | if (asr) | |
1090 | { | |
0d3d2c71 | 1091 | profile_printf (sd, cpu, "Selected address ranges\n\n"); |
c906108c SS |
1092 | while (asr != NULL) |
1093 | { | |
0d3d2c71 MF |
1094 | profile_printf (sd, cpu, " 0x%lx - 0x%lx\n", |
1095 | (long) asr->start, (long) asr->end); | |
c906108c SS |
1096 | asr = asr->next; |
1097 | } | |
0d3d2c71 | 1098 | profile_printf (sd, cpu, "\n"); |
c906108c SS |
1099 | } |
1100 | } | |
739dfd28 | 1101 | #endif |
c906108c SS |
1102 | |
1103 | /* Top level function to print all summary profile information. | |
1104 | It is [currently] intended that all such data is printed by this function. | |
1105 | I'd rather keep it all in one place for now. To that end, MISC_CPU and | |
1106 | MISC are callbacks used to print any miscellaneous data. | |
1107 | ||
1108 | One might want to add a user option that allows printing by type or by cpu | |
1109 | (i.e. print all insn data for each cpu first, or print data cpu by cpu). | |
1110 | This may be a case of featuritis so it's currently left out. | |
1111 | ||
1112 | Note that results are indented two spaces to distinguish them from | |
1113 | section titles. */ | |
1114 | ||
1115 | static void | |
1116 | profile_info (SIM_DESC sd, int verbose) | |
1117 | { | |
1118 | int i,c; | |
1119 | int print_title_p = 0; | |
1120 | ||
1121 | /* Only print the title if some data has been collected. */ | |
1122 | /* ??? Why don't we just exit if no data collected? */ | |
1123 | /* FIXME: If the number of processors can be selected on the command line, | |
1124 | then MAX_NR_PROCESSORS will need to take an argument of `sd'. */ | |
1125 | ||
f1a81b37 | 1126 | for (c = 0; c < MAX_NR_PROCESSORS && !print_title_p; ++c) |
c906108c SS |
1127 | { |
1128 | sim_cpu *cpu = STATE_CPU (sd, c); | |
1129 | PROFILE_DATA *data = CPU_PROFILE_DATA (cpu); | |
1130 | ||
1131 | for (i = 0; i < MAX_PROFILE_VALUES; ++i) | |
1132 | if (PROFILE_FLAGS (data) [i]) | |
0d3d2c71 MF |
1133 | { |
1134 | profile_printf (sd, cpu, "Summary profiling results:\n\n"); | |
1135 | print_title_p = 1; | |
f1a81b37 | 1136 | break; |
0d3d2c71 | 1137 | } |
c906108c | 1138 | } |
c906108c SS |
1139 | |
1140 | /* Loop, cpu by cpu, printing results. */ | |
1141 | ||
1142 | for (c = 0; c < MAX_NR_PROCESSORS; ++c) | |
1143 | { | |
1144 | sim_cpu *cpu = STATE_CPU (sd, c); | |
1145 | PROFILE_DATA *data = CPU_PROFILE_DATA (cpu); | |
1146 | ||
1147 | if (MAX_NR_PROCESSORS > 1 | |
1148 | && (0 | |
1149 | #if WITH_PROFILE_INSN_P | |
1150 | || PROFILE_FLAGS (data) [PROFILE_INSN_IDX] | |
1151 | #endif | |
1152 | #if WITH_PROFILE_MEMORY_P | |
1153 | || PROFILE_FLAGS (data) [PROFILE_MEMORY_IDX] | |
1154 | #endif | |
1155 | #if WITH_PROFILE_CORE_P | |
1156 | || PROFILE_FLAGS (data) [PROFILE_CORE_IDX] | |
1157 | #endif | |
1158 | #if WITH_PROFILE_MODEL_P | |
1159 | || PROFILE_FLAGS (data) [PROFILE_MODEL_IDX] | |
1160 | #endif | |
1161 | #if WITH_PROFILE_SCACHE_P && WITH_SCACHE | |
1162 | || PROFILE_FLAGS (data) [PROFILE_SCACHE_IDX] | |
1163 | #endif | |
1164 | #if WITH_PROFILE_PC_P | |
1165 | || PROFILE_FLAGS (data) [PROFILE_PC_IDX] | |
1166 | #endif | |
1167 | )) | |
1168 | { | |
0d3d2c71 | 1169 | profile_printf (sd, cpu, "CPU %d\n\n", c); |
c906108c SS |
1170 | } |
1171 | ||
1172 | #ifdef SIM_HAVE_ADDR_RANGE | |
1173 | if (print_title_p | |
1174 | && (PROFILE_INSN_P (cpu) | |
1175 | || PROFILE_MODEL_P (cpu))) | |
1176 | profile_print_addr_ranges (cpu); | |
1177 | #endif | |
1178 | ||
1179 | #if WITH_PROFILE_INSN_P | |
1180 | if (PROFILE_FLAGS (data) [PROFILE_INSN_IDX]) | |
1181 | profile_print_insn (cpu, verbose); | |
1182 | #endif | |
1183 | ||
1184 | #if WITH_PROFILE_MEMORY_P | |
1185 | if (PROFILE_FLAGS (data) [PROFILE_MEMORY_IDX]) | |
1186 | profile_print_memory (cpu, verbose); | |
1187 | #endif | |
1188 | ||
1189 | #if WITH_PROFILE_CORE_P | |
1190 | if (PROFILE_FLAGS (data) [PROFILE_CORE_IDX]) | |
1191 | profile_print_core (cpu, verbose); | |
1192 | #endif | |
1193 | ||
1194 | #if WITH_PROFILE_MODEL_P | |
1195 | if (PROFILE_FLAGS (data) [PROFILE_MODEL_IDX]) | |
1196 | profile_print_model (cpu, verbose); | |
1197 | #endif | |
1198 | ||
1199 | #if WITH_PROFILE_SCACHE_P && WITH_SCACHE | |
1200 | if (PROFILE_FLAGS (data) [PROFILE_SCACHE_IDX]) | |
1201 | scache_print_profile (cpu, verbose); | |
1202 | #endif | |
1203 | ||
1204 | #if WITH_PROFILE_PC_P | |
1205 | if (PROFILE_FLAGS (data) [PROFILE_PC_IDX]) | |
1206 | profile_print_pc (cpu, verbose); | |
1207 | #endif | |
1208 | ||
1209 | /* Print cpu-specific data before the execution speed. */ | |
1210 | if (PROFILE_INFO_CPU_CALLBACK (data) != NULL) | |
1211 | PROFILE_INFO_CPU_CALLBACK (data) (cpu, verbose); | |
1212 | ||
1213 | /* Always try to print execution time and speed. */ | |
1214 | if (verbose | |
1215 | || PROFILE_FLAGS (data) [PROFILE_INSN_IDX]) | |
1216 | profile_print_speed (cpu); | |
1217 | } | |
1218 | ||
1219 | /* Finally print non-cpu specific miscellaneous data. */ | |
1220 | if (STATE_PROFILE_INFO_CALLBACK (sd)) | |
1221 | STATE_PROFILE_INFO_CALLBACK (sd) (sd, verbose); | |
1222 | ||
1223 | } | |
1224 | \f | |
1225 | /* Install profiling support in the simulator. */ | |
1226 | ||
1227 | SIM_RC | |
1228 | profile_install (SIM_DESC sd) | |
1229 | { | |
1230 | int i; | |
1231 | ||
1232 | SIM_ASSERT (STATE_MAGIC (sd) == SIM_MAGIC_NUMBER); | |
1233 | sim_add_option_table (sd, NULL, profile_options); | |
1234 | for (i = 0; i < MAX_NR_PROCESSORS; ++i) | |
1235 | memset (CPU_PROFILE_DATA (STATE_CPU (sd, i)), 0, | |
1236 | sizeof (* CPU_PROFILE_DATA (STATE_CPU (sd, i)))); | |
1237 | #if WITH_PROFILE_INSN_P | |
1238 | sim_module_add_init_fn (sd, profile_insn_init); | |
1239 | #endif | |
1240 | #if WITH_PROFILE_PC_P | |
1241 | sim_module_add_uninstall_fn (sd, profile_pc_uninstall); | |
1242 | sim_module_add_init_fn (sd, profile_pc_init); | |
1243 | #endif | |
1244 | sim_module_add_init_fn (sd, profile_init); | |
1245 | sim_module_add_uninstall_fn (sd, profile_uninstall); | |
1246 | sim_module_add_info_fn (sd, profile_info); | |
1247 | return SIM_RC_OK; | |
1248 | } | |
1249 | ||
1250 | static SIM_RC | |
1251 | profile_init (SIM_DESC sd) | |
1252 | { | |
1253 | #ifdef SIM_HAVE_ADDR_RANGE | |
1254 | /* Check if a range has been specified without specifying what to | |
1255 | collect. */ | |
1256 | { | |
1257 | int i; | |
1258 | ||
1259 | for (i = 0; i < MAX_NR_PROCESSORS; ++i) | |
1260 | { | |
1261 | sim_cpu *cpu = STATE_CPU (sd, i); | |
1262 | ||
1263 | if (ADDR_RANGE_RANGES (PROFILE_RANGE (CPU_PROFILE_DATA (cpu))) | |
1264 | && ! (PROFILE_INSN_P (cpu) | |
1265 | || PROFILE_MODEL_P (cpu))) | |
1266 | { | |
1267 | sim_io_eprintf_cpu (cpu, "Profiling address range specified without --profile-insn or --profile-model.\n"); | |
1268 | sim_io_eprintf_cpu (cpu, "Address range ignored.\n"); | |
1269 | sim_addr_range_delete (PROFILE_RANGE (CPU_PROFILE_DATA (cpu)), | |
1270 | 0, ~ (address_word) 0); | |
1271 | } | |
1272 | } | |
1273 | } | |
1274 | #endif | |
1275 | ||
1276 | return SIM_RC_OK; | |
1277 | } | |
1278 | ||
1279 | static void | |
1280 | profile_uninstall (SIM_DESC sd) | |
1281 | { | |
1282 | int i,j; | |
1283 | ||
1284 | for (i = 0; i < MAX_NR_PROCESSORS; ++i) | |
1285 | { | |
1286 | sim_cpu *cpu = STATE_CPU (sd, i); | |
1287 | PROFILE_DATA *data = CPU_PROFILE_DATA (cpu); | |
1288 | ||
1289 | if (PROFILE_FILE (data) != NULL) | |
1290 | { | |
1291 | /* If output from different cpus is going to the same file, | |
1292 | avoid closing the file twice. */ | |
1293 | for (j = 0; j < i; ++j) | |
1294 | if (PROFILE_FILE (CPU_PROFILE_DATA (STATE_CPU (sd, j))) | |
1295 | == PROFILE_FILE (data)) | |
1296 | break; | |
1297 | if (i == j) | |
1298 | fclose (PROFILE_FILE (data)); | |
1299 | } | |
1300 | ||
1301 | if (PROFILE_INSN_COUNT (data) != NULL) | |
d79fe0d6 | 1302 | free (PROFILE_INSN_COUNT (data)); |
c906108c SS |
1303 | } |
1304 | } |