e7bcd3e3a7df649e6c4684ac0dbc42aaaccf1976
[deliverable/binutils-gdb.git] / sim / common / sim-profile.c
1 /* Default profiling support.
2 Copyright (C) 1996, 1997, 1998, 2000, 2001, 2007, 2008, 2009, 2010
3 Free Software Foundation, Inc.
4 Contributed by Cygnus Support.
5
6 This file is part of GDB, the GNU debugger.
7
8 This program is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 3 of the License, or
11 (at your option) any later version.
12
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
17
18 You should have received a copy of the GNU General Public License
19 along with this program. If not, see <http://www.gnu.org/licenses/>. */
20
21 #include "sim-main.h"
22 #include "sim-io.h"
23 #include "sim-options.h"
24 #include "sim-assert.h"
25
26 #ifdef HAVE_STDLIB_H
27 #include <stdlib.h>
28 #endif
29
30 #ifdef HAVE_STRING_H
31 #include <string.h>
32 #else
33 #ifdef HAVE_STRINGS_H
34 #include <strings.h>
35 #endif
36 #endif
37 #include <ctype.h>
38
39 #define COMMAS(n) sim_add_commas (comma_buf, sizeof (comma_buf), (n))
40
41 static MODULE_INIT_FN profile_init;
42 static MODULE_UNINSTALL_FN profile_uninstall;
43
44 static DECLARE_OPTION_HANDLER (profile_option_handler);
45
46 enum {
47 OPTION_PROFILE_INSN = OPTION_START,
48 OPTION_PROFILE_MEMORY,
49 OPTION_PROFILE_MODEL,
50 OPTION_PROFILE_FILE,
51 OPTION_PROFILE_CORE,
52 OPTION_PROFILE_CPU_FREQUENCY,
53 OPTION_PROFILE_PC,
54 OPTION_PROFILE_PC_RANGE,
55 OPTION_PROFILE_PC_GRANULARITY,
56 OPTION_PROFILE_RANGE,
57 OPTION_PROFILE_FUNCTION
58 };
59
60 static const OPTION profile_options[] = {
61 { {"profile", optional_argument, NULL, 'p'},
62 'p', "on|off", "Perform profiling",
63 profile_option_handler, NULL },
64 { {"profile-insn", optional_argument, NULL, OPTION_PROFILE_INSN},
65 '\0', "on|off", "Perform instruction profiling",
66 profile_option_handler, NULL },
67 { {"profile-memory", optional_argument, NULL, OPTION_PROFILE_MEMORY},
68 '\0', "on|off", "Perform memory profiling",
69 profile_option_handler, NULL },
70 { {"profile-core", optional_argument, NULL, OPTION_PROFILE_CORE},
71 '\0', "on|off", "Perform CORE profiling",
72 profile_option_handler, NULL },
73 { {"profile-model", optional_argument, NULL, OPTION_PROFILE_MODEL},
74 '\0', "on|off", "Perform model profiling",
75 profile_option_handler, NULL },
76 { {"profile-cpu-frequency", required_argument, NULL,
77 OPTION_PROFILE_CPU_FREQUENCY},
78 '\0', "CPU FREQUENCY", "Specify the speed of the simulated cpu clock",
79 profile_option_handler, NULL },
80
81 { {"profile-file", required_argument, NULL, OPTION_PROFILE_FILE},
82 '\0', "FILE NAME", "Specify profile output file",
83 profile_option_handler, NULL },
84
85 { {"profile-pc", optional_argument, NULL, OPTION_PROFILE_PC},
86 '\0', "on|off", "Perform PC profiling",
87 profile_option_handler, NULL },
88 { {"profile-pc-frequency", required_argument, NULL, 'F'},
89 'F', "PC PROFILE FREQUENCY", "Specified PC profiling frequency",
90 profile_option_handler, NULL },
91 { {"profile-pc-size", required_argument, NULL, 'S'},
92 'S', "PC PROFILE SIZE", "Specify PC profiling size",
93 profile_option_handler, NULL },
94 { {"profile-pc-granularity", required_argument, NULL, OPTION_PROFILE_PC_GRANULARITY},
95 '\0', "PC PROFILE GRANULARITY", "Specify PC profiling sample coverage",
96 profile_option_handler, NULL },
97 { {"profile-pc-range", required_argument, NULL, OPTION_PROFILE_PC_RANGE},
98 '\0', "BASE,BOUND", "Specify PC profiling address range",
99 profile_option_handler, NULL },
100
101 #ifdef SIM_HAVE_ADDR_RANGE
102 { {"profile-range", required_argument, NULL, OPTION_PROFILE_RANGE},
103 '\0', "START,END", "Specify range of addresses for instruction and model profiling",
104 profile_option_handler, NULL },
105 #if 0 /*wip*/
106 { {"profile-function", required_argument, NULL, OPTION_PROFILE_FUNCTION},
107 '\0', "FUNCTION", "Specify function to profile",
108 profile_option_handler, NULL },
109 #endif
110 #endif
111
112 { {NULL, no_argument, NULL, 0}, '\0', NULL, NULL, NULL, NULL }
113 };
114
115 /* Set/reset the profile options indicated in MASK. */
116
117 SIM_RC
118 set_profile_option_mask (SIM_DESC sd, const char *name, int mask, const char *arg)
119 {
120 int profile_nr;
121 int cpu_nr;
122 int profile_val = 1;
123
124 if (arg != NULL)
125 {
126 if (strcmp (arg, "yes") == 0
127 || strcmp (arg, "on") == 0
128 || strcmp (arg, "1") == 0)
129 profile_val = 1;
130 else if (strcmp (arg, "no") == 0
131 || strcmp (arg, "off") == 0
132 || strcmp (arg, "0") == 0)
133 profile_val = 0;
134 else
135 {
136 sim_io_eprintf (sd, "Argument `%s' for `--profile%s' invalid, one of `on', `off', `yes', `no' expected\n", arg, name);
137 return SIM_RC_FAIL;
138 }
139 }
140
141 /* update applicable profile bits */
142 for (profile_nr = 0; profile_nr < MAX_PROFILE_VALUES; ++profile_nr)
143 {
144 if ((mask & (1 << profile_nr)) == 0)
145 continue;
146
147 #if 0 /* see sim-trace.c, set flags in STATE here if/when there are any */
148 /* Set non-cpu specific values. */
149 switch (profile_nr)
150 {
151 case ??? :
152 break;
153 }
154 #endif
155
156 /* Set cpu values. */
157 for (cpu_nr = 0; cpu_nr < MAX_NR_PROCESSORS; cpu_nr++)
158 {
159 CPU_PROFILE_FLAGS (STATE_CPU (sd, cpu_nr))[profile_nr] = profile_val;
160 }
161 }
162
163 /* Re-compute the cpu profile summary. */
164 if (profile_val)
165 {
166 for (cpu_nr = 0; cpu_nr < MAX_NR_PROCESSORS; cpu_nr++)
167 CPU_PROFILE_DATA (STATE_CPU (sd, cpu_nr))->profile_any_p = 1;
168 }
169 else
170 {
171 for (cpu_nr = 0; cpu_nr < MAX_NR_PROCESSORS; cpu_nr++)
172 {
173 CPU_PROFILE_DATA (STATE_CPU (sd, cpu_nr))->profile_any_p = 0;
174 for (profile_nr = 0; profile_nr < MAX_PROFILE_VALUES; ++profile_nr)
175 {
176 if (CPU_PROFILE_FLAGS (STATE_CPU (sd, cpu_nr))[profile_nr])
177 {
178 CPU_PROFILE_DATA (STATE_CPU (sd, cpu_nr))->profile_any_p = 1;
179 break;
180 }
181 }
182 }
183 }
184
185 return SIM_RC_OK;
186 }
187
188 /* Set one profile option based on its IDX value.
189 Not static as cgen-scache.c uses it. */
190
191 SIM_RC
192 sim_profile_set_option (SIM_DESC sd, const char *name, int idx, const char *arg)
193 {
194 return set_profile_option_mask (sd, name, 1 << idx, arg);
195 }
196
197 static SIM_RC
198 parse_frequency (SIM_DESC sd, const char *arg, unsigned long *freq)
199 {
200 const char *ch;
201 /* First, parse a decimal number. */
202 *freq = 0;
203 ch = arg;
204 if (isdigit (*arg))
205 {
206 for (/**/; *ch != '\0'; ++ch)
207 {
208 if (! isdigit (*ch))
209 break;
210 *freq = *freq * 10 + (*ch - '0');
211 }
212
213 /* Accept KHz, MHz or Hz as a suffix. */
214 if (tolower (*ch) == 'm')
215 {
216 *freq *= 1000000;
217 ++ch;
218 }
219 else if (tolower (*ch) == 'k')
220 {
221 *freq *= 1000;
222 ++ch;
223 }
224
225 if (tolower (*ch) == 'h')
226 {
227 ++ch;
228 if (tolower (*ch) == 'z')
229 ++ch;
230 }
231 }
232
233 if (*ch != '\0')
234 {
235 sim_io_eprintf (sd, "Invalid argument for --profile-cpu-frequency: %s\n",
236 arg);
237 *freq = 0;
238 return SIM_RC_FAIL;
239 }
240
241 return SIM_RC_OK;
242 }
243
244 static SIM_RC
245 profile_option_handler (SIM_DESC sd,
246 sim_cpu *cpu,
247 int opt,
248 char *arg,
249 int is_command)
250 {
251 int cpu_nr;
252
253 /* FIXME: Need to handle `cpu' arg. */
254
255 switch (opt)
256 {
257 case 'p' :
258 if (! WITH_PROFILE)
259 sim_io_eprintf (sd, "Profiling not compiled in, `-p' ignored\n");
260 else
261 return set_profile_option_mask (sd, "profile", PROFILE_USEFUL_MASK,
262 arg);
263 break;
264
265 case OPTION_PROFILE_INSN :
266 if (WITH_PROFILE_INSN_P)
267 return sim_profile_set_option (sd, "-insn", PROFILE_INSN_IDX, arg);
268 else
269 sim_io_eprintf (sd, "Instruction profiling not compiled in, `--profile-insn' ignored\n");
270 break;
271
272 case OPTION_PROFILE_MEMORY :
273 if (WITH_PROFILE_MEMORY_P)
274 return sim_profile_set_option (sd, "-memory", PROFILE_MEMORY_IDX, arg);
275 else
276 sim_io_eprintf (sd, "Memory profiling not compiled in, `--profile-memory' ignored\n");
277 break;
278
279 case OPTION_PROFILE_CORE :
280 if (WITH_PROFILE_CORE_P)
281 return sim_profile_set_option (sd, "-core", PROFILE_CORE_IDX, arg);
282 else
283 sim_io_eprintf (sd, "CORE profiling not compiled in, `--profile-core' ignored\n");
284 break;
285
286 case OPTION_PROFILE_MODEL :
287 if (WITH_PROFILE_MODEL_P)
288 return sim_profile_set_option (sd, "-model", PROFILE_MODEL_IDX, arg);
289 else
290 sim_io_eprintf (sd, "Model profiling not compiled in, `--profile-model' ignored\n");
291 break;
292
293 case OPTION_PROFILE_CPU_FREQUENCY :
294 {
295 unsigned long val;
296 SIM_RC rc = parse_frequency (sd, arg, &val);
297 if (rc == SIM_RC_OK)
298 {
299 for (cpu_nr = 0; cpu_nr < MAX_NR_PROCESSORS; ++cpu_nr)
300 PROFILE_CPU_FREQ (CPU_PROFILE_DATA (STATE_CPU (sd,cpu_nr))) = val;
301 }
302 return rc;
303 }
304
305 case OPTION_PROFILE_FILE :
306 /* FIXME: Might want this to apply to pc profiling only,
307 or have two profile file options. */
308 if (! WITH_PROFILE)
309 sim_io_eprintf (sd, "Profiling not compiled in, `--profile-file' ignored\n");
310 else
311 {
312 FILE *f = fopen (arg, "w");
313
314 if (f == NULL)
315 {
316 sim_io_eprintf (sd, "Unable to open profile output file `%s'\n", arg);
317 return SIM_RC_FAIL;
318 }
319 for (cpu_nr = 0; cpu_nr < MAX_NR_PROCESSORS; ++cpu_nr)
320 PROFILE_FILE (CPU_PROFILE_DATA (STATE_CPU (sd, cpu_nr))) = f;
321 }
322 break;
323
324 case OPTION_PROFILE_PC:
325 if (WITH_PROFILE_PC_P)
326 return sim_profile_set_option (sd, "-pc", PROFILE_PC_IDX, arg);
327 else
328 sim_io_eprintf (sd, "PC profiling not compiled in, `--profile-pc' ignored\n");
329 break;
330
331 case 'F' :
332 if (WITH_PROFILE_PC_P)
333 {
334 /* FIXME: Validate arg. */
335 int val = atoi (arg);
336 for (cpu_nr = 0; cpu_nr < MAX_NR_PROCESSORS; ++cpu_nr)
337 PROFILE_PC_FREQ (CPU_PROFILE_DATA (STATE_CPU (sd, cpu_nr))) = val;
338 for (cpu_nr = 0; cpu_nr < MAX_NR_PROCESSORS; ++cpu_nr)
339 CPU_PROFILE_FLAGS (STATE_CPU (sd, cpu_nr))[PROFILE_PC_IDX] = 1;
340 }
341 else
342 sim_io_eprintf (sd, "PC profiling not compiled in, `--profile-pc-frequency' ignored\n");
343 break;
344
345 case 'S' :
346 if (WITH_PROFILE_PC_P)
347 {
348 /* FIXME: Validate arg. */
349 int val = atoi (arg);
350 for (cpu_nr = 0; cpu_nr < MAX_NR_PROCESSORS; ++cpu_nr)
351 PROFILE_PC_NR_BUCKETS (CPU_PROFILE_DATA (STATE_CPU (sd, cpu_nr))) = val;
352 for (cpu_nr = 0; cpu_nr < MAX_NR_PROCESSORS; ++cpu_nr)
353 CPU_PROFILE_FLAGS (STATE_CPU (sd, cpu_nr))[PROFILE_PC_IDX] = 1;
354 }
355 else
356 sim_io_eprintf (sd, "PC profiling not compiled in, `--profile-pc-size' ignored\n");
357 break;
358
359 case OPTION_PROFILE_PC_GRANULARITY:
360 if (WITH_PROFILE_PC_P)
361 {
362 int shift;
363 int val = atoi (arg);
364 /* check that the granularity is a power of two */
365 shift = 0;
366 while (val > (1 << shift))
367 {
368 shift += 1;
369 }
370 if (val != (1 << shift))
371 {
372 sim_io_eprintf (sd, "PC profiling granularity not a power of two\n");
373 return SIM_RC_FAIL;
374 }
375 if (shift == 0)
376 {
377 sim_io_eprintf (sd, "PC profiling granularity too small");
378 return SIM_RC_FAIL;
379 }
380 for (cpu_nr = 0; cpu_nr < MAX_NR_PROCESSORS; ++cpu_nr)
381 PROFILE_PC_SHIFT (CPU_PROFILE_DATA (STATE_CPU (sd, cpu_nr))) = shift;
382 for (cpu_nr = 0; cpu_nr < MAX_NR_PROCESSORS; ++cpu_nr)
383 CPU_PROFILE_FLAGS (STATE_CPU (sd, cpu_nr))[PROFILE_PC_IDX] = 1;
384 }
385 else
386 sim_io_eprintf (sd, "PC profiling not compiled in, `--profile-pc-granularity' ignored\n");
387 break;
388
389 case OPTION_PROFILE_PC_RANGE:
390 if (WITH_PROFILE_PC_P)
391 {
392 /* FIXME: Validate args */
393 char *chp = arg;
394 unsigned long base;
395 unsigned long bound;
396 base = strtoul (chp, &chp, 0);
397 if (*chp != ',')
398 {
399 sim_io_eprintf (sd, "--profile-pc-range missing BOUND argument\n");
400 return SIM_RC_FAIL;
401 }
402 bound = strtoul (chp + 1, NULL, 0);
403 for (cpu_nr = 0; cpu_nr < MAX_NR_PROCESSORS; ++cpu_nr)
404 {
405 PROFILE_PC_START (CPU_PROFILE_DATA (STATE_CPU (sd, cpu_nr))) = base;
406 PROFILE_PC_END (CPU_PROFILE_DATA (STATE_CPU (sd, cpu_nr))) = bound;
407 }
408 for (cpu_nr = 0; cpu_nr < MAX_NR_PROCESSORS; ++cpu_nr)
409 CPU_PROFILE_FLAGS (STATE_CPU (sd, cpu_nr))[PROFILE_PC_IDX] = 1;
410 }
411 else
412 sim_io_eprintf (sd, "PC profiling not compiled in, `--profile-pc-range' ignored\n");
413 break;
414
415 #ifdef SIM_HAVE_ADDR_RANGE
416 case OPTION_PROFILE_RANGE :
417 if (WITH_PROFILE)
418 {
419 char *chp = arg;
420 unsigned long start,end;
421 start = strtoul (chp, &chp, 0);
422 if (*chp != ',')
423 {
424 sim_io_eprintf (sd, "--profile-range missing END argument\n");
425 return SIM_RC_FAIL;
426 }
427 end = strtoul (chp + 1, NULL, 0);
428 /* FIXME: Argument validation. */
429 if (cpu != NULL)
430 sim_addr_range_add (PROFILE_RANGE (CPU_PROFILE_DATA (cpu)),
431 start, end);
432 else
433 for (cpu_nr = 0; cpu_nr < MAX_NR_PROCESSORS; ++cpu_nr)
434 sim_addr_range_add (PROFILE_RANGE (CPU_PROFILE_DATA (STATE_CPU (sd, cpu_nr))),
435 start, end);
436 }
437 else
438 sim_io_eprintf (sd, "Profiling not compiled in, `--profile-range' ignored\n");
439 break;
440
441 case OPTION_PROFILE_FUNCTION :
442 if (WITH_PROFILE)
443 {
444 /*wip: need to compute function range given name*/
445 }
446 else
447 sim_io_eprintf (sd, "Profiling not compiled in, `--profile-function' ignored\n");
448 break;
449 #endif /* SIM_HAVE_ADDR_RANGE */
450 }
451
452 return SIM_RC_OK;
453 }
454 \f
455 /* Profiling output hooks. */
456
457 static void
458 profile_vprintf (SIM_DESC sd, sim_cpu *cpu, const char *fmt, va_list ap)
459 {
460 FILE *fp = PROFILE_FILE (CPU_PROFILE_DATA (cpu));
461
462 /* If an output file was given, redirect output to that. */
463 if (fp != NULL)
464 vfprintf (fp, fmt, ap);
465 else
466 sim_io_evprintf (sd, fmt, ap);
467 }
468
469 __attribute__ ((format (printf, 3, 4)))
470 static void
471 profile_printf (SIM_DESC sd, sim_cpu *cpu, const char *fmt, ...)
472 {
473 va_list ap;
474
475 va_start (ap, fmt);
476 profile_vprintf (sd, cpu, fmt, ap);
477 va_end (ap);
478 }
479 \f
480 /* PC profiling support */
481
482 #if WITH_PROFILE_PC_P
483
484 static void
485 profile_pc_cleanup (SIM_DESC sd)
486 {
487 int n;
488 for (n = 0; n < MAX_NR_PROCESSORS; n++)
489 {
490 sim_cpu *cpu = STATE_CPU (sd, n);
491 PROFILE_DATA *data = CPU_PROFILE_DATA (cpu);
492 if (PROFILE_PC_COUNT (data) != NULL)
493 zfree (PROFILE_PC_COUNT (data));
494 PROFILE_PC_COUNT (data) = NULL;
495 if (PROFILE_PC_EVENT (data) != NULL)
496 sim_events_deschedule (sd, PROFILE_PC_EVENT (data));
497 PROFILE_PC_EVENT (data) = NULL;
498 }
499 }
500
501
502 static void
503 profile_pc_uninstall (SIM_DESC sd)
504 {
505 profile_pc_cleanup (sd);
506 }
507
508 static void
509 profile_pc_event (SIM_DESC sd,
510 void *data)
511 {
512 sim_cpu *cpu = (sim_cpu*) data;
513 PROFILE_DATA *profile = CPU_PROFILE_DATA (cpu);
514 address_word pc;
515 unsigned i;
516 switch (STATE_WATCHPOINTS (sd)->sizeof_pc)
517 {
518 case 2: pc = *(unsigned_2*)(STATE_WATCHPOINTS (sd)->pc) ; break;
519 case 4: pc = *(unsigned_4*)(STATE_WATCHPOINTS (sd)->pc) ; break;
520 case 8: pc = *(unsigned_8*)(STATE_WATCHPOINTS (sd)->pc) ; break;
521 default: pc = 0;
522 }
523 i = (pc - PROFILE_PC_START (profile)) >> PROFILE_PC_SHIFT (profile);
524 if (i < PROFILE_PC_NR_BUCKETS (profile))
525 PROFILE_PC_COUNT (profile) [i] += 1; /* Overflow? */
526 else
527 PROFILE_PC_COUNT (profile) [PROFILE_PC_NR_BUCKETS (profile)] += 1;
528 PROFILE_PC_EVENT (profile) =
529 sim_events_schedule (sd, PROFILE_PC_FREQ (profile), profile_pc_event, cpu);
530 }
531
532 static SIM_RC
533 profile_pc_init (SIM_DESC sd)
534 {
535 int n;
536 profile_pc_cleanup (sd);
537 for (n = 0; n < MAX_NR_PROCESSORS; n++)
538 {
539 sim_cpu *cpu = STATE_CPU (sd, n);
540 PROFILE_DATA *data = CPU_PROFILE_DATA (cpu);
541 if (CPU_PROFILE_FLAGS (STATE_CPU (sd, n))[PROFILE_PC_IDX]
542 && STATE_WATCHPOINTS (sd)->pc != NULL)
543 {
544 int bucket_size;
545 /* fill in the frequency if not specified */
546 if (PROFILE_PC_FREQ (data) == 0)
547 PROFILE_PC_FREQ (data) = 257;
548 /* fill in the start/end if not specified */
549 if (PROFILE_PC_END (data) == 0)
550 {
551 PROFILE_PC_START (data) = STATE_TEXT_START (sd);
552 PROFILE_PC_END (data) = STATE_TEXT_END (sd);
553 }
554 /* Compute the number of buckets if not specified. */
555 if (PROFILE_PC_NR_BUCKETS (data) == 0)
556 {
557 if (PROFILE_PC_BUCKET_SIZE (data) == 0)
558 PROFILE_PC_NR_BUCKETS (data) = 16;
559 else
560 {
561 if (PROFILE_PC_END (data) == 0)
562 {
563 /* nr_buckets = (full-address-range / 2) / (bucket_size / 2) */
564 PROFILE_PC_NR_BUCKETS (data) =
565 ((1 << (STATE_WATCHPOINTS (sd)->sizeof_pc) * (8 - 1))
566 / (PROFILE_PC_BUCKET_SIZE (data) / 2));
567 }
568 else
569 {
570 PROFILE_PC_NR_BUCKETS (data) =
571 ((PROFILE_PC_END (data)
572 - PROFILE_PC_START (data)
573 + PROFILE_PC_BUCKET_SIZE (data) - 1)
574 / PROFILE_PC_BUCKET_SIZE (data));
575 }
576 }
577 }
578 /* Compute the bucket size if not specified. Ensure that it
579 is rounded up to the next power of two */
580 if (PROFILE_PC_BUCKET_SIZE (data) == 0)
581 {
582 if (PROFILE_PC_END (data) == 0)
583 /* bucket_size = (full-address-range / 2) / (nr_buckets / 2) */
584 bucket_size = ((1 << ((STATE_WATCHPOINTS (sd)->sizeof_pc * 8) - 1))
585 / (PROFILE_PC_NR_BUCKETS (data) / 2));
586 else
587 bucket_size = ((PROFILE_PC_END (data)
588 - PROFILE_PC_START (data)
589 + PROFILE_PC_NR_BUCKETS (data) - 1)
590 / PROFILE_PC_NR_BUCKETS (data));
591 PROFILE_PC_SHIFT (data) = 0;
592 while (bucket_size > PROFILE_PC_BUCKET_SIZE (data))
593 {
594 PROFILE_PC_SHIFT (data) += 1;
595 }
596 }
597 /* Align the end address with bucket size */
598 if (PROFILE_PC_END (data) != 0)
599 PROFILE_PC_END (data) = (PROFILE_PC_START (data)
600 + (PROFILE_PC_BUCKET_SIZE (data)
601 * PROFILE_PC_NR_BUCKETS (data)));
602 /* create the relevant buffers */
603 PROFILE_PC_COUNT (data) =
604 NZALLOC (unsigned, PROFILE_PC_NR_BUCKETS (data) + 1);
605 PROFILE_PC_EVENT (data) =
606 sim_events_schedule (sd,
607 PROFILE_PC_FREQ (data),
608 profile_pc_event,
609 cpu);
610 }
611 }
612 return SIM_RC_OK;
613 }
614
615 static void
616 profile_print_pc (sim_cpu *cpu, int verbose)
617 {
618 SIM_DESC sd = CPU_STATE (cpu);
619 PROFILE_DATA *profile = CPU_PROFILE_DATA (cpu);
620 char comma_buf[20];
621 unsigned max_val;
622 unsigned total;
623 unsigned i;
624
625 if (PROFILE_PC_COUNT (profile) == 0)
626 return;
627
628 profile_printf (sd, cpu, "Program Counter Statistics:\n\n");
629
630 /* First pass over data computes various things. */
631 max_val = 0;
632 total = 0;
633 for (i = 0; i <= PROFILE_PC_NR_BUCKETS (profile); ++i)
634 {
635 total += PROFILE_PC_COUNT (profile) [i];
636 if (PROFILE_PC_COUNT (profile) [i] > max_val)
637 max_val = PROFILE_PC_COUNT (profile) [i];
638 }
639
640 profile_printf (sd, cpu, " Total samples: %s\n",
641 COMMAS (total));
642 profile_printf (sd, cpu, " Granularity: %s bytes per bucket\n",
643 COMMAS (PROFILE_PC_BUCKET_SIZE (profile)));
644 profile_printf (sd, cpu, " Size: %s buckets\n",
645 COMMAS (PROFILE_PC_NR_BUCKETS (profile)));
646 profile_printf (sd, cpu, " Frequency: %s cycles per sample\n",
647 COMMAS (PROFILE_PC_FREQ (profile)));
648
649 if (PROFILE_PC_END (profile) != 0)
650 profile_printf (sd, cpu, " Range: 0x%lx 0x%lx\n",
651 (long) PROFILE_PC_START (profile),
652 (long) PROFILE_PC_END (profile));
653
654 if (verbose && max_val != 0)
655 {
656 /* Now we can print the histogram. */
657 profile_printf (sd, cpu, "\n");
658 for (i = 0; i <= PROFILE_PC_NR_BUCKETS (profile); ++i)
659 {
660 if (PROFILE_PC_COUNT (profile) [i] != 0)
661 {
662 profile_printf (sd, cpu, " ");
663 if (i == PROFILE_PC_NR_BUCKETS (profile))
664 profile_printf (sd, cpu, "%10s:", "overflow");
665 else
666 profile_printf (sd, cpu, "0x%08lx:",
667 (long) (PROFILE_PC_START (profile)
668 + (i * PROFILE_PC_BUCKET_SIZE (profile))));
669 profile_printf (sd, cpu, " %*s",
670 max_val < 10000 ? 5 : 10,
671 COMMAS (PROFILE_PC_COUNT (profile) [i]));
672 profile_printf (sd, cpu, " %4.1f",
673 (PROFILE_PC_COUNT (profile) [i] * 100.0) / total);
674 profile_printf (sd, cpu, ": ");
675 sim_profile_print_bar (sd, cpu, PROFILE_HISTOGRAM_WIDTH,
676 PROFILE_PC_COUNT (profile) [i],
677 max_val);
678 profile_printf (sd, cpu, "\n");
679 }
680 }
681 }
682
683 /* dump the histogram to the file "gmon.out" using BSD's gprof file
684 format */
685 /* Since a profile data file is in the native format of the host on
686 which the profile is being, endian issues are not considered in
687 the code below. */
688 /* FIXME: Is this the best place for this code? */
689 {
690 FILE *pf = fopen ("gmon.out", "wb");
691
692 if (pf == NULL)
693 sim_io_eprintf (sd, "Failed to open \"gmon.out\" profile file\n");
694 else
695 {
696 int ok;
697 /* FIXME: what if the target has a 64 bit PC? */
698 unsigned32 header[3];
699 unsigned loop;
700 if (PROFILE_PC_END (profile) != 0)
701 {
702 header[0] = PROFILE_PC_START (profile);
703 header[1] = PROFILE_PC_END (profile);
704 }
705 else
706 {
707 header[0] = 0;
708 header[1] = 0;
709 }
710 /* size of sample buffer (+ header) */
711 header[2] = PROFILE_PC_NR_BUCKETS (profile) * 2 + sizeof (header);
712
713 /* Header must be written out in target byte order. */
714 H2T (header[0]);
715 H2T (header[1]);
716 H2T (header[2]);
717
718 ok = fwrite (&header, sizeof (header), 1, pf);
719 for (loop = 0;
720 ok && (loop < PROFILE_PC_NR_BUCKETS (profile));
721 loop++)
722 {
723 signed16 sample;
724 if (PROFILE_PC_COUNT (profile) [loop] >= 0xffff)
725 sample = 0xffff;
726 else
727 sample = PROFILE_PC_COUNT (profile) [loop];
728 H2T (sample);
729 ok = fwrite (&sample, sizeof (sample), 1, pf);
730 }
731 if (ok == 0)
732 sim_io_eprintf (sd, "Failed to write to \"gmon.out\" profile file\n");
733 fclose(pf);
734 }
735 }
736
737 profile_printf (sd, cpu, "\n");
738 }
739
740 #endif
741 \f
742 /* Summary printing support. */
743
744 #if WITH_PROFILE_INSN_P
745
746 static SIM_RC
747 profile_insn_init (SIM_DESC sd)
748 {
749 int c;
750
751 for (c = 0; c < MAX_NR_PROCESSORS; ++c)
752 {
753 sim_cpu *cpu = STATE_CPU (sd, c);
754
755 if (CPU_MAX_INSNS (cpu) > 0)
756 PROFILE_INSN_COUNT (CPU_PROFILE_DATA (cpu)) = NZALLOC (unsigned int, CPU_MAX_INSNS (cpu));
757 }
758
759 return SIM_RC_OK;
760 }
761
762 static void
763 profile_print_insn (sim_cpu *cpu, int verbose)
764 {
765 unsigned int i, n, total, max_val, max_name_len;
766 SIM_DESC sd = CPU_STATE (cpu);
767 PROFILE_DATA *data = CPU_PROFILE_DATA (cpu);
768 char comma_buf[20];
769
770 /* If MAX_INSNS not set, insn profiling isn't supported. */
771 if (CPU_MAX_INSNS (cpu) == 0)
772 return;
773
774 profile_printf (sd, cpu, "Instruction Statistics");
775 #ifdef SIM_HAVE_ADDR_RANGE
776 if (PROFILE_RANGE (data)->ranges)
777 profile_printf (sd, cpu, " (for selected address range(s))");
778 #endif
779 profile_printf (sd, cpu, "\n\n");
780
781 /* First pass over data computes various things. */
782 max_val = 0;
783 total = 0;
784 max_name_len = 0;
785 for (i = 0; i < CPU_MAX_INSNS (cpu); ++i)
786 {
787 const char *name = (*CPU_INSN_NAME (cpu)) (cpu, i);
788
789 if (name == NULL)
790 continue;
791 total += PROFILE_INSN_COUNT (data) [i];
792 if (PROFILE_INSN_COUNT (data) [i] > max_val)
793 max_val = PROFILE_INSN_COUNT (data) [i];
794 n = strlen (name);
795 if (n > max_name_len)
796 max_name_len = n;
797 }
798 /* set the total insn count, in case client is being lazy */
799 if (! PROFILE_TOTAL_INSN_COUNT (data))
800 PROFILE_TOTAL_INSN_COUNT (data) = total;
801
802 profile_printf (sd, cpu, " Total: %s insns\n", COMMAS (total));
803
804 if (verbose && max_val != 0)
805 {
806 /* Now we can print the histogram. */
807 profile_printf (sd, cpu, "\n");
808 for (i = 0; i < CPU_MAX_INSNS (cpu); ++i)
809 {
810 const char *name = (*CPU_INSN_NAME (cpu)) (cpu, i);
811
812 if (name == NULL)
813 continue;
814 if (PROFILE_INSN_COUNT (data) [i] != 0)
815 {
816 profile_printf (sd, cpu, " %*s: %*s: ",
817 max_name_len, name,
818 max_val < 10000 ? 5 : 10,
819 COMMAS (PROFILE_INSN_COUNT (data) [i]));
820 sim_profile_print_bar (sd, cpu, PROFILE_HISTOGRAM_WIDTH,
821 PROFILE_INSN_COUNT (data) [i],
822 max_val);
823 profile_printf (sd, cpu, "\n");
824 }
825 }
826 }
827
828 profile_printf (sd, cpu, "\n");
829 }
830
831 #endif
832
833 #if WITH_PROFILE_MEMORY_P
834
835 static void
836 profile_print_memory (sim_cpu *cpu, int verbose)
837 {
838 unsigned int i, n;
839 unsigned int total_read, total_write;
840 unsigned int max_val, max_name_len;
841 /* FIXME: Need to add smp support. */
842 SIM_DESC sd = CPU_STATE (cpu);
843 PROFILE_DATA *data = CPU_PROFILE_DATA (cpu);
844 char comma_buf[20];
845
846 profile_printf (sd, cpu, "Memory Access Statistics\n\n");
847
848 /* First pass over data computes various things. */
849 max_val = total_read = total_write = max_name_len = 0;
850 for (i = 0; i < MODE_TARGET_MAX; ++i)
851 {
852 total_read += PROFILE_READ_COUNT (data) [i];
853 total_write += PROFILE_WRITE_COUNT (data) [i];
854 if (PROFILE_READ_COUNT (data) [i] > max_val)
855 max_val = PROFILE_READ_COUNT (data) [i];
856 if (PROFILE_WRITE_COUNT (data) [i] > max_val)
857 max_val = PROFILE_WRITE_COUNT (data) [i];
858 n = strlen (MODE_NAME (i));
859 if (n > max_name_len)
860 max_name_len = n;
861 }
862
863 /* One could use PROFILE_LABEL_WIDTH here. I chose not to. */
864 profile_printf (sd, cpu, " Total read: %s accesses\n",
865 COMMAS (total_read));
866 profile_printf (sd, cpu, " Total write: %s accesses\n",
867 COMMAS (total_write));
868
869 if (verbose && max_val != 0)
870 {
871 /* FIXME: Need to separate instruction fetches from data fetches
872 as the former swamps the latter. */
873 /* Now we can print the histogram. */
874 profile_printf (sd, cpu, "\n");
875 for (i = 0; i < MODE_TARGET_MAX; ++i)
876 {
877 if (PROFILE_READ_COUNT (data) [i] != 0)
878 {
879 profile_printf (sd, cpu, " %*s read: %*s: ",
880 max_name_len, MODE_NAME (i),
881 max_val < 10000 ? 5 : 10,
882 COMMAS (PROFILE_READ_COUNT (data) [i]));
883 sim_profile_print_bar (sd, cpu, PROFILE_HISTOGRAM_WIDTH,
884 PROFILE_READ_COUNT (data) [i],
885 max_val);
886 profile_printf (sd, cpu, "\n");
887 }
888 if (PROFILE_WRITE_COUNT (data) [i] != 0)
889 {
890 profile_printf (sd, cpu, " %*s write: %*s: ",
891 max_name_len, MODE_NAME (i),
892 max_val < 10000 ? 5 : 10,
893 COMMAS (PROFILE_WRITE_COUNT (data) [i]));
894 sim_profile_print_bar (sd, cpu, PROFILE_HISTOGRAM_WIDTH,
895 PROFILE_WRITE_COUNT (data) [i],
896 max_val);
897 profile_printf (sd, cpu, "\n");
898 }
899 }
900 }
901
902 profile_printf (sd, cpu, "\n");
903 }
904
905 #endif
906
907 #if WITH_PROFILE_CORE_P
908
909 static void
910 profile_print_core (sim_cpu *cpu, int verbose)
911 {
912 unsigned int total;
913 unsigned int max_val;
914 /* FIXME: Need to add smp support. */
915 SIM_DESC sd = CPU_STATE (cpu);
916 PROFILE_DATA *data = CPU_PROFILE_DATA (cpu);
917 char comma_buf[20];
918
919 profile_printf (sd, cpu, "CORE Statistics\n\n");
920
921 /* First pass over data computes various things. */
922 {
923 unsigned map;
924 total = 0;
925 max_val = 0;
926 for (map = 0; map < nr_maps; map++)
927 {
928 total += PROFILE_CORE_COUNT (data) [map];
929 if (PROFILE_CORE_COUNT (data) [map] > max_val)
930 max_val = PROFILE_CORE_COUNT (data) [map];
931 }
932 }
933
934 /* One could use PROFILE_LABEL_WIDTH here. I chose not to. */
935 profile_printf (sd, cpu, " Total: %s accesses\n",
936 COMMAS (total));
937
938 if (verbose && max_val != 0)
939 {
940 unsigned map;
941 /* Now we can print the histogram. */
942 profile_printf (sd, cpu, "\n");
943 for (map = 0; map < nr_maps; map++)
944 {
945 if (PROFILE_CORE_COUNT (data) [map] != 0)
946 {
947 profile_printf (sd, cpu, "%10s:", map_to_str (map));
948 profile_printf (sd, cpu, "%*s: ",
949 max_val < 10000 ? 5 : 10,
950 COMMAS (PROFILE_CORE_COUNT (data) [map]));
951 sim_profile_print_bar (sd, cpu, PROFILE_HISTOGRAM_WIDTH,
952 PROFILE_CORE_COUNT (data) [map],
953 max_val);
954 profile_printf (sd, cpu, "\n");
955 }
956 }
957 }
958
959 profile_printf (sd, cpu, "\n");
960 }
961
962 #endif
963
964 #if WITH_PROFILE_MODEL_P
965
966 static void
967 profile_print_model (sim_cpu *cpu, int verbose)
968 {
969 SIM_DESC sd = CPU_STATE (cpu);
970 PROFILE_DATA *data = CPU_PROFILE_DATA (cpu);
971 unsigned long cti_stall_cycles = PROFILE_MODEL_CTI_STALL_CYCLES (data);
972 unsigned long load_stall_cycles = PROFILE_MODEL_LOAD_STALL_CYCLES (data);
973 unsigned long total_cycles = PROFILE_MODEL_TOTAL_CYCLES (data);
974 char comma_buf[20];
975
976 profile_printf (sd, cpu, "Model %s Timing Information",
977 MODEL_NAME (CPU_MODEL (cpu)));
978 #ifdef SIM_HAVE_ADDR_RANGE
979 if (PROFILE_RANGE (data)->ranges)
980 profile_printf (sd, cpu, " (for selected address range(s))");
981 #endif
982 profile_printf (sd, cpu, "\n\n");
983 profile_printf (sd, cpu, " %-*s %s\n",
984 PROFILE_LABEL_WIDTH, "Taken branches:",
985 COMMAS (PROFILE_MODEL_TAKEN_COUNT (data)));
986 profile_printf (sd, cpu, " %-*s %s\n",
987 PROFILE_LABEL_WIDTH, "Untaken branches:",
988 COMMAS (PROFILE_MODEL_UNTAKEN_COUNT (data)));
989 profile_printf (sd, cpu, " %-*s %s\n",
990 PROFILE_LABEL_WIDTH, "Cycles stalled due to branches:",
991 COMMAS (cti_stall_cycles));
992 profile_printf (sd, cpu, " %-*s %s\n",
993 PROFILE_LABEL_WIDTH, "Cycles stalled due to loads:",
994 COMMAS (load_stall_cycles));
995 profile_printf (sd, cpu, " %-*s %s\n",
996 PROFILE_LABEL_WIDTH, "Total cycles (*approximate*):",
997 COMMAS (total_cycles));
998 profile_printf (sd, cpu, "\n");
999 }
1000
1001 #endif
1002
1003 void
1004 sim_profile_print_bar (SIM_DESC sd, sim_cpu *cpu, unsigned int width,
1005 unsigned int val, unsigned int max_val)
1006 {
1007 unsigned int i, count;
1008
1009 count = ((double) val / (double) max_val) * (double) width;
1010
1011 for (i = 0; i < count; ++i)
1012 profile_printf (sd, cpu, "*");
1013 }
1014
1015 /* Print the simulator's execution speed for CPU. */
1016
1017 static void
1018 profile_print_speed (sim_cpu *cpu)
1019 {
1020 SIM_DESC sd = CPU_STATE (cpu);
1021 PROFILE_DATA *data = CPU_PROFILE_DATA (cpu);
1022 unsigned long milliseconds = sim_events_elapsed_time (sd);
1023 unsigned long total = PROFILE_TOTAL_INSN_COUNT (data);
1024 double clock;
1025 double secs;
1026 char comma_buf[20];
1027
1028 profile_printf (sd, cpu, "Simulator Execution Speed\n\n");
1029
1030 if (total != 0)
1031 profile_printf (sd, cpu, " Total instructions: %s\n", COMMAS (total));
1032
1033 if (milliseconds < 1000)
1034 profile_printf (sd, cpu, " Total execution time: < 1 second\n\n");
1035 else
1036 {
1037 /* The printing of the time rounded to 2 decimal places makes the speed
1038 calculation seem incorrect [even though it is correct]. So round
1039 MILLISECONDS first. This can marginally affect the result, but it's
1040 better that the user not perceive there's a math error. */
1041 secs = (double) milliseconds / 1000;
1042 secs = ((double) (unsigned long) (secs * 100 + .5)) / 100;
1043 profile_printf (sd, cpu, " Total execution time : %.2f seconds\n", secs);
1044 /* Don't confuse things with data that isn't useful.
1045 If we ran for less than 2 seconds, only use the data if we
1046 executed more than 100,000 insns. */
1047 if (secs >= 2 || total >= 100000)
1048 profile_printf (sd, cpu, " Simulator speed: %s insns/second\n",
1049 COMMAS ((unsigned long) ((double) total / secs)));
1050 }
1051
1052 /* Print simulated execution time if the cpu frequency has been specified. */
1053 clock = PROFILE_CPU_FREQ (data);
1054 if (clock != 0)
1055 {
1056 if (clock >= 1000000)
1057 profile_printf (sd, cpu, " Simulated cpu frequency: %.2f MHz\n",
1058 clock / 1000000);
1059 else
1060 profile_printf (sd, cpu, " Simulated cpu frequency: %.2f Hz\n", clock);
1061
1062 #if WITH_PROFILE_MODEL_P
1063 if (PROFILE_FLAGS (data) [PROFILE_MODEL_IDX])
1064 {
1065 /* The printing of the time rounded to 2 decimal places makes the
1066 speed calculation seem incorrect [even though it is correct].
1067 So round SECS first. This can marginally affect the result,
1068 but it's better that the user not perceive there's a math
1069 error. */
1070 secs = PROFILE_MODEL_TOTAL_CYCLES (data) / clock;
1071 secs = ((double) (unsigned long) (secs * 100 + .5)) / 100;
1072 profile_printf (sd, cpu, " Simulated execution time: %.2f seconds\n",
1073 secs);
1074 }
1075 #endif /* WITH_PROFILE_MODEL_P */
1076 }
1077 }
1078
1079 #ifdef SIM_HAVE_ADDR_RANGE
1080 /* Print selected address ranges. */
1081
1082 static void
1083 profile_print_addr_ranges (sim_cpu *cpu)
1084 {
1085 ADDR_SUBRANGE *asr = PROFILE_RANGE (CPU_PROFILE_DATA (cpu))->ranges;
1086 SIM_DESC sd = CPU_STATE (cpu);
1087
1088 if (asr)
1089 {
1090 profile_printf (sd, cpu, "Selected address ranges\n\n");
1091 while (asr != NULL)
1092 {
1093 profile_printf (sd, cpu, " 0x%lx - 0x%lx\n",
1094 (long) asr->start, (long) asr->end);
1095 asr = asr->next;
1096 }
1097 profile_printf (sd, cpu, "\n");
1098 }
1099 }
1100 #endif
1101
1102 /* Top level function to print all summary profile information.
1103 It is [currently] intended that all such data is printed by this function.
1104 I'd rather keep it all in one place for now. To that end, MISC_CPU and
1105 MISC are callbacks used to print any miscellaneous data.
1106
1107 One might want to add a user option that allows printing by type or by cpu
1108 (i.e. print all insn data for each cpu first, or print data cpu by cpu).
1109 This may be a case of featuritis so it's currently left out.
1110
1111 Note that results are indented two spaces to distinguish them from
1112 section titles. */
1113
1114 static void
1115 profile_info (SIM_DESC sd, int verbose)
1116 {
1117 int i,c;
1118 int print_title_p = 0;
1119
1120 /* Only print the title if some data has been collected. */
1121 /* ??? Why don't we just exit if no data collected? */
1122 /* FIXME: If the number of processors can be selected on the command line,
1123 then MAX_NR_PROCESSORS will need to take an argument of `sd'. */
1124
1125 for (c = 0; c < MAX_NR_PROCESSORS; ++c)
1126 {
1127 sim_cpu *cpu = STATE_CPU (sd, c);
1128 PROFILE_DATA *data = CPU_PROFILE_DATA (cpu);
1129
1130 for (i = 0; i < MAX_PROFILE_VALUES; ++i)
1131 if (PROFILE_FLAGS (data) [i])
1132 {
1133 profile_printf (sd, cpu, "Summary profiling results:\n\n");
1134 print_title_p = 1;
1135 }
1136 }
1137
1138 /* Loop, cpu by cpu, printing results. */
1139
1140 for (c = 0; c < MAX_NR_PROCESSORS; ++c)
1141 {
1142 sim_cpu *cpu = STATE_CPU (sd, c);
1143 PROFILE_DATA *data = CPU_PROFILE_DATA (cpu);
1144
1145 if (MAX_NR_PROCESSORS > 1
1146 && (0
1147 #if WITH_PROFILE_INSN_P
1148 || PROFILE_FLAGS (data) [PROFILE_INSN_IDX]
1149 #endif
1150 #if WITH_PROFILE_MEMORY_P
1151 || PROFILE_FLAGS (data) [PROFILE_MEMORY_IDX]
1152 #endif
1153 #if WITH_PROFILE_CORE_P
1154 || PROFILE_FLAGS (data) [PROFILE_CORE_IDX]
1155 #endif
1156 #if WITH_PROFILE_MODEL_P
1157 || PROFILE_FLAGS (data) [PROFILE_MODEL_IDX]
1158 #endif
1159 #if WITH_PROFILE_SCACHE_P && WITH_SCACHE
1160 || PROFILE_FLAGS (data) [PROFILE_SCACHE_IDX]
1161 #endif
1162 #if WITH_PROFILE_PC_P
1163 || PROFILE_FLAGS (data) [PROFILE_PC_IDX]
1164 #endif
1165 ))
1166 {
1167 profile_printf (sd, cpu, "CPU %d\n\n", c);
1168 }
1169
1170 #ifdef SIM_HAVE_ADDR_RANGE
1171 if (print_title_p
1172 && (PROFILE_INSN_P (cpu)
1173 || PROFILE_MODEL_P (cpu)))
1174 profile_print_addr_ranges (cpu);
1175 #endif
1176
1177 #if WITH_PROFILE_INSN_P
1178 if (PROFILE_FLAGS (data) [PROFILE_INSN_IDX])
1179 profile_print_insn (cpu, verbose);
1180 #endif
1181
1182 #if WITH_PROFILE_MEMORY_P
1183 if (PROFILE_FLAGS (data) [PROFILE_MEMORY_IDX])
1184 profile_print_memory (cpu, verbose);
1185 #endif
1186
1187 #if WITH_PROFILE_CORE_P
1188 if (PROFILE_FLAGS (data) [PROFILE_CORE_IDX])
1189 profile_print_core (cpu, verbose);
1190 #endif
1191
1192 #if WITH_PROFILE_MODEL_P
1193 if (PROFILE_FLAGS (data) [PROFILE_MODEL_IDX])
1194 profile_print_model (cpu, verbose);
1195 #endif
1196
1197 #if WITH_PROFILE_SCACHE_P && WITH_SCACHE
1198 if (PROFILE_FLAGS (data) [PROFILE_SCACHE_IDX])
1199 scache_print_profile (cpu, verbose);
1200 #endif
1201
1202 #if WITH_PROFILE_PC_P
1203 if (PROFILE_FLAGS (data) [PROFILE_PC_IDX])
1204 profile_print_pc (cpu, verbose);
1205 #endif
1206
1207 /* Print cpu-specific data before the execution speed. */
1208 if (PROFILE_INFO_CPU_CALLBACK (data) != NULL)
1209 PROFILE_INFO_CPU_CALLBACK (data) (cpu, verbose);
1210
1211 /* Always try to print execution time and speed. */
1212 if (verbose
1213 || PROFILE_FLAGS (data) [PROFILE_INSN_IDX])
1214 profile_print_speed (cpu);
1215 }
1216
1217 /* Finally print non-cpu specific miscellaneous data. */
1218 if (STATE_PROFILE_INFO_CALLBACK (sd))
1219 STATE_PROFILE_INFO_CALLBACK (sd) (sd, verbose);
1220
1221 }
1222 \f
1223 /* Install profiling support in the simulator. */
1224
1225 SIM_RC
1226 profile_install (SIM_DESC sd)
1227 {
1228 int i;
1229
1230 SIM_ASSERT (STATE_MAGIC (sd) == SIM_MAGIC_NUMBER);
1231 sim_add_option_table (sd, NULL, profile_options);
1232 for (i = 0; i < MAX_NR_PROCESSORS; ++i)
1233 memset (CPU_PROFILE_DATA (STATE_CPU (sd, i)), 0,
1234 sizeof (* CPU_PROFILE_DATA (STATE_CPU (sd, i))));
1235 #if WITH_PROFILE_INSN_P
1236 sim_module_add_init_fn (sd, profile_insn_init);
1237 #endif
1238 #if WITH_PROFILE_PC_P
1239 sim_module_add_uninstall_fn (sd, profile_pc_uninstall);
1240 sim_module_add_init_fn (sd, profile_pc_init);
1241 #endif
1242 sim_module_add_init_fn (sd, profile_init);
1243 sim_module_add_uninstall_fn (sd, profile_uninstall);
1244 sim_module_add_info_fn (sd, profile_info);
1245 return SIM_RC_OK;
1246 }
1247
1248 static SIM_RC
1249 profile_init (SIM_DESC sd)
1250 {
1251 #ifdef SIM_HAVE_ADDR_RANGE
1252 /* Check if a range has been specified without specifying what to
1253 collect. */
1254 {
1255 int i;
1256
1257 for (i = 0; i < MAX_NR_PROCESSORS; ++i)
1258 {
1259 sim_cpu *cpu = STATE_CPU (sd, i);
1260
1261 if (ADDR_RANGE_RANGES (PROFILE_RANGE (CPU_PROFILE_DATA (cpu)))
1262 && ! (PROFILE_INSN_P (cpu)
1263 || PROFILE_MODEL_P (cpu)))
1264 {
1265 sim_io_eprintf_cpu (cpu, "Profiling address range specified without --profile-insn or --profile-model.\n");
1266 sim_io_eprintf_cpu (cpu, "Address range ignored.\n");
1267 sim_addr_range_delete (PROFILE_RANGE (CPU_PROFILE_DATA (cpu)),
1268 0, ~ (address_word) 0);
1269 }
1270 }
1271 }
1272 #endif
1273
1274 return SIM_RC_OK;
1275 }
1276
1277 static void
1278 profile_uninstall (SIM_DESC sd)
1279 {
1280 int i,j;
1281
1282 for (i = 0; i < MAX_NR_PROCESSORS; ++i)
1283 {
1284 sim_cpu *cpu = STATE_CPU (sd, i);
1285 PROFILE_DATA *data = CPU_PROFILE_DATA (cpu);
1286
1287 if (PROFILE_FILE (data) != NULL)
1288 {
1289 /* If output from different cpus is going to the same file,
1290 avoid closing the file twice. */
1291 for (j = 0; j < i; ++j)
1292 if (PROFILE_FILE (CPU_PROFILE_DATA (STATE_CPU (sd, j)))
1293 == PROFILE_FILE (data))
1294 break;
1295 if (i == j)
1296 fclose (PROFILE_FILE (data));
1297 }
1298
1299 if (PROFILE_INSN_COUNT (data) != NULL)
1300 zfree (PROFILE_INSN_COUNT (data));
1301 }
1302 }
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