| 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 }, |
| 64 | { {"profile-insn", optional_argument, NULL, OPTION_PROFILE_INSN}, |
| 65 | '\0', "on|off", "Perform instruction profiling", |
| 66 | profile_option_handler }, |
| 67 | { {"profile-memory", optional_argument, NULL, OPTION_PROFILE_MEMORY}, |
| 68 | '\0', "on|off", "Perform memory profiling", |
| 69 | profile_option_handler }, |
| 70 | { {"profile-core", optional_argument, NULL, OPTION_PROFILE_CORE}, |
| 71 | '\0', "on|off", "Perform CORE profiling", |
| 72 | profile_option_handler }, |
| 73 | { {"profile-model", optional_argument, NULL, OPTION_PROFILE_MODEL}, |
| 74 | '\0', "on|off", "Perform model profiling", |
| 75 | profile_option_handler }, |
| 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 }, |
| 80 | |
| 81 | { {"profile-file", required_argument, NULL, OPTION_PROFILE_FILE}, |
| 82 | '\0', "FILE NAME", "Specify profile output file", |
| 83 | profile_option_handler }, |
| 84 | |
| 85 | { {"profile-pc", optional_argument, NULL, OPTION_PROFILE_PC}, |
| 86 | '\0', "on|off", "Perform PC profiling", |
| 87 | profile_option_handler }, |
| 88 | { {"profile-pc-frequency", required_argument, NULL, 'F'}, |
| 89 | 'F', "PC PROFILE FREQUENCY", "Specified PC profiling frequency", |
| 90 | profile_option_handler }, |
| 91 | { {"profile-pc-size", required_argument, NULL, 'S'}, |
| 92 | 'S', "PC PROFILE SIZE", "Specify PC profiling size", |
| 93 | profile_option_handler }, |
| 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 }, |
| 97 | { {"profile-pc-range", required_argument, NULL, OPTION_PROFILE_PC_RANGE}, |
| 98 | '\0', "BASE,BOUND", "Specify PC profiling address range", |
| 99 | profile_option_handler }, |
| 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 }, |
| 105 | #if 0 /*wip*/ |
| 106 | { {"profile-function", required_argument, NULL, OPTION_PROFILE_FUNCTION}, |
| 107 | '\0', "FUNCTION", "Specify function to profile", |
| 108 | profile_option_handler }, |
| 109 | #endif |
| 110 | #endif |
| 111 | |
| 112 | { {NULL, no_argument, NULL, 0}, '\0', 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 | /* PC profiling support */ |
| 456 | |
| 457 | #if WITH_PROFILE_PC_P |
| 458 | |
| 459 | static void |
| 460 | profile_pc_cleanup (SIM_DESC sd) |
| 461 | { |
| 462 | int n; |
| 463 | for (n = 0; n < MAX_NR_PROCESSORS; n++) |
| 464 | { |
| 465 | sim_cpu *cpu = STATE_CPU (sd, n); |
| 466 | PROFILE_DATA *data = CPU_PROFILE_DATA (cpu); |
| 467 | if (PROFILE_PC_COUNT (data) != NULL) |
| 468 | zfree (PROFILE_PC_COUNT (data)); |
| 469 | PROFILE_PC_COUNT (data) = NULL; |
| 470 | if (PROFILE_PC_EVENT (data) != NULL) |
| 471 | sim_events_deschedule (sd, PROFILE_PC_EVENT (data)); |
| 472 | PROFILE_PC_EVENT (data) = NULL; |
| 473 | } |
| 474 | } |
| 475 | |
| 476 | |
| 477 | static void |
| 478 | profile_pc_uninstall (SIM_DESC sd) |
| 479 | { |
| 480 | profile_pc_cleanup (sd); |
| 481 | } |
| 482 | |
| 483 | static void |
| 484 | profile_pc_event (SIM_DESC sd, |
| 485 | void *data) |
| 486 | { |
| 487 | sim_cpu *cpu = (sim_cpu*) data; |
| 488 | PROFILE_DATA *profile = CPU_PROFILE_DATA (cpu); |
| 489 | address_word pc; |
| 490 | unsigned i; |
| 491 | switch (STATE_WATCHPOINTS (sd)->sizeof_pc) |
| 492 | { |
| 493 | case 2: pc = *(unsigned_2*)(STATE_WATCHPOINTS (sd)->pc) ; break; |
| 494 | case 4: pc = *(unsigned_4*)(STATE_WATCHPOINTS (sd)->pc) ; break; |
| 495 | case 8: pc = *(unsigned_8*)(STATE_WATCHPOINTS (sd)->pc) ; break; |
| 496 | default: pc = 0; |
| 497 | } |
| 498 | i = (pc - PROFILE_PC_START (profile)) >> PROFILE_PC_SHIFT (profile); |
| 499 | if (i < PROFILE_PC_NR_BUCKETS (profile)) |
| 500 | PROFILE_PC_COUNT (profile) [i] += 1; /* Overflow? */ |
| 501 | else |
| 502 | PROFILE_PC_COUNT (profile) [PROFILE_PC_NR_BUCKETS (profile)] += 1; |
| 503 | PROFILE_PC_EVENT (profile) = |
| 504 | sim_events_schedule (sd, PROFILE_PC_FREQ (profile), profile_pc_event, cpu); |
| 505 | } |
| 506 | |
| 507 | static SIM_RC |
| 508 | profile_pc_init (SIM_DESC sd) |
| 509 | { |
| 510 | int n; |
| 511 | profile_pc_cleanup (sd); |
| 512 | for (n = 0; n < MAX_NR_PROCESSORS; n++) |
| 513 | { |
| 514 | sim_cpu *cpu = STATE_CPU (sd, n); |
| 515 | PROFILE_DATA *data = CPU_PROFILE_DATA (cpu); |
| 516 | if (CPU_PROFILE_FLAGS (STATE_CPU (sd, n))[PROFILE_PC_IDX] |
| 517 | && STATE_WATCHPOINTS (sd)->pc != NULL) |
| 518 | { |
| 519 | int bucket_size; |
| 520 | /* fill in the frequency if not specified */ |
| 521 | if (PROFILE_PC_FREQ (data) == 0) |
| 522 | PROFILE_PC_FREQ (data) = 257; |
| 523 | /* fill in the start/end if not specified */ |
| 524 | if (PROFILE_PC_END (data) == 0) |
| 525 | { |
| 526 | PROFILE_PC_START (data) = STATE_TEXT_START (sd); |
| 527 | PROFILE_PC_END (data) = STATE_TEXT_END (sd); |
| 528 | } |
| 529 | /* Compute the number of buckets if not specified. */ |
| 530 | if (PROFILE_PC_NR_BUCKETS (data) == 0) |
| 531 | { |
| 532 | if (PROFILE_PC_BUCKET_SIZE (data) == 0) |
| 533 | PROFILE_PC_NR_BUCKETS (data) = 16; |
| 534 | else |
| 535 | { |
| 536 | if (PROFILE_PC_END (data) == 0) |
| 537 | { |
| 538 | /* nr_buckets = (full-address-range / 2) / (bucket_size / 2) */ |
| 539 | PROFILE_PC_NR_BUCKETS (data) = |
| 540 | ((1 << (STATE_WATCHPOINTS (sd)->sizeof_pc) * (8 - 1)) |
| 541 | / (PROFILE_PC_BUCKET_SIZE (data) / 2)); |
| 542 | } |
| 543 | else |
| 544 | { |
| 545 | PROFILE_PC_NR_BUCKETS (data) = |
| 546 | ((PROFILE_PC_END (data) |
| 547 | - PROFILE_PC_START (data) |
| 548 | + PROFILE_PC_BUCKET_SIZE (data) - 1) |
| 549 | / PROFILE_PC_BUCKET_SIZE (data)); |
| 550 | } |
| 551 | } |
| 552 | } |
| 553 | /* Compute the bucket size if not specified. Ensure that it |
| 554 | is rounded up to the next power of two */ |
| 555 | if (PROFILE_PC_BUCKET_SIZE (data) == 0) |
| 556 | { |
| 557 | if (PROFILE_PC_END (data) == 0) |
| 558 | /* bucket_size = (full-address-range / 2) / (nr_buckets / 2) */ |
| 559 | bucket_size = ((1 << ((STATE_WATCHPOINTS (sd)->sizeof_pc * 8) - 1)) |
| 560 | / (PROFILE_PC_NR_BUCKETS (data) / 2)); |
| 561 | else |
| 562 | bucket_size = ((PROFILE_PC_END (data) |
| 563 | - PROFILE_PC_START (data) |
| 564 | + PROFILE_PC_NR_BUCKETS (data) - 1) |
| 565 | / PROFILE_PC_NR_BUCKETS (data)); |
| 566 | PROFILE_PC_SHIFT (data) = 0; |
| 567 | while (bucket_size > PROFILE_PC_BUCKET_SIZE (data)) |
| 568 | { |
| 569 | PROFILE_PC_SHIFT (data) += 1; |
| 570 | } |
| 571 | } |
| 572 | /* Align the end address with bucket size */ |
| 573 | if (PROFILE_PC_END (data) != 0) |
| 574 | PROFILE_PC_END (data) = (PROFILE_PC_START (data) |
| 575 | + (PROFILE_PC_BUCKET_SIZE (data) |
| 576 | * PROFILE_PC_NR_BUCKETS (data))); |
| 577 | /* create the relevant buffers */ |
| 578 | PROFILE_PC_COUNT (data) = |
| 579 | NZALLOC (unsigned, PROFILE_PC_NR_BUCKETS (data) + 1); |
| 580 | PROFILE_PC_EVENT (data) = |
| 581 | sim_events_schedule (sd, |
| 582 | PROFILE_PC_FREQ (data), |
| 583 | profile_pc_event, |
| 584 | cpu); |
| 585 | } |
| 586 | } |
| 587 | return SIM_RC_OK; |
| 588 | } |
| 589 | |
| 590 | static void |
| 591 | profile_print_pc (sim_cpu *cpu, int verbose) |
| 592 | { |
| 593 | SIM_DESC sd = CPU_STATE (cpu); |
| 594 | PROFILE_DATA *profile = CPU_PROFILE_DATA (cpu); |
| 595 | char comma_buf[20]; |
| 596 | unsigned max_val; |
| 597 | unsigned total; |
| 598 | unsigned i; |
| 599 | |
| 600 | if (PROFILE_PC_COUNT (profile) == 0) |
| 601 | return; |
| 602 | |
| 603 | sim_io_printf (sd, "Program Counter Statistics:\n\n"); |
| 604 | |
| 605 | /* First pass over data computes various things. */ |
| 606 | max_val = 0; |
| 607 | total = 0; |
| 608 | for (i = 0; i <= PROFILE_PC_NR_BUCKETS (profile); ++i) |
| 609 | { |
| 610 | total += PROFILE_PC_COUNT (profile) [i]; |
| 611 | if (PROFILE_PC_COUNT (profile) [i] > max_val) |
| 612 | max_val = PROFILE_PC_COUNT (profile) [i]; |
| 613 | } |
| 614 | |
| 615 | sim_io_printf (sd, " Total samples: %s\n", |
| 616 | COMMAS (total)); |
| 617 | sim_io_printf (sd, " Granularity: %s bytes per bucket\n", |
| 618 | COMMAS (PROFILE_PC_BUCKET_SIZE (profile))); |
| 619 | sim_io_printf (sd, " Size: %s buckets\n", |
| 620 | COMMAS (PROFILE_PC_NR_BUCKETS (profile))); |
| 621 | sim_io_printf (sd, " Frequency: %s cycles per sample\n", |
| 622 | COMMAS (PROFILE_PC_FREQ (profile))); |
| 623 | |
| 624 | if (PROFILE_PC_END (profile) != 0) |
| 625 | sim_io_printf (sd, " Range: 0x%lx 0x%lx\n", |
| 626 | (long) PROFILE_PC_START (profile), |
| 627 | (long) PROFILE_PC_END (profile)); |
| 628 | |
| 629 | if (verbose && max_val != 0) |
| 630 | { |
| 631 | /* Now we can print the histogram. */ |
| 632 | sim_io_printf (sd, "\n"); |
| 633 | for (i = 0; i <= PROFILE_PC_NR_BUCKETS (profile); ++i) |
| 634 | { |
| 635 | if (PROFILE_PC_COUNT (profile) [i] != 0) |
| 636 | { |
| 637 | sim_io_printf (sd, " "); |
| 638 | if (i == PROFILE_PC_NR_BUCKETS (profile)) |
| 639 | sim_io_printf (sd, "%10s:", "overflow"); |
| 640 | else |
| 641 | sim_io_printf (sd, "0x%08lx:", |
| 642 | (long) (PROFILE_PC_START (profile) |
| 643 | + (i * PROFILE_PC_BUCKET_SIZE (profile)))); |
| 644 | sim_io_printf (sd, " %*s", |
| 645 | max_val < 10000 ? 5 : 10, |
| 646 | COMMAS (PROFILE_PC_COUNT (profile) [i])); |
| 647 | sim_io_printf (sd, " %4.1f", |
| 648 | (PROFILE_PC_COUNT (profile) [i] * 100.0) / total); |
| 649 | sim_io_printf (sd, ": "); |
| 650 | sim_profile_print_bar (sd, PROFILE_HISTOGRAM_WIDTH, |
| 651 | PROFILE_PC_COUNT (profile) [i], |
| 652 | max_val); |
| 653 | sim_io_printf (sd, "\n"); |
| 654 | } |
| 655 | } |
| 656 | } |
| 657 | |
| 658 | /* dump the histogram to the file "gmon.out" using BSD's gprof file |
| 659 | format */ |
| 660 | /* Since a profile data file is in the native format of the host on |
| 661 | which the profile is being, endian issues are not considered in |
| 662 | the code below. */ |
| 663 | /* FIXME: Is this the best place for this code? */ |
| 664 | { |
| 665 | FILE *pf = fopen ("gmon.out", "wb"); |
| 666 | |
| 667 | if (pf == NULL) |
| 668 | sim_io_eprintf (sd, "Failed to open \"gmon.out\" profile file\n"); |
| 669 | else |
| 670 | { |
| 671 | int ok; |
| 672 | /* FIXME: what if the target has a 64 bit PC? */ |
| 673 | unsigned32 header[3]; |
| 674 | unsigned loop; |
| 675 | if (PROFILE_PC_END (profile) != 0) |
| 676 | { |
| 677 | header[0] = PROFILE_PC_START (profile); |
| 678 | header[1] = PROFILE_PC_END (profile); |
| 679 | } |
| 680 | else |
| 681 | { |
| 682 | header[0] = 0; |
| 683 | header[1] = 0; |
| 684 | } |
| 685 | /* size of sample buffer (+ header) */ |
| 686 | header[2] = PROFILE_PC_NR_BUCKETS (profile) * 2 + sizeof (header); |
| 687 | |
| 688 | /* Header must be written out in target byte order. */ |
| 689 | H2T (header[0]); |
| 690 | H2T (header[1]); |
| 691 | H2T (header[2]); |
| 692 | |
| 693 | ok = fwrite (&header, sizeof (header), 1, pf); |
| 694 | for (loop = 0; |
| 695 | ok && (loop < PROFILE_PC_NR_BUCKETS (profile)); |
| 696 | loop++) |
| 697 | { |
| 698 | signed16 sample; |
| 699 | if (PROFILE_PC_COUNT (profile) [loop] >= 0xffff) |
| 700 | sample = 0xffff; |
| 701 | else |
| 702 | sample = PROFILE_PC_COUNT (profile) [loop]; |
| 703 | H2T (sample); |
| 704 | ok = fwrite (&sample, sizeof (sample), 1, pf); |
| 705 | } |
| 706 | if (ok == 0) |
| 707 | sim_io_eprintf (sd, "Failed to write to \"gmon.out\" profile file\n"); |
| 708 | fclose(pf); |
| 709 | } |
| 710 | } |
| 711 | |
| 712 | sim_io_printf (sd, "\n"); |
| 713 | } |
| 714 | |
| 715 | #endif |
| 716 | \f |
| 717 | /* Summary printing support. */ |
| 718 | |
| 719 | #if WITH_PROFILE_INSN_P |
| 720 | |
| 721 | static SIM_RC |
| 722 | profile_insn_init (SIM_DESC sd) |
| 723 | { |
| 724 | int c; |
| 725 | |
| 726 | for (c = 0; c < MAX_NR_PROCESSORS; ++c) |
| 727 | { |
| 728 | sim_cpu *cpu = STATE_CPU (sd, c); |
| 729 | |
| 730 | if (CPU_MAX_INSNS (cpu) > 0) |
| 731 | PROFILE_INSN_COUNT (CPU_PROFILE_DATA (cpu)) = NZALLOC (unsigned int, CPU_MAX_INSNS (cpu)); |
| 732 | } |
| 733 | |
| 734 | return SIM_RC_OK; |
| 735 | } |
| 736 | |
| 737 | static void |
| 738 | profile_print_insn (sim_cpu *cpu, int verbose) |
| 739 | { |
| 740 | unsigned int i, n, total, max_val, max_name_len; |
| 741 | SIM_DESC sd = CPU_STATE (cpu); |
| 742 | PROFILE_DATA *data = CPU_PROFILE_DATA (cpu); |
| 743 | char comma_buf[20]; |
| 744 | |
| 745 | /* If MAX_INSNS not set, insn profiling isn't supported. */ |
| 746 | if (CPU_MAX_INSNS (cpu) == 0) |
| 747 | return; |
| 748 | |
| 749 | sim_io_printf (sd, "Instruction Statistics"); |
| 750 | #ifdef SIM_HAVE_ADDR_RANGE |
| 751 | if (PROFILE_RANGE (data)->ranges) |
| 752 | sim_io_printf (sd, " (for selected address range(s))"); |
| 753 | #endif |
| 754 | sim_io_printf (sd, "\n\n"); |
| 755 | |
| 756 | /* First pass over data computes various things. */ |
| 757 | max_val = 0; |
| 758 | total = 0; |
| 759 | max_name_len = 0; |
| 760 | for (i = 0; i < CPU_MAX_INSNS (cpu); ++i) |
| 761 | { |
| 762 | const char *name = (*CPU_INSN_NAME (cpu)) (cpu, i); |
| 763 | |
| 764 | if (name == NULL) |
| 765 | continue; |
| 766 | total += PROFILE_INSN_COUNT (data) [i]; |
| 767 | if (PROFILE_INSN_COUNT (data) [i] > max_val) |
| 768 | max_val = PROFILE_INSN_COUNT (data) [i]; |
| 769 | n = strlen (name); |
| 770 | if (n > max_name_len) |
| 771 | max_name_len = n; |
| 772 | } |
| 773 | /* set the total insn count, in case client is being lazy */ |
| 774 | if (! PROFILE_TOTAL_INSN_COUNT (data)) |
| 775 | PROFILE_TOTAL_INSN_COUNT (data) = total; |
| 776 | |
| 777 | sim_io_printf (sd, " Total: %s insns\n", COMMAS (total)); |
| 778 | |
| 779 | if (verbose && max_val != 0) |
| 780 | { |
| 781 | /* Now we can print the histogram. */ |
| 782 | sim_io_printf (sd, "\n"); |
| 783 | for (i = 0; i < CPU_MAX_INSNS (cpu); ++i) |
| 784 | { |
| 785 | const char *name = (*CPU_INSN_NAME (cpu)) (cpu, i); |
| 786 | |
| 787 | if (name == NULL) |
| 788 | continue; |
| 789 | if (PROFILE_INSN_COUNT (data) [i] != 0) |
| 790 | { |
| 791 | sim_io_printf (sd, " %*s: %*s: ", |
| 792 | max_name_len, name, |
| 793 | max_val < 10000 ? 5 : 10, |
| 794 | COMMAS (PROFILE_INSN_COUNT (data) [i])); |
| 795 | sim_profile_print_bar (sd, PROFILE_HISTOGRAM_WIDTH, |
| 796 | PROFILE_INSN_COUNT (data) [i], |
| 797 | max_val); |
| 798 | sim_io_printf (sd, "\n"); |
| 799 | } |
| 800 | } |
| 801 | } |
| 802 | |
| 803 | sim_io_printf (sd, "\n"); |
| 804 | } |
| 805 | |
| 806 | #endif |
| 807 | |
| 808 | #if WITH_PROFILE_MEMORY_P |
| 809 | |
| 810 | static void |
| 811 | profile_print_memory (sim_cpu *cpu, int verbose) |
| 812 | { |
| 813 | unsigned int i, n; |
| 814 | unsigned int total_read, total_write; |
| 815 | unsigned int max_val, max_name_len; |
| 816 | /* FIXME: Need to add smp support. */ |
| 817 | SIM_DESC sd = CPU_STATE (cpu); |
| 818 | PROFILE_DATA *data = CPU_PROFILE_DATA (cpu); |
| 819 | char comma_buf[20]; |
| 820 | |
| 821 | sim_io_printf (sd, "Memory Access Statistics\n\n"); |
| 822 | |
| 823 | /* First pass over data computes various things. */ |
| 824 | max_val = total_read = total_write = max_name_len = 0; |
| 825 | for (i = 0; i < MODE_TARGET_MAX; ++i) |
| 826 | { |
| 827 | total_read += PROFILE_READ_COUNT (data) [i]; |
| 828 | total_write += PROFILE_WRITE_COUNT (data) [i]; |
| 829 | if (PROFILE_READ_COUNT (data) [i] > max_val) |
| 830 | max_val = PROFILE_READ_COUNT (data) [i]; |
| 831 | if (PROFILE_WRITE_COUNT (data) [i] > max_val) |
| 832 | max_val = PROFILE_WRITE_COUNT (data) [i]; |
| 833 | n = strlen (MODE_NAME (i)); |
| 834 | if (n > max_name_len) |
| 835 | max_name_len = n; |
| 836 | } |
| 837 | |
| 838 | /* One could use PROFILE_LABEL_WIDTH here. I chose not to. */ |
| 839 | sim_io_printf (sd, " Total read: %s accesses\n", |
| 840 | COMMAS (total_read)); |
| 841 | sim_io_printf (sd, " Total write: %s accesses\n", |
| 842 | COMMAS (total_write)); |
| 843 | |
| 844 | if (verbose && max_val != 0) |
| 845 | { |
| 846 | /* FIXME: Need to separate instruction fetches from data fetches |
| 847 | as the former swamps the latter. */ |
| 848 | /* Now we can print the histogram. */ |
| 849 | sim_io_printf (sd, "\n"); |
| 850 | for (i = 0; i < MODE_TARGET_MAX; ++i) |
| 851 | { |
| 852 | if (PROFILE_READ_COUNT (data) [i] != 0) |
| 853 | { |
| 854 | sim_io_printf (sd, " %*s read: %*s: ", |
| 855 | max_name_len, MODE_NAME (i), |
| 856 | max_val < 10000 ? 5 : 10, |
| 857 | COMMAS (PROFILE_READ_COUNT (data) [i])); |
| 858 | sim_profile_print_bar (sd, PROFILE_HISTOGRAM_WIDTH, |
| 859 | PROFILE_READ_COUNT (data) [i], |
| 860 | max_val); |
| 861 | sim_io_printf (sd, "\n"); |
| 862 | } |
| 863 | if (PROFILE_WRITE_COUNT (data) [i] != 0) |
| 864 | { |
| 865 | sim_io_printf (sd, " %*s write: %*s: ", |
| 866 | max_name_len, MODE_NAME (i), |
| 867 | max_val < 10000 ? 5 : 10, |
| 868 | COMMAS (PROFILE_WRITE_COUNT (data) [i])); |
| 869 | sim_profile_print_bar (sd, PROFILE_HISTOGRAM_WIDTH, |
| 870 | PROFILE_WRITE_COUNT (data) [i], |
| 871 | max_val); |
| 872 | sim_io_printf (sd, "\n"); |
| 873 | } |
| 874 | } |
| 875 | } |
| 876 | |
| 877 | sim_io_printf (sd, "\n"); |
| 878 | } |
| 879 | |
| 880 | #endif |
| 881 | |
| 882 | #if WITH_PROFILE_CORE_P |
| 883 | |
| 884 | static void |
| 885 | profile_print_core (sim_cpu *cpu, int verbose) |
| 886 | { |
| 887 | unsigned int total; |
| 888 | unsigned int max_val; |
| 889 | /* FIXME: Need to add smp support. */ |
| 890 | SIM_DESC sd = CPU_STATE (cpu); |
| 891 | PROFILE_DATA *data = CPU_PROFILE_DATA (cpu); |
| 892 | char comma_buf[20]; |
| 893 | |
| 894 | sim_io_printf (sd, "CORE Statistics\n\n"); |
| 895 | |
| 896 | /* First pass over data computes various things. */ |
| 897 | { |
| 898 | unsigned map; |
| 899 | total = 0; |
| 900 | max_val = 0; |
| 901 | for (map = 0; map < nr_maps; map++) |
| 902 | { |
| 903 | total += PROFILE_CORE_COUNT (data) [map]; |
| 904 | if (PROFILE_CORE_COUNT (data) [map] > max_val) |
| 905 | max_val = PROFILE_CORE_COUNT (data) [map]; |
| 906 | } |
| 907 | } |
| 908 | |
| 909 | /* One could use PROFILE_LABEL_WIDTH here. I chose not to. */ |
| 910 | sim_io_printf (sd, " Total: %s accesses\n", |
| 911 | COMMAS (total)); |
| 912 | |
| 913 | if (verbose && max_val != 0) |
| 914 | { |
| 915 | unsigned map; |
| 916 | /* Now we can print the histogram. */ |
| 917 | sim_io_printf (sd, "\n"); |
| 918 | for (map = 0; map < nr_maps; map++) |
| 919 | { |
| 920 | if (PROFILE_CORE_COUNT (data) [map] != 0) |
| 921 | { |
| 922 | sim_io_printf (sd, "%10s:", map_to_str (map)); |
| 923 | sim_io_printf (sd, "%*s: ", |
| 924 | max_val < 10000 ? 5 : 10, |
| 925 | COMMAS (PROFILE_CORE_COUNT (data) [map])); |
| 926 | sim_profile_print_bar (sd, PROFILE_HISTOGRAM_WIDTH, |
| 927 | PROFILE_CORE_COUNT (data) [map], |
| 928 | max_val); |
| 929 | sim_io_printf (sd, "\n"); |
| 930 | } |
| 931 | } |
| 932 | } |
| 933 | |
| 934 | sim_io_printf (sd, "\n"); |
| 935 | } |
| 936 | |
| 937 | #endif |
| 938 | |
| 939 | #if WITH_PROFILE_MODEL_P |
| 940 | |
| 941 | static void |
| 942 | profile_print_model (sim_cpu *cpu, int verbose) |
| 943 | { |
| 944 | SIM_DESC sd = CPU_STATE (cpu); |
| 945 | PROFILE_DATA *data = CPU_PROFILE_DATA (cpu); |
| 946 | unsigned long cti_stall_cycles = PROFILE_MODEL_CTI_STALL_CYCLES (data); |
| 947 | unsigned long load_stall_cycles = PROFILE_MODEL_LOAD_STALL_CYCLES (data); |
| 948 | unsigned long total_cycles = PROFILE_MODEL_TOTAL_CYCLES (data); |
| 949 | char comma_buf[20]; |
| 950 | |
| 951 | sim_io_printf (sd, "Model %s Timing Information", |
| 952 | MODEL_NAME (CPU_MODEL (cpu))); |
| 953 | #ifdef SIM_HAVE_ADDR_RANGE |
| 954 | if (PROFILE_RANGE (data)->ranges) |
| 955 | sim_io_printf (sd, " (for selected address range(s))"); |
| 956 | #endif |
| 957 | sim_io_printf (sd, "\n\n"); |
| 958 | sim_io_printf (sd, " %-*s %s\n", |
| 959 | PROFILE_LABEL_WIDTH, "Taken branches:", |
| 960 | COMMAS (PROFILE_MODEL_TAKEN_COUNT (data))); |
| 961 | sim_io_printf (sd, " %-*s %s\n", |
| 962 | PROFILE_LABEL_WIDTH, "Untaken branches:", |
| 963 | COMMAS (PROFILE_MODEL_UNTAKEN_COUNT (data))); |
| 964 | sim_io_printf (sd, " %-*s %s\n", |
| 965 | PROFILE_LABEL_WIDTH, "Cycles stalled due to branches:", |
| 966 | COMMAS (cti_stall_cycles)); |
| 967 | sim_io_printf (sd, " %-*s %s\n", |
| 968 | PROFILE_LABEL_WIDTH, "Cycles stalled due to loads:", |
| 969 | COMMAS (load_stall_cycles)); |
| 970 | sim_io_printf (sd, " %-*s %s\n", |
| 971 | PROFILE_LABEL_WIDTH, "Total cycles (*approximate*):", |
| 972 | COMMAS (total_cycles)); |
| 973 | sim_io_printf (sd, "\n"); |
| 974 | } |
| 975 | |
| 976 | #endif |
| 977 | |
| 978 | void |
| 979 | sim_profile_print_bar (SIM_DESC sd, unsigned int width, |
| 980 | unsigned int val, unsigned int max_val) |
| 981 | { |
| 982 | unsigned int i, count; |
| 983 | |
| 984 | count = ((double) val / (double) max_val) * (double) width; |
| 985 | |
| 986 | for (i = 0; i < count; ++i) |
| 987 | sim_io_printf (sd, "*"); |
| 988 | } |
| 989 | |
| 990 | /* Print the simulator's execution speed for CPU. */ |
| 991 | |
| 992 | static void |
| 993 | profile_print_speed (sim_cpu *cpu) |
| 994 | { |
| 995 | SIM_DESC sd = CPU_STATE (cpu); |
| 996 | PROFILE_DATA *data = CPU_PROFILE_DATA (cpu); |
| 997 | unsigned long milliseconds = sim_events_elapsed_time (sd); |
| 998 | unsigned long total = PROFILE_TOTAL_INSN_COUNT (data); |
| 999 | double clock; |
| 1000 | double secs; |
| 1001 | char comma_buf[20]; |
| 1002 | |
| 1003 | sim_io_printf (sd, "Simulator Execution Speed\n\n"); |
| 1004 | |
| 1005 | if (total != 0) |
| 1006 | sim_io_printf (sd, " Total instructions: %s\n", COMMAS (total)); |
| 1007 | |
| 1008 | if (milliseconds < 1000) |
| 1009 | sim_io_printf (sd, " Total execution time: < 1 second\n\n"); |
| 1010 | else |
| 1011 | { |
| 1012 | /* The printing of the time rounded to 2 decimal places makes the speed |
| 1013 | calculation seem incorrect [even though it is correct]. So round |
| 1014 | MILLISECONDS first. This can marginally affect the result, but it's |
| 1015 | better that the user not perceive there's a math error. */ |
| 1016 | secs = (double) milliseconds / 1000; |
| 1017 | secs = ((double) (unsigned long) (secs * 100 + .5)) / 100; |
| 1018 | sim_io_printf (sd, " Total execution time : %.2f seconds\n", secs); |
| 1019 | /* Don't confuse things with data that isn't useful. |
| 1020 | If we ran for less than 2 seconds, only use the data if we |
| 1021 | executed more than 100,000 insns. */ |
| 1022 | if (secs >= 2 || total >= 100000) |
| 1023 | sim_io_printf (sd, " Simulator speed: %s insns/second\n", |
| 1024 | COMMAS ((unsigned long) ((double) total / secs))); |
| 1025 | } |
| 1026 | |
| 1027 | /* Print simulated execution time if the cpu frequency has been specified. */ |
| 1028 | clock = PROFILE_CPU_FREQ (data); |
| 1029 | if (clock != 0) |
| 1030 | { |
| 1031 | if (clock >= 1000000) |
| 1032 | sim_io_printf (sd, " Simulated cpu frequency: %.2f MHz\n", |
| 1033 | clock / 1000000); |
| 1034 | else |
| 1035 | sim_io_printf (sd, " Simulated cpu frequency: %.2f Hz\n", clock); |
| 1036 | |
| 1037 | #if WITH_PROFILE_MODEL_P |
| 1038 | if (PROFILE_FLAGS (data) [PROFILE_MODEL_IDX]) |
| 1039 | { |
| 1040 | /* The printing of the time rounded to 2 decimal places makes the |
| 1041 | speed calculation seem incorrect [even though it is correct]. |
| 1042 | So round SECS first. This can marginally affect the result, |
| 1043 | but it's better that the user not perceive there's a math |
| 1044 | error. */ |
| 1045 | secs = PROFILE_MODEL_TOTAL_CYCLES (data) / clock; |
| 1046 | secs = ((double) (unsigned long) (secs * 100 + .5)) / 100; |
| 1047 | sim_io_printf (sd, " Simulated execution time: %.2f seconds\n", |
| 1048 | secs); |
| 1049 | } |
| 1050 | #endif /* WITH_PROFILE_MODEL_P */ |
| 1051 | } |
| 1052 | } |
| 1053 | |
| 1054 | /* Print selected address ranges. */ |
| 1055 | |
| 1056 | static void |
| 1057 | profile_print_addr_ranges (sim_cpu *cpu) |
| 1058 | { |
| 1059 | ADDR_SUBRANGE *asr = PROFILE_RANGE (CPU_PROFILE_DATA (cpu))->ranges; |
| 1060 | SIM_DESC sd = CPU_STATE (cpu); |
| 1061 | |
| 1062 | if (asr) |
| 1063 | { |
| 1064 | sim_io_printf (sd, "Selected address ranges\n\n"); |
| 1065 | while (asr != NULL) |
| 1066 | { |
| 1067 | sim_io_printf (sd, " 0x%lx - 0x%lx\n", |
| 1068 | (long) asr->start, (long) asr->end); |
| 1069 | asr = asr->next; |
| 1070 | } |
| 1071 | sim_io_printf (sd, "\n"); |
| 1072 | } |
| 1073 | } |
| 1074 | |
| 1075 | /* Top level function to print all summary profile information. |
| 1076 | It is [currently] intended that all such data is printed by this function. |
| 1077 | I'd rather keep it all in one place for now. To that end, MISC_CPU and |
| 1078 | MISC are callbacks used to print any miscellaneous data. |
| 1079 | |
| 1080 | One might want to add a user option that allows printing by type or by cpu |
| 1081 | (i.e. print all insn data for each cpu first, or print data cpu by cpu). |
| 1082 | This may be a case of featuritis so it's currently left out. |
| 1083 | |
| 1084 | Note that results are indented two spaces to distinguish them from |
| 1085 | section titles. */ |
| 1086 | |
| 1087 | static void |
| 1088 | profile_info (SIM_DESC sd, int verbose) |
| 1089 | { |
| 1090 | int i,c; |
| 1091 | int print_title_p = 0; |
| 1092 | |
| 1093 | /* Only print the title if some data has been collected. */ |
| 1094 | /* ??? Why don't we just exit if no data collected? */ |
| 1095 | /* FIXME: If the number of processors can be selected on the command line, |
| 1096 | then MAX_NR_PROCESSORS will need to take an argument of `sd'. */ |
| 1097 | |
| 1098 | for (c = 0; c < MAX_NR_PROCESSORS; ++c) |
| 1099 | { |
| 1100 | sim_cpu *cpu = STATE_CPU (sd, c); |
| 1101 | PROFILE_DATA *data = CPU_PROFILE_DATA (cpu); |
| 1102 | |
| 1103 | for (i = 0; i < MAX_PROFILE_VALUES; ++i) |
| 1104 | if (PROFILE_FLAGS (data) [i]) |
| 1105 | print_title_p = 1; |
| 1106 | /* One could break out early if print_title_p is set. */ |
| 1107 | } |
| 1108 | if (print_title_p) |
| 1109 | sim_io_printf (sd, "Summary profiling results:\n\n"); |
| 1110 | |
| 1111 | /* Loop, cpu by cpu, printing results. */ |
| 1112 | |
| 1113 | for (c = 0; c < MAX_NR_PROCESSORS; ++c) |
| 1114 | { |
| 1115 | sim_cpu *cpu = STATE_CPU (sd, c); |
| 1116 | PROFILE_DATA *data = CPU_PROFILE_DATA (cpu); |
| 1117 | |
| 1118 | if (MAX_NR_PROCESSORS > 1 |
| 1119 | && (0 |
| 1120 | #if WITH_PROFILE_INSN_P |
| 1121 | || PROFILE_FLAGS (data) [PROFILE_INSN_IDX] |
| 1122 | #endif |
| 1123 | #if WITH_PROFILE_MEMORY_P |
| 1124 | || PROFILE_FLAGS (data) [PROFILE_MEMORY_IDX] |
| 1125 | #endif |
| 1126 | #if WITH_PROFILE_CORE_P |
| 1127 | || PROFILE_FLAGS (data) [PROFILE_CORE_IDX] |
| 1128 | #endif |
| 1129 | #if WITH_PROFILE_MODEL_P |
| 1130 | || PROFILE_FLAGS (data) [PROFILE_MODEL_IDX] |
| 1131 | #endif |
| 1132 | #if WITH_PROFILE_SCACHE_P && WITH_SCACHE |
| 1133 | || PROFILE_FLAGS (data) [PROFILE_SCACHE_IDX] |
| 1134 | #endif |
| 1135 | #if WITH_PROFILE_PC_P |
| 1136 | || PROFILE_FLAGS (data) [PROFILE_PC_IDX] |
| 1137 | #endif |
| 1138 | )) |
| 1139 | { |
| 1140 | sim_io_printf (sd, "CPU %d\n\n", c); |
| 1141 | } |
| 1142 | |
| 1143 | #ifdef SIM_HAVE_ADDR_RANGE |
| 1144 | if (print_title_p |
| 1145 | && (PROFILE_INSN_P (cpu) |
| 1146 | || PROFILE_MODEL_P (cpu))) |
| 1147 | profile_print_addr_ranges (cpu); |
| 1148 | #endif |
| 1149 | |
| 1150 | #if WITH_PROFILE_INSN_P |
| 1151 | if (PROFILE_FLAGS (data) [PROFILE_INSN_IDX]) |
| 1152 | profile_print_insn (cpu, verbose); |
| 1153 | #endif |
| 1154 | |
| 1155 | #if WITH_PROFILE_MEMORY_P |
| 1156 | if (PROFILE_FLAGS (data) [PROFILE_MEMORY_IDX]) |
| 1157 | profile_print_memory (cpu, verbose); |
| 1158 | #endif |
| 1159 | |
| 1160 | #if WITH_PROFILE_CORE_P |
| 1161 | if (PROFILE_FLAGS (data) [PROFILE_CORE_IDX]) |
| 1162 | profile_print_core (cpu, verbose); |
| 1163 | #endif |
| 1164 | |
| 1165 | #if WITH_PROFILE_MODEL_P |
| 1166 | if (PROFILE_FLAGS (data) [PROFILE_MODEL_IDX]) |
| 1167 | profile_print_model (cpu, verbose); |
| 1168 | #endif |
| 1169 | |
| 1170 | #if WITH_PROFILE_SCACHE_P && WITH_SCACHE |
| 1171 | if (PROFILE_FLAGS (data) [PROFILE_SCACHE_IDX]) |
| 1172 | scache_print_profile (cpu, verbose); |
| 1173 | #endif |
| 1174 | |
| 1175 | #if WITH_PROFILE_PC_P |
| 1176 | if (PROFILE_FLAGS (data) [PROFILE_PC_IDX]) |
| 1177 | profile_print_pc (cpu, verbose); |
| 1178 | #endif |
| 1179 | |
| 1180 | /* Print cpu-specific data before the execution speed. */ |
| 1181 | if (PROFILE_INFO_CPU_CALLBACK (data) != NULL) |
| 1182 | PROFILE_INFO_CPU_CALLBACK (data) (cpu, verbose); |
| 1183 | |
| 1184 | /* Always try to print execution time and speed. */ |
| 1185 | if (verbose |
| 1186 | || PROFILE_FLAGS (data) [PROFILE_INSN_IDX]) |
| 1187 | profile_print_speed (cpu); |
| 1188 | } |
| 1189 | |
| 1190 | /* Finally print non-cpu specific miscellaneous data. */ |
| 1191 | if (STATE_PROFILE_INFO_CALLBACK (sd)) |
| 1192 | STATE_PROFILE_INFO_CALLBACK (sd) (sd, verbose); |
| 1193 | |
| 1194 | } |
| 1195 | \f |
| 1196 | /* Install profiling support in the simulator. */ |
| 1197 | |
| 1198 | SIM_RC |
| 1199 | profile_install (SIM_DESC sd) |
| 1200 | { |
| 1201 | int i; |
| 1202 | |
| 1203 | SIM_ASSERT (STATE_MAGIC (sd) == SIM_MAGIC_NUMBER); |
| 1204 | sim_add_option_table (sd, NULL, profile_options); |
| 1205 | for (i = 0; i < MAX_NR_PROCESSORS; ++i) |
| 1206 | memset (CPU_PROFILE_DATA (STATE_CPU (sd, i)), 0, |
| 1207 | sizeof (* CPU_PROFILE_DATA (STATE_CPU (sd, i)))); |
| 1208 | #if WITH_PROFILE_INSN_P |
| 1209 | sim_module_add_init_fn (sd, profile_insn_init); |
| 1210 | #endif |
| 1211 | #if WITH_PROFILE_PC_P |
| 1212 | sim_module_add_uninstall_fn (sd, profile_pc_uninstall); |
| 1213 | sim_module_add_init_fn (sd, profile_pc_init); |
| 1214 | #endif |
| 1215 | sim_module_add_init_fn (sd, profile_init); |
| 1216 | sim_module_add_uninstall_fn (sd, profile_uninstall); |
| 1217 | sim_module_add_info_fn (sd, profile_info); |
| 1218 | return SIM_RC_OK; |
| 1219 | } |
| 1220 | |
| 1221 | static SIM_RC |
| 1222 | profile_init (SIM_DESC sd) |
| 1223 | { |
| 1224 | #ifdef SIM_HAVE_ADDR_RANGE |
| 1225 | /* Check if a range has been specified without specifying what to |
| 1226 | collect. */ |
| 1227 | { |
| 1228 | int i; |
| 1229 | |
| 1230 | for (i = 0; i < MAX_NR_PROCESSORS; ++i) |
| 1231 | { |
| 1232 | sim_cpu *cpu = STATE_CPU (sd, i); |
| 1233 | |
| 1234 | if (ADDR_RANGE_RANGES (PROFILE_RANGE (CPU_PROFILE_DATA (cpu))) |
| 1235 | && ! (PROFILE_INSN_P (cpu) |
| 1236 | || PROFILE_MODEL_P (cpu))) |
| 1237 | { |
| 1238 | sim_io_eprintf_cpu (cpu, "Profiling address range specified without --profile-insn or --profile-model.\n"); |
| 1239 | sim_io_eprintf_cpu (cpu, "Address range ignored.\n"); |
| 1240 | sim_addr_range_delete (PROFILE_RANGE (CPU_PROFILE_DATA (cpu)), |
| 1241 | 0, ~ (address_word) 0); |
| 1242 | } |
| 1243 | } |
| 1244 | } |
| 1245 | #endif |
| 1246 | |
| 1247 | return SIM_RC_OK; |
| 1248 | } |
| 1249 | |
| 1250 | static void |
| 1251 | profile_uninstall (SIM_DESC sd) |
| 1252 | { |
| 1253 | int i,j; |
| 1254 | |
| 1255 | for (i = 0; i < MAX_NR_PROCESSORS; ++i) |
| 1256 | { |
| 1257 | sim_cpu *cpu = STATE_CPU (sd, i); |
| 1258 | PROFILE_DATA *data = CPU_PROFILE_DATA (cpu); |
| 1259 | |
| 1260 | if (PROFILE_FILE (data) != NULL) |
| 1261 | { |
| 1262 | /* If output from different cpus is going to the same file, |
| 1263 | avoid closing the file twice. */ |
| 1264 | for (j = 0; j < i; ++j) |
| 1265 | if (PROFILE_FILE (CPU_PROFILE_DATA (STATE_CPU (sd, j))) |
| 1266 | == PROFILE_FILE (data)) |
| 1267 | break; |
| 1268 | if (i == j) |
| 1269 | fclose (PROFILE_FILE (data)); |
| 1270 | } |
| 1271 | |
| 1272 | if (PROFILE_INSN_COUNT (data) != NULL) |
| 1273 | zfree (PROFILE_INSN_COUNT (data)); |
| 1274 | } |
| 1275 | } |