sim/common/sim-profile.c

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