sim/ppc/mon.c

   1 /*  This file is part of the program psim.
   2
   3     Copyright (C) 1994-1997, Andrew Cagney <cagney@highland.com.au>
   4
   5     This program is free software; you can redistribute it and/or modify
   6     it under the terms of the GNU General Public License as published by
   7     the Free Software Foundation; either version 2 of the License, or
   8     (at your option) any later version.
   9
  10     This program is distributed in the hope that it will be useful,
  11     but WITHOUT ANY WARRANTY; without even the implied warranty of
  12     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13     GNU General Public License for more details.
  14
  15     You should have received a copy of the GNU General Public License
  16     along with this program; if not, write to the Free Software
  17     Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  18
  19     */
  20
  21
  22 #ifndef _MON_C_
  23 #define _MON_C_
  24
  25 #include "basics.h"
  26 #include "cpu.h"
  27 #include "mon.h"
  28 #include <stdio.h>
  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
  38 #ifdef HAVE_UNISTD_H
  39 #include <unistd.h>
  40 #endif
  41
  42 #ifdef HAVE_STDLIB_H
  43 #include <stdlib.h>
  44 #endif
  45
  46 #ifdef HAVE_SYS_TYPES_H
  47 #include <sys/types.h>
  48 #endif
  49
  50 #ifdef HAVE_TIME_H
  51 #include <time.h>
  52 #endif
  53
  54 #ifdef HAVE_SYS_TIMES_H
  55 #include <sys/times.h>
  56 #endif
  57
  58 #ifdef HAVE_SYS_TIME_H
  59 #include <sys/time.h>
  60 #endif
  61
  62 #ifdef HAVE_SYS_RESOURCE_H
  63 #include <sys/resource.h>
  64 int getrusage();
  65 #endif
  66
  67 #define MAX_BYTE_READWRITE 9
  68 #define MAX_SHIFT_READWRITE 3
  69
  70 struct _cpu_mon {
  71   count_type issue_count[nr_itable_entries];
  72   count_type read_count;
  73   count_type read_byte_count[MAX_BYTE_READWRITE];
  74   count_type write_count;
  75   count_type write_byte_count[MAX_BYTE_READWRITE];
  76   count_type unaligned_read_count;
  77   count_type unaligned_write_count;
  78   count_type event_count[nr_mon_events];
  79 };
  80
  81 struct _mon {
  82   int nr_cpus;
  83   cpu_mon cpu_monitor[MAX_NR_PROCESSORS];
  84 };
  85
  86
  87 INLINE_MON\
  88 (mon *)
  89 mon_create(void)
  90 {
  91   mon *monitor = ZALLOC(mon);
  92   return monitor;
  93 }
  94
  95
  96 INLINE_MON\
  97 (cpu_mon *)
  98 mon_cpu(mon *monitor,
  99         int cpu_nr)
 100 {
 101   if (cpu_nr < 0 || cpu_nr >= MAX_NR_PROCESSORS)
 102     error("mon_cpu() - invalid cpu number\n");
 103   return &monitor->cpu_monitor[cpu_nr];
 104 }
 105
 106
 107 INLINE_MON\
 108 (void)
 109 mon_init(mon *monitor,
 110          int nr_cpus)
 111 {
 112   memset(monitor, 0, sizeof(*monitor));
 113   monitor->nr_cpus = nr_cpus;
 114 }
 115
 116
 117 INLINE_MON\
 118 (void)
 119 mon_issue(itable_index index,
 120           cpu *processor,
 121           unsigned_word cia)
 122 {
 123   cpu_mon *monitor = cpu_monitor(processor);
 124   ASSERT(index <= nr_itable_entries);
 125   monitor->issue_count[index] += 1;
 126 }
 127
 128
 129 INLINE_MON\
 130 (void)
 131 mon_read(unsigned_word ea,
 132          unsigned_word ra,
 133          unsigned nr_bytes,
 134          cpu *processor,
 135          unsigned_word cia)
 136 {
 137   cpu_mon *monitor = cpu_monitor(processor);
 138   monitor->read_count += 1;
 139   monitor->read_byte_count[nr_bytes] += 1;
 140   if ((nr_bytes - 1) & ea)
 141     monitor->unaligned_read_count += 1;
 142 }
 143
 144
 145 INLINE_MON\
 146 (void)
 147 mon_write(unsigned_word ea,
 148           unsigned_word ra,
 149           unsigned nr_bytes,
 150           cpu *processor,
 151           unsigned_word cia)
 152 {
 153   cpu_mon *monitor = cpu_monitor(processor);
 154   monitor->write_count += 1;
 155   monitor->write_byte_count[nr_bytes] += 1;
 156   if ((nr_bytes - 1) & ea)
 157     monitor->unaligned_write_count += 1;
 158 }
 159
 160 INLINE_MON\
 161 (void)
 162 mon_event(mon_events event,
 163           cpu *processor,
 164           unsigned_word cia)
 165 {
 166   cpu_mon *monitor = cpu_monitor(processor);
 167   ASSERT(event < nr_mon_events);
 168   monitor->event_count[event] += 1;
 169 }
 170
 171 INLINE_MON\
 172 (unsigned)
 173 mon_get_number_of_insns(mon *monitor,
 174                         int cpu_nr)
 175 {
 176   itable_index index;
 177   unsigned total_insns = 0;
 178   ASSERT(cpu_nr >= 0 && cpu_nr < monitor->nr_cpus);
 179   for (index = 0; index < nr_itable_entries; index++)
 180     total_insns += monitor->cpu_monitor[cpu_nr].issue_count[index];
 181   return total_insns;
 182 }
 183
 184 STATIC_INLINE_MON\
 185 (int)
 186 mon_sort_instruction_names(const void *ptr_a, const void *ptr_b)
 187 {
 188   itable_index a = *(const itable_index *)ptr_a;
 189   itable_index b = *(const itable_index *)ptr_b;
 190
 191   return strcmp (itable[a].name, itable[b].name);
 192 }
 193
 194 STATIC_INLINE_MON\
 195 (char *)
 196 mon_add_commas(char *buf,
 197                int sizeof_buf,
 198                count_type value)
 199 {
 200   int comma = 3;
 201   char *endbuf = buf + sizeof_buf - 1;
 202
 203   *--endbuf = '\0';
 204   do {
 205     if (comma-- == 0)
 206       {
 207         *--endbuf = ',';
 208         comma = 2;
 209       }
 210
 211     *--endbuf = (value % 10) + '0';
 212   } while ((value /= 10) != 0);
 213
 214   ASSERT(endbuf >= buf);
 215   return endbuf;
 216 }
 217
 218
 219 INLINE_MON\
 220 (void)
 221 mon_print_info(psim *system,
 222                mon *monitor,
 223                int verbose)
 224 {
 225   char buffer[20];
 226   char buffer1[20];
 227   char buffer2[20];
 228   char buffer4[20];
 229   char buffer8[20];
 230   int cpu_nr;
 231   int len_cpu;
 232   int len_num = 0;
 233   int len_sub_num[MAX_BYTE_READWRITE];
 234   int len;
 235   int i;
 236   long total_insns = 0;
 237   long cpu_insns_second = 0;
 238   long total_sim_cycles = 0;
 239   long sim_cycles_second = 0;
 240   double cpu_time = 0.0;
 241
 242   for (i = 0; i < MAX_BYTE_READWRITE; i++)
 243     len_sub_num[i] = 0;
 244
 245   for (cpu_nr = 0; cpu_nr < monitor->nr_cpus; cpu_nr++) {
 246     count_type num_insns = mon_get_number_of_insns(monitor, cpu_nr);
 247
 248     total_insns += num_insns;
 249     len = strlen (mon_add_commas(buffer, sizeof(buffer), num_insns));
 250     if (len_num < len)
 251       len_num = len;
 252
 253     for (i = 0; i <= MAX_SHIFT_READWRITE; i++) {
 254       int size = 1<<i;
 255       len = strlen (mon_add_commas(buffer, sizeof(buffer),
 256                                    monitor->cpu_monitor[cpu_nr].read_byte_count[size]));
 257       if (len_sub_num[size] < len)
 258         len_sub_num[size] = len;
 259
 260       len = strlen (mon_add_commas(buffer, sizeof(buffer),
 261                                    monitor->cpu_monitor[cpu_nr].write_byte_count[size]));
 262       if (len_sub_num[size] < len)
 263         len_sub_num[size] = len;
 264     }
 265   }
 266
 267   sprintf (buffer, "%d", (int)monitor->nr_cpus + 1);
 268   len_cpu = strlen (buffer);
 269
 270 #ifdef HAVE_GETRUSAGE
 271   {
 272     struct rusage mytime;
 273     if (getrusage (RUSAGE_SELF, &mytime) == 0
 274         && (mytime.ru_utime.tv_sec > 0 || mytime.ru_utime.tv_usec > 0)) {
 275
 276       cpu_time = (double)mytime.ru_utime.tv_sec + (((double)mytime.ru_utime.tv_usec) / 1000000.0);
 277     }
 278   }
 279   if (WITH_EVENTS)
 280     total_sim_cycles = event_queue_time(psim_event_queue(system)) - 1;
 281   if (cpu_time > 0) {
 282     if (total_insns > 0)
 283       cpu_insns_second = (long)(((double)total_insns / cpu_time) + 0.5);
 284     if (total_sim_cycles) {
 285       sim_cycles_second = (long)(((double)total_sim_cycles / cpu_time) + 0.5);
 286     }
 287   }
 288 #endif
 289
 290   for (cpu_nr = 0; cpu_nr < monitor->nr_cpus; cpu_nr++) {
 291
 292     if (verbose > 1) {
 293       itable_index sort_insns[nr_itable_entries];
 294       int nr_sort_insns = 0;
 295       itable_index index;
 296       int index2;
 297
 298       if (cpu_nr)
 299         printf_filtered ("\n");
 300
 301       for (index = 0; index < nr_itable_entries; index++) {
 302         if (monitor->cpu_monitor[cpu_nr].issue_count[index]) {
 303           sort_insns[nr_sort_insns++] = index;
 304         }
 305       }
 306
 307       qsort((void *)sort_insns, nr_sort_insns, sizeof(sort_insns[0]), mon_sort_instruction_names);
 308
 309       for (index2 = 0; index2 < nr_sort_insns; index2++) {
 310         index = sort_insns[index2];
 311         printf_filtered("CPU #%*d executed %*s %s instruction%s.\n",
 312                         len_cpu, cpu_nr+1,
 313                         len_num, mon_add_commas(buffer,
 314                                                 sizeof(buffer),
 315                                                 monitor->cpu_monitor[cpu_nr].issue_count[index]),
 316                           itable[index].name,
 317                           (monitor->cpu_monitor[cpu_nr].issue_count[index] == 1) ? "" : "s");
 318       }
 319
 320       printf_filtered ("\n");
 321     }
 322
 323     if (CURRENT_MODEL_ISSUE > 0)
 324       {
 325         model_data *model_ptr = cpu_model(psim_cpu(system, cpu_nr));
 326         model_print *ptr = model_mon_info(model_ptr);
 327         model_print *orig_ptr = ptr;
 328
 329         while (ptr) {
 330           if (ptr->count)
 331             printf_filtered("CPU #%*d executed %*s %s%s.\n",
 332                             len_cpu, cpu_nr+1,
 333                             len_num, mon_add_commas(buffer,
 334                                                     sizeof(buffer),
 335                                                     ptr->count),
 336                             ptr->name,
 337                             ((ptr->count == 1)
 338                              ? ptr->suffix_singular
 339                              : ptr->suffix_plural));
 340
 341           ptr = ptr->next;
 342         }
 343
 344         model_mon_info_free(model_ptr, orig_ptr);
 345       }
 346
 347     if (monitor->cpu_monitor[cpu_nr].read_count)
 348       printf_filtered ("CPU #%*d executed %*s read%s  (%*s 1-byte, %*s 2-byte, %*s 4-byte, %*s 8-byte).\n",
 349                        len_cpu, cpu_nr+1,
 350                        len_num, mon_add_commas(buffer,
 351                                                sizeof(buffer),
 352                                                monitor->cpu_monitor[cpu_nr].read_count),
 353                        (monitor->cpu_monitor[cpu_nr].read_count == 1) ? "" : "s",
 354                        len_sub_num[1], mon_add_commas(buffer1,
 355                                                       sizeof(buffer1),
 356                                                       monitor->cpu_monitor[cpu_nr].read_byte_count[1]),
 357                        len_sub_num[2], mon_add_commas(buffer2,
 358                                                       sizeof(buffer2),
 359                                                       monitor->cpu_monitor[cpu_nr].read_byte_count[2]),
 360                        len_sub_num[4], mon_add_commas(buffer4,
 361                                                       sizeof(buffer4),
 362                                                       monitor->cpu_monitor[cpu_nr].read_byte_count[4]),
 363                        len_sub_num[8], mon_add_commas(buffer8,
 364                                                       sizeof(buffer8),
 365                                                       monitor->cpu_monitor[cpu_nr].read_byte_count[8]));
 366
 367     if (monitor->cpu_monitor[cpu_nr].write_count)
 368       printf_filtered ("CPU #%*d executed %*s write%s (%*s 1-byte, %*s 2-byte, %*s 4-byte, %*s 8-byte).\n",
 369                        len_cpu, cpu_nr+1,
 370                        len_num, mon_add_commas(buffer,
 371                                                sizeof(buffer),
 372                                                monitor->cpu_monitor[cpu_nr].write_count),
 373                        (monitor->cpu_monitor[cpu_nr].write_count == 1) ? "" : "s",
 374                        len_sub_num[1], mon_add_commas(buffer1,
 375                                                       sizeof(buffer1),
 376                                                       monitor->cpu_monitor[cpu_nr].write_byte_count[1]),
 377                        len_sub_num[2], mon_add_commas(buffer2,
 378                                                       sizeof(buffer2),
 379                                                       monitor->cpu_monitor[cpu_nr].write_byte_count[2]),
 380                        len_sub_num[4], mon_add_commas(buffer4,
 381                                                       sizeof(buffer4),
 382                                                       monitor->cpu_monitor[cpu_nr].write_byte_count[4]),
 383                        len_sub_num[8], mon_add_commas(buffer8,
 384                                                       sizeof(buffer8),
 385                                                       monitor->cpu_monitor[cpu_nr].write_byte_count[8]));
 386
 387     if (monitor->cpu_monitor[cpu_nr].unaligned_read_count)
 388       printf_filtered ("CPU #%*d executed %*s unaligned read%s.\n",
 389                        len_cpu, cpu_nr+1,
 390                        len_num, mon_add_commas(buffer,
 391                                                sizeof(buffer),
 392                                                monitor->cpu_monitor[cpu_nr].unaligned_read_count),
 393                        (monitor->cpu_monitor[cpu_nr].unaligned_read_count == 1) ? "" : "s");
 394
 395     if (monitor->cpu_monitor[cpu_nr].unaligned_write_count)
 396       printf_filtered ("CPU #%*d executed %*s unaligned write%s.\n",
 397                        len_cpu, cpu_nr+1,
 398                        len_num, mon_add_commas(buffer,
 399                                                sizeof(buffer),
 400                                                monitor->cpu_monitor[cpu_nr].unaligned_write_count),
 401                        (monitor->cpu_monitor[cpu_nr].unaligned_write_count == 1) ? "" : "s");
 402
 403     if (monitor->cpu_monitor[cpu_nr].event_count[mon_event_icache_miss])
 404       printf_filtered ("CPU #%*d executed %*s icache miss%s.\n",
 405                        len_cpu, cpu_nr+1,
 406                        len_num, mon_add_commas(buffer,
 407                                                sizeof(buffer),
 408                                                monitor->cpu_monitor[cpu_nr].event_count[mon_event_icache_miss]),
 409                        (monitor->cpu_monitor[cpu_nr].event_count[mon_event_icache_miss] == 1) ? "" : "es");
 410
 411     {
 412       long nr_insns = mon_get_number_of_insns(monitor, cpu_nr);
 413       if (nr_insns > 0)
 414         printf_filtered("CPU #%*d executed %*s instructions in total.\n",
 415                         len_cpu, cpu_nr+1,
 416                         len_num, mon_add_commas(buffer,
 417                                                 sizeof(buffer),
 418                                                 nr_insns));
 419     }
 420   }
 421
 422   if (total_insns > 0) {
 423     if (monitor->nr_cpus > 1)
 424       printf_filtered("\nAll CPUs executed %s instructions in total.\n",
 425                       mon_add_commas(buffer, sizeof(buffer), total_insns));
 426   }
 427   else if (total_sim_cycles > 0) {
 428     printf_filtered("\nSimulator performed %s simulation cycles.\n",
 429                     mon_add_commas(buffer, sizeof(buffer), total_sim_cycles));
 430   }
 431
 432   if (cpu_insns_second)
 433     printf_filtered ("%sSimulator speed was %s instructions/second.\n",
 434                      (monitor->nr_cpus > 1) ? "" : "\n",
 435                      mon_add_commas(buffer, sizeof(buffer), cpu_insns_second));
 436   else if (sim_cycles_second)
 437     printf_filtered ("Simulator speed was %s simulation cycles/second\n",
 438                      mon_add_commas(buffer, sizeof(buffer), sim_cycles_second));
 439   else if (cpu_time > 0.0)
 440     printf_filtered ("%sSimulator executed for %.2f seconds\n",
 441                      (monitor->nr_cpus > 1) ? "" : "\n", cpu_time);
 442
 443 }
 444
 445 #endif /* _MON_C_ */