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 3 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, see <http://www.gnu.org/licenses/>.
  17
  18     */
  19
  20
  21 #ifndef _MON_C_
  22 #define _MON_C_
  23
  24 #include "basics.h"
  25 #include "cpu.h"
  26 #include "mon.h"
  27 #include <stdio.h>
  28
  29 #ifdef HAVE_STRING_H
  30 #include <string.h>
  31 #else
  32 #ifdef HAVE_STRINGS_H
  33 #include <strings.h>
  34 #endif
  35 #endif
  36
  37 #ifdef HAVE_UNISTD_H
  38 #include <unistd.h>
  39 #endif
  40
  41 #ifdef HAVE_STDLIB_H
  42 #include <stdlib.h>
  43 #endif
  44
  45 #ifdef HAVE_SYS_TYPES_H
  46 #include <sys/types.h>
  47 #endif
  48
  49 #ifdef HAVE_TIME_H
  50 #include <time.h>
  51 #endif
  52
  53 #ifdef HAVE_SYS_TIMES_H
  54 #include <sys/times.h>
  55 #endif
  56
  57 #ifdef HAVE_SYS_TIME_H
  58 #include <sys/time.h>
  59 #endif
  60
  61 #ifdef HAVE_SYS_RESOURCE_H
  62 #include <sys/resource.h>
  63 int getrusage();
  64 #endif
  65
  66 #define MAX_BYTE_READWRITE 9
  67 #define MAX_SHIFT_READWRITE 3
  68
  69 struct _cpu_mon {
  70   count_type issue_count[nr_itable_entries];
  71   count_type read_count;
  72   count_type read_byte_count[MAX_BYTE_READWRITE];
  73   count_type write_count;
  74   count_type write_byte_count[MAX_BYTE_READWRITE];
  75   count_type unaligned_read_count;
  76   count_type unaligned_write_count;
  77   count_type event_count[nr_mon_events];
  78 };
  79
  80 struct _mon {
  81   int nr_cpus;
  82   cpu_mon cpu_monitor[MAX_NR_PROCESSORS];
  83 };
  84
  85
  86 INLINE_MON\
  87 (mon *)
  88 mon_create(void)
  89 {
  90   mon *monitor = ZALLOC(mon);
  91   return monitor;
  92 }
  93
  94
  95 INLINE_MON\
  96 (cpu_mon *)
  97 mon_cpu(mon *monitor,
  98         int cpu_nr)
  99 {
 100   if (cpu_nr < 0 || cpu_nr >= MAX_NR_PROCESSORS)
 101     error("mon_cpu() - invalid cpu number\n");
 102   return &monitor->cpu_monitor[cpu_nr];
 103 }
 104
 105
 106 INLINE_MON\
 107 (void)
 108 mon_init(mon *monitor,
 109          int nr_cpus)
 110 {
 111   memset(monitor, 0, sizeof(*monitor));
 112   monitor->nr_cpus = nr_cpus;
 113 }
 114
 115
 116 INLINE_MON\
 117 (void)
 118 mon_issue(itable_index index,
 119           cpu *processor,
 120           unsigned_word cia)
 121 {
 122   cpu_mon *monitor = cpu_monitor(processor);
 123   ASSERT(index <= nr_itable_entries);
 124   monitor->issue_count[index] += 1;
 125 }
 126
 127
 128 INLINE_MON\
 129 (void)
 130 mon_read(unsigned_word ea,
 131          unsigned_word ra,
 132          unsigned nr_bytes,
 133          cpu *processor,
 134          unsigned_word cia)
 135 {
 136   cpu_mon *monitor = cpu_monitor(processor);
 137   monitor->read_count += 1;
 138   monitor->read_byte_count[nr_bytes] += 1;
 139   if ((nr_bytes - 1) & ea)
 140     monitor->unaligned_read_count += 1;
 141 }
 142
 143
 144 INLINE_MON\
 145 (void)
 146 mon_write(unsigned_word ea,
 147           unsigned_word ra,
 148           unsigned nr_bytes,
 149           cpu *processor,
 150           unsigned_word cia)
 151 {
 152   cpu_mon *monitor = cpu_monitor(processor);
 153   monitor->write_count += 1;
 154   monitor->write_byte_count[nr_bytes] += 1;
 155   if ((nr_bytes - 1) & ea)
 156     monitor->unaligned_write_count += 1;
 157 }
 158
 159 INLINE_MON\
 160 (void)
 161 mon_event(mon_events event,
 162           cpu *processor,
 163           unsigned_word cia)
 164 {
 165   cpu_mon *monitor = cpu_monitor(processor);
 166   ASSERT(event < nr_mon_events);
 167   monitor->event_count[event] += 1;
 168 }
 169
 170 INLINE_MON\
 171 (unsigned)
 172 mon_get_number_of_insns(mon *monitor,
 173                         int cpu_nr)
 174 {
 175   itable_index index;
 176   unsigned total_insns = 0;
 177   ASSERT(cpu_nr >= 0 && cpu_nr < monitor->nr_cpus);
 178   for (index = 0; index < nr_itable_entries; index++)
 179     total_insns += monitor->cpu_monitor[cpu_nr].issue_count[index];
 180   return total_insns;
 181 }
 182
 183 STATIC_INLINE_MON\
 184 (int)
 185 mon_sort_instruction_names(const void *ptr_a, const void *ptr_b)
 186 {
 187   itable_index a = *(const itable_index *)ptr_a;
 188   itable_index b = *(const itable_index *)ptr_b;
 189
 190   return strcmp (itable[a].name, itable[b].name);
 191 }
 192
 193 STATIC_INLINE_MON\
 194 (char *)
 195 mon_add_commas(char *buf,
 196                int sizeof_buf,
 197                count_type value)
 198 {
 199   int comma = 3;
 200   char *endbuf = buf + sizeof_buf - 1;
 201
 202   *--endbuf = '\0';
 203   do {
 204     if (comma-- == 0)
 205       {
 206         *--endbuf = ',';
 207         comma = 2;
 208       }
 209
 210     *--endbuf = (value % 10) + '0';
 211   } while ((value /= 10) != 0);
 212
 213   ASSERT(endbuf >= buf);
 214   return endbuf;
 215 }
 216
 217
 218 INLINE_MON\
 219 (void)
 220 mon_print_info(psim *system,
 221                mon *monitor,
 222                int verbose)
 223 {
 224   char buffer[20];
 225   char buffer1[20];
 226   char buffer2[20];
 227   char buffer4[20];
 228   char buffer8[20];
 229   int cpu_nr;
 230   int len_cpu;
 231   int len_num = 0;
 232   int len_sub_num[MAX_BYTE_READWRITE];
 233   int len;
 234   int i;
 235   long total_insns = 0;
 236   long cpu_insns_second = 0;
 237   long total_sim_cycles = 0;
 238   long sim_cycles_second = 0;
 239   double cpu_time = 0.0;
 240
 241   for (i = 0; i < MAX_BYTE_READWRITE; i++)
 242     len_sub_num[i] = 0;
 243
 244   for (cpu_nr = 0; cpu_nr < monitor->nr_cpus; cpu_nr++) {
 245     count_type num_insns = mon_get_number_of_insns(monitor, cpu_nr);
 246
 247     total_insns += num_insns;
 248     len = strlen (mon_add_commas(buffer, sizeof(buffer), num_insns));
 249     if (len_num < len)
 250       len_num = len;
 251
 252     for (i = 0; i <= MAX_SHIFT_READWRITE; i++) {
 253       int size = 1<<i;
 254       len = strlen (mon_add_commas(buffer, sizeof(buffer),
 255                                    monitor->cpu_monitor[cpu_nr].read_byte_count[size]));
 256       if (len_sub_num[size] < len)
 257         len_sub_num[size] = len;
 258
 259       len = strlen (mon_add_commas(buffer, sizeof(buffer),
 260                                    monitor->cpu_monitor[cpu_nr].write_byte_count[size]));
 261       if (len_sub_num[size] < len)
 262         len_sub_num[size] = len;
 263     }
 264   }
 265
 266   sprintf (buffer, "%d", (int)monitor->nr_cpus + 1);
 267   len_cpu = strlen (buffer);
 268
 269 #ifdef HAVE_GETRUSAGE
 270   {
 271     struct rusage mytime;
 272     if (getrusage (RUSAGE_SELF, &mytime) == 0
 273         && (mytime.ru_utime.tv_sec > 0 || mytime.ru_utime.tv_usec > 0)) {
 274
 275       cpu_time = (double)mytime.ru_utime.tv_sec + (((double)mytime.ru_utime.tv_usec) / 1000000.0);
 276     }
 277   }
 278   if (WITH_EVENTS)
 279     total_sim_cycles = event_queue_time(psim_event_queue(system)) - 1;
 280   if (cpu_time > 0) {
 281     if (total_insns > 0)
 282       cpu_insns_second = (long)(((double)total_insns / cpu_time) + 0.5);
 283     if (total_sim_cycles) {
 284       sim_cycles_second = (long)(((double)total_sim_cycles / cpu_time) + 0.5);
 285     }
 286   }
 287 #endif
 288
 289   for (cpu_nr = 0; cpu_nr < monitor->nr_cpus; cpu_nr++) {
 290
 291     if (verbose > 1) {
 292       itable_index sort_insns[nr_itable_entries];
 293       int nr_sort_insns = 0;
 294       itable_index index;
 295       int index2;
 296
 297       if (cpu_nr)
 298         printf_filtered ("\n");
 299
 300       for (index = 0; index < nr_itable_entries; index++) {
 301         if (monitor->cpu_monitor[cpu_nr].issue_count[index]) {
 302           sort_insns[nr_sort_insns++] = index;
 303         }
 304       }
 305
 306       qsort((void *)sort_insns, nr_sort_insns, sizeof(sort_insns[0]), mon_sort_instruction_names);
 307
 308       for (index2 = 0; index2 < nr_sort_insns; index2++) {
 309         index = sort_insns[index2];
 310         printf_filtered("CPU #%*d executed %*s %s instruction%s.\n",
 311                         len_cpu, cpu_nr+1,
 312                         len_num, mon_add_commas(buffer,
 313                                                 sizeof(buffer),
 314                                                 monitor->cpu_monitor[cpu_nr].issue_count[index]),
 315                           itable[index].name,
 316                           (monitor->cpu_monitor[cpu_nr].issue_count[index] == 1) ? "" : "s");
 317       }
 318
 319       printf_filtered ("\n");
 320     }
 321
 322     if (CURRENT_MODEL_ISSUE > 0)
 323       {
 324         model_data *model_ptr = cpu_model(psim_cpu(system, cpu_nr));
 325         model_print *ptr = model_mon_info(model_ptr);
 326         model_print *orig_ptr = ptr;
 327
 328         while (ptr) {
 329           if (ptr->count)
 330             printf_filtered("CPU #%*d executed %*s %s%s.\n",
 331                             len_cpu, cpu_nr+1,
 332                             len_num, mon_add_commas(buffer,
 333                                                     sizeof(buffer),
 334                                                     ptr->count),
 335                             ptr->name,
 336                             ((ptr->count == 1)
 337                              ? ptr->suffix_singular
 338                              : ptr->suffix_plural));
 339
 340           ptr = ptr->next;
 341         }
 342
 343         model_mon_info_free(model_ptr, orig_ptr);
 344       }
 345
 346     if (monitor->cpu_monitor[cpu_nr].read_count)
 347       printf_filtered ("CPU #%*d executed %*s read%s  (%*s 1-byte, %*s 2-byte, %*s 4-byte, %*s 8-byte).\n",
 348                        len_cpu, cpu_nr+1,
 349                        len_num, mon_add_commas(buffer,
 350                                                sizeof(buffer),
 351                                                monitor->cpu_monitor[cpu_nr].read_count),
 352                        (monitor->cpu_monitor[cpu_nr].read_count == 1) ? "" : "s",
 353                        len_sub_num[1], mon_add_commas(buffer1,
 354                                                       sizeof(buffer1),
 355                                                       monitor->cpu_monitor[cpu_nr].read_byte_count[1]),
 356                        len_sub_num[2], mon_add_commas(buffer2,
 357                                                       sizeof(buffer2),
 358                                                       monitor->cpu_monitor[cpu_nr].read_byte_count[2]),
 359                        len_sub_num[4], mon_add_commas(buffer4,
 360                                                       sizeof(buffer4),
 361                                                       monitor->cpu_monitor[cpu_nr].read_byte_count[4]),
 362                        len_sub_num[8], mon_add_commas(buffer8,
 363                                                       sizeof(buffer8),
 364                                                       monitor->cpu_monitor[cpu_nr].read_byte_count[8]));
 365
 366     if (monitor->cpu_monitor[cpu_nr].write_count)
 367       printf_filtered ("CPU #%*d executed %*s write%s (%*s 1-byte, %*s 2-byte, %*s 4-byte, %*s 8-byte).\n",
 368                        len_cpu, cpu_nr+1,
 369                        len_num, mon_add_commas(buffer,
 370                                                sizeof(buffer),
 371                                                monitor->cpu_monitor[cpu_nr].write_count),
 372                        (monitor->cpu_monitor[cpu_nr].write_count == 1) ? "" : "s",
 373                        len_sub_num[1], mon_add_commas(buffer1,
 374                                                       sizeof(buffer1),
 375                                                       monitor->cpu_monitor[cpu_nr].write_byte_count[1]),
 376                        len_sub_num[2], mon_add_commas(buffer2,
 377                                                       sizeof(buffer2),
 378                                                       monitor->cpu_monitor[cpu_nr].write_byte_count[2]),
 379                        len_sub_num[4], mon_add_commas(buffer4,
 380                                                       sizeof(buffer4),
 381                                                       monitor->cpu_monitor[cpu_nr].write_byte_count[4]),
 382                        len_sub_num[8], mon_add_commas(buffer8,
 383                                                       sizeof(buffer8),
 384                                                       monitor->cpu_monitor[cpu_nr].write_byte_count[8]));
 385
 386     if (monitor->cpu_monitor[cpu_nr].unaligned_read_count)
 387       printf_filtered ("CPU #%*d executed %*s unaligned read%s.\n",
 388                        len_cpu, cpu_nr+1,
 389                        len_num, mon_add_commas(buffer,
 390                                                sizeof(buffer),
 391                                                monitor->cpu_monitor[cpu_nr].unaligned_read_count),
 392                        (monitor->cpu_monitor[cpu_nr].unaligned_read_count == 1) ? "" : "s");
 393
 394     if (monitor->cpu_monitor[cpu_nr].unaligned_write_count)
 395       printf_filtered ("CPU #%*d executed %*s unaligned write%s.\n",
 396                        len_cpu, cpu_nr+1,
 397                        len_num, mon_add_commas(buffer,
 398                                                sizeof(buffer),
 399                                                monitor->cpu_monitor[cpu_nr].unaligned_write_count),
 400                        (monitor->cpu_monitor[cpu_nr].unaligned_write_count == 1) ? "" : "s");
 401
 402     if (monitor->cpu_monitor[cpu_nr].event_count[mon_event_icache_miss])
 403       printf_filtered ("CPU #%*d executed %*s icache miss%s.\n",
 404                        len_cpu, cpu_nr+1,
 405                        len_num, mon_add_commas(buffer,
 406                                                sizeof(buffer),
 407                                                monitor->cpu_monitor[cpu_nr].event_count[mon_event_icache_miss]),
 408                        (monitor->cpu_monitor[cpu_nr].event_count[mon_event_icache_miss] == 1) ? "" : "es");
 409
 410     {
 411       long nr_insns = mon_get_number_of_insns(monitor, cpu_nr);
 412       if (nr_insns > 0)
 413         printf_filtered("CPU #%*d executed %*s instructions in total.\n",
 414                         len_cpu, cpu_nr+1,
 415                         len_num, mon_add_commas(buffer,
 416                                                 sizeof(buffer),
 417                                                 nr_insns));
 418     }
 419   }
 420
 421   if (total_insns > 0) {
 422     if (monitor->nr_cpus > 1)
 423       printf_filtered("\nAll CPUs executed %s instructions in total.\n",
 424                       mon_add_commas(buffer, sizeof(buffer), total_insns));
 425   }
 426   else if (total_sim_cycles > 0) {
 427     printf_filtered("\nSimulator performed %s simulation cycles.\n",
 428                     mon_add_commas(buffer, sizeof(buffer), total_sim_cycles));
 429   }
 430
 431   if (cpu_insns_second)
 432     printf_filtered ("%sSimulator speed was %s instructions/second.\n",
 433                      (monitor->nr_cpus > 1) ? "" : "\n",
 434                      mon_add_commas(buffer, sizeof(buffer), cpu_insns_second));
 435   else if (sim_cycles_second)
 436     printf_filtered ("Simulator speed was %s simulation cycles/second\n",
 437                      mon_add_commas(buffer, sizeof(buffer), sim_cycles_second));
 438   else if (cpu_time > 0.0)
 439     printf_filtered ("%sSimulator executed for %.2f seconds\n",
 440                      (monitor->nr_cpus > 1) ? "" : "\n", cpu_time);
 441
 442 }
 443
 444 #endif /* _MON_C_ */