src/simix/smx_smurf.c

   1 #include "smx_private.h"
   2 #include "xbt/fifo.h"
   3 #include "xbt/xbt_os_thread.h"
   4
   5 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(simix_smurf, simix,
   6                                 "Logging specific to SIMIX (SMURF)");
   7
   8 XBT_INLINE smx_simcall_t SIMIX_simcall_mine()
   9 {
  10   smx_process_t issuer = SIMIX_process_self();
  11   return &issuer->simcall;
  12 }
  13
  14 /**
  15  * \brief Makes the current process do a simcall to the kernel and yields
  16  * until completion.
  17  * \param self the current process
  18  */
  19 void SIMIX_simcall_push(smx_process_t self)
  20 {
  21   if (self != simix_global->maestro_process) {
  22     XBT_DEBUG("Yield process '%s' on simcall %s (%d)", self->name,
  23               SIMIX_simcall_name(self->simcall.call), (int)self->simcall.call);
  24     SIMIX_process_yield(self);
  25   } else {
  26     SIMIX_simcall_pre(&self->simcall, 0);
  27   }
  28 }
  29
  30 void SIMIX_simcall_answer(smx_simcall_t simcall)
  31 {
  32   if (simcall->issuer != simix_global->maestro_process){
  33     XBT_DEBUG("Answer simcall %s (%d) issued by %s (%p)", SIMIX_simcall_name(simcall->call), (int)simcall->call,
  34         simcall->issuer->name, simcall->issuer);
  35     simcall->issuer->simcall.call = SIMCALL_NONE;
  36 /*    This check should be useless and slows everyone. Reactivate if you see something
  37  *    weird in process scheduling.
  38  */
  39 /*    if(!xbt_dynar_member(simix_global->process_to_run, &(simcall->issuer))) */
  40     xbt_dynar_push_as(simix_global->process_to_run, smx_process_t, simcall->issuer);
  41 /*    else DIE_IMPOSSIBLE; */
  42   }
  43 }
  44
  45 void SIMIX_simcall_pre(smx_simcall_t simcall, int value)
  46 {
  47   XBT_DEBUG("Handling simcall %p: %s", simcall, SIMIX_simcall_name(simcall->call));
  48
  49   switch (simcall->call) {
  50     case SIMCALL_COMM_TEST:
  51       SIMIX_pre_comm_test(simcall);
  52       break;
  53
  54     case SIMCALL_COMM_TESTANY:
  55       SIMIX_pre_comm_testany(simcall, value);
  56       break;
  57
  58     case SIMCALL_COMM_WAIT:
  59       SIMIX_pre_comm_wait(simcall,
  60           simcall->comm_wait.comm,
  61           simcall->comm_wait.timeout,
  62           value);
  63       break;
  64
  65     case SIMCALL_COMM_WAITANY:
  66       SIMIX_pre_comm_waitany(simcall, value);
  67       break;
  68
  69     case SIMCALL_COMM_SEND:
  70     {
  71       smx_action_t comm = SIMIX_comm_isend(
  72           simcall->issuer,
  73           simcall->comm_send.rdv,
  74           simcall->comm_send.task_size,
  75           simcall->comm_send.rate,
  76           simcall->comm_send.src_buff,
  77           simcall->comm_send.src_buff_size,
  78           simcall->comm_send.match_fun,
  79           NULL, /* no clean function since it's not detached */
  80           simcall->comm_send.data,
  81           0);
  82       SIMIX_pre_comm_wait(simcall, comm, simcall->comm_send.timeout, 0);
  83       break;
  84     }
  85
  86     case SIMCALL_COMM_ISEND:
  87       simcall->comm_isend.result = SIMIX_comm_isend(
  88           simcall->issuer,
  89           simcall->comm_isend.rdv,
  90           simcall->comm_isend.task_size,
  91           simcall->comm_isend.rate,
  92           simcall->comm_isend.src_buff,
  93           simcall->comm_isend.src_buff_size,
  94           simcall->comm_isend.match_fun,
  95           simcall->comm_isend.clean_fun,
  96           simcall->comm_isend.data,
  97           simcall->comm_isend.detached);
  98       SIMIX_simcall_answer(simcall);
  99       break;
 100
 101     case SIMCALL_COMM_RECV:
 102     {
 103       smx_action_t comm = SIMIX_comm_irecv(
 104           simcall->issuer,
 105           simcall->comm_recv.rdv,
 106           simcall->comm_recv.dst_buff,
 107           simcall->comm_recv.dst_buff_size,
 108           simcall->comm_recv.match_fun,
 109           simcall->comm_recv.data);
 110       SIMIX_pre_comm_wait(simcall, comm, simcall->comm_recv.timeout, 0);
 111       break;
 112     }
 113
 114     case SIMCALL_COMM_IRECV:
 115       simcall->comm_irecv.result = SIMIX_comm_irecv(
 116           simcall->issuer,
 117           simcall->comm_irecv.rdv,
 118           simcall->comm_irecv.dst_buff,
 119           simcall->comm_irecv.dst_buff_size,
 120           simcall->comm_irecv.match_fun,
 121           simcall->comm_irecv.data);
 122       SIMIX_simcall_answer(simcall);
 123       break;
 124
 125     case SIMCALL_COMM_DESTROY:
 126       SIMIX_comm_destroy(simcall->comm_destroy.comm);
 127       SIMIX_simcall_answer(simcall);
 128       break;
 129
 130     case SIMCALL_COMM_CANCEL:
 131       SIMIX_comm_cancel(simcall->comm_cancel.comm);
 132       SIMIX_simcall_answer(simcall);
 133       break;
 134
 135     case SIMCALL_COMM_GET_REMAINS:
 136       simcall->comm_get_remains.result =
 137           SIMIX_comm_get_remains(simcall->comm_get_remains.comm);
 138       SIMIX_simcall_answer(simcall);
 139       break;
 140
 141     case SIMCALL_COMM_GET_STATE:
 142       simcall->comm_get_state.result =
 143           SIMIX_comm_get_state(simcall->comm_get_state.comm);
 144       SIMIX_simcall_answer(simcall);
 145       break;
 146
 147     case SIMCALL_COMM_GET_SRC_DATA:
 148       simcall->comm_get_src_data.result = SIMIX_comm_get_src_data(simcall->comm_get_src_data.comm);
 149       SIMIX_simcall_answer(simcall);
 150       break;
 151
 152     case SIMCALL_COMM_GET_DST_DATA:
 153       simcall->comm_get_dst_data.result = SIMIX_comm_get_dst_data(simcall->comm_get_dst_data.comm);
 154       SIMIX_simcall_answer(simcall);
 155       break;
 156
 157     case SIMCALL_COMM_GET_SRC_PROC:
 158       simcall->comm_get_src_proc.result =
 159           SIMIX_comm_get_src_proc(simcall->comm_get_src_proc.comm);
 160       SIMIX_simcall_answer(simcall);
 161       break;
 162
 163     case SIMCALL_COMM_GET_DST_PROC:
 164       simcall->comm_get_dst_proc.result =
 165           SIMIX_comm_get_dst_proc(simcall->comm_get_dst_proc.comm);
 166       SIMIX_simcall_answer(simcall);
 167       break;
 168
 169 #ifdef HAVE_LATENCY_BOUND_TRACKING
 170     case SIMCALL_COMM_IS_LATENCY_BOUNDED:
 171       simcall->comm_is_latency_bounded.result =
 172           SIMIX_comm_is_latency_bounded(simcall->comm_is_latency_bounded.comm);
 173       SIMIX_simcall_answer(simcall);
 174       break;
 175 #endif
 176
 177     case SIMCALL_RDV_CREATE:
 178       simcall->rdv_create.result = SIMIX_rdv_create(simcall->rdv_create.name);
 179       SIMIX_simcall_answer(simcall);
 180       break;
 181
 182     case SIMCALL_RDV_DESTROY:
 183       SIMIX_rdv_destroy(simcall->rdv_destroy.rdv);
 184       SIMIX_simcall_answer(simcall);
 185       break;
 186
 187     case SIMCALL_RDV_GEY_BY_NAME:
 188       simcall->rdv_get_by_name.result =
 189         SIMIX_rdv_get_by_name(simcall->rdv_get_by_name.name);
 190       SIMIX_simcall_answer(simcall);
 191       break;
 192
 193     case SIMCALL_RDV_COMM_COUNT_BY_HOST:
 194       simcall->rdv_comm_count_by_host.result = SIMIX_rdv_comm_count_by_host(
 195           simcall->rdv_comm_count_by_host.rdv,
 196           simcall->rdv_comm_count_by_host.host);
 197       SIMIX_simcall_answer(simcall);
 198       break;
 199
 200     case SIMCALL_RDV_GET_HEAD:
 201       simcall->rdv_get_head.result = SIMIX_rdv_get_head(simcall->rdv_get_head.rdv);
 202       SIMIX_simcall_answer(simcall);
 203       break;
 204
 205     case SIMCALL_HOST_GET_BY_NAME:
 206       simcall->host_get_by_name.result =
 207         SIMIX_host_get_by_name(simcall->host_get_by_name.name);
 208       SIMIX_simcall_answer(simcall);
 209       break;
 210
 211     case SIMCALL_HOST_GET_NAME:
 212       simcall->host_get_name.result =   SIMIX_host_get_name(simcall->host_get_name.host);
 213       SIMIX_simcall_answer(simcall);
 214       break;
 215
 216     case SIMCALL_HOST_GET_PROPERTIES:
 217       simcall->host_get_properties.result =
 218         SIMIX_host_get_properties(simcall->host_get_properties.host);
 219       SIMIX_simcall_answer(simcall);
 220       break;
 221
 222     case SIMCALL_HOST_GET_SPEED:
 223       simcall->host_get_speed.result =
 224         SIMIX_host_get_speed(simcall->host_get_speed.host);
 225       SIMIX_simcall_answer(simcall);
 226       break;
 227
 228     case SIMCALL_HOST_GET_AVAILABLE_SPEED:
 229       simcall->host_get_available_speed.result =
 230         SIMIX_host_get_available_speed(simcall->host_get_available_speed.host);
 231       SIMIX_simcall_answer(simcall);
 232       break;
 233
 234     case SIMCALL_HOST_GET_STATE:
 235       simcall->host_get_state.result =
 236         SIMIX_host_get_state(simcall->host_get_state.host);
 237       SIMIX_simcall_answer(simcall);
 238       break;
 239
 240     case SIMCALL_HOST_GET_DATA:
 241       simcall->host_get_data.result =   SIMIX_host_get_data(simcall->host_get_data.host);
 242       SIMIX_simcall_answer(simcall);
 243       break;
 244
 245     case SIMCALL_HOST_SET_DATA:
 246       SIMIX_host_set_data(simcall->host_set_data.host, simcall->host_set_data.data);
 247       SIMIX_simcall_answer(simcall);
 248       break;
 249
 250     case SIMCALL_HOST_EXECUTE:
 251       simcall->host_execute.result = SIMIX_host_execute(
 252           simcall->host_execute.name,
 253           simcall->host_execute.host,
 254           simcall->host_execute.computation_amount,
 255           simcall->host_execute.priority);
 256       SIMIX_simcall_answer(simcall);
 257       break;
 258
 259     case SIMCALL_HOST_PARALLEL_EXECUTE:
 260       simcall->host_parallel_execute.result = SIMIX_host_parallel_execute(
 261           simcall->host_parallel_execute.name,
 262           simcall->host_parallel_execute.host_nb,
 263           simcall->host_parallel_execute.host_list,
 264           simcall->host_parallel_execute.computation_amount,
 265           simcall->host_parallel_execute.communication_amount,
 266           simcall->host_parallel_execute.amount,
 267           simcall->host_parallel_execute.rate);
 268       SIMIX_simcall_answer(simcall);
 269       break;
 270
 271     case SIMCALL_HOST_EXECUTION_DESTROY:
 272       SIMIX_host_execution_destroy(simcall->host_execution_destroy.execution);
 273       SIMIX_simcall_answer(simcall);
 274       break;
 275
 276     case SIMCALL_HOST_EXECUTION_CANCEL:
 277       SIMIX_host_execution_cancel(simcall->host_execution_cancel.execution);
 278       SIMIX_simcall_answer(simcall);
 279       break;
 280
 281     case SIMCALL_HOST_EXECUTION_GET_REMAINS:
 282       simcall->host_execution_get_remains.result =
 283         SIMIX_host_execution_get_remains(simcall->host_execution_get_remains.execution);
 284       SIMIX_simcall_answer(simcall);
 285       break;
 286
 287     case SIMCALL_HOST_EXECUTION_GET_STATE:
 288       simcall->host_execution_get_state.result =
 289         SIMIX_host_execution_get_state(simcall->host_execution_get_state.execution);
 290       SIMIX_simcall_answer(simcall);
 291       break;
 292
 293     case SIMCALL_HOST_EXECUTION_SET_PRIORITY:
 294       SIMIX_host_execution_set_priority(
 295           simcall->host_execution_set_priority.execution,
 296           simcall->host_execution_set_priority.priority);
 297       SIMIX_simcall_answer(simcall);
 298       break;
 299
 300     case SIMCALL_HOST_EXECUTION_WAIT:
 301       SIMIX_pre_host_execution_wait(simcall);
 302       break;
 303
 304     case SIMCALL_PROCESS_CREATE:
 305       SIMIX_process_create(
 306           simcall->process_create.process,
 307           simcall->process_create.name,
 308           simcall->process_create.code,
 309           simcall->process_create.data,
 310           simcall->process_create.hostname,
 311           simcall->process_create.kill_time,
 312           simcall->process_create.argc,
 313           simcall->process_create.argv,
 314           simcall->process_create.properties);
 315       SIMIX_simcall_answer(simcall);
 316       break;
 317
 318     case SIMCALL_PROCESS_KILL:
 319       SIMIX_process_kill(simcall->process_kill.process);
 320       SIMIX_simcall_answer(simcall);
 321       break;
 322
 323     case SIMCALL_PROCESS_KILLALL:
 324       SIMIX_process_killall(simcall->issuer);
 325       SIMIX_simcall_answer(simcall);
 326       break;
 327
 328     case SIMCALL_PROCESS_CLEANUP:
 329       SIMIX_process_cleanup(simcall->process_cleanup.process);
 330       SIMIX_simcall_answer(simcall);
 331       break;
 332
 333     case SIMCALL_PROCESS_CHANGE_HOST:
 334       SIMIX_pre_process_change_host(
 335           simcall->process_change_host.process,
 336           simcall->process_change_host.dest);
 337       SIMIX_simcall_answer(simcall);
 338       break;
 339
 340     case SIMCALL_PROCESS_SUSPEND:
 341       SIMIX_pre_process_suspend(simcall);
 342       break;
 343
 344     case SIMCALL_PROCESS_RESUME:
 345       SIMIX_process_resume(simcall->process_resume.process, simcall->issuer);
 346       SIMIX_simcall_answer(simcall);
 347       break;
 348
 349     case SIMCALL_PROCESS_COUNT:
 350       simcall->process_count.result = SIMIX_process_count();
 351       SIMIX_simcall_answer(simcall);
 352       break;
 353
 354     case SIMCALL_PROCESS_GET_DATA:
 355       simcall->process_get_data.result =
 356         SIMIX_process_get_data(simcall->process_get_data.process);
 357       SIMIX_simcall_answer(simcall);
 358       break;
 359
 360     case SIMCALL_PROCESS_SET_DATA:
 361       SIMIX_process_set_data(
 362           simcall->process_set_data.process,
 363           simcall->process_set_data.data);
 364       SIMIX_simcall_answer(simcall);
 365       break;
 366
 367     case SIMCALL_PROCESS_GET_HOST:
 368       simcall->process_get_host.result = SIMIX_process_get_host(simcall->process_get_host.process);
 369       SIMIX_simcall_answer(simcall);
 370       break;
 371
 372     case SIMCALL_PROCESS_GET_NAME:
 373       simcall->process_get_name.result = SIMIX_process_get_name(simcall->process_get_name.process);
 374       SIMIX_simcall_answer(simcall);
 375       break;
 376
 377     case SIMCALL_PROCESS_IS_SUSPENDED:
 378       simcall->process_is_suspended.result =
 379         SIMIX_process_is_suspended(simcall->process_is_suspended.process);
 380       SIMIX_simcall_answer(simcall);
 381       break;
 382
 383     case SIMCALL_PROCESS_GET_PROPERTIES:
 384       simcall->process_get_properties.result =
 385         SIMIX_process_get_properties(simcall->process_get_properties.process);
 386       SIMIX_simcall_answer(simcall);
 387       break;
 388
 389     case SIMCALL_PROCESS_SLEEP:
 390       SIMIX_pre_process_sleep(simcall);
 391       break;
 392
 393 #ifdef HAVE_TRACING
 394     case SIMCALL_SET_CATEGORY:
 395       SIMIX_set_category(
 396           simcall->set_category.action,
 397           simcall->set_category.category);
 398       SIMIX_simcall_answer(simcall);
 399       break;
 400 #endif
 401
 402     case SIMCALL_MUTEX_INIT:
 403       simcall->mutex_init.result = SIMIX_mutex_init();
 404       SIMIX_simcall_answer(simcall);
 405       break;
 406
 407     case SIMCALL_MUTEX_DESTROY:
 408       SIMIX_mutex_destroy(simcall->mutex_destroy.mutex);
 409       SIMIX_simcall_answer(simcall);
 410       break;
 411
 412     case SIMCALL_MUTEX_LOCK:
 413       SIMIX_pre_mutex_lock(simcall);
 414       break;
 415
 416     case SIMCALL_MUTEX_TRYLOCK:
 417       simcall->mutex_trylock.result =
 418               SIMIX_mutex_trylock(simcall->mutex_trylock.mutex, simcall->issuer);
 419       SIMIX_simcall_answer(simcall);
 420       break;
 421
 422     case SIMCALL_MUTEX_UNLOCK:
 423       SIMIX_mutex_unlock(simcall->mutex_unlock.mutex, simcall->issuer);
 424       SIMIX_simcall_answer(simcall);
 425       break;
 426
 427     case SIMCALL_COND_INIT:
 428       simcall->cond_init.result = SIMIX_cond_init();
 429       SIMIX_simcall_answer(simcall);
 430       break;
 431
 432     case SIMCALL_COND_DESTROY:
 433       SIMIX_cond_destroy(simcall->cond_destroy.cond);
 434       SIMIX_simcall_answer(simcall);
 435       break;
 436
 437     case SIMCALL_COND_SIGNAL:
 438       SIMIX_cond_signal(simcall->cond_signal.cond);
 439       SIMIX_simcall_answer(simcall);
 440       break;
 441
 442     case SIMCALL_COND_WAIT:
 443       SIMIX_pre_cond_wait(simcall);
 444       break;
 445
 446     case SIMCALL_COND_WAIT_TIMEOUT:
 447       SIMIX_pre_cond_wait_timeout(simcall);
 448       break;
 449
 450     case SIMCALL_COND_BROADCAST:
 451       SIMIX_cond_broadcast(simcall->cond_broadcast.cond);
 452       SIMIX_simcall_answer(simcall);
 453       break;
 454
 455     case SIMCALL_SEM_INIT:
 456       simcall->sem_init.result = SIMIX_sem_init(simcall->sem_init.capacity);
 457       SIMIX_simcall_answer(simcall);
 458       break;
 459
 460     case SIMCALL_SEM_DESTROY:
 461       SIMIX_sem_destroy(simcall->sem_destroy.sem);
 462       SIMIX_simcall_answer(simcall);
 463       break;
 464
 465     case SIMCALL_SEM_RELEASE:
 466       SIMIX_sem_release(simcall->sem_release.sem);
 467       SIMIX_simcall_answer(simcall);
 468       break;
 469
 470     case SIMCALL_SEM_WOULD_BLOCK:
 471       simcall->sem_would_block.result =
 472         SIMIX_sem_would_block(simcall->sem_would_block.sem);
 473       SIMIX_simcall_answer(simcall);
 474       break;
 475
 476     case SIMCALL_SEM_ACQUIRE:
 477       SIMIX_pre_sem_acquire(simcall);
 478       break;
 479
 480     case SIMCALL_SEM_ACQUIRE_TIMEOUT:
 481       SIMIX_pre_sem_acquire_timeout(simcall);
 482       break;
 483
 484     case SIMCALL_SEM_GET_CAPACITY:
 485       simcall->sem_get_capacity.result =
 486         SIMIX_sem_get_capacity(simcall->sem_get_capacity.sem);
 487       SIMIX_simcall_answer(simcall);
 488       break;
 489
 490     case SIMCALL_FILE_READ:
 491       SIMIX_pre_file_read(simcall);
 492       break;
 493
 494     case SIMCALL_FILE_WRITE:
 495       SIMIX_pre_file_write(simcall);
 496       break;
 497
 498     case SIMCALL_FILE_OPEN:
 499       SIMIX_pre_file_open(simcall);
 500       break;
 501
 502     case SIMCALL_FILE_CLOSE:
 503       SIMIX_pre_file_close(simcall);
 504       break;
 505
 506     case SIMCALL_FILE_STAT:
 507       SIMIX_pre_file_stat(simcall);
 508       break;
 509
 510     case SIMCALL_NONE:
 511       THROWF(arg_error,0,"Asked to do the noop syscall on %s@%s",
 512           SIMIX_process_get_name(simcall->issuer),
 513           SIMIX_host_get_name(SIMIX_process_get_host(simcall->issuer))
 514           );
 515       break;
 516   }
 517 }
 518
 519 void SIMIX_simcall_post(smx_action_t action)
 520 {
 521   switch (action->type) {
 522
 523     case SIMIX_ACTION_EXECUTE:
 524     case SIMIX_ACTION_PARALLEL_EXECUTE:
 525       SIMIX_post_host_execute(action);
 526       break;
 527
 528     case SIMIX_ACTION_COMMUNICATE:
 529       SIMIX_post_comm(action);
 530       break;
 531
 532     case SIMIX_ACTION_SLEEP:
 533       SIMIX_post_process_sleep(action);
 534       break;
 535
 536     case SIMIX_ACTION_SYNCHRO:
 537       SIMIX_post_synchro(action);
 538       break;
 539
 540     case SIMIX_ACTION_IO:
 541       SIMIX_post_io(action);
 542       break;
 543   }
 544 }