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. If the current thread is maestro, we don't yield and
  17  * execute the simcall directly.
  18  * \param self the current process
  19  */
  20 void SIMIX_simcall_push(smx_process_t self)
  21 {
  22   if (self != simix_global->maestro_process) {
  23     XBT_DEBUG("Yield process '%s' on simcall %s (%d)", self->name,
  24               SIMIX_simcall_name(self->simcall.call), (int)self->simcall.call);
  25     SIMIX_process_yield(self);
  26   } else {
  27     SIMIX_simcall_pre(&self->simcall, 0);
  28   }
  29 }
  30
  31 void SIMIX_simcall_answer(smx_simcall_t simcall)
  32 {
  33   if (simcall->issuer != simix_global->maestro_process){
  34     XBT_DEBUG("Answer simcall %s (%d) issued by %s (%p)", SIMIX_simcall_name(simcall->call), (int)simcall->call,
  35         simcall->issuer->name, simcall->issuer);
  36     simcall->issuer->simcall.call = SIMCALL_NONE;
  37 /*    This check should be useless and slows everyone. Reactivate if you see something
  38  *    weird in process scheduling.
  39  */
  40 /*    if(!xbt_dynar_member(simix_global->process_to_run, &(simcall->issuer))) */
  41     xbt_dynar_push_as(simix_global->process_to_run, smx_process_t, simcall->issuer);
  42 /*    else DIE_IMPOSSIBLE; */
  43   }
  44 }
  45
  46 void SIMIX_simcall_pre(smx_simcall_t simcall, int value)
  47 {
  48   XBT_DEBUG("Handling simcall %p: %s", simcall, SIMIX_simcall_name(simcall->call));
  49
  50   switch (simcall->call) {
  51     case SIMCALL_COMM_TEST:
  52       SIMIX_pre_comm_test(simcall);
  53       break;
  54
  55     case SIMCALL_COMM_TESTANY:
  56       SIMIX_pre_comm_testany(simcall, value);
  57       break;
  58
  59     case SIMCALL_COMM_WAIT:
  60       SIMIX_pre_comm_wait(simcall,
  61           simcall->comm_wait.comm,
  62           simcall->comm_wait.timeout,
  63           value);
  64       break;
  65
  66     case SIMCALL_COMM_WAITANY:
  67       SIMIX_pre_comm_waitany(simcall, value);
  68       break;
  69
  70     case SIMCALL_COMM_SEND:
  71     {
  72       smx_action_t comm = SIMIX_comm_isend(
  73           simcall->issuer,
  74           simcall->comm_send.rdv,
  75           simcall->comm_send.task_size,
  76           simcall->comm_send.rate,
  77           simcall->comm_send.src_buff,
  78           simcall->comm_send.src_buff_size,
  79           simcall->comm_send.match_fun,
  80           NULL, /* no clean function since it's not detached */
  81           simcall->comm_send.data,
  82           0);
  83       SIMIX_pre_comm_wait(simcall, comm, simcall->comm_send.timeout, 0);
  84       break;
  85     }
  86
  87     case SIMCALL_COMM_ISEND:
  88       simcall->comm_isend.result = SIMIX_comm_isend(
  89           simcall->issuer,
  90           simcall->comm_isend.rdv,
  91           simcall->comm_isend.task_size,
  92           simcall->comm_isend.rate,
  93           simcall->comm_isend.src_buff,
  94           simcall->comm_isend.src_buff_size,
  95           simcall->comm_isend.match_fun,
  96           simcall->comm_isend.clean_fun,
  97           simcall->comm_isend.data,
  98           simcall->comm_isend.detached);
  99       SIMIX_simcall_answer(simcall);
 100       break;
 101
 102     case SIMCALL_COMM_RECV:
 103     {
 104       smx_action_t comm = SIMIX_comm_irecv(
 105           simcall->issuer,
 106           simcall->comm_recv.rdv,
 107           simcall->comm_recv.dst_buff,
 108           simcall->comm_recv.dst_buff_size,
 109           simcall->comm_recv.match_fun,
 110           simcall->comm_recv.data);
 111       SIMIX_pre_comm_wait(simcall, comm, simcall->comm_recv.timeout, 0);
 112       break;
 113     }
 114
 115     case SIMCALL_COMM_IRECV:
 116       simcall->comm_irecv.result = SIMIX_comm_irecv(
 117           simcall->issuer,
 118           simcall->comm_irecv.rdv,
 119           simcall->comm_irecv.dst_buff,
 120           simcall->comm_irecv.dst_buff_size,
 121           simcall->comm_irecv.match_fun,
 122           simcall->comm_irecv.data);
 123       SIMIX_simcall_answer(simcall);
 124       break;
 125
 126     case SIMCALL_COMM_DESTROY:
 127       SIMIX_comm_destroy(simcall->comm_destroy.comm);
 128       SIMIX_simcall_answer(simcall);
 129       break;
 130
 131     case SIMCALL_COMM_CANCEL:
 132       SIMIX_comm_cancel(simcall->comm_cancel.comm);
 133       SIMIX_simcall_answer(simcall);
 134       break;
 135
 136     case SIMCALL_COMM_GET_REMAINS:
 137       simcall->comm_get_remains.result =
 138           SIMIX_comm_get_remains(simcall->comm_get_remains.comm);
 139       SIMIX_simcall_answer(simcall);
 140       break;
 141
 142     case SIMCALL_COMM_GET_STATE:
 143       simcall->comm_get_state.result =
 144           SIMIX_comm_get_state(simcall->comm_get_state.comm);
 145       SIMIX_simcall_answer(simcall);
 146       break;
 147
 148     case SIMCALL_COMM_GET_SRC_DATA:
 149       simcall->comm_get_src_data.result = SIMIX_comm_get_src_data(simcall->comm_get_src_data.comm);
 150       SIMIX_simcall_answer(simcall);
 151       break;
 152
 153     case SIMCALL_COMM_GET_DST_DATA:
 154       simcall->comm_get_dst_data.result = SIMIX_comm_get_dst_data(simcall->comm_get_dst_data.comm);
 155       SIMIX_simcall_answer(simcall);
 156       break;
 157
 158     case SIMCALL_COMM_GET_SRC_PROC:
 159       simcall->comm_get_src_proc.result =
 160           SIMIX_comm_get_src_proc(simcall->comm_get_src_proc.comm);
 161       SIMIX_simcall_answer(simcall);
 162       break;
 163
 164     case SIMCALL_COMM_GET_DST_PROC:
 165       simcall->comm_get_dst_proc.result =
 166           SIMIX_comm_get_dst_proc(simcall->comm_get_dst_proc.comm);
 167       SIMIX_simcall_answer(simcall);
 168       break;
 169
 170 #ifdef HAVE_LATENCY_BOUND_TRACKING
 171     case SIMCALL_COMM_IS_LATENCY_BOUNDED:
 172       simcall->comm_is_latency_bounded.result =
 173           SIMIX_comm_is_latency_bounded(simcall->comm_is_latency_bounded.comm);
 174       SIMIX_simcall_answer(simcall);
 175       break;
 176 #endif
 177
 178     case SIMCALL_RDV_CREATE:
 179       simcall->rdv_create.result = SIMIX_rdv_create(simcall->rdv_create.name);
 180       SIMIX_simcall_answer(simcall);
 181       break;
 182
 183     case SIMCALL_RDV_DESTROY:
 184       SIMIX_rdv_destroy(simcall->rdv_destroy.rdv);
 185       SIMIX_simcall_answer(simcall);
 186       break;
 187
 188     case SIMCALL_RDV_GEY_BY_NAME:
 189       simcall->rdv_get_by_name.result =
 190         SIMIX_rdv_get_by_name(simcall->rdv_get_by_name.name);
 191       SIMIX_simcall_answer(simcall);
 192       break;
 193
 194     case SIMCALL_RDV_COMM_COUNT_BY_HOST:
 195       simcall->rdv_comm_count_by_host.result = SIMIX_rdv_comm_count_by_host(
 196           simcall->rdv_comm_count_by_host.rdv,
 197           simcall->rdv_comm_count_by_host.host);
 198       SIMIX_simcall_answer(simcall);
 199       break;
 200
 201     case SIMCALL_RDV_GET_HEAD:
 202       simcall->rdv_get_head.result = SIMIX_rdv_get_head(simcall->rdv_get_head.rdv);
 203       SIMIX_simcall_answer(simcall);
 204       break;
 205
 206     case SIMCALL_RDV_SET_RECV:
 207       SIMIX_rdv_set_receiver(simcall->rdv_set_rcv_proc.rdv, simcall->rdv_set_rcv_proc.receiver);
 208       SIMIX_simcall_answer(simcall);
 209       break;
 210
 211     case SIMCALL_RDV_GET_RECV:
 212       simcall->rdv_get_rcv_proc.result = SIMIX_rdv_get_receiver(simcall->rdv_set_rcv_proc.rdv);
 213       SIMIX_simcall_answer(simcall);
 214       break;
 215
 216     case SIMCALL_HOST_GET_BY_NAME:
 217       simcall->host_get_by_name.result =
 218         SIMIX_host_get_by_name(simcall->host_get_by_name.name);
 219       SIMIX_simcall_answer(simcall);
 220       break;
 221
 222     case SIMCALL_HOST_GET_NAME:
 223       simcall->host_get_name.result =  SIMIX_host_get_name(simcall->host_get_name.host);
 224       SIMIX_simcall_answer(simcall);
 225       break;
 226
 227     case SIMCALL_HOST_GET_PROPERTIES:
 228       simcall->host_get_properties.result =
 229         SIMIX_host_get_properties(simcall->host_get_properties.host);
 230       SIMIX_simcall_answer(simcall);
 231       break;
 232
 233     case SIMCALL_HOST_GET_SPEED:
 234       simcall->host_get_speed.result =
 235         SIMIX_host_get_speed(simcall->host_get_speed.host);
 236       SIMIX_simcall_answer(simcall);
 237       break;
 238
 239     case SIMCALL_HOST_GET_AVAILABLE_SPEED:
 240       simcall->host_get_available_speed.result =
 241         SIMIX_host_get_available_speed(simcall->host_get_available_speed.host);
 242       SIMIX_simcall_answer(simcall);
 243       break;
 244
 245     case SIMCALL_HOST_GET_STATE:
 246       simcall->host_get_state.result =
 247         SIMIX_host_get_state(simcall->host_get_state.host);
 248       SIMIX_simcall_answer(simcall);
 249       break;
 250
 251     case SIMCALL_HOST_GET_DATA:
 252       simcall->host_get_data.result =  SIMIX_host_get_data(simcall->host_get_data.host);
 253       SIMIX_simcall_answer(simcall);
 254       break;
 255
 256     case SIMCALL_HOST_SET_DATA:
 257       SIMIX_host_set_data(simcall->host_set_data.host, simcall->host_set_data.data);
 258       SIMIX_simcall_answer(simcall);
 259       break;
 260
 261     case SIMCALL_HOST_EXECUTE:
 262       simcall->host_execute.result = SIMIX_host_execute(
 263     simcall->host_execute.name,
 264     simcall->host_execute.host,
 265     simcall->host_execute.computation_amount,
 266     simcall->host_execute.priority);
 267       SIMIX_simcall_answer(simcall);
 268       break;
 269
 270     case SIMCALL_HOST_PARALLEL_EXECUTE:
 271       simcall->host_parallel_execute.result = SIMIX_host_parallel_execute(
 272     simcall->host_parallel_execute.name,
 273     simcall->host_parallel_execute.host_nb,
 274     simcall->host_parallel_execute.host_list,
 275     simcall->host_parallel_execute.computation_amount,
 276     simcall->host_parallel_execute.communication_amount,
 277     simcall->host_parallel_execute.amount,
 278     simcall->host_parallel_execute.rate);
 279       SIMIX_simcall_answer(simcall);
 280       break;
 281
 282     case SIMCALL_HOST_EXECUTION_DESTROY:
 283       SIMIX_host_execution_destroy(simcall->host_execution_destroy.execution);
 284       SIMIX_simcall_answer(simcall);
 285       break;
 286
 287     case SIMCALL_HOST_EXECUTION_CANCEL:
 288       SIMIX_host_execution_cancel(simcall->host_execution_cancel.execution);
 289       SIMIX_simcall_answer(simcall);
 290       break;
 291
 292     case SIMCALL_HOST_EXECUTION_GET_REMAINS:
 293       simcall->host_execution_get_remains.result =
 294         SIMIX_host_execution_get_remains(simcall->host_execution_get_remains.execution);
 295       SIMIX_simcall_answer(simcall);
 296       break;
 297
 298     case SIMCALL_HOST_EXECUTION_GET_STATE:
 299       simcall->host_execution_get_state.result =
 300         SIMIX_host_execution_get_state(simcall->host_execution_get_state.execution);
 301       SIMIX_simcall_answer(simcall);
 302       break;
 303
 304     case SIMCALL_HOST_EXECUTION_SET_PRIORITY:
 305       SIMIX_host_execution_set_priority(
 306     simcall->host_execution_set_priority.execution,
 307     simcall->host_execution_set_priority.priority);
 308       SIMIX_simcall_answer(simcall);
 309       break;
 310
 311     case SIMCALL_HOST_EXECUTION_WAIT:
 312       SIMIX_pre_host_execution_wait(simcall);
 313       break;
 314
 315     case SIMCALL_PROCESS_CREATE:
 316       SIMIX_process_create(
 317           simcall->process_create.process,
 318     simcall->process_create.name,
 319     simcall->process_create.code,
 320     simcall->process_create.data,
 321     simcall->process_create.hostname,
 322     simcall->process_create.kill_time,
 323     simcall->process_create.argc,
 324     simcall->process_create.argv,
 325     simcall->process_create.properties,
 326     simcall->process_create.auto_restart);
 327       SIMIX_simcall_answer(simcall);
 328       break;
 329
 330     case SIMCALL_PROCESS_KILL:
 331       SIMIX_process_kill(simcall->process_kill.process,simcall->issuer);
 332       SIMIX_simcall_answer(simcall);
 333       break;
 334
 335     case SIMCALL_PROCESS_KILLALL:
 336       SIMIX_process_killall(simcall->issuer);
 337       SIMIX_simcall_answer(simcall);
 338       break;
 339
 340     case SIMCALL_PROCESS_CLEANUP:
 341       SIMIX_process_cleanup(simcall->process_cleanup.process);
 342       SIMIX_simcall_answer(simcall);
 343       break;
 344
 345     case SIMCALL_PROCESS_CHANGE_HOST:
 346       SIMIX_pre_process_change_host(
 347           simcall->process_change_host.process,
 348           simcall->process_change_host.dest);
 349       SIMIX_simcall_answer(simcall);
 350       break;
 351
 352     case SIMCALL_PROCESS_SUSPEND:
 353       SIMIX_pre_process_suspend(simcall);
 354       break;
 355
 356     case SIMCALL_PROCESS_RESUME:
 357       SIMIX_process_resume(simcall->process_resume.process, simcall->issuer);
 358       SIMIX_simcall_answer(simcall);
 359       break;
 360
 361     case SIMCALL_PROCESS_COUNT:
 362       simcall->process_count.result = SIMIX_process_count();
 363       SIMIX_simcall_answer(simcall);
 364       break;
 365
 366     case SIMCALL_PROCESS_GET_DATA:
 367       simcall->process_get_data.result =
 368         SIMIX_process_get_data(simcall->process_get_data.process);
 369       SIMIX_simcall_answer(simcall);
 370       break;
 371     case SIMCALL_PROCESS_ON_EXIT:
 372       SIMIX_process_on_exit(simcall->process_on_exit.process,
 373                             simcall->process_on_exit.fun,
 374                             simcall->process_on_exit.data);
 375       SIMIX_simcall_answer(simcall);
 376     break;
 377     case SIMCALL_PROCESS_RESTART:
 378       simcall->process_restart.result = SIMIX_process_restart(simcall->process_restart.process, simcall->issuer);
 379       SIMIX_simcall_answer(simcall);
 380     break;
 381     case SIMCALL_PROCESS_AUTO_RESTART_SET:
 382       SIMIX_process_auto_restart_set(simcall->process_auto_restart.process,simcall->process_auto_restart.auto_restart);
 383       SIMIX_simcall_answer(simcall);
 384     break;
 385     case SIMCALL_PROCESS_SET_DATA:
 386       SIMIX_process_set_data(
 387     simcall->process_set_data.process,
 388     simcall->process_set_data.data);
 389       SIMIX_simcall_answer(simcall);
 390       break;
 391
 392     case SIMCALL_PROCESS_GET_HOST:
 393       simcall->process_get_host.result = SIMIX_process_get_host(simcall->process_get_host.process);
 394       SIMIX_simcall_answer(simcall);
 395       break;
 396
 397     case SIMCALL_PROCESS_GET_NAME:
 398       simcall->process_get_name.result = SIMIX_process_get_name(simcall->process_get_name.process);
 399       SIMIX_simcall_answer(simcall);
 400       break;
 401
 402     case SIMCALL_PROCESS_IS_SUSPENDED:
 403       simcall->process_is_suspended.result =
 404         SIMIX_process_is_suspended(simcall->process_is_suspended.process);
 405       SIMIX_simcall_answer(simcall);
 406       break;
 407
 408     case SIMCALL_PROCESS_GET_PROPERTIES:
 409       simcall->process_get_properties.result =
 410         SIMIX_process_get_properties(simcall->process_get_properties.process);
 411       SIMIX_simcall_answer(simcall);
 412       break;
 413
 414     case SIMCALL_PROCESS_SLEEP:
 415       SIMIX_pre_process_sleep(simcall);
 416       break;
 417
 418 #ifdef HAVE_TRACING
 419     case SIMCALL_SET_CATEGORY:
 420       SIMIX_set_category(
 421           simcall->set_category.action,
 422           simcall->set_category.category);
 423       SIMIX_simcall_answer(simcall);
 424       break;
 425 #endif
 426
 427     case SIMCALL_MUTEX_INIT:
 428       simcall->mutex_init.result = SIMIX_mutex_init();
 429       SIMIX_simcall_answer(simcall);
 430       break;
 431
 432     case SIMCALL_MUTEX_DESTROY:
 433       SIMIX_mutex_destroy(simcall->mutex_destroy.mutex);
 434       SIMIX_simcall_answer(simcall);
 435       break;
 436
 437     case SIMCALL_MUTEX_LOCK:
 438       SIMIX_pre_mutex_lock(simcall);
 439       break;
 440
 441     case SIMCALL_MUTEX_TRYLOCK:
 442       simcall->mutex_trylock.result =
 443         SIMIX_mutex_trylock(simcall->mutex_trylock.mutex, simcall->issuer);
 444       SIMIX_simcall_answer(simcall);
 445       break;
 446
 447     case SIMCALL_MUTEX_UNLOCK:
 448       SIMIX_mutex_unlock(simcall->mutex_unlock.mutex, simcall->issuer);
 449       SIMIX_simcall_answer(simcall);
 450       break;
 451
 452     case SIMCALL_COND_INIT:
 453       simcall->cond_init.result = SIMIX_cond_init();
 454       SIMIX_simcall_answer(simcall);
 455       break;
 456
 457     case SIMCALL_COND_DESTROY:
 458       SIMIX_cond_destroy(simcall->cond_destroy.cond);
 459       SIMIX_simcall_answer(simcall);
 460       break;
 461
 462     case SIMCALL_COND_SIGNAL:
 463       SIMIX_cond_signal(simcall->cond_signal.cond);
 464       SIMIX_simcall_answer(simcall);
 465       break;
 466
 467     case SIMCALL_COND_WAIT:
 468       SIMIX_pre_cond_wait(simcall);
 469       break;
 470
 471     case SIMCALL_COND_WAIT_TIMEOUT:
 472       SIMIX_pre_cond_wait_timeout(simcall);
 473       break;
 474
 475     case SIMCALL_COND_BROADCAST:
 476       SIMIX_cond_broadcast(simcall->cond_broadcast.cond);
 477       SIMIX_simcall_answer(simcall);
 478       break;
 479
 480     case SIMCALL_SEM_INIT:
 481       simcall->sem_init.result = SIMIX_sem_init(simcall->sem_init.capacity);
 482       SIMIX_simcall_answer(simcall);
 483       break;
 484
 485     case SIMCALL_SEM_DESTROY:
 486       SIMIX_sem_destroy(simcall->sem_destroy.sem);
 487       SIMIX_simcall_answer(simcall);
 488       break;
 489
 490     case SIMCALL_SEM_RELEASE:
 491       SIMIX_sem_release(simcall->sem_release.sem);
 492       SIMIX_simcall_answer(simcall);
 493       break;
 494
 495     case SIMCALL_SEM_WOULD_BLOCK:
 496       simcall->sem_would_block.result =
 497         SIMIX_sem_would_block(simcall->sem_would_block.sem);
 498       SIMIX_simcall_answer(simcall);
 499       break;
 500
 501     case SIMCALL_SEM_ACQUIRE:
 502       SIMIX_pre_sem_acquire(simcall);
 503       break;
 504
 505     case SIMCALL_SEM_ACQUIRE_TIMEOUT:
 506       SIMIX_pre_sem_acquire_timeout(simcall);
 507       break;
 508
 509     case SIMCALL_SEM_GET_CAPACITY:
 510       simcall->sem_get_capacity.result =
 511         SIMIX_sem_get_capacity(simcall->sem_get_capacity.sem);
 512       SIMIX_simcall_answer(simcall);
 513       break;
 514
 515     case SIMCALL_FILE_READ:
 516       SIMIX_pre_file_read(simcall);
 517       break;
 518
 519     case SIMCALL_FILE_WRITE:
 520       SIMIX_pre_file_write(simcall);
 521       break;
 522
 523     case SIMCALL_FILE_OPEN:
 524       SIMIX_pre_file_open(simcall);
 525       break;
 526
 527     case SIMCALL_FILE_CLOSE:
 528       SIMIX_pre_file_close(simcall);
 529       break;
 530
 531     case SIMCALL_FILE_STAT:
 532       SIMIX_pre_file_stat(simcall);
 533       break;
 534
 535     case SIMCALL_FILE_UNLINK:
 536       SIMIX_pre_file_unlink(simcall);
 537       break;
 538
 539     case SIMCALL_FILE_LS:
 540       SIMIX_pre_file_ls(simcall);
 541       break;
 542
 543     case SIMCALL_ASR_GET_PROPERTIES:
 544       simcall->asr_get_properties.result =
 545         SIMIX_asr_get_properties(simcall->asr_get_properties.name);
 546       SIMIX_simcall_answer(simcall);
 547       break;
 548
 549     case SIMCALL_NONE:
 550       THROWF(arg_error,0,"Asked to do the noop syscall on %s@%s",
 551           SIMIX_process_get_name(simcall->issuer),
 552           SIMIX_host_get_name(SIMIX_process_get_host(simcall->issuer))
 553           );
 554       break;
 555   }
 556 }
 557
 558 void SIMIX_simcall_post(smx_action_t action)
 559 {
 560   switch (action->type) {
 561
 562     case SIMIX_ACTION_EXECUTE:
 563     case SIMIX_ACTION_PARALLEL_EXECUTE:
 564       SIMIX_post_host_execute(action);
 565       break;
 566
 567     case SIMIX_ACTION_COMMUNICATE:
 568       SIMIX_post_comm(action);
 569       break;
 570
 571     case SIMIX_ACTION_SLEEP:
 572       SIMIX_post_process_sleep(action);
 573       break;
 574
 575     case SIMIX_ACTION_SYNCHRO:
 576       SIMIX_post_synchro(action);
 577       break;
 578
 579     case SIMIX_ACTION_IO:
 580       SIMIX_post_io(action);
 581       break;
 582   }
 583 }