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_IPROBE:
 127       simcall->comm_iprobe.result = SIMIX_comm_iprobe(
 128           simcall->issuer,
 129           simcall->comm_iprobe.rdv,
 130           simcall->comm_iprobe.src,
 131           simcall->comm_iprobe.tag,
 132           simcall->comm_iprobe.match_fun,
 133           simcall->comm_iprobe.data);
 134       SIMIX_simcall_answer(simcall);
 135       break;
 136
 137     case SIMCALL_COMM_DESTROY:
 138       SIMIX_comm_destroy(simcall->comm_destroy.comm);
 139       SIMIX_simcall_answer(simcall);
 140       break;
 141
 142     case SIMCALL_COMM_CANCEL:
 143       SIMIX_comm_cancel(simcall->comm_cancel.comm);
 144       SIMIX_simcall_answer(simcall);
 145       break;
 146
 147     case SIMCALL_COMM_GET_REMAINS:
 148       simcall->comm_get_remains.result =
 149           SIMIX_comm_get_remains(simcall->comm_get_remains.comm);
 150       SIMIX_simcall_answer(simcall);
 151       break;
 152
 153     case SIMCALL_COMM_GET_STATE:
 154       simcall->comm_get_state.result =
 155           SIMIX_comm_get_state(simcall->comm_get_state.comm);
 156       SIMIX_simcall_answer(simcall);
 157       break;
 158
 159     case SIMCALL_COMM_GET_SRC_DATA:
 160       simcall->comm_get_src_data.result = SIMIX_comm_get_src_data(simcall->comm_get_src_data.comm);
 161       SIMIX_simcall_answer(simcall);
 162       break;
 163
 164     case SIMCALL_COMM_GET_DST_DATA:
 165       simcall->comm_get_dst_data.result = SIMIX_comm_get_dst_data(simcall->comm_get_dst_data.comm);
 166       SIMIX_simcall_answer(simcall);
 167       break;
 168
 169     case SIMCALL_COMM_GET_SRC_PROC:
 170       simcall->comm_get_src_proc.result =
 171           SIMIX_comm_get_src_proc(simcall->comm_get_src_proc.comm);
 172       SIMIX_simcall_answer(simcall);
 173       break;
 174
 175     case SIMCALL_COMM_GET_DST_PROC:
 176       simcall->comm_get_dst_proc.result =
 177           SIMIX_comm_get_dst_proc(simcall->comm_get_dst_proc.comm);
 178       SIMIX_simcall_answer(simcall);
 179       break;
 180
 181 #ifdef HAVE_LATENCY_BOUND_TRACKING
 182     case SIMCALL_COMM_IS_LATENCY_BOUNDED:
 183       simcall->comm_is_latency_bounded.result =
 184           SIMIX_comm_is_latency_bounded(simcall->comm_is_latency_bounded.comm);
 185       SIMIX_simcall_answer(simcall);
 186       break;
 187 #endif
 188
 189     case SIMCALL_RDV_CREATE:
 190       simcall->rdv_create.result = SIMIX_rdv_create(simcall->rdv_create.name);
 191       SIMIX_simcall_answer(simcall);
 192       break;
 193
 194     case SIMCALL_RDV_DESTROY:
 195       SIMIX_rdv_destroy(simcall->rdv_destroy.rdv);
 196       SIMIX_simcall_answer(simcall);
 197       break;
 198
 199     case SIMCALL_RDV_GEY_BY_NAME:
 200       simcall->rdv_get_by_name.result =
 201         SIMIX_rdv_get_by_name(simcall->rdv_get_by_name.name);
 202       SIMIX_simcall_answer(simcall);
 203       break;
 204
 205     case SIMCALL_RDV_COMM_COUNT_BY_HOST:
 206       simcall->rdv_comm_count_by_host.result = SIMIX_rdv_comm_count_by_host(
 207           simcall->rdv_comm_count_by_host.rdv,
 208           simcall->rdv_comm_count_by_host.host);
 209       SIMIX_simcall_answer(simcall);
 210       break;
 211
 212     case SIMCALL_RDV_GET_HEAD:
 213       simcall->rdv_get_head.result = SIMIX_rdv_get_head(simcall->rdv_get_head.rdv);
 214       SIMIX_simcall_answer(simcall);
 215       break;
 216
 217     case SIMCALL_RDV_SET_RECV:
 218       SIMIX_rdv_set_receiver(simcall->rdv_set_rcv_proc.rdv, simcall->rdv_set_rcv_proc.receiver);
 219       SIMIX_simcall_answer(simcall);
 220       break;
 221
 222     case SIMCALL_RDV_GET_RECV:
 223       simcall->rdv_get_rcv_proc.result = SIMIX_rdv_get_receiver(simcall->rdv_set_rcv_proc.rdv);
 224       SIMIX_simcall_answer(simcall);
 225       break;
 226
 227     case SIMCALL_HOST_GET_BY_NAME:
 228       simcall->host_get_by_name.result =
 229         SIMIX_host_get_by_name(simcall->host_get_by_name.name);
 230       SIMIX_simcall_answer(simcall);
 231       break;
 232
 233     case SIMCALL_HOST_GET_NAME:
 234       simcall->host_get_name.result =  SIMIX_host_get_name(simcall->host_get_name.host);
 235       SIMIX_simcall_answer(simcall);
 236       break;
 237
 238     case SIMCALL_HOST_GET_PROPERTIES:
 239       simcall->host_get_properties.result =
 240         SIMIX_host_get_properties(simcall->host_get_properties.host);
 241       SIMIX_simcall_answer(simcall);
 242       break;
 243
 244     case SIMCALL_HOST_GET_SPEED:
 245       simcall->host_get_speed.result =
 246         SIMIX_host_get_speed(simcall->host_get_speed.host);
 247       SIMIX_simcall_answer(simcall);
 248       break;
 249
 250     case SIMCALL_HOST_GET_AVAILABLE_SPEED:
 251       simcall->host_get_available_speed.result =
 252         SIMIX_host_get_available_speed(simcall->host_get_available_speed.host);
 253       SIMIX_simcall_answer(simcall);
 254       break;
 255
 256     case SIMCALL_HOST_GET_STATE:
 257       simcall->host_get_state.result =
 258         SIMIX_host_get_state(simcall->host_get_state.host);
 259       SIMIX_simcall_answer(simcall);
 260       break;
 261
 262     case SIMCALL_HOST_GET_DATA:
 263       simcall->host_get_data.result =  SIMIX_host_get_data(simcall->host_get_data.host);
 264       SIMIX_simcall_answer(simcall);
 265       break;
 266
 267     case SIMCALL_HOST_SET_DATA:
 268       SIMIX_host_set_data(simcall->host_set_data.host, simcall->host_set_data.data);
 269       SIMIX_simcall_answer(simcall);
 270       break;
 271
 272     case SIMCALL_HOST_EXECUTE:
 273       simcall->host_execute.result = SIMIX_host_execute(
 274     simcall->host_execute.name,
 275     simcall->host_execute.host,
 276     simcall->host_execute.computation_amount,
 277     simcall->host_execute.priority);
 278       SIMIX_simcall_answer(simcall);
 279       break;
 280
 281     case SIMCALL_HOST_PARALLEL_EXECUTE:
 282       simcall->host_parallel_execute.result = SIMIX_host_parallel_execute(
 283     simcall->host_parallel_execute.name,
 284     simcall->host_parallel_execute.host_nb,
 285     simcall->host_parallel_execute.host_list,
 286     simcall->host_parallel_execute.computation_amount,
 287     simcall->host_parallel_execute.communication_amount,
 288     simcall->host_parallel_execute.amount,
 289     simcall->host_parallel_execute.rate);
 290       SIMIX_simcall_answer(simcall);
 291       break;
 292
 293     case SIMCALL_HOST_EXECUTION_DESTROY:
 294       SIMIX_host_execution_destroy(simcall->host_execution_destroy.execution);
 295       SIMIX_simcall_answer(simcall);
 296       break;
 297
 298     case SIMCALL_HOST_EXECUTION_CANCEL:
 299       SIMIX_host_execution_cancel(simcall->host_execution_cancel.execution);
 300       SIMIX_simcall_answer(simcall);
 301       break;
 302
 303     case SIMCALL_HOST_EXECUTION_GET_REMAINS:
 304       simcall->host_execution_get_remains.result =
 305         SIMIX_host_execution_get_remains(simcall->host_execution_get_remains.execution);
 306       SIMIX_simcall_answer(simcall);
 307       break;
 308
 309     case SIMCALL_HOST_EXECUTION_GET_STATE:
 310       simcall->host_execution_get_state.result =
 311         SIMIX_host_execution_get_state(simcall->host_execution_get_state.execution);
 312       SIMIX_simcall_answer(simcall);
 313       break;
 314
 315     case SIMCALL_HOST_EXECUTION_SET_PRIORITY:
 316       SIMIX_host_execution_set_priority(
 317     simcall->host_execution_set_priority.execution,
 318     simcall->host_execution_set_priority.priority);
 319       SIMIX_simcall_answer(simcall);
 320       break;
 321
 322     case SIMCALL_HOST_EXECUTION_WAIT:
 323       SIMIX_pre_host_execution_wait(simcall);
 324       break;
 325
 326     case SIMCALL_PROCESS_CREATE:
 327       SIMIX_process_create(
 328           simcall->process_create.process,
 329     simcall->process_create.name,
 330     simcall->process_create.code,
 331     simcall->process_create.data,
 332     simcall->process_create.hostname,
 333     simcall->process_create.kill_time,
 334     simcall->process_create.argc,
 335     simcall->process_create.argv,
 336     simcall->process_create.properties,
 337     simcall->process_create.auto_restart);
 338       SIMIX_simcall_answer(simcall);
 339       break;
 340
 341     case SIMCALL_PROCESS_KILL:
 342       SIMIX_process_kill(simcall->process_kill.process,simcall->issuer);
 343       SIMIX_simcall_answer(simcall);
 344       break;
 345
 346     case SIMCALL_PROCESS_KILLALL:
 347       SIMIX_process_killall(simcall->issuer);
 348       SIMIX_simcall_answer(simcall);
 349       break;
 350
 351     case SIMCALL_PROCESS_CLEANUP:
 352       SIMIX_process_cleanup(simcall->process_cleanup.process);
 353       SIMIX_simcall_answer(simcall);
 354       break;
 355
 356     case SIMCALL_PROCESS_CHANGE_HOST:
 357       SIMIX_pre_process_change_host(
 358           simcall->process_change_host.process,
 359           simcall->process_change_host.dest);
 360       SIMIX_simcall_answer(simcall);
 361       break;
 362
 363     case SIMCALL_PROCESS_SUSPEND:
 364       SIMIX_pre_process_suspend(simcall);
 365       break;
 366
 367     case SIMCALL_PROCESS_RESUME:
 368       SIMIX_process_resume(simcall->process_resume.process, simcall->issuer);
 369       SIMIX_simcall_answer(simcall);
 370       break;
 371
 372     case SIMCALL_PROCESS_COUNT:
 373       simcall->process_count.result = SIMIX_process_count();
 374       SIMIX_simcall_answer(simcall);
 375       break;
 376
 377     case SIMCALL_PROCESS_GET_DATA:
 378       simcall->process_get_data.result =
 379         SIMIX_process_get_data(simcall->process_get_data.process);
 380       SIMIX_simcall_answer(simcall);
 381       break;
 382     case SIMCALL_PROCESS_ON_EXIT:
 383       SIMIX_process_on_exit(simcall->process_on_exit.process,
 384                             simcall->process_on_exit.fun,
 385                             simcall->process_on_exit.data);
 386       SIMIX_simcall_answer(simcall);
 387     break;
 388     case SIMCALL_PROCESS_RESTART:
 389       simcall->process_restart.result = SIMIX_process_restart(simcall->process_restart.process, simcall->issuer);
 390       SIMIX_simcall_answer(simcall);
 391     break;
 392     case SIMCALL_PROCESS_AUTO_RESTART_SET:
 393       SIMIX_process_auto_restart_set(simcall->process_auto_restart.process,simcall->process_auto_restart.auto_restart);
 394       SIMIX_simcall_answer(simcall);
 395     break;
 396     case SIMCALL_PROCESS_SET_DATA:
 397       SIMIX_process_set_data(
 398     simcall->process_set_data.process,
 399     simcall->process_set_data.data);
 400       SIMIX_simcall_answer(simcall);
 401       break;
 402
 403     case SIMCALL_PROCESS_GET_HOST:
 404       simcall->process_get_host.result = SIMIX_process_get_host(simcall->process_get_host.process);
 405       SIMIX_simcall_answer(simcall);
 406       break;
 407
 408     case SIMCALL_PROCESS_GET_NAME:
 409       simcall->process_get_name.result = SIMIX_process_get_name(simcall->process_get_name.process);
 410       SIMIX_simcall_answer(simcall);
 411       break;
 412
 413     case SIMCALL_PROCESS_IS_SUSPENDED:
 414       simcall->process_is_suspended.result =
 415         SIMIX_process_is_suspended(simcall->process_is_suspended.process);
 416       SIMIX_simcall_answer(simcall);
 417       break;
 418
 419     case SIMCALL_PROCESS_GET_PROPERTIES:
 420       simcall->process_get_properties.result =
 421         SIMIX_process_get_properties(simcall->process_get_properties.process);
 422       SIMIX_simcall_answer(simcall);
 423       break;
 424
 425     case SIMCALL_PROCESS_SLEEP:
 426       SIMIX_pre_process_sleep(simcall);
 427       break;
 428
 429 #ifdef HAVE_TRACING
 430     case SIMCALL_SET_CATEGORY:
 431       SIMIX_set_category(
 432           simcall->set_category.action,
 433           simcall->set_category.category);
 434       SIMIX_simcall_answer(simcall);
 435       break;
 436 #endif
 437
 438     case SIMCALL_MUTEX_INIT:
 439       simcall->mutex_init.result = SIMIX_mutex_init();
 440       SIMIX_simcall_answer(simcall);
 441       break;
 442
 443     case SIMCALL_MUTEX_DESTROY:
 444       SIMIX_mutex_destroy(simcall->mutex_destroy.mutex);
 445       SIMIX_simcall_answer(simcall);
 446       break;
 447
 448     case SIMCALL_MUTEX_LOCK:
 449       SIMIX_pre_mutex_lock(simcall);
 450       break;
 451
 452     case SIMCALL_MUTEX_TRYLOCK:
 453       simcall->mutex_trylock.result =
 454         SIMIX_mutex_trylock(simcall->mutex_trylock.mutex, simcall->issuer);
 455       SIMIX_simcall_answer(simcall);
 456       break;
 457
 458     case SIMCALL_MUTEX_UNLOCK:
 459       SIMIX_mutex_unlock(simcall->mutex_unlock.mutex, simcall->issuer);
 460       SIMIX_simcall_answer(simcall);
 461       break;
 462
 463     case SIMCALL_COND_INIT:
 464       simcall->cond_init.result = SIMIX_cond_init();
 465       SIMIX_simcall_answer(simcall);
 466       break;
 467
 468     case SIMCALL_COND_DESTROY:
 469       SIMIX_cond_destroy(simcall->cond_destroy.cond);
 470       SIMIX_simcall_answer(simcall);
 471       break;
 472
 473     case SIMCALL_COND_SIGNAL:
 474       SIMIX_cond_signal(simcall->cond_signal.cond);
 475       SIMIX_simcall_answer(simcall);
 476       break;
 477
 478     case SIMCALL_COND_WAIT:
 479       SIMIX_pre_cond_wait(simcall);
 480       break;
 481
 482     case SIMCALL_COND_WAIT_TIMEOUT:
 483       SIMIX_pre_cond_wait_timeout(simcall);
 484       break;
 485
 486     case SIMCALL_COND_BROADCAST:
 487       SIMIX_cond_broadcast(simcall->cond_broadcast.cond);
 488       SIMIX_simcall_answer(simcall);
 489       break;
 490
 491     case SIMCALL_SEM_INIT:
 492       simcall->sem_init.result = SIMIX_sem_init(simcall->sem_init.capacity);
 493       SIMIX_simcall_answer(simcall);
 494       break;
 495
 496     case SIMCALL_SEM_DESTROY:
 497       SIMIX_sem_destroy(simcall->sem_destroy.sem);
 498       SIMIX_simcall_answer(simcall);
 499       break;
 500
 501     case SIMCALL_SEM_RELEASE:
 502       SIMIX_sem_release(simcall->sem_release.sem);
 503       SIMIX_simcall_answer(simcall);
 504       break;
 505
 506     case SIMCALL_SEM_WOULD_BLOCK:
 507       simcall->sem_would_block.result =
 508         SIMIX_sem_would_block(simcall->sem_would_block.sem);
 509       SIMIX_simcall_answer(simcall);
 510       break;
 511
 512     case SIMCALL_SEM_ACQUIRE:
 513       SIMIX_pre_sem_acquire(simcall);
 514       break;
 515
 516     case SIMCALL_SEM_ACQUIRE_TIMEOUT:
 517       SIMIX_pre_sem_acquire_timeout(simcall);
 518       break;
 519
 520     case SIMCALL_SEM_GET_CAPACITY:
 521       simcall->sem_get_capacity.result =
 522         SIMIX_sem_get_capacity(simcall->sem_get_capacity.sem);
 523       SIMIX_simcall_answer(simcall);
 524       break;
 525
 526     case SIMCALL_FILE_READ:
 527       SIMIX_pre_file_read(simcall);
 528       break;
 529
 530     case SIMCALL_FILE_WRITE:
 531       SIMIX_pre_file_write(simcall);
 532       break;
 533
 534     case SIMCALL_FILE_OPEN:
 535       SIMIX_pre_file_open(simcall);
 536       break;
 537
 538     case SIMCALL_FILE_CLOSE:
 539       SIMIX_pre_file_close(simcall);
 540       break;
 541
 542     case SIMCALL_FILE_STAT:
 543       SIMIX_pre_file_stat(simcall);
 544       break;
 545
 546     case SIMCALL_FILE_UNLINK:
 547       SIMIX_pre_file_unlink(simcall);
 548       break;
 549
 550     case SIMCALL_FILE_LS:
 551       SIMIX_pre_file_ls(simcall);
 552       break;
 553
 554     case SIMCALL_ASR_GET_PROPERTIES:
 555       simcall->asr_get_properties.result =
 556         SIMIX_asr_get_properties(simcall->asr_get_properties.name);
 557       SIMIX_simcall_answer(simcall);
 558       break;
 559
 560     case SIMCALL_NONE:
 561       THROWF(arg_error,0,"Asked to do the noop syscall on %s@%s",
 562           SIMIX_process_get_name(simcall->issuer),
 563           SIMIX_host_get_name(SIMIX_process_get_host(simcall->issuer))
 564           );
 565       break;
 566   }
 567 }
 568
 569 void SIMIX_simcall_post(smx_action_t action)
 570 {
 571   switch (action->type) {
 572
 573     case SIMIX_ACTION_EXECUTE:
 574     case SIMIX_ACTION_PARALLEL_EXECUTE:
 575       SIMIX_post_host_execute(action);
 576       break;
 577
 578     case SIMIX_ACTION_COMMUNICATE:
 579       SIMIX_post_comm(action);
 580       break;
 581
 582     case SIMIX_ACTION_SLEEP:
 583       SIMIX_post_process_sleep(action);
 584       break;
 585
 586     case SIMIX_ACTION_SYNCHRO:
 587       SIMIX_post_synchro(action);
 588       break;
 589
 590     case SIMIX_ACTION_IO:
 591       SIMIX_post_io(action);
 592       break;
 593   }
 594 }