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_HOST_GET_BY_NAME:
 207       simcall->host_get_by_name.result =
 208         SIMIX_host_get_by_name(simcall->host_get_by_name.name);
 209       SIMIX_simcall_answer(simcall);
 210       break;
 211
 212     case SIMCALL_HOST_GET_NAME:
 213       simcall->host_get_name.result =  SIMIX_host_get_name(simcall->host_get_name.host);
 214       SIMIX_simcall_answer(simcall);
 215       break;
 216
 217     case SIMCALL_HOST_GET_PROPERTIES:
 218       simcall->host_get_properties.result =
 219         SIMIX_host_get_properties(simcall->host_get_properties.host);
 220       SIMIX_simcall_answer(simcall);
 221       break;
 222
 223     case SIMCALL_HOST_GET_SPEED:
 224       simcall->host_get_speed.result =
 225         SIMIX_host_get_speed(simcall->host_get_speed.host);
 226       SIMIX_simcall_answer(simcall);
 227       break;
 228
 229     case SIMCALL_HOST_GET_AVAILABLE_SPEED:
 230       simcall->host_get_available_speed.result =
 231         SIMIX_host_get_available_speed(simcall->host_get_available_speed.host);
 232       SIMIX_simcall_answer(simcall);
 233       break;
 234
 235     case SIMCALL_HOST_GET_STATE:
 236       simcall->host_get_state.result =
 237         SIMIX_host_get_state(simcall->host_get_state.host);
 238       SIMIX_simcall_answer(simcall);
 239       break;
 240
 241     case SIMCALL_HOST_GET_DATA:
 242       simcall->host_get_data.result =  SIMIX_host_get_data(simcall->host_get_data.host);
 243       SIMIX_simcall_answer(simcall);
 244       break;
 245
 246     case SIMCALL_HOST_SET_DATA:
 247       SIMIX_host_set_data(simcall->host_set_data.host, simcall->host_set_data.data);
 248       SIMIX_simcall_answer(simcall);
 249       break;
 250
 251     case SIMCALL_HOST_EXECUTE:
 252       simcall->host_execute.result = SIMIX_host_execute(
 253     simcall->host_execute.name,
 254     simcall->host_execute.host,
 255     simcall->host_execute.computation_amount,
 256     simcall->host_execute.priority);
 257       SIMIX_simcall_answer(simcall);
 258       break;
 259
 260     case SIMCALL_HOST_PARALLEL_EXECUTE:
 261       simcall->host_parallel_execute.result = SIMIX_host_parallel_execute(
 262     simcall->host_parallel_execute.name,
 263     simcall->host_parallel_execute.host_nb,
 264     simcall->host_parallel_execute.host_list,
 265     simcall->host_parallel_execute.computation_amount,
 266     simcall->host_parallel_execute.communication_amount,
 267     simcall->host_parallel_execute.amount,
 268     simcall->host_parallel_execute.rate);
 269       SIMIX_simcall_answer(simcall);
 270       break;
 271
 272     case SIMCALL_HOST_EXECUTION_DESTROY:
 273       SIMIX_host_execution_destroy(simcall->host_execution_destroy.execution);
 274       SIMIX_simcall_answer(simcall);
 275       break;
 276
 277     case SIMCALL_HOST_EXECUTION_CANCEL:
 278       SIMIX_host_execution_cancel(simcall->host_execution_cancel.execution);
 279       SIMIX_simcall_answer(simcall);
 280       break;
 281
 282     case SIMCALL_HOST_EXECUTION_GET_REMAINS:
 283       simcall->host_execution_get_remains.result =
 284         SIMIX_host_execution_get_remains(simcall->host_execution_get_remains.execution);
 285       SIMIX_simcall_answer(simcall);
 286       break;
 287
 288     case SIMCALL_HOST_EXECUTION_GET_STATE:
 289       simcall->host_execution_get_state.result =
 290         SIMIX_host_execution_get_state(simcall->host_execution_get_state.execution);
 291       SIMIX_simcall_answer(simcall);
 292       break;
 293
 294     case SIMCALL_HOST_EXECUTION_SET_PRIORITY:
 295       SIMIX_host_execution_set_priority(
 296     simcall->host_execution_set_priority.execution,
 297     simcall->host_execution_set_priority.priority);
 298       SIMIX_simcall_answer(simcall);
 299       break;
 300
 301     case SIMCALL_HOST_EXECUTION_WAIT:
 302       SIMIX_pre_host_execution_wait(simcall);
 303       break;
 304
 305     case SIMCALL_PROCESS_CREATE:
 306       SIMIX_process_create(
 307           simcall->process_create.process,
 308     simcall->process_create.name,
 309     simcall->process_create.code,
 310     simcall->process_create.data,
 311     simcall->process_create.hostname,
 312     simcall->process_create.kill_time,
 313     simcall->process_create.argc,
 314     simcall->process_create.argv,
 315     simcall->process_create.properties);
 316       SIMIX_simcall_answer(simcall);
 317       break;
 318
 319     case SIMCALL_PROCESS_KILL:
 320       SIMIX_process_kill(simcall->process_kill.process);
 321       SIMIX_simcall_answer(simcall);
 322       break;
 323
 324     case SIMCALL_PROCESS_KILLALL:
 325       SIMIX_process_killall(simcall->issuer);
 326       SIMIX_simcall_answer(simcall);
 327       break;
 328
 329     case SIMCALL_PROCESS_CLEANUP:
 330       SIMIX_process_cleanup(simcall->process_cleanup.process);
 331       SIMIX_simcall_answer(simcall);
 332       break;
 333
 334     case SIMCALL_PROCESS_CHANGE_HOST:
 335       SIMIX_pre_process_change_host(
 336     simcall->process_change_host.process,
 337     simcall->process_change_host.dest);
 338       SIMIX_simcall_answer(simcall);
 339       break;
 340
 341     case SIMCALL_PROCESS_SUSPEND:
 342       SIMIX_pre_process_suspend(simcall);
 343       break;
 344
 345     case SIMCALL_PROCESS_RESUME:
 346       SIMIX_process_resume(simcall->process_resume.process, simcall->issuer);
 347       SIMIX_simcall_answer(simcall);
 348       break;
 349
 350     case SIMCALL_PROCESS_COUNT:
 351       simcall->process_count.result = SIMIX_process_count();
 352       SIMIX_simcall_answer(simcall);
 353       break;
 354
 355     case SIMCALL_PROCESS_GET_DATA:
 356       simcall->process_get_data.result =
 357         SIMIX_process_get_data(simcall->process_get_data.process);
 358       SIMIX_simcall_answer(simcall);
 359       break;
 360     case SIMCALL_PROCESS_ON_EXIT:
 361       SIMIX_process_on_exit(simcall->process_on_exit.process,
 362                             simcall->process_on_exit.fun,
 363                             simcall->process_on_exit.data);
 364       SIMIX_simcall_answer(simcall);
 365     break;
 366     case SIMCALL_PROCESS_SET_DATA:
 367       SIMIX_process_set_data(
 368     simcall->process_set_data.process,
 369     simcall->process_set_data.data);
 370       SIMIX_simcall_answer(simcall);
 371       break;
 372
 373     case SIMCALL_PROCESS_GET_HOST:
 374       simcall->process_get_host.result = SIMIX_process_get_host(simcall->process_get_host.process);
 375       SIMIX_simcall_answer(simcall);
 376       break;
 377
 378     case SIMCALL_PROCESS_GET_NAME:
 379       simcall->process_get_name.result = SIMIX_process_get_name(simcall->process_get_name.process);
 380       SIMIX_simcall_answer(simcall);
 381       break;
 382
 383     case SIMCALL_PROCESS_IS_SUSPENDED:
 384       simcall->process_is_suspended.result =
 385         SIMIX_process_is_suspended(simcall->process_is_suspended.process);
 386       SIMIX_simcall_answer(simcall);
 387       break;
 388
 389     case SIMCALL_PROCESS_GET_PROPERTIES:
 390       simcall->process_get_properties.result =
 391         SIMIX_process_get_properties(simcall->process_get_properties.process);
 392       SIMIX_simcall_answer(simcall);
 393       break;
 394
 395     case SIMCALL_PROCESS_SLEEP:
 396       SIMIX_pre_process_sleep(simcall);
 397       break;
 398
 399 #ifdef HAVE_TRACING
 400     case SIMCALL_SET_CATEGORY:
 401       SIMIX_set_category(
 402           simcall->set_category.action,
 403           simcall->set_category.category);
 404       SIMIX_simcall_answer(simcall);
 405       break;
 406 #endif
 407
 408     case SIMCALL_MUTEX_INIT:
 409       simcall->mutex_init.result = SIMIX_mutex_init();
 410       SIMIX_simcall_answer(simcall);
 411       break;
 412
 413     case SIMCALL_MUTEX_DESTROY:
 414       SIMIX_mutex_destroy(simcall->mutex_destroy.mutex);
 415       SIMIX_simcall_answer(simcall);
 416       break;
 417
 418     case SIMCALL_MUTEX_LOCK:
 419       SIMIX_pre_mutex_lock(simcall);
 420       break;
 421
 422     case SIMCALL_MUTEX_TRYLOCK:
 423       simcall->mutex_trylock.result =
 424         SIMIX_mutex_trylock(simcall->mutex_trylock.mutex, simcall->issuer);
 425       SIMIX_simcall_answer(simcall);
 426       break;
 427
 428     case SIMCALL_MUTEX_UNLOCK:
 429       SIMIX_mutex_unlock(simcall->mutex_unlock.mutex, simcall->issuer);
 430       SIMIX_simcall_answer(simcall);
 431       break;
 432
 433     case SIMCALL_COND_INIT:
 434       simcall->cond_init.result = SIMIX_cond_init();
 435       SIMIX_simcall_answer(simcall);
 436       break;
 437
 438     case SIMCALL_COND_DESTROY:
 439       SIMIX_cond_destroy(simcall->cond_destroy.cond);
 440       SIMIX_simcall_answer(simcall);
 441       break;
 442
 443     case SIMCALL_COND_SIGNAL:
 444       SIMIX_cond_signal(simcall->cond_signal.cond);
 445       SIMIX_simcall_answer(simcall);
 446       break;
 447
 448     case SIMCALL_COND_WAIT:
 449       SIMIX_pre_cond_wait(simcall);
 450       break;
 451
 452     case SIMCALL_COND_WAIT_TIMEOUT:
 453       SIMIX_pre_cond_wait_timeout(simcall);
 454       break;
 455
 456     case SIMCALL_COND_BROADCAST:
 457       SIMIX_cond_broadcast(simcall->cond_broadcast.cond);
 458       SIMIX_simcall_answer(simcall);
 459       break;
 460
 461     case SIMCALL_SEM_INIT:
 462       simcall->sem_init.result = SIMIX_sem_init(simcall->sem_init.capacity);
 463       SIMIX_simcall_answer(simcall);
 464       break;
 465
 466     case SIMCALL_SEM_DESTROY:
 467       SIMIX_sem_destroy(simcall->sem_destroy.sem);
 468       SIMIX_simcall_answer(simcall);
 469       break;
 470
 471     case SIMCALL_SEM_RELEASE:
 472       SIMIX_sem_release(simcall->sem_release.sem);
 473       SIMIX_simcall_answer(simcall);
 474       break;
 475
 476     case SIMCALL_SEM_WOULD_BLOCK:
 477       simcall->sem_would_block.result =
 478         SIMIX_sem_would_block(simcall->sem_would_block.sem);
 479       SIMIX_simcall_answer(simcall);
 480       break;
 481
 482     case SIMCALL_SEM_ACQUIRE:
 483       SIMIX_pre_sem_acquire(simcall);
 484       break;
 485
 486     case SIMCALL_SEM_ACQUIRE_TIMEOUT:
 487       SIMIX_pre_sem_acquire_timeout(simcall);
 488       break;
 489
 490     case SIMCALL_SEM_GET_CAPACITY:
 491       simcall->sem_get_capacity.result =
 492         SIMIX_sem_get_capacity(simcall->sem_get_capacity.sem);
 493       SIMIX_simcall_answer(simcall);
 494       break;
 495
 496     case SIMCALL_FILE_READ:
 497       SIMIX_pre_file_read(simcall);
 498       break;
 499
 500     case SIMCALL_FILE_WRITE:
 501       SIMIX_pre_file_write(simcall);
 502       break;
 503
 504     case SIMCALL_FILE_OPEN:
 505       SIMIX_pre_file_open(simcall);
 506       break;
 507
 508     case SIMCALL_FILE_CLOSE:
 509       SIMIX_pre_file_close(simcall);
 510       break;
 511
 512     case SIMCALL_FILE_STAT:
 513       SIMIX_pre_file_stat(simcall);
 514       break;
 515
 516     case SIMCALL_NONE:
 517       THROWF(arg_error,0,"Asked to do the noop syscall on %s@%s",
 518           SIMIX_process_get_name(simcall->issuer),
 519           SIMIX_host_get_name(SIMIX_process_get_host(simcall->issuer))
 520           );
 521       break;
 522   }
 523 }
 524
 525 void SIMIX_simcall_post(smx_action_t action)
 526 {
 527   switch (action->type) {
 528
 529     case SIMIX_ACTION_EXECUTE:
 530     case SIMIX_ACTION_PARALLEL_EXECUTE:
 531       SIMIX_post_host_execute(action);
 532       break;
 533
 534     case SIMIX_ACTION_COMMUNICATE:
 535       SIMIX_post_comm(action);
 536       break;
 537
 538     case SIMIX_ACTION_SLEEP:
 539       SIMIX_post_process_sleep(action);
 540       break;
 541
 542     case SIMIX_ACTION_SYNCHRO:
 543       SIMIX_post_synchro(action);
 544       break;
 545
 546     case SIMIX_ACTION_IO:
 547       SIMIX_post_io(action);
 548       break;
 549   }
 550 }