src/simix/smx_smurf.c

   1 #include "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 /* Requests to handle at the end of this round of scheduling user processes */
   9 static xbt_heap_t req_todo;
  10 /* to protect the write actions in the heap */
  11 static xbt_os_mutex_t sync_req_positions;
  12
  13 void SIMIX_request_init(void)
  14 {
  15   req_todo = xbt_heap_new(5,NULL);
  16   sync_req_positions = xbt_os_mutex_init();
  17 }
  18
  19 void SIMIX_request_destroy(void)
  20 {
  21   xbt_heap_free(req_todo);
  22   xbt_os_mutex_destroy(sync_req_positions);
  23 }
  24
  25 /* FIXME: we may want to save the initialization of issuer... */
  26 XBT_INLINE smx_req_t SIMIX_req_mine() {
  27   smx_process_t issuer = SIMIX_process_self();
  28   return &issuer->request;
  29 }
  30
  31 void SIMIX_request_push()
  32 {
  33   smx_process_t issuer = SIMIX_process_self();
  34   if (issuer != simix_global->maestro_process){
  35     issuer->request.issuer = issuer;
  36
  37     if (smx_parallel_contexts)
  38       xbt_os_mutex_acquire(sync_req_positions);
  39     xbt_heap_push(req_todo,&issuer->request,issuer->pid);
  40     DEBUG4("Pushed request %s (%d) of %s; now %d requests waiting",
  41         SIMIX_request_name(issuer->request.call), issuer->request.call,
  42         issuer->name,xbt_heap_size(req_todo));
  43     if (smx_parallel_contexts)
  44       xbt_os_mutex_release(sync_req_positions);
  45
  46     DEBUG3("Yield process '%s' on request of type %s (%d)", issuer->name,
  47         SIMIX_request_name(issuer->request.call), issuer->request.call);
  48     SIMIX_process_yield();
  49   } else {
  50     SIMIX_request_pre(&issuer->request, 0);
  51   }
  52 }
  53
  54 smx_req_t SIMIX_request_pop(void)
  55 {
  56   smx_req_t req = xbt_heap_pop(req_todo);
  57   if(req)
  58     DEBUG4("Popped request %s (%d) of %s; now %d requests waiting",
  59         SIMIX_request_name(req->issuer->request.call),
  60         req->issuer->request.call,
  61         req->issuer->name,xbt_heap_size(req_todo));
  62   return req;
  63 }
  64
  65 void SIMIX_request_answer(smx_req_t req)
  66 {
  67   if (req->issuer != simix_global->maestro_process){
  68     DEBUG2("Answer request %s (%d)", SIMIX_request_name(req->call), req->call);
  69     req->issuer->request.call = REQ_NO_REQ;
  70     xbt_dynar_push_as(simix_global->process_to_run, smx_process_t, req->issuer);
  71   }
  72 }
  73
  74 void SIMIX_request_pre(smx_req_t req, int value)
  75 {
  76   switch (req->call) {
  77
  78     case REQ_COMM_TEST:
  79       SIMIX_pre_comm_test(req);
  80       break;
  81
  82     case REQ_COMM_TESTANY:
  83       SIMIX_pre_comm_testany(req, value);
  84       break;
  85
  86     case REQ_COMM_WAIT:
  87       SIMIX_pre_comm_wait(req, value);
  88       break;
  89
  90     case REQ_COMM_WAITANY:
  91       SIMIX_pre_comm_waitany(req, value);
  92       break;
  93
  94     case REQ_COMM_ISEND:
  95       req->comm_isend.result = SIMIX_comm_isend(
  96           req->issuer,
  97           req->comm_isend.rdv,
  98           req->comm_isend.task_size,
  99           req->comm_isend.rate,
 100           req->comm_isend.src_buff,
 101           req->comm_isend.src_buff_size,
 102           req->comm_isend.match_fun,
 103           req->comm_isend.data,
 104           req->comm_isend.detached);
 105       SIMIX_request_answer(req);
 106       break;
 107
 108     case REQ_COMM_IRECV:
 109       req->comm_irecv.result = SIMIX_comm_irecv(
 110           req->issuer,
 111           req->comm_irecv.rdv,
 112           req->comm_irecv.dst_buff,
 113           req->comm_irecv.dst_buff_size,
 114           req->comm_irecv.match_fun,
 115           req->comm_irecv.data);
 116       SIMIX_request_answer(req);
 117       break;
 118
 119     case REQ_COMM_DESTROY:
 120       SIMIX_comm_destroy(req->comm_destroy.comm);
 121       SIMIX_request_answer(req);
 122       break;
 123
 124     case REQ_COMM_CANCEL:
 125       SIMIX_comm_cancel(req->comm_cancel.comm);
 126       SIMIX_request_answer(req);
 127       break;
 128
 129     case REQ_COMM_GET_REMAINS:
 130       req->comm_get_remains.result =
 131           SIMIX_comm_get_remains(req->comm_get_remains.comm);
 132       SIMIX_request_answer(req);
 133       break;
 134
 135     case REQ_COMM_GET_STATE:
 136       req->comm_get_state.result =
 137           SIMIX_comm_get_state(req->comm_get_state.comm);
 138       SIMIX_request_answer(req);
 139       break;
 140
 141     case REQ_COMM_GET_SRC_DATA:
 142       req->comm_get_src_data.result = SIMIX_comm_get_src_data(req->comm_get_src_data.comm);
 143       SIMIX_request_answer(req);
 144       break;
 145
 146     case REQ_COMM_GET_DST_DATA:
 147       req->comm_get_dst_data.result = SIMIX_comm_get_dst_data(req->comm_get_dst_data.comm);
 148       SIMIX_request_answer(req);
 149       break;
 150
 151     case REQ_COMM_GET_SRC_BUFF:
 152       req->comm_get_src_buff.result =
 153           SIMIX_comm_get_src_buff(req->comm_get_src_buff.comm);
 154       SIMIX_request_answer(req);
 155       break;
 156
 157     case REQ_COMM_GET_DST_BUFF:
 158       req->comm_get_dst_buff.result =
 159           SIMIX_comm_get_dst_buff(req->comm_get_dst_buff.comm);
 160       SIMIX_request_answer(req);
 161       break;
 162
 163     case REQ_COMM_GET_SRC_BUFF_SIZE:
 164       req->comm_get_src_buff_size.result =
 165           SIMIX_comm_get_src_buff_size(req->comm_get_src_buff_size.comm);
 166       SIMIX_request_answer(req);
 167       break;
 168
 169     case REQ_COMM_GET_DST_BUFF_SIZE:
 170       req->comm_get_dst_buff_size.result =
 171           SIMIX_comm_get_dst_buff_size(req->comm_get_dst_buff_size.comm);
 172       SIMIX_request_answer(req);
 173       break;
 174
 175     case REQ_COMM_GET_SRC_PROC:
 176       req->comm_get_src_proc.result =
 177           SIMIX_comm_get_src_proc(req->comm_get_src_proc.comm);
 178       SIMIX_request_answer(req);
 179       break;
 180
 181     case REQ_COMM_GET_DST_PROC:
 182       req->comm_get_dst_proc.result =
 183           SIMIX_comm_get_dst_proc(req->comm_get_dst_proc.comm);
 184       SIMIX_request_answer(req);
 185       break;
 186
 187 #ifdef HAVE_LATENCY_BOUND_TRACKING
 188     case REQ_COMM_IS_LATENCY_BOUNDED:
 189       req->comm_is_latency_bounded.result =
 190           SIMIX_comm_is_latency_bounded(req->comm_is_latency_bounded.comm);
 191       SIMIX_request_answer(req);
 192       break;
 193 #endif
 194
 195     case REQ_RDV_CREATE:
 196       req->rdv_create.result = SIMIX_rdv_create(req->rdv_create.name);
 197       SIMIX_request_answer(req);
 198       break;
 199
 200     case REQ_RDV_DESTROY:
 201       SIMIX_rdv_destroy(req->rdv_destroy.rdv);
 202       SIMIX_request_answer(req);
 203       break;
 204
 205     case REQ_RDV_GEY_BY_NAME:
 206       req->rdv_get_by_name.result =
 207         SIMIX_rdv_get_by_name(req->rdv_get_by_name.name);
 208       SIMIX_request_answer(req);
 209       break;
 210
 211     case REQ_RDV_COMM_COUNT_BY_HOST:
 212       req->rdv_comm_count_by_host.result = SIMIX_rdv_comm_count_by_host(
 213           req->rdv_comm_count_by_host.rdv,
 214           req->rdv_comm_count_by_host.host);
 215       SIMIX_request_answer(req);
 216       break;
 217
 218     case REQ_RDV_GET_HEAD:
 219       req->rdv_get_head.result = SIMIX_rdv_get_head(req->rdv_get_head.rdv);
 220       SIMIX_request_answer(req);
 221       break;
 222
 223     case REQ_HOST_GET_BY_NAME:
 224       req->host_get_by_name.result =
 225         SIMIX_host_get_by_name(req->host_get_by_name.name);
 226       SIMIX_request_answer(req);
 227       break;
 228
 229     case REQ_HOST_GET_NAME:
 230       req->host_get_name.result =       SIMIX_host_get_name(req->host_get_name.host);
 231       SIMIX_request_answer(req);
 232       break;
 233
 234     case REQ_HOST_GET_PROPERTIES:
 235       req->host_get_properties.result =
 236         SIMIX_host_get_properties(req->host_get_properties.host);
 237       SIMIX_request_answer(req);
 238       break;
 239
 240     case REQ_HOST_GET_SPEED:
 241       req->host_get_speed.result =
 242         SIMIX_host_get_speed(req->host_get_speed.host);
 243       SIMIX_request_answer(req);
 244       break;
 245
 246     case REQ_HOST_GET_AVAILABLE_SPEED:
 247       req->host_get_available_speed.result =
 248         SIMIX_host_get_available_speed(req->host_get_available_speed.host);
 249       SIMIX_request_answer(req);
 250       break;
 251
 252     case REQ_HOST_GET_STATE:
 253       req->host_get_state.result =
 254         SIMIX_host_get_state(req->host_get_state.host);
 255       SIMIX_request_answer(req);
 256       break;
 257
 258     case REQ_HOST_GET_DATA:
 259       req->host_get_data.result =       SIMIX_host_get_data(req->host_get_data.host);
 260       SIMIX_request_answer(req);
 261       break;
 262
 263     case REQ_HOST_SET_DATA:
 264       SIMIX_host_set_data(req->host_set_data.host, req->host_set_data.data);
 265       SIMIX_request_answer(req);
 266       break;
 267
 268     case REQ_HOST_EXECUTE:
 269       req->host_execute.result = SIMIX_host_execute(
 270           req->host_execute.name,
 271           req->host_execute.host,
 272           req->host_execute.computation_amount,
 273           req->host_execute.priority);
 274       SIMIX_request_answer(req);
 275       break;
 276
 277     case REQ_HOST_PARALLEL_EXECUTE:
 278       req->host_parallel_execute.result = SIMIX_host_parallel_execute(
 279           req->host_parallel_execute.name,
 280           req->host_parallel_execute.host_nb,
 281           req->host_parallel_execute.host_list,
 282           req->host_parallel_execute.computation_amount,
 283           req->host_parallel_execute.communication_amount,
 284           req->host_parallel_execute.amount,
 285           req->host_parallel_execute.rate);
 286       SIMIX_request_answer(req);
 287       break;
 288
 289     case REQ_HOST_EXECUTION_DESTROY:
 290       SIMIX_host_execution_destroy(req->host_execution_destroy.execution);
 291       SIMIX_request_answer(req);
 292       break;
 293
 294     case REQ_HOST_EXECUTION_CANCEL:
 295       SIMIX_host_execution_cancel(req->host_execution_cancel.execution);
 296       SIMIX_request_answer(req);
 297       break;
 298
 299     case REQ_HOST_EXECUTION_GET_REMAINS:
 300       req->host_execution_get_remains.result =
 301         SIMIX_host_execution_get_remains(req->host_execution_get_remains.execution);
 302       SIMIX_request_answer(req);
 303       break;
 304
 305     case REQ_HOST_EXECUTION_GET_STATE:
 306       req->host_execution_get_state.result =
 307         SIMIX_host_execution_get_state(req->host_execution_get_state.execution);
 308       SIMIX_request_answer(req);
 309       break;
 310
 311     case REQ_HOST_EXECUTION_SET_PRIORITY:
 312       SIMIX_host_execution_set_priority(
 313           req->host_execution_set_priority.execution,
 314           req->host_execution_set_priority.priority);
 315       SIMIX_request_answer(req);
 316       break;
 317
 318     case REQ_HOST_EXECUTION_WAIT:
 319       SIMIX_pre_host_execution_wait(req);
 320       break;
 321
 322     case REQ_PROCESS_CREATE:
 323       SIMIX_process_create(
 324           req->process_create.process,
 325           req->process_create.name,
 326           req->process_create.code,
 327           req->process_create.data,
 328           req->process_create.hostname,
 329           req->process_create.argc,
 330           req->process_create.argv,
 331           req->process_create.properties);
 332       SIMIX_request_answer(req);
 333       break;
 334
 335     case REQ_PROCESS_KILL:
 336       SIMIX_process_kill(req->process_kill.process, req->issuer);
 337       SIMIX_request_answer(req);
 338       break;
 339
 340     case REQ_PROCESS_CHANGE_HOST:
 341       SIMIX_process_change_host(
 342           req->process_change_host.process,
 343           req->process_change_host.source,
 344           req->process_change_host.dest);
 345       SIMIX_request_answer(req);
 346       break;
 347
 348     case REQ_PROCESS_SUSPEND:
 349       SIMIX_pre_process_suspend(req);
 350       break;
 351
 352     case REQ_PROCESS_RESUME:
 353       SIMIX_process_resume(req->process_resume.process, req->issuer);
 354       SIMIX_request_answer(req);
 355       break;
 356
 357     case REQ_PROCESS_COUNT:
 358       req->process_count.result = SIMIX_process_count();
 359       SIMIX_request_answer(req);
 360       break;
 361
 362     case REQ_PROCESS_GET_DATA:
 363       req->process_get_data.result =
 364         SIMIX_process_get_data(req->process_get_data.process);
 365       SIMIX_request_answer(req);
 366       break;
 367
 368     case REQ_PROCESS_SET_DATA:
 369       SIMIX_process_set_data(
 370           req->process_set_data.process,
 371           req->process_set_data.data);
 372       SIMIX_request_answer(req);
 373       break;
 374
 375     case REQ_PROCESS_GET_HOST:
 376       req->process_get_host.result = SIMIX_process_get_host(req->process_get_host.process);
 377       SIMIX_request_answer(req);
 378       break;
 379
 380     case REQ_PROCESS_GET_NAME:
 381       req->process_get_name.result = SIMIX_process_get_name(req->process_get_name.process);
 382       SIMIX_request_answer(req);
 383       break;
 384
 385     case REQ_PROCESS_IS_SUSPENDED:
 386       req->process_is_suspended.result =
 387         SIMIX_process_is_suspended(req->process_is_suspended.process);
 388       SIMIX_request_answer(req);
 389       break;
 390
 391     case REQ_PROCESS_GET_PROPERTIES:
 392       req->process_get_properties.result =
 393         SIMIX_process_get_properties(req->process_get_properties.process);
 394       SIMIX_request_answer(req);
 395       break;
 396
 397     case REQ_PROCESS_SLEEP:
 398       SIMIX_pre_process_sleep(req);
 399       break;
 400
 401 #ifdef HAVE_TRACING
 402     case REQ_SET_CATEGORY:
 403       SIMIX_set_category(
 404           req->set_category.action,
 405           req->set_category.category);
 406       SIMIX_request_answer(req);
 407       break;
 408 #endif
 409
 410     case REQ_MUTEX_INIT:
 411       req->mutex_init.result = SIMIX_mutex_init();
 412       SIMIX_request_answer(req);
 413       break;
 414
 415     case REQ_MUTEX_DESTROY:
 416       SIMIX_mutex_destroy(req->mutex_destroy.mutex);
 417       SIMIX_request_answer(req);
 418       break;
 419
 420     case REQ_MUTEX_LOCK:
 421       SIMIX_pre_mutex_lock(req);
 422       break;
 423
 424     case REQ_MUTEX_TRYLOCK:
 425       req->mutex_trylock.result =
 426               SIMIX_mutex_trylock(req->mutex_trylock.mutex, req->issuer);
 427       SIMIX_request_answer(req);
 428       break;
 429
 430     case REQ_MUTEX_UNLOCK:
 431       SIMIX_mutex_unlock(req->mutex_unlock.mutex, req->issuer);
 432       SIMIX_request_answer(req);
 433       break;
 434
 435     case REQ_COND_INIT:
 436       req->cond_init.result = SIMIX_cond_init();
 437       SIMIX_request_answer(req);
 438       break;
 439
 440     case REQ_COND_DESTROY:
 441       SIMIX_cond_destroy(req->cond_destroy.cond);
 442       SIMIX_request_answer(req);
 443       break;
 444
 445     case REQ_COND_SIGNAL:
 446       SIMIX_cond_signal(req->cond_signal.cond);
 447       SIMIX_request_answer(req);
 448       break;
 449
 450     case REQ_COND_WAIT:
 451       SIMIX_pre_cond_wait(req);
 452       break;
 453
 454     case REQ_COND_WAIT_TIMEOUT:
 455       SIMIX_pre_cond_wait_timeout(req);
 456       break;
 457
 458     case REQ_COND_BROADCAST:
 459       SIMIX_cond_broadcast(req->cond_broadcast.cond);
 460       SIMIX_request_answer(req);
 461       break;
 462
 463     case REQ_SEM_INIT:
 464       req->sem_init.result = SIMIX_sem_init(req->sem_init.capacity);
 465       SIMIX_request_answer(req);
 466       break;
 467
 468     case REQ_SEM_DESTROY:
 469       SIMIX_sem_destroy(req->sem_destroy.sem);
 470       SIMIX_request_answer(req);
 471       break;
 472
 473     case REQ_SEM_RELEASE:
 474       SIMIX_sem_release(req->sem_release.sem);
 475       SIMIX_request_answer(req);
 476       break;
 477
 478     case REQ_SEM_WOULD_BLOCK:
 479       req->sem_would_block.result =
 480         SIMIX_sem_would_block(req->sem_would_block.sem);
 481       SIMIX_request_answer(req);
 482       break;
 483
 484     case REQ_SEM_ACQUIRE:
 485       SIMIX_pre_sem_acquire(req);
 486       break;
 487
 488     case REQ_SEM_ACQUIRE_TIMEOUT:
 489       SIMIX_pre_sem_acquire_timeout(req);
 490       break;
 491
 492     case REQ_SEM_GET_CAPACITY:
 493       req->sem_get_capacity.result =
 494         SIMIX_sem_get_capacity(req->sem_get_capacity.sem);
 495       SIMIX_request_answer(req);
 496       break;
 497
 498     case REQ_NO_REQ:
 499       THROW2(arg_error,0,"Asked to do the noop syscall on %s@%s",
 500           SIMIX_process_get_name(req->issuer),
 501           SIMIX_host_get_name(SIMIX_process_get_host(req->issuer))
 502           );
 503       break;
 504   }
 505 }
 506
 507 void SIMIX_request_post(smx_action_t action)
 508 {
 509   switch (action->type) {
 510
 511     case SIMIX_ACTION_EXECUTE:
 512     case SIMIX_ACTION_PARALLEL_EXECUTE:
 513       SIMIX_post_host_execute(action);
 514       break;
 515
 516     case SIMIX_ACTION_COMMUNICATE:
 517       SIMIX_post_comm(action);
 518       break;
 519
 520     case SIMIX_ACTION_SLEEP:
 521       SIMIX_post_process_sleep(action);
 522       break;
 523
 524     case SIMIX_ACTION_SYNCHRO:
 525       SIMIX_post_synchro(action);
 526       break;
 527
 528     case SIMIX_ACTION_IO:
 529       break;
 530   }
 531 }