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 /* Tables with the requests to handle at the end of this round of scheduling
   9  * user processes. There is one for each thread of execution. */
  10 static xbt_swag_t *req_lists;
  11
  12 void SIMIX_request_init(void)
  13 {
  14   s_smx_req_t req;
  15   int i, nthreads = SIMIX_context_get_nthreads();
  16
  17   req_lists = xbt_new0(xbt_swag_t, nthreads);
  18   for(i=0; i < nthreads; i++)
  19     req_lists[i] = xbt_swag_new(xbt_swag_offset(req, reqtable_hookup));
  20
  21 }
  22
  23 void SIMIX_request_destroy(void)
  24 {
  25   int i, nthreads = SIMIX_context_get_nthreads();
  26
  27   for(i=0; i < nthreads; i++)
  28     xbt_swag_free(req_lists[i]);
  29
  30   xbt_free(req_lists);
  31 }
  32
  33 xbt_swag_t SIMIX_request_get_reqlist(int thread_pid)
  34 {
  35   return req_lists[thread_pid];
  36 }
  37
  38 /* FIXME: we may want to save the initialization of issuer... */
  39 XBT_INLINE smx_req_t SIMIX_req_mine() {
  40   smx_process_t issuer = SIMIX_process_self();
  41   return &issuer->request;
  42 }
  43
  44 void SIMIX_request_push()
  45 {
  46   xbt_swag_t req_table;
  47   smx_process_t issuer = SIMIX_process_self();
  48
  49   if (issuer != simix_global->maestro_process){
  50     issuer->request.issuer = issuer;
  51     req_table = SIMIX_request_get_reqlist(SIMIX_context_get_thread_id());
  52
  53     xbt_swag_insert_at_tail(&issuer->request, req_table);
  54
  55     XBT_DEBUG("Pushed request %s (%d) of %s",
  56         SIMIX_request_name(issuer->request.call), issuer->request.call,
  57         issuer->name);
  58
  59     XBT_DEBUG("Yield process '%s' on request of type %s (%d)", issuer->name,
  60         SIMIX_request_name(issuer->request.call), issuer->request.call);
  61     SIMIX_process_yield();
  62   } else {
  63     SIMIX_request_pre(&issuer->request, 0);
  64   }
  65 }
  66
  67 smx_req_t SIMIX_request_pop(void)
  68 {
  69   int i;
  70   smx_req_t req = NULL;
  71   int nthreads = SIMIX_context_get_nthreads();
  72
  73   for(i=0; i < nthreads; i++){
  74     if((req = xbt_swag_extract(req_lists[i]))){
  75       XBT_DEBUG("Popped request %s (%d) of %s",
  76           SIMIX_request_name(req->issuer->request.call),
  77           req->issuer->request.call,
  78           req->issuer->name);
  79       return req;
  80     }
  81   }
  82
  83   return NULL;
  84 }
  85
  86 void SIMIX_request_answer(smx_req_t req)
  87 {
  88   if (req->issuer != simix_global->maestro_process){
  89     XBT_DEBUG("Answer request %s (%d)", SIMIX_request_name(req->call), req->call);
  90     req->issuer->request.call = REQ_NO_REQ;
  91     xbt_dynar_push_as(simix_global->process_to_run, smx_process_t, req->issuer);
  92   }
  93 }
  94
  95 void SIMIX_request_pre(smx_req_t req, int value)
  96 {
  97   switch (req->call) {
  98
  99     case REQ_COMM_TEST:
 100       SIMIX_pre_comm_test(req);
 101       break;
 102
 103     case REQ_COMM_TESTANY:
 104       SIMIX_pre_comm_testany(req, value);
 105       break;
 106
 107     case REQ_COMM_WAIT:
 108       SIMIX_pre_comm_wait(req,
 109           req->comm_wait.comm,
 110           req->comm_wait.timeout,
 111           value);
 112       break;
 113
 114     case REQ_COMM_WAITANY:
 115       SIMIX_pre_comm_waitany(req, value);
 116       break;
 117
 118     case REQ_COMM_SEND:
 119     {
 120       smx_action_t comm = SIMIX_comm_isend(
 121           req->issuer,
 122           req->comm_send.rdv,
 123           req->comm_send.task_size,
 124           req->comm_send.rate,
 125           req->comm_send.src_buff,
 126           req->comm_send.src_buff_size,
 127           req->comm_send.match_fun,
 128           req->comm_send.data,
 129           0);
 130       SIMIX_pre_comm_wait(req, comm, req->comm_send.timeout, 0);
 131       break;
 132     }
 133
 134     case REQ_COMM_ISEND:
 135       req->comm_isend.result = SIMIX_comm_isend(
 136           req->issuer,
 137           req->comm_isend.rdv,
 138           req->comm_isend.task_size,
 139           req->comm_isend.rate,
 140           req->comm_isend.src_buff,
 141           req->comm_isend.src_buff_size,
 142           req->comm_isend.match_fun,
 143           req->comm_isend.data,
 144           req->comm_isend.detached);
 145       SIMIX_request_answer(req);
 146       break;
 147
 148     case REQ_COMM_RECV:
 149     {
 150       smx_action_t comm = SIMIX_comm_irecv(
 151           req->issuer,
 152           req->comm_recv.rdv,
 153           req->comm_recv.dst_buff,
 154           req->comm_recv.dst_buff_size,
 155           req->comm_recv.match_fun,
 156           req->comm_recv.data);
 157       SIMIX_pre_comm_wait(req, comm, req->comm_recv.timeout, 0);
 158       break;
 159     }
 160
 161     case REQ_COMM_IRECV:
 162       req->comm_irecv.result = SIMIX_comm_irecv(
 163           req->issuer,
 164           req->comm_irecv.rdv,
 165           req->comm_irecv.dst_buff,
 166           req->comm_irecv.dst_buff_size,
 167           req->comm_irecv.match_fun,
 168           req->comm_irecv.data);
 169       SIMIX_request_answer(req);
 170       break;
 171
 172     case REQ_COMM_DESTROY:
 173       SIMIX_comm_destroy(req->comm_destroy.comm);
 174       SIMIX_request_answer(req);
 175       break;
 176
 177     case REQ_COMM_CANCEL:
 178       SIMIX_comm_cancel(req->comm_cancel.comm);
 179       SIMIX_request_answer(req);
 180       break;
 181
 182     case REQ_COMM_GET_REMAINS:
 183       req->comm_get_remains.result =
 184           SIMIX_comm_get_remains(req->comm_get_remains.comm);
 185       SIMIX_request_answer(req);
 186       break;
 187
 188     case REQ_COMM_GET_STATE:
 189       req->comm_get_state.result =
 190           SIMIX_comm_get_state(req->comm_get_state.comm);
 191       SIMIX_request_answer(req);
 192       break;
 193
 194     case REQ_COMM_GET_SRC_DATA:
 195       req->comm_get_src_data.result = SIMIX_comm_get_src_data(req->comm_get_src_data.comm);
 196       SIMIX_request_answer(req);
 197       break;
 198
 199     case REQ_COMM_GET_DST_DATA:
 200       req->comm_get_dst_data.result = SIMIX_comm_get_dst_data(req->comm_get_dst_data.comm);
 201       SIMIX_request_answer(req);
 202       break;
 203
 204     case REQ_COMM_GET_SRC_PROC:
 205       req->comm_get_src_proc.result =
 206           SIMIX_comm_get_src_proc(req->comm_get_src_proc.comm);
 207       SIMIX_request_answer(req);
 208       break;
 209
 210     case REQ_COMM_GET_DST_PROC:
 211       req->comm_get_dst_proc.result =
 212           SIMIX_comm_get_dst_proc(req->comm_get_dst_proc.comm);
 213       SIMIX_request_answer(req);
 214       break;
 215
 216 #ifdef HAVE_LATENCY_BOUND_TRACKING
 217     case REQ_COMM_IS_LATENCY_BOUNDED:
 218       req->comm_is_latency_bounded.result =
 219           SIMIX_comm_is_latency_bounded(req->comm_is_latency_bounded.comm);
 220       SIMIX_request_answer(req);
 221       break;
 222 #endif
 223
 224     case REQ_RDV_CREATE:
 225       req->rdv_create.result = SIMIX_rdv_create(req->rdv_create.name);
 226       SIMIX_request_answer(req);
 227       break;
 228
 229     case REQ_RDV_DESTROY:
 230       SIMIX_rdv_destroy(req->rdv_destroy.rdv);
 231       SIMIX_request_answer(req);
 232       break;
 233
 234     case REQ_RDV_GEY_BY_NAME:
 235       req->rdv_get_by_name.result =
 236         SIMIX_rdv_get_by_name(req->rdv_get_by_name.name);
 237       SIMIX_request_answer(req);
 238       break;
 239
 240     case REQ_RDV_COMM_COUNT_BY_HOST:
 241       req->rdv_comm_count_by_host.result = SIMIX_rdv_comm_count_by_host(
 242           req->rdv_comm_count_by_host.rdv,
 243           req->rdv_comm_count_by_host.host);
 244       SIMIX_request_answer(req);
 245       break;
 246
 247     case REQ_RDV_GET_HEAD:
 248       req->rdv_get_head.result = SIMIX_rdv_get_head(req->rdv_get_head.rdv);
 249       SIMIX_request_answer(req);
 250       break;
 251
 252     case REQ_HOST_GET_BY_NAME:
 253       req->host_get_by_name.result =
 254         SIMIX_host_get_by_name(req->host_get_by_name.name);
 255       SIMIX_request_answer(req);
 256       break;
 257
 258     case REQ_HOST_GET_NAME:
 259       req->host_get_name.result =       SIMIX_host_get_name(req->host_get_name.host);
 260       SIMIX_request_answer(req);
 261       break;
 262
 263     case REQ_HOST_GET_PROPERTIES:
 264       req->host_get_properties.result =
 265         SIMIX_host_get_properties(req->host_get_properties.host);
 266       SIMIX_request_answer(req);
 267       break;
 268
 269     case REQ_HOST_GET_SPEED:
 270       req->host_get_speed.result =
 271         SIMIX_host_get_speed(req->host_get_speed.host);
 272       SIMIX_request_answer(req);
 273       break;
 274
 275     case REQ_HOST_GET_AVAILABLE_SPEED:
 276       req->host_get_available_speed.result =
 277         SIMIX_host_get_available_speed(req->host_get_available_speed.host);
 278       SIMIX_request_answer(req);
 279       break;
 280
 281     case REQ_HOST_GET_STATE:
 282       req->host_get_state.result =
 283         SIMIX_host_get_state(req->host_get_state.host);
 284       SIMIX_request_answer(req);
 285       break;
 286
 287     case REQ_HOST_GET_DATA:
 288       req->host_get_data.result =       SIMIX_host_get_data(req->host_get_data.host);
 289       SIMIX_request_answer(req);
 290       break;
 291
 292     case REQ_HOST_SET_DATA:
 293       SIMIX_host_set_data(req->host_set_data.host, req->host_set_data.data);
 294       SIMIX_request_answer(req);
 295       break;
 296
 297     case REQ_HOST_EXECUTE:
 298       req->host_execute.result = SIMIX_host_execute(
 299           req->host_execute.name,
 300           req->host_execute.host,
 301           req->host_execute.computation_amount,
 302           req->host_execute.priority);
 303       SIMIX_request_answer(req);
 304       break;
 305
 306     case REQ_HOST_PARALLEL_EXECUTE:
 307       req->host_parallel_execute.result = SIMIX_host_parallel_execute(
 308           req->host_parallel_execute.name,
 309           req->host_parallel_execute.host_nb,
 310           req->host_parallel_execute.host_list,
 311           req->host_parallel_execute.computation_amount,
 312           req->host_parallel_execute.communication_amount,
 313           req->host_parallel_execute.amount,
 314           req->host_parallel_execute.rate);
 315       SIMIX_request_answer(req);
 316       break;
 317
 318     case REQ_HOST_EXECUTION_DESTROY:
 319       SIMIX_host_execution_destroy(req->host_execution_destroy.execution);
 320       SIMIX_request_answer(req);
 321       break;
 322
 323     case REQ_HOST_EXECUTION_CANCEL:
 324       SIMIX_host_execution_cancel(req->host_execution_cancel.execution);
 325       SIMIX_request_answer(req);
 326       break;
 327
 328     case REQ_HOST_EXECUTION_GET_REMAINS:
 329       req->host_execution_get_remains.result =
 330         SIMIX_host_execution_get_remains(req->host_execution_get_remains.execution);
 331       SIMIX_request_answer(req);
 332       break;
 333
 334     case REQ_HOST_EXECUTION_GET_STATE:
 335       req->host_execution_get_state.result =
 336         SIMIX_host_execution_get_state(req->host_execution_get_state.execution);
 337       SIMIX_request_answer(req);
 338       break;
 339
 340     case REQ_HOST_EXECUTION_SET_PRIORITY:
 341       SIMIX_host_execution_set_priority(
 342           req->host_execution_set_priority.execution,
 343           req->host_execution_set_priority.priority);
 344       SIMIX_request_answer(req);
 345       break;
 346
 347     case REQ_HOST_EXECUTION_WAIT:
 348       SIMIX_pre_host_execution_wait(req);
 349       break;
 350
 351     case REQ_PROCESS_CREATE:
 352       SIMIX_process_create(
 353           req->process_create.process,
 354           req->process_create.name,
 355           req->process_create.code,
 356           req->process_create.data,
 357           req->process_create.hostname,
 358           req->process_create.argc,
 359           req->process_create.argv,
 360           req->process_create.properties);
 361       SIMIX_request_answer(req);
 362       break;
 363
 364     case REQ_PROCESS_KILL:
 365       SIMIX_process_kill(req->process_kill.process, req->issuer);
 366       SIMIX_request_answer(req);
 367       break;
 368
 369     case REQ_PROCESS_CLEANUP:
 370       SIMIX_process_cleanup(req->process_cleanup.process);
 371       SIMIX_request_answer(req);
 372       break;
 373
 374     case REQ_PROCESS_CHANGE_HOST:
 375       SIMIX_process_change_host(
 376           req->process_change_host.process,
 377           req->process_change_host.source,
 378           req->process_change_host.dest);
 379       SIMIX_request_answer(req);
 380       break;
 381
 382     case REQ_PROCESS_SUSPEND:
 383       SIMIX_pre_process_suspend(req);
 384       break;
 385
 386     case REQ_PROCESS_RESUME:
 387       SIMIX_process_resume(req->process_resume.process, req->issuer);
 388       SIMIX_request_answer(req);
 389       break;
 390
 391     case REQ_PROCESS_COUNT:
 392       req->process_count.result = SIMIX_process_count();
 393       SIMIX_request_answer(req);
 394       break;
 395
 396     case REQ_PROCESS_GET_DATA:
 397       req->process_get_data.result =
 398         SIMIX_process_get_data(req->process_get_data.process);
 399       SIMIX_request_answer(req);
 400       break;
 401
 402     case REQ_PROCESS_SET_DATA:
 403       SIMIX_process_set_data(
 404           req->process_set_data.process,
 405           req->process_set_data.data);
 406       SIMIX_request_answer(req);
 407       break;
 408
 409     case REQ_PROCESS_GET_HOST:
 410       req->process_get_host.result = SIMIX_process_get_host(req->process_get_host.process);
 411       SIMIX_request_answer(req);
 412       break;
 413
 414     case REQ_PROCESS_GET_NAME:
 415       req->process_get_name.result = SIMIX_process_get_name(req->process_get_name.process);
 416       SIMIX_request_answer(req);
 417       break;
 418
 419     case REQ_PROCESS_IS_SUSPENDED:
 420       req->process_is_suspended.result =
 421         SIMIX_process_is_suspended(req->process_is_suspended.process);
 422       SIMIX_request_answer(req);
 423       break;
 424
 425     case REQ_PROCESS_GET_PROPERTIES:
 426       req->process_get_properties.result =
 427         SIMIX_process_get_properties(req->process_get_properties.process);
 428       SIMIX_request_answer(req);
 429       break;
 430
 431     case REQ_PROCESS_SLEEP:
 432       SIMIX_pre_process_sleep(req);
 433       break;
 434
 435 #ifdef HAVE_TRACING
 436     case REQ_SET_CATEGORY:
 437       SIMIX_set_category(
 438           req->set_category.action,
 439           req->set_category.category);
 440       SIMIX_request_answer(req);
 441       break;
 442 #endif
 443
 444     case REQ_MUTEX_INIT:
 445       req->mutex_init.result = SIMIX_mutex_init();
 446       SIMIX_request_answer(req);
 447       break;
 448
 449     case REQ_MUTEX_DESTROY:
 450       SIMIX_mutex_destroy(req->mutex_destroy.mutex);
 451       SIMIX_request_answer(req);
 452       break;
 453
 454     case REQ_MUTEX_LOCK:
 455       SIMIX_pre_mutex_lock(req);
 456       break;
 457
 458     case REQ_MUTEX_TRYLOCK:
 459       req->mutex_trylock.result =
 460               SIMIX_mutex_trylock(req->mutex_trylock.mutex, req->issuer);
 461       SIMIX_request_answer(req);
 462       break;
 463
 464     case REQ_MUTEX_UNLOCK:
 465       SIMIX_mutex_unlock(req->mutex_unlock.mutex, req->issuer);
 466       SIMIX_request_answer(req);
 467       break;
 468
 469     case REQ_COND_INIT:
 470       req->cond_init.result = SIMIX_cond_init();
 471       SIMIX_request_answer(req);
 472       break;
 473
 474     case REQ_COND_DESTROY:
 475       SIMIX_cond_destroy(req->cond_destroy.cond);
 476       SIMIX_request_answer(req);
 477       break;
 478
 479     case REQ_COND_SIGNAL:
 480       SIMIX_cond_signal(req->cond_signal.cond);
 481       SIMIX_request_answer(req);
 482       break;
 483
 484     case REQ_COND_WAIT:
 485       SIMIX_pre_cond_wait(req);
 486       break;
 487
 488     case REQ_COND_WAIT_TIMEOUT:
 489       SIMIX_pre_cond_wait_timeout(req);
 490       break;
 491
 492     case REQ_COND_BROADCAST:
 493       SIMIX_cond_broadcast(req->cond_broadcast.cond);
 494       SIMIX_request_answer(req);
 495       break;
 496
 497     case REQ_SEM_INIT:
 498       req->sem_init.result = SIMIX_sem_init(req->sem_init.capacity);
 499       SIMIX_request_answer(req);
 500       break;
 501
 502     case REQ_SEM_DESTROY:
 503       SIMIX_sem_destroy(req->sem_destroy.sem);
 504       SIMIX_request_answer(req);
 505       break;
 506
 507     case REQ_SEM_RELEASE:
 508       SIMIX_sem_release(req->sem_release.sem);
 509       SIMIX_request_answer(req);
 510       break;
 511
 512     case REQ_SEM_WOULD_BLOCK:
 513       req->sem_would_block.result =
 514         SIMIX_sem_would_block(req->sem_would_block.sem);
 515       SIMIX_request_answer(req);
 516       break;
 517
 518     case REQ_SEM_ACQUIRE:
 519       SIMIX_pre_sem_acquire(req);
 520       break;
 521
 522     case REQ_SEM_ACQUIRE_TIMEOUT:
 523       SIMIX_pre_sem_acquire_timeout(req);
 524       break;
 525
 526     case REQ_SEM_GET_CAPACITY:
 527       req->sem_get_capacity.result =
 528         SIMIX_sem_get_capacity(req->sem_get_capacity.sem);
 529       SIMIX_request_answer(req);
 530       break;
 531
 532     case REQ_NO_REQ:
 533       THROW2(arg_error,0,"Asked to do the noop syscall on %s@%s",
 534           SIMIX_process_get_name(req->issuer),
 535           SIMIX_host_get_name(SIMIX_process_get_host(req->issuer))
 536           );
 537       break;
 538   }
 539 }
 540
 541 void SIMIX_request_post(smx_action_t action)
 542 {
 543   switch (action->type) {
 544
 545     case SIMIX_ACTION_EXECUTE:
 546     case SIMIX_ACTION_PARALLEL_EXECUTE:
 547       SIMIX_post_host_execute(action);
 548       break;
 549
 550     case SIMIX_ACTION_COMMUNICATE:
 551       SIMIX_post_comm(action);
 552       break;
 553
 554     case SIMIX_ACTION_SLEEP:
 555       SIMIX_post_process_sleep(action);
 556       break;
 557
 558     case SIMIX_ACTION_SYNCHRO:
 559       SIMIX_post_synchro(action);
 560       break;
 561
 562     case SIMIX_ACTION_IO:
 563       break;
 564   }
 565 }