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     DEBUG3("Pushed request %s (%d) of %s",
  56         SIMIX_request_name(issuer->request.call), issuer->request.call,
  57         issuer->name);
  58
  59     DEBUG3("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       DEBUG3("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     DEBUG2("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, value);
 109       break;
 110
 111     case REQ_COMM_WAITANY:
 112       SIMIX_pre_comm_waitany(req, value);
 113       break;
 114
 115     case REQ_COMM_ISEND:
 116       req->comm_isend.result = SIMIX_comm_isend(
 117           req->issuer,
 118           req->comm_isend.rdv,
 119           req->comm_isend.task_size,
 120           req->comm_isend.rate,
 121           req->comm_isend.src_buff,
 122           req->comm_isend.src_buff_size,
 123           req->comm_isend.match_fun,
 124           req->comm_isend.data,
 125           req->comm_isend.detached);
 126       SIMIX_request_answer(req);
 127       break;
 128
 129     case REQ_COMM_IRECV:
 130       req->comm_irecv.result = SIMIX_comm_irecv(
 131           req->issuer,
 132           req->comm_irecv.rdv,
 133           req->comm_irecv.dst_buff,
 134           req->comm_irecv.dst_buff_size,
 135           req->comm_irecv.match_fun,
 136           req->comm_irecv.data);
 137       SIMIX_request_answer(req);
 138       break;
 139
 140     case REQ_COMM_DESTROY:
 141       SIMIX_comm_destroy(req->comm_destroy.comm);
 142       SIMIX_request_answer(req);
 143       break;
 144
 145     case REQ_COMM_CANCEL:
 146       SIMIX_comm_cancel(req->comm_cancel.comm);
 147       SIMIX_request_answer(req);
 148       break;
 149
 150     case REQ_COMM_GET_REMAINS:
 151       req->comm_get_remains.result =
 152           SIMIX_comm_get_remains(req->comm_get_remains.comm);
 153       SIMIX_request_answer(req);
 154       break;
 155
 156     case REQ_COMM_GET_STATE:
 157       req->comm_get_state.result =
 158           SIMIX_comm_get_state(req->comm_get_state.comm);
 159       SIMIX_request_answer(req);
 160       break;
 161
 162     case REQ_COMM_GET_SRC_DATA:
 163       req->comm_get_src_data.result = SIMIX_comm_get_src_data(req->comm_get_src_data.comm);
 164       SIMIX_request_answer(req);
 165       break;
 166
 167     case REQ_COMM_GET_DST_DATA:
 168       req->comm_get_dst_data.result = SIMIX_comm_get_dst_data(req->comm_get_dst_data.comm);
 169       SIMIX_request_answer(req);
 170       break;
 171
 172     case REQ_COMM_GET_SRC_PROC:
 173       req->comm_get_src_proc.result =
 174           SIMIX_comm_get_src_proc(req->comm_get_src_proc.comm);
 175       SIMIX_request_answer(req);
 176       break;
 177
 178     case REQ_COMM_GET_DST_PROC:
 179       req->comm_get_dst_proc.result =
 180           SIMIX_comm_get_dst_proc(req->comm_get_dst_proc.comm);
 181       SIMIX_request_answer(req);
 182       break;
 183
 184 #ifdef HAVE_LATENCY_BOUND_TRACKING
 185     case REQ_COMM_IS_LATENCY_BOUNDED:
 186       req->comm_is_latency_bounded.result =
 187           SIMIX_comm_is_latency_bounded(req->comm_is_latency_bounded.comm);
 188       SIMIX_request_answer(req);
 189       break;
 190 #endif
 191
 192     case REQ_RDV_CREATE:
 193       req->rdv_create.result = SIMIX_rdv_create(req->rdv_create.name);
 194       SIMIX_request_answer(req);
 195       break;
 196
 197     case REQ_RDV_DESTROY:
 198       SIMIX_rdv_destroy(req->rdv_destroy.rdv);
 199       SIMIX_request_answer(req);
 200       break;
 201
 202     case REQ_RDV_GEY_BY_NAME:
 203       req->rdv_get_by_name.result =
 204         SIMIX_rdv_get_by_name(req->rdv_get_by_name.name);
 205       SIMIX_request_answer(req);
 206       break;
 207
 208     case REQ_RDV_COMM_COUNT_BY_HOST:
 209       req->rdv_comm_count_by_host.result = SIMIX_rdv_comm_count_by_host(
 210           req->rdv_comm_count_by_host.rdv,
 211           req->rdv_comm_count_by_host.host);
 212       SIMIX_request_answer(req);
 213       break;
 214
 215     case REQ_RDV_GET_HEAD:
 216       req->rdv_get_head.result = SIMIX_rdv_get_head(req->rdv_get_head.rdv);
 217       SIMIX_request_answer(req);
 218       break;
 219
 220     case REQ_HOST_GET_BY_NAME:
 221       req->host_get_by_name.result =
 222         SIMIX_host_get_by_name(req->host_get_by_name.name);
 223       SIMIX_request_answer(req);
 224       break;
 225
 226     case REQ_HOST_GET_NAME:
 227       req->host_get_name.result =       SIMIX_host_get_name(req->host_get_name.host);
 228       SIMIX_request_answer(req);
 229       break;
 230
 231     case REQ_HOST_GET_PROPERTIES:
 232       req->host_get_properties.result =
 233         SIMIX_host_get_properties(req->host_get_properties.host);
 234       SIMIX_request_answer(req);
 235       break;
 236
 237     case REQ_HOST_GET_SPEED:
 238       req->host_get_speed.result =
 239         SIMIX_host_get_speed(req->host_get_speed.host);
 240       SIMIX_request_answer(req);
 241       break;
 242
 243     case REQ_HOST_GET_AVAILABLE_SPEED:
 244       req->host_get_available_speed.result =
 245         SIMIX_host_get_available_speed(req->host_get_available_speed.host);
 246       SIMIX_request_answer(req);
 247       break;
 248
 249     case REQ_HOST_GET_STATE:
 250       req->host_get_state.result =
 251         SIMIX_host_get_state(req->host_get_state.host);
 252       SIMIX_request_answer(req);
 253       break;
 254
 255     case REQ_HOST_GET_DATA:
 256       req->host_get_data.result =       SIMIX_host_get_data(req->host_get_data.host);
 257       SIMIX_request_answer(req);
 258       break;
 259
 260     case REQ_HOST_SET_DATA:
 261       SIMIX_host_set_data(req->host_set_data.host, req->host_set_data.data);
 262       SIMIX_request_answer(req);
 263       break;
 264
 265     case REQ_HOST_EXECUTE:
 266       req->host_execute.result = SIMIX_host_execute(
 267           req->host_execute.name,
 268           req->host_execute.host,
 269           req->host_execute.computation_amount,
 270           req->host_execute.priority);
 271       SIMIX_request_answer(req);
 272       break;
 273
 274     case REQ_HOST_PARALLEL_EXECUTE:
 275       req->host_parallel_execute.result = SIMIX_host_parallel_execute(
 276           req->host_parallel_execute.name,
 277           req->host_parallel_execute.host_nb,
 278           req->host_parallel_execute.host_list,
 279           req->host_parallel_execute.computation_amount,
 280           req->host_parallel_execute.communication_amount,
 281           req->host_parallel_execute.amount,
 282           req->host_parallel_execute.rate);
 283       SIMIX_request_answer(req);
 284       break;
 285
 286     case REQ_HOST_EXECUTION_DESTROY:
 287       SIMIX_host_execution_destroy(req->host_execution_destroy.execution);
 288       SIMIX_request_answer(req);
 289       break;
 290
 291     case REQ_HOST_EXECUTION_CANCEL:
 292       SIMIX_host_execution_cancel(req->host_execution_cancel.execution);
 293       SIMIX_request_answer(req);
 294       break;
 295
 296     case REQ_HOST_EXECUTION_GET_REMAINS:
 297       req->host_execution_get_remains.result =
 298         SIMIX_host_execution_get_remains(req->host_execution_get_remains.execution);
 299       SIMIX_request_answer(req);
 300       break;
 301
 302     case REQ_HOST_EXECUTION_GET_STATE:
 303       req->host_execution_get_state.result =
 304         SIMIX_host_execution_get_state(req->host_execution_get_state.execution);
 305       SIMIX_request_answer(req);
 306       break;
 307
 308     case REQ_HOST_EXECUTION_SET_PRIORITY:
 309       SIMIX_host_execution_set_priority(
 310           req->host_execution_set_priority.execution,
 311           req->host_execution_set_priority.priority);
 312       SIMIX_request_answer(req);
 313       break;
 314
 315     case REQ_HOST_EXECUTION_WAIT:
 316       SIMIX_pre_host_execution_wait(req);
 317       break;
 318
 319     case REQ_PROCESS_CREATE:
 320       SIMIX_process_create(
 321           req->process_create.process,
 322           req->process_create.name,
 323           req->process_create.code,
 324           req->process_create.data,
 325           req->process_create.hostname,
 326           req->process_create.argc,
 327           req->process_create.argv,
 328           req->process_create.properties);
 329       SIMIX_request_answer(req);
 330       break;
 331
 332     case REQ_PROCESS_KILL:
 333       SIMIX_process_kill(req->process_kill.process, req->issuer);
 334       SIMIX_request_answer(req);
 335       break;
 336
 337     case REQ_PROCESS_CHANGE_HOST:
 338       SIMIX_process_change_host(
 339           req->process_change_host.process,
 340           req->process_change_host.source,
 341           req->process_change_host.dest);
 342       SIMIX_request_answer(req);
 343       break;
 344
 345     case REQ_PROCESS_SUSPEND:
 346       SIMIX_pre_process_suspend(req);
 347       break;
 348
 349     case REQ_PROCESS_RESUME:
 350       SIMIX_process_resume(req->process_resume.process, req->issuer);
 351       SIMIX_request_answer(req);
 352       break;
 353
 354     case REQ_PROCESS_COUNT:
 355       req->process_count.result = SIMIX_process_count();
 356       SIMIX_request_answer(req);
 357       break;
 358
 359     case REQ_PROCESS_GET_DATA:
 360       req->process_get_data.result =
 361         SIMIX_process_get_data(req->process_get_data.process);
 362       SIMIX_request_answer(req);
 363       break;
 364
 365     case REQ_PROCESS_SET_DATA:
 366       SIMIX_process_set_data(
 367           req->process_set_data.process,
 368           req->process_set_data.data);
 369       SIMIX_request_answer(req);
 370       break;
 371
 372     case REQ_PROCESS_GET_HOST:
 373       req->process_get_host.result = SIMIX_process_get_host(req->process_get_host.process);
 374       SIMIX_request_answer(req);
 375       break;
 376
 377     case REQ_PROCESS_GET_NAME:
 378       req->process_get_name.result = SIMIX_process_get_name(req->process_get_name.process);
 379       SIMIX_request_answer(req);
 380       break;
 381
 382     case REQ_PROCESS_IS_SUSPENDED:
 383       req->process_is_suspended.result =
 384         SIMIX_process_is_suspended(req->process_is_suspended.process);
 385       SIMIX_request_answer(req);
 386       break;
 387
 388     case REQ_PROCESS_GET_PROPERTIES:
 389       req->process_get_properties.result =
 390         SIMIX_process_get_properties(req->process_get_properties.process);
 391       SIMIX_request_answer(req);
 392       break;
 393
 394     case REQ_PROCESS_SLEEP:
 395       SIMIX_pre_process_sleep(req);
 396       break;
 397
 398 #ifdef HAVE_TRACING
 399     case REQ_SET_CATEGORY:
 400       SIMIX_set_category(
 401           req->set_category.action,
 402           req->set_category.category);
 403       SIMIX_request_answer(req);
 404       break;
 405 #endif
 406
 407     case REQ_MUTEX_INIT:
 408       req->mutex_init.result = SIMIX_mutex_init();
 409       SIMIX_request_answer(req);
 410       break;
 411
 412     case REQ_MUTEX_DESTROY:
 413       SIMIX_mutex_destroy(req->mutex_destroy.mutex);
 414       SIMIX_request_answer(req);
 415       break;
 416
 417     case REQ_MUTEX_LOCK:
 418       SIMIX_pre_mutex_lock(req);
 419       break;
 420
 421     case REQ_MUTEX_TRYLOCK:
 422       req->mutex_trylock.result =
 423               SIMIX_mutex_trylock(req->mutex_trylock.mutex, req->issuer);
 424       SIMIX_request_answer(req);
 425       break;
 426
 427     case REQ_MUTEX_UNLOCK:
 428       SIMIX_mutex_unlock(req->mutex_unlock.mutex, req->issuer);
 429       SIMIX_request_answer(req);
 430       break;
 431
 432     case REQ_COND_INIT:
 433       req->cond_init.result = SIMIX_cond_init();
 434       SIMIX_request_answer(req);
 435       break;
 436
 437     case REQ_COND_DESTROY:
 438       SIMIX_cond_destroy(req->cond_destroy.cond);
 439       SIMIX_request_answer(req);
 440       break;
 441
 442     case REQ_COND_SIGNAL:
 443       SIMIX_cond_signal(req->cond_signal.cond);
 444       SIMIX_request_answer(req);
 445       break;
 446
 447     case REQ_COND_WAIT:
 448       SIMIX_pre_cond_wait(req);
 449       break;
 450
 451     case REQ_COND_WAIT_TIMEOUT:
 452       SIMIX_pre_cond_wait_timeout(req);
 453       break;
 454
 455     case REQ_COND_BROADCAST:
 456       SIMIX_cond_broadcast(req->cond_broadcast.cond);
 457       SIMIX_request_answer(req);
 458       break;
 459
 460     case REQ_SEM_INIT:
 461       req->sem_init.result = SIMIX_sem_init(req->sem_init.capacity);
 462       SIMIX_request_answer(req);
 463       break;
 464
 465     case REQ_SEM_DESTROY:
 466       SIMIX_sem_destroy(req->sem_destroy.sem);
 467       SIMIX_request_answer(req);
 468       break;
 469
 470     case REQ_SEM_RELEASE:
 471       SIMIX_sem_release(req->sem_release.sem);
 472       SIMIX_request_answer(req);
 473       break;
 474
 475     case REQ_SEM_WOULD_BLOCK:
 476       req->sem_would_block.result =
 477         SIMIX_sem_would_block(req->sem_would_block.sem);
 478       SIMIX_request_answer(req);
 479       break;
 480
 481     case REQ_SEM_ACQUIRE:
 482       SIMIX_pre_sem_acquire(req);
 483       break;
 484
 485     case REQ_SEM_ACQUIRE_TIMEOUT:
 486       SIMIX_pre_sem_acquire_timeout(req);
 487       break;
 488
 489     case REQ_SEM_GET_CAPACITY:
 490       req->sem_get_capacity.result =
 491         SIMIX_sem_get_capacity(req->sem_get_capacity.sem);
 492       SIMIX_request_answer(req);
 493       break;
 494
 495     case REQ_NO_REQ:
 496       THROW2(arg_error,0,"Asked to do the noop syscall on %s@%s",
 497           SIMIX_process_get_name(req->issuer),
 498           SIMIX_host_get_name(SIMIX_process_get_host(req->issuer))
 499           );
 500       break;
 501   }
 502 }
 503
 504 void SIMIX_request_post(smx_action_t action)
 505 {
 506   switch (action->type) {
 507
 508     case SIMIX_ACTION_EXECUTE:
 509     case SIMIX_ACTION_PARALLEL_EXECUTE:
 510       SIMIX_post_host_execute(action);
 511       break;
 512
 513     case SIMIX_ACTION_COMMUNICATE:
 514       SIMIX_post_comm(action);
 515       break;
 516
 517     case SIMIX_ACTION_SLEEP:
 518       SIMIX_post_process_sleep(action);
 519       break;
 520
 521     case SIMIX_ACTION_SYNCHRO:
 522       SIMIX_post_synchro(action);
 523       break;
 524
 525     case SIMIX_ACTION_IO:
 526       break;
 527   }
 528 }