XBT_LOG_NEW_DEFAULT_SUBCATEGORY(simix_smurf, simix,
"Logging specific to SIMIX (SMURF)");
-static xbt_dynar_t req_vector;
-static xbt_os_mutex_t sync_req_vector;
+/* Requests to handle at the end of this round of scheduling user processes */
+static xbt_heap_t req_todo;
+/* to protect the write actions in the heap */
+static xbt_os_mutex_t sync_req_positions;
void SIMIX_request_init(void)
{
- sync_req_vector = xbt_os_mutex_init();
- req_vector = xbt_dynar_new(sizeof(void *), NULL);
+ req_todo = xbt_heap_new(5,NULL);
+ sync_req_positions = xbt_os_mutex_init();
}
void SIMIX_request_destroy(void)
{
- xbt_os_mutex_destroy(sync_req_vector);
- xbt_dynar_free(&req_vector);
+ xbt_heap_free(req_todo);
+ xbt_os_mutex_destroy(sync_req_positions);
}
-void SIMIX_request_push(smx_req_t req)
+/* FIXME: we may want to save the initialization of issuer... */
+XBT_INLINE smx_req_t SIMIX_req_mine() {
+ smx_process_t issuer = SIMIX_process_self();
+ return &issuer->request;
+}
+
+void SIMIX_request_push()
{
- req->issuer = SIMIX_process_self();
- if(req->issuer != simix_global->maestro_process){
- xbt_os_mutex_acquire(sync_req_vector);
- xbt_dynar_set_as(req_vector, req->issuer->pid, smx_req_t, req);
- xbt_os_mutex_release(sync_req_vector);
- req->issuer->request = req;
- DEBUG2("Yield process '%s' on request of type %d", req->issuer->name, req->call);
+ smx_process_t issuer = SIMIX_process_self();
+ if (issuer != simix_global->maestro_process){
+ issuer->request.issuer = issuer;
+
+ if (_surf_parallel_contexts)
+ xbt_os_mutex_acquire(sync_req_positions);
+ xbt_heap_push(req_todo,&issuer->request,issuer->pid);
+ DEBUG3("Pushed request %d of %s; now %d requests waiting",
+ issuer->request.call,issuer->name,xbt_heap_size(req_todo));
+ if (_surf_parallel_contexts)
+ xbt_os_mutex_release(sync_req_positions);
+
+ DEBUG2("Yield process '%s' on request of type %d", issuer->name, issuer->request.call);
SIMIX_process_yield();
- }else{
- SIMIX_request_pre(req);
+ } else {
+ SIMIX_request_pre(&issuer->request);
}
}
smx_req_t SIMIX_request_pop(void)
{
- smx_req_t request = NULL;
- xbt_os_mutex_acquire(sync_req_vector);
- while(xbt_dynar_length(req_vector)){
- request = xbt_dynar_pop_as(req_vector, smx_req_t);
- if(request)
- break;
- }
- xbt_os_mutex_release(sync_req_vector);
- return request;
+ return xbt_heap_pop(req_todo);
}
void SIMIX_request_answer(smx_req_t req)
{
- if(req->issuer != simix_global->maestro_process){
- req->issuer->request = NULL;
- xbt_swag_insert(req->issuer, simix_global->process_to_run);
+ if (req->issuer != simix_global->maestro_process){
+ req->issuer->request.call = REQ_NO_REQ;
+ xbt_dynar_push_as(simix_global->process_to_run, smx_process_t, req->issuer);
}
}
-int SIMIX_request_isVisible(smx_req_t req)
+int SIMIX_request_is_visible(smx_req_t req)
{
- if(req->call != REQ_COMM_ISEND && req->call != REQ_COMM_IRECV
- && req->call != REQ_COMM_WAIT && req->call != REQ_COMM_WAITANY
- && req->call != REQ_COMM_TEST)
- return FALSE;
- return TRUE;
+ return req->call == REQ_COMM_ISEND
+ || req->call == REQ_COMM_IRECV
+ || req->call == REQ_COMM_WAIT
+ || req->call == REQ_COMM_WAITANY
+ || req->call == REQ_COMM_TEST;
}
-int SIMIX_request_isEnabled(smx_req_t req)
+int SIMIX_request_is_enabled(smx_req_t req)
{
unsigned int index = 0;
smx_action_t act;
-
- switch(req->call){
+
+ switch (req->call) {
+
case REQ_COMM_WAIT:
- /*FIXME: check also that src and dst processes are not suspended */
- if(req->comm_wait.comm->comm.src_proc
+ /* FIXME: check also that src and dst processes are not suspended */
+ if (req->comm_wait.comm->comm.src_proc
&& req->comm_wait.comm->comm.dst_proc)
return TRUE;
return FALSE;
break;
-
+
case REQ_COMM_WAITANY:
xbt_dynar_foreach(req->comm_waitany.comms, index, act) {
if (act->comm.src_proc && act->comm.dst_proc){
void SIMIX_request_pre(smx_req_t req)
{
switch (req->call) {
+ case REQ_NO_REQ:
+ xbt_die("Asked to do the noop syscall");
+ break;
case REQ_HOST_GET_BY_NAME:
req->host_get_by_name.result =
SIMIX_host_get_by_name(req->host_get_by_name.name);
SIMIX_request_answer(req);
break;
+
case REQ_HOST_GET_NAME:
req->host_get_name.result = SIMIX_host_get_name(req->host_get_name.host);
SIMIX_request_answer(req);
break;
+
case REQ_HOST_GET_PROPERTIES:
req->host_get_properties.result =
SIMIX_host_get_properties(req->host_get_properties.host);
SIMIX_request_answer(req);
break;
+
case REQ_HOST_GET_SPEED:
req->host_get_speed.result =
SIMIX_host_get_speed(req->host_get_speed.host);
SIMIX_request_answer(req);
break;
+
case REQ_HOST_GET_AVAILABLE_SPEED:
req->host_get_available_speed.result =
SIMIX_host_get_available_speed(req->host_get_available_speed.host);
SIMIX_request_answer(req);
break;
+
case REQ_HOST_GET_STATE:
req->host_get_state.result =
SIMIX_host_get_state(req->host_get_state.host);
SIMIX_request_answer(req);
break;
+
case REQ_HOST_GET_DATA:
req->host_get_data.result = SIMIX_host_get_data(req->host_get_data.host);
SIMIX_request_answer(req);
break;
+
case REQ_HOST_SET_DATA:
SIMIX_host_set_data(req->host_set_data.host, req->host_set_data.data);
SIMIX_request_answer(req);
break;
+
case REQ_HOST_EXECUTE:
req->host_execute.result = SIMIX_host_execute(
req->host_execute.name,
req->host_execute.computation_amount);
SIMIX_request_answer(req);
break;
+
case REQ_HOST_PARALLEL_EXECUTE:
req->host_parallel_execute.result = SIMIX_host_parallel_execute(
req->host_parallel_execute.name,
req->host_parallel_execute.rate);
SIMIX_request_answer(req);
break;
+
case REQ_HOST_EXECUTION_DESTROY:
SIMIX_host_execution_destroy(req->host_execution_destroy.execution);
SIMIX_request_answer(req);
break;
+
case REQ_HOST_EXECUTION_CANCEL:
SIMIX_host_execution_cancel(req->host_execution_cancel.execution);
SIMIX_request_answer(req);
break;
+
case REQ_HOST_EXECUTION_GET_REMAINS:
req->host_execution_get_remains.result =
SIMIX_host_execution_get_remains(req->host_execution_get_remains.execution);
SIMIX_request_answer(req);
break;
+
case REQ_HOST_EXECUTION_GET_STATE:
req->host_execution_get_state.result =
SIMIX_host_execution_get_state(req->host_execution_get_state.execution);
SIMIX_request_answer(req);
break;
+
case REQ_HOST_EXECUTION_SET_PRIORITY:
SIMIX_host_execution_set_priority(
req->host_execution_set_priority.execution,
req->host_execution_set_priority.priority);
SIMIX_request_answer(req);
break;
+
case REQ_HOST_EXECUTION_WAIT:
SIMIX_pre_host_execution_wait(req);
break;
+
case REQ_PROCESS_CREATE:
req->process_create.result = SIMIX_process_create(
req->process_create.name,
req->process_create.properties);
SIMIX_request_answer(req);
break;
+
case REQ_PROCESS_KILL:
SIMIX_process_kill(req->process_kill.process, req->issuer);
SIMIX_request_answer(req);
break;
+
case REQ_PROCESS_CHANGE_HOST:
SIMIX_process_change_host(
req->process_change_host.process,
req->process_change_host.dest);
SIMIX_request_answer(req);
break;
+
case REQ_PROCESS_SUSPEND:
SIMIX_pre_process_suspend(req);
break;
+
case REQ_PROCESS_RESUME:
SIMIX_process_resume(req->process_resume.process, req->issuer);
SIMIX_request_answer(req);
break;
+
case REQ_PROCESS_COUNT:
req->process_count.result = SIMIX_process_count();
SIMIX_request_answer(req);
break;
+
case REQ_PROCESS_GET_DATA:
req->process_get_data.result =
SIMIX_process_get_data(req->process_get_data.process);
SIMIX_request_answer(req);
break;
+
case REQ_PROCESS_SET_DATA:
SIMIX_process_set_data(
req->process_set_data.process,
req->process_set_data.data);
SIMIX_request_answer(req);
break;
+
case REQ_PROCESS_GET_HOST:
req->process_get_host.result = SIMIX_process_get_host(req->process_get_host.process);
SIMIX_request_answer(req);
break;
+
case REQ_PROCESS_GET_NAME:
req->process_get_name.result = SIMIX_process_get_name(req->process_get_name.process);
SIMIX_request_answer(req);
break;
+
case REQ_PROCESS_IS_SUSPENDED:
req->process_is_suspended.result =
SIMIX_process_is_suspended(req->process_is_suspended.process);
SIMIX_request_answer(req);
break;
+
case REQ_PROCESS_GET_PROPERTIES:
req->process_get_properties.result =
SIMIX_process_get_properties(req->process_get_properties.process);
SIMIX_request_answer(req);
break;
+
case REQ_PROCESS_SLEEP:
SIMIX_pre_process_sleep(req);
break;
+
case REQ_RDV_CREATE:
req->rdv_create.result = SIMIX_rdv_create(req->rdv_create.name);
SIMIX_request_answer(req);
break;
+
case REQ_RDV_DESTROY:
SIMIX_rdv_destroy(req->rdv_destroy.rdv);
SIMIX_request_answer(req);
break;
+
case REQ_RDV_GEY_BY_NAME:
req->rdv_get_by_name.result =
SIMIX_rdv_get_by_name(req->rdv_get_by_name.name);
SIMIX_request_answer(req);
break;
+
case REQ_RDV_COMM_COUNT_BY_HOST:
req->rdv_comm_count_by_host.result = SIMIX_rdv_comm_count_by_host(
req->rdv_comm_count_by_host.rdv,
req->rdv_comm_count_by_host.host);
SIMIX_request_answer(req);
break;
+
case REQ_RDV_GET_HEAD:
req->rdv_get_head.result = SIMIX_rdv_get_head(req->rdv_get_head.rdv);
SIMIX_request_answer(req);
break;
+
case REQ_COMM_ISEND:
req->comm_isend.result = SIMIX_comm_isend(
req->issuer,
req->comm_isend.rate,
req->comm_isend.src_buff,
req->comm_isend.src_buff_size,
+ req->comm_isend.match_fun,
req->comm_isend.data);
SIMIX_request_answer(req);
break;
+
case REQ_COMM_IRECV:
req->comm_irecv.result = SIMIX_comm_irecv(
req->issuer,
req->comm_irecv.rdv,
req->comm_irecv.dst_buff,
- req->comm_irecv.dst_buff_size);
+ req->comm_irecv.dst_buff_size,
+ req->comm_irecv.match_fun,
+ req->comm_irecv.data);
SIMIX_request_answer(req);
break;
+
case REQ_COMM_DESTROY:
SIMIX_comm_destroy(req->comm_destroy.comm);
SIMIX_request_answer(req);
break;
+
case REQ_COMM_CANCEL:
SIMIX_comm_cancel(req->comm_cancel.comm);
SIMIX_request_answer(req);
break;
+
case REQ_COMM_WAITANY:
SIMIX_pre_comm_waitany(req);
break;
+
case REQ_COMM_WAIT:
SIMIX_pre_comm_wait(req);
break;
+
case REQ_COMM_TEST:
SIMIX_pre_comm_test(req);
break;
+
+ case REQ_COMM_TESTANY:
+ SIMIX_pre_comm_testany(req);
+ break;
+
case REQ_COMM_GET_REMAINS:
req->comm_get_remains.result =
SIMIX_comm_get_remains(req->comm_get_remains.comm);
SIMIX_request_answer(req);
break;
+
case REQ_COMM_GET_STATE:
req->comm_get_state.result =
SIMIX_comm_get_state(req->comm_get_state.comm);
SIMIX_request_answer(req);
break;
- case REQ_COMM_GET_DATA:
- req->comm_get_data.result = SIMIX_comm_get_data(req->comm_get_data.comm);
+
+ case REQ_COMM_GET_SRC_DATA:
+ req->comm_get_src_data.result = SIMIX_comm_get_src_data(req->comm_get_src_data.comm);
+ SIMIX_request_answer(req);
+ break;
+
+ case REQ_COMM_GET_DST_DATA:
+ req->comm_get_dst_data.result = SIMIX_comm_get_dst_data(req->comm_get_dst_data.comm);
SIMIX_request_answer(req);
break;
+
case REQ_COMM_GET_SRC_BUFF:
req->comm_get_src_buff.result =
SIMIX_comm_get_src_buff(req->comm_get_src_buff.comm);
SIMIX_request_answer(req);
break;
+
case REQ_COMM_GET_DST_BUFF:
req->comm_get_dst_buff.result =
SIMIX_comm_get_dst_buff(req->comm_get_dst_buff.comm);
SIMIX_request_answer(req);
break;
+
case REQ_COMM_GET_SRC_BUFF_SIZE:
req->comm_get_src_buff_size.result =
SIMIX_comm_get_src_buff_size(req->comm_get_src_buff_size.comm);
SIMIX_request_answer(req);
break;
+
case REQ_COMM_GET_DST_BUFF_SIZE:
req->comm_get_dst_buff_size.result =
SIMIX_comm_get_dst_buff_size(req->comm_get_dst_buff_size.comm);
SIMIX_request_answer(req);
break;
+
case REQ_COMM_GET_SRC_PROC:
req->comm_get_src_proc.result =
SIMIX_comm_get_src_proc(req->comm_get_src_proc.comm);
SIMIX_request_answer(req);
break;
+
case REQ_COMM_GET_DST_PROC:
req->comm_get_dst_proc.result =
SIMIX_comm_get_dst_proc(req->comm_get_dst_proc.comm);
SIMIX_request_answer(req);
break;
+
#ifdef HAVE_LATENCY_BOUND_TRACKING
case REQ_COMM_IS_LATENCY_BOUNDED:
req->comm_is_latency_bounded.result =
SIMIX_request_answer(req);
break;
#endif
+
+#ifdef HAVE_TRACING
+ case REQ_SET_CATEGORY:
+ SIMIX_set_category(
+ req->set_category.action,
+ req->set_category.category);
+ SIMIX_request_answer(req);
+ break;
+#endif
+
case REQ_MUTEX_INIT:
req->mutex_init.result = SIMIX_mutex_init();
SIMIX_request_answer(req);
break;
+
case REQ_MUTEX_DESTROY:
SIMIX_mutex_destroy(req->mutex_destroy.mutex);
SIMIX_request_answer(req);
break;
+
case REQ_MUTEX_LOCK:
SIMIX_pre_mutex_lock(req);
break;
+
case REQ_MUTEX_TRYLOCK:
req->mutex_trylock.result =
SIMIX_mutex_trylock(req->mutex_trylock.mutex, req->issuer);
SIMIX_request_answer(req);
break;
+
case REQ_MUTEX_UNLOCK:
SIMIX_mutex_unlock(req->mutex_unlock.mutex, req->issuer);
SIMIX_request_answer(req);
break;
+
case REQ_COND_INIT:
req->cond_init.result = SIMIX_cond_init();
SIMIX_request_answer(req);
break;
+
case REQ_COND_DESTROY:
SIMIX_cond_destroy(req->cond_destroy.cond);
SIMIX_request_answer(req);
break;
+
case REQ_COND_SIGNAL:
SIMIX_cond_signal(req->cond_signal.cond);
SIMIX_request_answer(req);
break;
+
case REQ_COND_WAIT:
SIMIX_pre_cond_wait(req);
break;
+
case REQ_COND_WAIT_TIMEOUT:
SIMIX_pre_cond_wait_timeout(req);
break;
+
case REQ_COND_BROADCAST:
SIMIX_cond_broadcast(req->cond_broadcast.cond);
SIMIX_request_answer(req);
break;
+
case REQ_SEM_INIT:
req->sem_init.result = SIMIX_sem_init(req->sem_init.capacity);
SIMIX_request_answer(req);
break;
+
case REQ_SEM_DESTROY:
SIMIX_sem_destroy(req->sem_destroy.sem);
SIMIX_request_answer(req);
break;
+
case REQ_SEM_RELEASE:
SIMIX_sem_release(req->sem_release.sem);
SIMIX_request_answer(req);
break;
+
case REQ_SEM_WOULD_BLOCK:
req->sem_would_block.result =
SIMIX_sem_would_block(req->sem_would_block.sem);
SIMIX_request_answer(req);
break;
+
case REQ_SEM_ACQUIRE:
SIMIX_pre_sem_acquire(req);
break;
+
case REQ_SEM_ACQUIRE_TIMEOUT:
SIMIX_pre_sem_acquire_timeout(req);
break;
+
case REQ_SEM_GET_CAPACITY:
req->sem_get_capacity.result =
SIMIX_sem_get_capacity(req->sem_get_capacity.sem);
void SIMIX_request_post(smx_action_t action)
{
- switch(action->type) {
+ switch (action->type) {
+
case SIMIX_ACTION_EXECUTE:
case SIMIX_ACTION_PARALLEL_EXECUTE:
SIMIX_post_host_execute(action);
break;
+
case SIMIX_ACTION_COMMUNICATE:
SIMIX_post_comm(action);
break;
+
case SIMIX_ACTION_SLEEP:
SIMIX_post_process_sleep(action);
break;
+
case SIMIX_ACTION_SYNCHRO:
SIMIX_post_synchro(action);
break;
+
case SIMIX_ACTION_IO:
break;
}