-/* Copyright (c) 2004-2013. The SimGrid Team.
+/* Copyright (c) 2004-2015. The SimGrid Team.
* All rights reserved. */
/* This program is free software; you can redistribute it and/or modify it
*/
msg_error_t MSG_task_execute(msg_task_t task)
{
- return MSG_parallel_task_execute(task);
+ /* TODO: add this to other locations */
+ msg_host_t host = MSG_process_get_host(MSG_process_self());
+ MSG_host_add_task(host, task);
+
+ msg_error_t ret = MSG_parallel_task_execute(task);
+
+ MSG_host_del_task(host, task);
+
+ return ret;
}
/** \ingroup msg_task_usage
e_smx_state_t comp_state;
msg_error_t status = MSG_OK;
-#ifdef HAVE_TRACING
TRACE_msg_task_execute_start(task);
-#endif
xbt_assert((!simdata->compute) && (task->simdata->isused == 0),
"This task is executed somewhere else. Go fix your code! %d",
- task->simdata->isused);
+ task->simdata->isused!=NULL);
XBT_DEBUG("Computing on %s", MSG_process_get_name(MSG_process_self()));
- if (simdata->computation_amount == 0 && !simdata->host_nb) {
-#ifdef HAVE_TRACING
+ if (simdata->flops_amount == 0 && !simdata->host_nb) {
TRACE_msg_task_execute_end(task);
-#endif
return MSG_OK;
}
TRY {
-
- simdata->isused=1;
+ if (msg_global->debug_multiple_use)
+ MSG_BT(simdata->isused, "Using Backtrace");
+ else
+ simdata->isused = (void*)1;
if (simdata->host_nb > 0) {
- simdata->compute = simcall_host_parallel_execute(task->name,
+ simdata->compute = simcall_process_parallel_execute(task->name,
simdata->host_nb,
simdata->host_list,
- simdata->comp_amount,
- simdata->comm_amount,
+ simdata->flops_parallel_amount,
+ simdata->bytes_parallel_amount,
1.0, -1.0);
XBT_DEBUG("Parallel execution action created: %p", simdata->compute);
} else {
- simdata->compute = simcall_host_execute(task->name,
- p_simdata->m_host,
- simdata->computation_amount,
- simdata->priority);
+ unsigned long affinity_mask = (unsigned long)(uintptr_t) xbt_dict_get_or_null_ext(simdata->affinity_mask_db, (char *) p_simdata->m_host, sizeof(msg_host_t));
+ XBT_DEBUG("execute %s@%s with affinity(0x%04lx)", MSG_task_get_name(task), MSG_host_get_name(p_simdata->m_host), affinity_mask);
+
+ simdata->compute = simcall_process_execute(task->name,
+ simdata->flops_amount,
+ simdata->priority,
+ simdata->bound,
+ affinity_mask
+ );
}
-#ifdef HAVE_TRACING
simcall_set_category(simdata->compute, task->category);
-#endif
p_simdata->waiting_action = simdata->compute;
- comp_state = simcall_host_execution_wait(simdata->compute);
+ comp_state = simcall_process_execution_wait(simdata->compute);
p_simdata->waiting_action = NULL;
- simdata->isused=0;
+ if (msg_global->debug_multiple_use && simdata->isused!=0)
+ xbt_ex_free(*(xbt_ex_t*)simdata->isused);
+ simdata->isused = 0;
XBT_DEBUG("Execution task '%s' finished in state %d",
task->name, (int)comp_state);
}
/* action ended, set comm and compute = NULL, the actions is already destroyed
* in the main function */
- simdata->computation_amount = 0.0;
+ simdata->flops_amount = 0.0;
simdata->comm = NULL;
simdata->compute = NULL;
-#ifdef HAVE_TRACING
TRACE_msg_task_execute_end(task);
-#endif
MSG_RETURN(status);
}
msg_error_t status = MSG_OK;
/*msg_process_t proc = MSG_process_self();*/
-#ifdef HAVE_TRACING
TRACE_msg_process_sleep_in(MSG_process_self());
-#endif
-
- /* create action to sleep */
-
- /*proc->simdata->waiting_action = act_sleep;
-
- FIXME: check if not setting the waiting_action breaks something on msg
-
- proc->simdata->waiting_action = NULL;*/
TRY {
simcall_process_sleep(nb_sec);
CATCH(e) {
switch (e.category) {
case cancel_error:
+ XBT_DEBUG("According to the JAVA API, a sleep call should only deal with HostFailureException, WTF here ?");
+ // adsein: MSG_TASK_CANCELED is assigned when someone kills the process that made the sleep, this is not
+ // correct. For instance, when the node is turned off, the error should be MSG_HOST_FAILURE, which is by the way
+ // and according to the JAVA document, the only exception that can be triggered by MSG_Process_sleep call.
+ // To avoid possible impacts in the code, I just raised a host_failure exception for the moment in the JAVA code
+ // and did not change anythings at the C level.
+ // See comment in the jmsg_process.c file, function JNIEXPORT void JNICALL Java_org_simgrid_msg_Process_sleep(JNIEnv *env, jclass cls, jlong jmillis, jint jnanos)
status = MSG_TASK_CANCELED;
break;
default:
xbt_ex_free(e);
}
- #ifdef HAVE_TRACING
- TRACE_msg_process_sleep_out(MSG_process_self());
- #endif
+ TRACE_msg_process_sleep_out(MSG_process_self());
MSG_RETURN(status);
}
*/
msg_error_t
MSG_task_receive_from_host_bounded(msg_task_t * task, const char *alias,
- msg_host_t host, double rate)
+ msg_host_t host, double rate)
{
return MSG_task_receive_ext_bounded(task, alias, -1, host, rate);
}
* #MSG_OK if the task was successfully received,
* #MSG_HOST_FAILURE, or #MSG_TRANSFER_FAILURE otherwise.
*/
-msg_error_t MSG_task_receive_bounded(msg_task_t * task, const char *alias, double rate)
+msg_error_t MSG_task_receive_bounded(msg_task_t * task, const char *alias,
+ double rate)
{
return MSG_task_receive_with_timeout_bounded(task, alias, -1, rate);
}
*/
msg_error_t
MSG_task_receive_with_timeout_bounded(msg_task_t * task, const char *alias,
- double timeout,double rate)
+ double timeout,double rate)
{
- return MSG_task_receive_ext_bounded(task, alias, timeout, NULL,rate);
+ return MSG_task_receive_ext_bounded(task, alias, timeout, NULL, rate);
}
/** \ingroup msg_task_usage
*/
msg_error_t
MSG_task_receive_ext_bounded(msg_task_t * task, const char *alias, double timeout,
- msg_host_t host, double rate)
+ msg_host_t host, double rate)
{
XBT_DEBUG
("MSG_task_receive_ext: Trying to receive a message on mailbox '%s'",
alias);
return MSG_mailbox_get_task_ext_bounded(MSG_mailbox_get_by_alias(alias), task,
- host, timeout, rate);
+ host, timeout, rate);
+}
+
+/* Internal function used to factorize code between
+ * MSG_task_isend_with_matching() and MSG_task_dsend().
+ */
+static XBT_INLINE
+msg_comm_t MSG_task_isend_internal(msg_task_t task, const char *alias,
+ int (*match_fun)(void*,void*, smx_synchro_t),
+ void *match_data, void_f_pvoid_t cleanup,
+ int detached)
+{
+ simdata_task_t t_simdata = NULL;
+ msg_process_t process = MSG_process_self();
+ msg_mailbox_t mailbox = MSG_mailbox_get_by_alias(alias);
+ int call_end = TRACE_msg_task_put_start(task);
+
+ /* Prepare the task to send */
+ t_simdata = task->simdata;
+ t_simdata->sender = process;
+ t_simdata->source = ((simdata_process_t) SIMIX_process_self_get_data(process))->m_host;
+
+ if (t_simdata->isused != 0) {
+ if (msg_global->debug_multiple_use){
+ XBT_ERROR("This task is already used in there:");
+ xbt_backtrace_display(t_simdata->isused);
+ XBT_ERROR("And you try to reuse it from here:");
+ xbt_backtrace_display_current();
+ } else {
+ xbt_assert(t_simdata->isused == 0,
+ "This task is still being used somewhere else. You cannot send it now. Go fix your code! (use --cfg=msg/debug_multiple_use:on to get the backtrace of the other process)");
+ }
+ }
+
+ if (msg_global->debug_multiple_use)
+ MSG_BT(t_simdata->isused, "Using Backtrace");
+ else
+ t_simdata->isused = (void*)1;
+ t_simdata->comm = NULL;
+ msg_global->sent_msg++;
+
+ /* Send it by calling SIMIX network layer */
+ smx_synchro_t act = simcall_comm_isend(SIMIX_process_self(), mailbox, t_simdata->bytes_amount,
+ t_simdata->rate, task, sizeof(void *),
+ match_fun, cleanup, NULL, match_data,detached);
+ t_simdata->comm = act; /* FIXME: is the field t_simdata->comm still useful? */
+
+ msg_comm_t comm;
+ if (detached) {
+ comm = NULL;
+ } else {
+ comm = xbt_new0(s_msg_comm_t, 1);
+ comm->task_sent = task;
+ comm->task_received = NULL;
+ comm->status = MSG_OK;
+ comm->s_comm = act;
+ }
+
+ if (TRACE_is_enabled())
+ simcall_set_category(act, task->category);
+ if (call_end)
+ TRACE_msg_task_put_end();
+
+ return comm;
}
+
/** \ingroup msg_task_usage
* \brief Sends a task on a mailbox.
*
*/
msg_comm_t MSG_task_isend(msg_task_t task, const char *alias)
{
- return MSG_task_isend_with_matching(task,alias,NULL,NULL);
+ return MSG_task_isend_internal(task, alias, NULL, NULL, NULL, 0);
}
/** \ingroup msg_task_usage
* \param maxrate the maximum communication rate for sending this task .
* \return the msg_comm_t communication created
*/
-msg_comm_t MSG_task_isend_bounded(msg_task_t task, const char *alias, double maxrate)
+msg_comm_t MSG_task_isend_bounded(msg_task_t task, const char *alias,
+ double maxrate)
{
task->simdata->rate = maxrate;
- return MSG_task_isend_with_matching(task,alias,NULL,NULL);
+ return MSG_task_isend_internal(task, alias, NULL, NULL, NULL, 0);
}
* \param match_fun boolean function which parameters are:
* - match_data_provided_here
* - match_data_provided_by_other_side_if_any
- * - the_smx_action_describing_the_other_side
+ * - the_smx_synchro_describing_the_other_side
* \param match_data user provided data passed to match_fun
* \return the msg_comm_t communication created
*/
-XBT_INLINE msg_comm_t MSG_task_isend_with_matching(msg_task_t task, const char *alias,
- int (*match_fun)(void*,void*, smx_action_t),
- void *match_data)
+msg_comm_t MSG_task_isend_with_matching(msg_task_t task, const char *alias,
+ int (*match_fun)(void*, void*,
+ smx_synchro_t),
+ void *match_data)
{
- simdata_task_t t_simdata = NULL;
- msg_process_t process = MSG_process_self();
- msg_mailbox_t mailbox = MSG_mailbox_get_by_alias(alias);
-
-#ifdef HAVE_TRACING
- int call_end = TRACE_msg_task_put_start(task);
-#endif
-
- /* Prepare the task to send */
- t_simdata = task->simdata;
- t_simdata->sender = process;
- t_simdata->source = ((simdata_process_t) SIMIX_process_self_get_data(process))->m_host;
-
- xbt_assert(t_simdata->isused == 0,
- "This task is still being used somewhere else. You cannot send it now. Go fix your code!");
-
- t_simdata->isused = 1;
- t_simdata->comm = NULL;
- msg_global->sent_msg++;
-
- /* Send it by calling SIMIX network layer */
- msg_comm_t comm = xbt_new0(s_msg_comm_t, 1);
- comm->task_sent = task;
- comm->task_received = NULL;
- comm->status = MSG_OK;
- comm->s_comm =
- simcall_comm_isend(mailbox, t_simdata->message_size,
- t_simdata->rate, task, sizeof(void *), match_fun, NULL, match_data, 0);
- t_simdata->comm = comm->s_comm; /* FIXME: is the field t_simdata->comm still useful? */
-#ifdef HAVE_TRACING
- if (TRACE_is_enabled()) {
- simcall_set_category(comm->s_comm, task->category);
- }
-#endif
-
-#ifdef HAVE_TRACING
- if (call_end)
- TRACE_msg_task_put_end();
-#endif
-
- return comm;
+ return MSG_task_isend_internal(task, alias, match_fun, match_data, NULL, 0);
}
/** \ingroup msg_task_usage
*/
void MSG_task_dsend(msg_task_t task, const char *alias, void_f_pvoid_t cleanup)
{
- simdata_task_t t_simdata = NULL;
- msg_process_t process = MSG_process_self();
- msg_mailbox_t mailbox = MSG_mailbox_get_by_alias(alias);
-
- /* Prepare the task to send */
- t_simdata = task->simdata;
- t_simdata->sender = process;
- t_simdata->source = ((simdata_process_t) SIMIX_process_self_get_data(process))->m_host;
-
- xbt_assert(t_simdata->isused == 0,
- "This task is still being used somewhere else. You cannot send it now. Go fix your code!");
-
- t_simdata->isused = 1;
- t_simdata->comm = NULL;
- msg_global->sent_msg++;
-
-#ifdef HAVE_TRACING
- int call_end = TRACE_msg_task_put_start(task);
-#endif
-
- /* Send it by calling SIMIX network layer */
- smx_action_t comm = simcall_comm_isend(mailbox, t_simdata->message_size,
- t_simdata->rate, task, sizeof(void *), NULL, cleanup, NULL, 1);
- t_simdata->comm = comm;
-#ifdef HAVE_TRACING
- if (TRACE_is_enabled()) {
- simcall_set_category(comm, task->category);
- }
-#endif
-
-#ifdef HAVE_TRACING
- if (call_end)
- TRACE_msg_task_put_end();
-#endif
+ MSG_task_isend_internal(task, alias, NULL, NULL, cleanup, 1);
}
-
/** \ingroup msg_task_usage
* \brief Sends a task on a mailbox with a maximal rate.
*
* communication fails, e.g. MSG_task_destroy
* (if NULL, no function will be called)
* \param maxrate the maximum communication rate for sending this task
- *
+ *
*/
-void MSG_task_dsend_bounded(msg_task_t task, const char *alias, void_f_pvoid_t cleanup, double maxrate)
+void MSG_task_dsend_bounded(msg_task_t task, const char *alias,
+ void_f_pvoid_t cleanup, double maxrate)
{
task->simdata->rate = maxrate;
-
- simdata_task_t t_simdata = NULL;
- msg_process_t process = MSG_process_self();
- msg_mailbox_t mailbox = MSG_mailbox_get_by_alias(alias);
-
- /* Prepare the task to send */
- t_simdata = task->simdata;
- t_simdata->sender = process;
- t_simdata->source = ((simdata_process_t) SIMIX_process_self_get_data(process))->m_host;
-
- xbt_assert(t_simdata->isused == 0,
- "This task is still being used somewhere else. You cannot send it now. Go fix your code!");
-
- t_simdata->isused = 1;
- t_simdata->comm = NULL;
- msg_global->sent_msg++;
-
-#ifdef HAVE_TRACING
- int call_end = TRACE_msg_task_put_start(task);
-#endif
-
- /* Send it by calling SIMIX network layer */
- smx_action_t comm = simcall_comm_isend(mailbox, t_simdata->message_size,
- t_simdata->rate, task, sizeof(void *), NULL, cleanup, NULL, 1);
- t_simdata->comm = comm;
-#ifdef HAVE_TRACING
- if (TRACE_is_enabled()) {
- simcall_set_category(comm, task->category);
- }
-#endif
-
-#ifdef HAVE_TRACING
- if (call_end)
- TRACE_msg_task_put_end();
-#endif
+ MSG_task_dsend(task, alias, cleanup);
}
/** \ingroup msg_task_usage
*
* This is a non blocking function: use MSG_comm_wait() or MSG_comm_test()
* to end the communication.
- *
+ *
* \param task a memory location for storing a #msg_task_t. has to be valid until the end of the communication.
* \param name of the mailbox to receive the task on
* \return the msg_comm_t communication created
*/
msg_comm_t MSG_task_irecv(msg_task_t *task, const char *name)
{
- smx_rdv_t rdv = MSG_mailbox_get_by_alias(name);
-
- /* FIXME: these functions are not traceable */
-
- /* Sanity check */
- xbt_assert(task, "Null pointer for the task storage");
-
- if (*task)
- XBT_CRITICAL
- ("MSG_task_irecv() was asked to write in a non empty task struct.");
-
- /* Try to receive it by calling SIMIX network layer */
- msg_comm_t comm = xbt_new0(s_msg_comm_t, 1);
- comm->task_sent = NULL;
- comm->task_received = task;
- comm->status = MSG_OK;
- comm->s_comm = simcall_comm_irecv(rdv, task, NULL, NULL, NULL);
-
- return comm;
+ return MSG_task_irecv_bounded(task, name, -1.0);
}
/** \ingroup msg_task_usage
* \param rate limit the bandwidth to the given rate
* \return the msg_comm_t communication created
*/
-msg_comm_t MSG_task_irecv_bounded(msg_task_t *task, const char *name, double rate)
+msg_comm_t MSG_task_irecv_bounded(msg_task_t *task, const char *name,
+ double rate)
{
-
-
smx_rdv_t rdv = MSG_mailbox_get_by_alias(name);
/* FIXME: these functions are not traceable */
comm->task_sent = NULL;
comm->task_received = task;
comm->status = MSG_OK;
- comm->s_comm = simcall_comm_irecv_bounded(rdv, task, NULL, NULL, NULL, rate);
+ comm->s_comm = simcall_comm_irecv(MSG_process_self(), rdv, task, NULL, NULL, NULL, NULL, rate);
return comm;
}
if (finished && comm->task_received != NULL) {
/* I am the receiver */
+ if (msg_global->debug_multiple_use && (*comm->task_received)->simdata->isused!=0)
+ xbt_ex_free(*(xbt_ex_t*)(*comm->task_received)->simdata->isused);
(*comm->task_received)->simdata->isused = 0;
}
}
int finished_index = -1;
/* create the equivalent dynar with SIMIX objects */
- xbt_dynar_t s_comms = xbt_dynar_new(sizeof(smx_action_t), NULL);
+ xbt_dynar_t s_comms = xbt_dynar_new(sizeof(smx_synchro_t), NULL);
msg_comm_t comm;
unsigned int cursor;
xbt_dynar_foreach(comms, cursor, comm) {
if (status == MSG_OK && comm->task_received != NULL) {
/* I am the receiver */
+ if (msg_global->debug_multiple_use && (*comm->task_received)->simdata->isused!=0)
+ xbt_ex_free(*(xbt_ex_t*)(*comm->task_received)->simdata->isused);
(*comm->task_received)->simdata->isused = 0;
}
}
*
* It takes two parameters.
* \param comm the communication to wait.
- * \param timeout Wait until the communication terminates or the timeout
+ * \param timeout Wait until the communication terminates or the timeout
* occurs. You can provide a -1 timeout to obtain an infinite timeout.
* \return msg_error_t
*/
if (comm->task_received != NULL) {
/* I am the receiver */
+ if (msg_global->debug_multiple_use && (*comm->task_received)->simdata->isused!=0)
+ xbt_ex_free(*(xbt_ex_t*)(*comm->task_received)->simdata->isused);
(*comm->task_received)->simdata->isused = 0;
}
int finished_index = -1;
/* create the equivalent dynar with SIMIX objects */
- xbt_dynar_t s_comms = xbt_dynar_new(sizeof(smx_action_t), NULL);
+ xbt_dynar_t s_comms = xbt_dynar_new(sizeof(smx_synchro_t), NULL);
msg_comm_t comm;
unsigned int cursor;
xbt_dynar_foreach(comms, cursor, comm) {
if (comm->task_received != NULL) {
/* I am the receiver */
+ if (msg_global->debug_multiple_use && (*comm->task_received)->simdata->isused!=0)
+ xbt_ex_free(*(xbt_ex_t*)(*comm->task_received)->simdata->isused);
(*comm->task_received)->simdata->isused = 0;
}
* \param buff the data copied
* \param buff_size size of the buffer
*/
-void MSG_comm_copy_data_from_SIMIX(smx_action_t comm, void* buff, size_t buff_size) {
+void MSG_comm_copy_data_from_SIMIX(smx_synchro_t comm, void* buff, size_t buff_size) {
// copy the task
SIMIX_comm_copy_pointer_callback(comm, buff, buff_size);
*/
void MSG_task_set_category (msg_task_t task, const char *category)
{
-#ifdef HAVE_TRACING
TRACE_msg_set_task_category (task, category);
-#endif
}
/** \ingroup msg_task_usage
*/
const char *MSG_task_get_category (msg_task_t task)
{
-#ifdef HAVE_TRACING
return task->category;
-#else
- return NULL;
-#endif
}
/**
&& (channel < msg_global->max_channel), "Invalid channel %d",
channel);
- XBT_DEBUG("MSG_task_put_with_timout: Trying to send a task to '%s'", SIMIX_host_get_name(dest->smx_host));
+ XBT_DEBUG("MSG_task_put_with_timout: Trying to send a task to '%s'", MSG_host_get_name(dest));
return
MSG_mailbox_put_with_timeout(MSG_mailbox_get_by_channel
(dest, channel), task, timeout);