X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/004ae4fc095dad41016321600e4fcd720ad3d26b..9a5574731344888766ce5e6c58c957d6513a10a1:/src/msg/msg_gos.c diff --git a/src/msg/msg_gos.c b/src/msg/msg_gos.c index 9f2156eace..dbf0eac49c 100644 --- a/src/msg/msg_gos.c +++ b/src/msg/msg_gos.c @@ -1,4 +1,5 @@ -/* Copyright (c) 2004-2012. The SimGrid Team. All rights reserved. */ +/* Copyright (c) 2004-2014. The SimGrid Team. + * All rights reserved. */ /* This program is free software; you can redistribute it and/or modify it * under the terms of the license (GNU LGPL) which comes with this package. */ @@ -23,7 +24,15 @@ XBT_LOG_NEW_DEFAULT_SUBCATEGORY(msg_gos, msg, */ 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 @@ -74,10 +83,16 @@ msg_error_t MSG_parallel_task_execute(msg_task_t task) 1.0, -1.0); XBT_DEBUG("Parallel execution action created: %p", simdata->compute); } else { + unsigned long affinity_mask = (unsigned long) 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_host_execute(task->name, - p_simdata->m_host->smx_host, + p_simdata->m_host, simdata->computation_amount, - simdata->priority); + simdata->priority, + simdata->bound, + affinity_mask + ); } #ifdef HAVE_TRACING @@ -98,6 +113,9 @@ msg_error_t MSG_parallel_task_execute(msg_task_t task) case cancel_error: status = MSG_TASK_CANCELED; break; + case host_error: + status = MSG_HOST_FAILURE; + break; default: RETHROW; } @@ -125,6 +143,7 @@ msg_error_t MSG_parallel_task_execute(msg_task_t task) */ msg_error_t MSG_process_sleep(double nb_sec) { + xbt_ex_t e; msg_error_t status = MSG_OK; /*msg_process_t proc = MSG_process_self();*/ @@ -137,10 +156,22 @@ msg_error_t MSG_process_sleep(double nb_sec) /*proc->simdata->waiting_action = act_sleep; FIXME: check if not setting the waiting_action breaks something on msg - + proc->simdata->waiting_action = NULL;*/ - simcall_process_sleep(nb_sec); + TRY { + simcall_process_sleep(nb_sec); + } + CATCH(e) { + switch (e.category) { + case cancel_error: + status = MSG_TASK_CANCELED; + break; + default: + RETHROW; + } + xbt_ex_free(e); + } #ifdef HAVE_TRACING TRACE_msg_process_sleep_out(MSG_process_self()); @@ -186,6 +217,26 @@ MSG_task_receive_from_host(msg_task_t * task, const char *alias, return MSG_task_receive_ext(task, alias, -1, host); } +/** msg_task_usage + *\brief Deprecated function that used to receive a task from a mailbox from a specific host + *\brief at a given rate + * + * \param task a memory location for storing a #msg_task_t. + * \param alias name of the mailbox to receive the task from + * \param host a #msg_host_t host from where the task was sent + * \param rate limit the reception to rate bandwidth + * + * \return Returns + * #MSG_OK if the task was successfully received, + * #MSG_HOST_FAILURE, or #MSG_TRANSFER_FAILURE otherwise. + */ +msg_error_t +MSG_task_receive_from_host_bounded(msg_task_t * task, const char *alias, + msg_host_t host, double rate) +{ + return MSG_task_receive_ext_bounded(task, alias, -1, host, rate); +} + /** \ingroup msg_task_usage * \brief Receives a task from a mailbox. * @@ -205,6 +256,23 @@ msg_error_t MSG_task_receive(msg_task_t * task, const char *alias) return MSG_task_receive_with_timeout(task, alias, -1); } +/** \ingroup msg_task_usage + * \brief Receives a task from a mailbox at a given rate. + * + * \param task a memory location for storing a #msg_task_t. + * \param alias name of the mailbox to receive the task from + * \param rate limit the reception to rate bandwidth + * + * \return Returns + * #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) +{ + return MSG_task_receive_with_timeout_bounded(task, alias, -1, rate); +} + /** \ingroup msg_task_usage * \brief Receives a task from a mailbox with a given timeout. * @@ -228,6 +296,25 @@ MSG_task_receive_with_timeout(msg_task_t * task, const char *alias, return MSG_task_receive_ext(task, alias, timeout, NULL); } +/** \ingroup msg_task_usage + * \brief Receives a task from a mailbox with a given timeout and at a given rate. + * + * \param task a memory location for storing a #msg_task_t. + * \param alias name of the mailbox to receive the task from + * \param timeout is the maximum wait time for completion (if -1, this call is the same as #MSG_task_receive) + * \param rate limit the reception to rate bandwidth + * + * \return Returns + * #MSG_OK if the task was successfully received, + * #MSG_HOST_FAILURE, or #MSG_TRANSFER_FAILURE, or #MSG_TIMEOUT otherwise. + */ +msg_error_t +MSG_task_receive_with_timeout_bounded(msg_task_t * task, const char *alias, + double timeout,double rate) +{ + return MSG_task_receive_ext_bounded(task, alias, timeout, NULL, rate); +} + /** \ingroup msg_task_usage * \brief Receives a task from a mailbox from a specific host with a given timeout. * @@ -249,46 +336,61 @@ msg_error_t MSG_task_receive_ext(msg_task_t * task, const char *alias, double timeout, msg_host_t host) { + xbt_ex_t e; + msg_error_t ret = MSG_OK; XBT_DEBUG ("MSG_task_receive_ext: Trying to receive a message on mailbox '%s'", alias); - return MSG_mailbox_get_task_ext(MSG_mailbox_get_by_alias(alias), task, - host, timeout); + TRY { + ret = MSG_mailbox_get_task_ext(MSG_mailbox_get_by_alias(alias), task, + host, timeout); + } + CATCH(e) { + switch (e.category) { + case cancel_error: /* may be thrown by MSG_mailbox_get_by_alias */ + ret = MSG_HOST_FAILURE; + break; + default: + RETHROW; + } + xbt_ex_free(e); + } + return ret; } /** \ingroup msg_task_usage - * \brief Sends a task on a mailbox. + * \brief Receives a task from a mailbox from a specific host with a given timeout + * and at a given rate. * - * 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. + * \param alias name of the mailbox to receive the task from + * \param timeout is the maximum wait time for completion (provide -1 for no timeout) + * \param host a #msg_host_t host from where the task was sent + * \param rate limit the reception to rate bandwidth * - * \param task a #msg_task_t to send on another location. - * \param alias name of the mailbox to sent the task to - * \return the msg_comm_t communication created + * \return Returns + * #MSG_OK if the task was successfully received, +* #MSG_HOST_FAILURE, or #MSG_TRANSFER_FAILURE, or #MSG_TIMEOUT otherwise. */ -msg_comm_t MSG_task_isend(msg_task_t task, const char *alias) +msg_error_t +MSG_task_receive_ext_bounded(msg_task_t * task, const char *alias, double timeout, + msg_host_t host, double rate) { - return MSG_task_isend_with_matching(task,alias,NULL,NULL); + 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); } -/** \ingroup msg_task_usage - * \brief Sends a task on a mailbox, with support for matching requests - * - * This is a non blocking function: use MSG_comm_wait() or MSG_comm_test() - * to end the communication. - * - * \param task a #msg_task_t to send on another location. - * \param alias name of the mailbox to sent the task to - * \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 - * \param match_data user provided data passed to match_fun - * \return the msg_comm_t communication created +/* Internal function used to factorize code between + * MSG_task_isend_with_matching() and MSG_task_dsend(). */ -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) +static XBT_INLINE +msg_comm_t MSG_task_isend_internal(msg_task_t task, const char *alias, + int (*match_fun)(void*,void*, smx_action_t), + void *match_data, void_f_pvoid_t cleanup, + int detached) { simdata_task_t t_simdata = NULL; msg_process_t process = MSG_process_self(); @@ -311,21 +413,27 @@ XBT_INLINE msg_comm_t MSG_task_isend_with_matching(msg_task_t task, const char * 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 + smx_action_t act = simcall_comm_isend(mailbox, t_simdata->message_size, + t_simdata->rate, task, sizeof(void *), + match_fun, cleanup, 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; + } #ifdef HAVE_TRACING + if (TRACE_is_enabled()) { + simcall_set_category(act, task->category); + } + if (call_end) TRACE_msg_task_put_end(); #endif @@ -333,6 +441,65 @@ XBT_INLINE msg_comm_t MSG_task_isend_with_matching(msg_task_t task, const char * return comm; } + +/** \ingroup msg_task_usage + * \brief Sends a task on a mailbox. + * + * This is a non blocking function: use MSG_comm_wait() or MSG_comm_test() + * to end the communication. + * + * \param task a #msg_task_t to send on another location. + * \param alias name of the mailbox to sent the task to + * \return the msg_comm_t communication created + */ +msg_comm_t MSG_task_isend(msg_task_t task, const char *alias) +{ + return MSG_task_isend_internal(task, alias, NULL, NULL, NULL, 0); +} + +/** \ingroup msg_task_usage + * \brief Sends a task on a mailbox with a maximum rate + * + * This is a non blocking function: use MSG_comm_wait() or MSG_comm_test() + * to end the communication. The maxrate parameter allows the application + * to limit the bandwidth utilization of network links when sending the task. + * + * \param task a #msg_task_t to send on another location. + * \param alias name of the mailbox to sent the task to + * \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) +{ + task->simdata->rate = maxrate; + return MSG_task_isend_internal(task, alias, NULL, NULL, NULL, 0); +} + + +/** \ingroup msg_task_usage + * \brief Sends a task on a mailbox, with support for matching requests + * + * This is a non blocking function: use MSG_comm_wait() or MSG_comm_test() + * to end the communication. + * + * \param task a #msg_task_t to send on another location. + * \param alias name of the mailbox to sent the task to + * \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 + * \param match_data user provided data passed to match_fun + * \return the msg_comm_t communication created + */ +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) +{ + return MSG_task_isend_internal(task, alias, match_fun, match_data, NULL, 0); +} + /** \ingroup msg_task_usage * \brief Sends a task on a mailbox. * @@ -352,40 +519,33 @@ XBT_INLINE msg_comm_t MSG_task_isend_with_matching(msg_task_t task, const char * */ 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 + MSG_task_isend_internal(task, alias, NULL, NULL, cleanup, 1); +} -#ifdef HAVE_TRACING - if (call_end) - TRACE_msg_task_put_end(); -#endif +/** \ingroup msg_task_usage + * \brief Sends a task on a mailbox with a maximal rate. + * + * This is a non blocking detached send function. + * Think of it as a best effort send. Keep in mind that the third parameter + * is only called if the communication fails. If the communication does work, + * it is responsibility of the receiver code to free anything related to + * the task, as usual. More details on this can be obtained on + * this thread + * in the SimGrid-user mailing list archive. + * + * \param task a #msg_task_t to send on another location. + * \param alias name of the mailbox to sent the task to + * \param cleanup a function to destroy the task if the + * 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) +{ + task->simdata->rate = maxrate; + MSG_task_dsend(task, alias, cleanup); } /** \ingroup msg_task_usage @@ -393,12 +553,27 @@ void MSG_task_dsend(msg_task_t task, const char *alias, void_f_pvoid_t cleanup) * * 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) +{ + return MSG_task_irecv_bounded(task, name, -1.0); +} + +/** \ingroup msg_task_usage + * \brief Starts listening for receiving a task from an asynchronous communication + * at a given rate. + * + * \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 + * \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) { smx_rdv_t rdv = MSG_mailbox_get_by_alias(name); @@ -416,7 +591,7 @@ msg_comm_t MSG_task_irecv(msg_task_t *task, const char *name) comm->task_sent = NULL; comm->task_received = task; comm->status = MSG_OK; - comm->s_comm = simcall_comm_irecv(rdv, task, NULL, NULL, NULL); + comm->s_comm = simcall_comm_irecv(rdv, task, NULL, NULL, NULL, rate); return comm; } @@ -433,6 +608,7 @@ int MSG_comm_test(msg_comm_t comm) { xbt_ex_t e; int finished = 0; + TRY { finished = simcall_comm_test(comm->s_comm); @@ -533,7 +709,7 @@ void MSG_comm_destroy(msg_comm_t comm) * * 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 */ @@ -743,6 +919,29 @@ MSG_task_send_with_timeout(msg_task_t task, const char *alias, task, timeout); } +/** \ingroup msg_task_usage + * \brief Sends a task to a mailbox with a timeout and with a maximum rate + * + * This is a blocking function, the execution flow will be blocked + * until the task is sent or the timeout is achieved. + * + * \param task the task to be sent + * \param alias the mailbox name to where the task is sent + * \param timeout is the maximum wait time for completion (if -1, this call is the same as #MSG_task_send) + * \param maxrate the maximum communication rate for sending this task + * + * \return Returns #MSG_OK if the task was successfully sent, + * #MSG_HOST_FAILURE, or #MSG_TRANSFER_FAILURE, or #MSG_TIMEOUT otherwise. + */ +msg_error_t +MSG_task_send_with_timeout_bounded(msg_task_t task, const char *alias, + double timeout, double maxrate) +{ + task->simdata->rate = maxrate; + return MSG_mailbox_put_with_timeout(MSG_mailbox_get_by_alias(alias), + task, timeout); +} + /** \ingroup msg_task_usage * \brief Check if there is a communication going on in a mailbox. * @@ -969,7 +1168,7 @@ MSG_task_put_with_timeout(msg_task_t task, msg_host_t dest, && (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);