-/* $Id$ */
-
-/* Copyright (c) 2002,2003,2004 Arnaud Legrand. All rights reserved. */
+/* $Id$ */
+
+/* Copyright (c) 2002-2007 Arnaud Legrand. */
+/* Copyright (c) 2007 Bruno Donassolo. */
+/* 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. */
+
+#include "msg/private.h"
+#include "xbt/sysdep.h"
+#include "xbt/log.h"
+#include "xbt/virtu.h"
+#include "xbt/ex.h" /* ex_backtrace_display */
-#include"private.h"
-#include"xbt/sysdep.h"
-#include "xbt/error.h"
-XBT_LOG_NEW_DEFAULT_SUBCATEGORY(global, msg,
- "Logging specific to MSG (global)");
+XBT_LOG_NEW_DEFAULT_SUBCATEGORY(msg_kernel, msg, "Logging specific to MSG (kernel)");
MSG_Global_t msg_global = NULL;
-/* static void MarkAsFailed(m_task_t t, TBX_HashTable_t failedProcessList); */
-/* static xbt_fifo_t MSG_buildFailedHostList(double a, double b); */
/** \defgroup msg_simulation MSG simulation Functions
* \brief This section describes the functions you need to know to
* set up a simulation. You should have a look at \ref MSG_examples
* to have an overview of their usage.
*/
+/** @addtogroup msg_simulation
+ * \htmlonly <!-- DOXYGEN_NAVBAR_LABEL="Simulation functions" --> \endhtmlonly
+ */
/********************************* MSG **************************************/
/** \ingroup msg_simulation
* \brief Initialize some MSG internal data.
*/
-void MSG_global_init(void)
+void MSG_global_init_args(int *argc, char **argv)
{
- int argc=0;
- char **argv=NULL;
-
- CRITICAL0("Function MSG_global_init() is deprecated by MSG_global_init_args().");
- MSG_global_init_args(&argc,argv);
+ MSG_global_init(argc,argv);
}
/** \ingroup msg_simulation
* \brief Initialize some MSG internal data.
*/
-void MSG_global_init_args(int *argc, char **argv)
+void MSG_global_init(int *argc, char **argv)
{
+ xbt_getpid = & MSG_process_self_PID;
if (!msg_global) {
- surf_init(argc, argv); /* Initialize some common structures. Warning, it sets msg_global=NULL */
+ SIMIX_global_init(argc, argv);
msg_global = xbt_new0(s_MSG_Global_t,1);
- xbt_context_init();
msg_global->host = xbt_fifo_new();
- msg_global->process_to_run = xbt_fifo_new();
msg_global->process_list = xbt_fifo_new();
msg_global->max_channel = 0;
- msg_global->current_process = NULL;
- msg_global->registered_functions = xbt_dict_new();
msg_global->PID = 1;
}
+ return;
}
/** \ingroup msg_easier_life
* \brief Traces MSG events in the Paje format.
*/
-void MSG_paje_output(const char *filename)
-{
- int i;
- const char *paje_preembule="%EventDef SetLimits 0\n"
- "% StartTime date\n"
- "% EndTime date\n"
- "%EndEventDef\n"
- "%EventDef PajeDefineContainerType 1\n"
- "% NewType string\n"
- "% ContainerType string\n"
- "% NewName string\n"
- "%EndEventDef\n"
- "%EventDef PajeDefineEventType 2\n"
- "% NewType string\n"
- "% ContainerType string\n"
- "% NewName string\n"
- "%EndEventDef\n"
- "%EventDef PajeDefineStateType 3\n"
- "% NewType string\n"
- "% ContainerType string\n"
- "% NewName string\n"
- "%EndEventDef\n"
- "%EventDef PajeDefineVariableType 4\n"
- "% NewType string\n"
- "% ContainerType string\n"
- "% NewName string\n"
- "%EndEventDef\n"
- "%EventDef PajeDefineLinkType 5\n"
- "% NewType string\n"
- "% ContainerType string\n"
- "% SourceContainerType string\n"
- "% DestContainerType string\n"
- "% NewName string\n"
- "%EndEventDef\n"
- "%EventDef PajeDefineEntityValue 6\n"
- "% NewValue string\n"
- "% EntityType string\n"
- "% NewName string\n"
- "%EndEventDef\n"
- "%EventDef PajeCreateContainer 7\n"
- "% Time date\n"
- "% NewContainer string\n"
- "% NewContainerType string\n"
- "% Container string\n"
- "% NewName string\n"
- "%EndEventDef\n"
- "%EventDef PajeDestroyContainer 8\n"
- "% Time date\n"
- "% Name string\n"
- "% Type string\n"
- "%EndEventDef\n"
- "%EventDef PajeNewEvent 9\n"
- "% Time date\n"
- "% EntityType string\n"
- "% Container string\n"
- "% Value string\n"
- "%EndEventDef\n"
- "%EventDef PajeSetState 10\n"
- "% Time date\n"
- "% EntityType string\n"
- "% Container string\n"
- "% Value string\n"
- "%EndEventDef\n"
- "%EventDef PajeSetState 101\n"
- "% Time date\n"
- "% EntityType string\n"
- "% Container string\n"
- "% Value string\n"
- "% FileName string\n"
- "% LineNumber int\n"
- "%EndEventDef\n"
- "%EventDef PajePushState 111\n"
- "% Time date\n"
- "% EntityType string\n"
- "% Container string\n"
- "% Value string\n"
- "% FileName string\n"
- "% LineNumber int\n"
- "%EndEventDef\n"
- "%EventDef PajePushState 11\n"
- "% Time date\n"
- "% EntityType string\n"
- "% Container string\n"
- "% Value string\n"
- "%EndEventDef\n"
- "%EventDef PajePopState 12\n"
- "% Time date\n"
- "% EntityType string\n"
- "% Container string\n"
- "%EndEventDef\n"
- "%EventDef PajeSetVariable 13\n"
- "% Time date\n"
- "% EntityType string\n"
- "% Container string\n"
- "% Value double\n"
- "%EndEventDef\n"
- "%EventDef PajeAddVariable 14\n"
- "% Time date\n"
- "% EntityType string\n"
- "% Container string\n"
- "% Value double\n"
- "%EndEventDef\n"
- "%EventDef PajeSubVariable 15\n"
- "% Time date\n"
- "% EntityType string\n"
- "% Container string\n"
- "% Value double\n"
- "%EndEventDef\n"
- "%EventDef PajeStartLink 16\n"
- "% Time date\n"
- "% EntityType string\n"
- "% Container string\n"
- "% Value string\n"
- "% SourceContainer string\n"
- "% Key string\n"
- "%EndEventDef\n"
- "%EventDef PajeEndLink 17\n"
- "% Time date\n"
- "% EntityType string\n"
- "% Container string\n"
- "% Value string\n"
- "% DestContainer string\n"
- "% Key string\n"
- "%EndEventDef\n";
-
- const char *type_definitions = "1 Sim_t 0 Simulation_t\n"
- "1 H_t Sim_t m_host_t\n"
- "1 P_t H_t m_process_t\n"
- "3 S_t P_t \"Process State\"\n"
- "6 E S_t Executing\n"
- "6 B S_t Blocked\n"
- "6 C S_t Communicating\n"
- "5 Comm Sim_t P_t P_t Communication_t\n";
-
- const char *ext = ".trace";
- int ext_len = strlen(ext);
- int len;
- m_host_t host;
- m_process_t process;
- xbt_fifo_item_t item = NULL;
-
- xbt_assert0(msg_global, "Initialize MSG first\n");
- xbt_assert0(!msg_global->paje_output, "Paje output already defined\n");
- xbt_assert0(filename, "Need a real file name\n");
-
- len = strlen(filename);
- if((len<ext_len) || (strncmp(filename+len-ext_len,ext,ext_len))) {
- CRITICAL2("%s does not end by \"%s\". It may cause troubles when using Paje\n",
- filename,ext);
- }
-
- msg_global->paje_output=fopen(filename,"w");
- xbt_assert1(msg_global->paje_output, "Failed to open %s \n",filename);
-
- fprintf(msg_global->paje_output,"%s",paje_preembule);
- fprintf(msg_global->paje_output,"%s",type_definitions);
-
- /* Channels */
- for(i=0; i<msg_global->max_channel; i++) {
- fprintf(msg_global->paje_output, "6 COMM_%d Comm \"Channel %d\"\n" ,i,i);
- }
- fprintf(msg_global->paje_output,
- "7 0.0 CUR Sim_t 0 \"MSG simulation\"\n");
-
- /* Hosts */
- xbt_fifo_foreach(msg_global->host,item,host,m_host_t) {
- PAJE_HOST_NEW(host);
- }
-
- /* Process */
- xbt_fifo_foreach(msg_global->process_list,item,process,m_process_t) {
- PAJE_PROCESS_NEW(process);
- }
-}
-/** \ingroup msg_simulation
- * \brief Defines the verbosity of the simulation.
- */
-void MSG_set_verbosity(MSG_outputmode_t mode)
+void MSG_paje_output(const char *filename)
{
- CRITICAL0("MSG_set_verbosity : Deprecated function. Use the XBT logging interface.");
}
/** \defgroup m_channel_management Understanding channels
* \brief This section briefly describes the channel notion of MSG
* (#m_channel_t).
+ */
+/** @addtogroup m_channel_management
+ * \htmlonly <!-- DOXYGEN_NAVBAR_LABEL="Channels" --> \endhtmlonly
+ *
*
* For convenience, the simulator provides the notion of channel
* that is close to the tag notion in MPI. A channel is not a
return MSG_OK;
}
-/** \ingroup m_simulation
- * \brief Set the sharing policy used for the links
- *
- * This function can be called to change the sharing policy used for the links
- (see \ref paper_tcp). By default the store and forward mechanism is used
- with a parameter equal to 0.1. This function has to be called before creating
- any link.
- * \param mode the sharing policy used for the links: can be either
- MSG_STORE_AND_FORWARD or MSG_TCP.
- * \param param a parameter for the sharing policy. It has to be >0. It is
- currently used only for the MSG_STORE_AND_FORWARD flavor and represents the
- granularity of the communications (i.e. the packet size).
- */
-MSG_error_t MSG_set_sharing_policy(MSG_sharing_t mode, double param)
-{
- CRITICAL0("MSG_set_sharing_policy: this function is now deprecated and useless. Store and forward does not exist anymore. Please stop using it.");
-
- return MSG_OK;
-}
-
/** \ingroup m_channel_management
* \brief Return the number of channel in the simulation.
*
return msg_global->max_channel;
}
+void __MSG_display_process_status(void)
+{
+}
+
+
+/* FIXME: Yeah, I'll do it in a portable maner one day [Mt] */
+#include <signal.h>
+
+static void _XBT_CALL inthandler(int ignored)
+{
+ INFO0("CTRL-C pressed. Displaying status and bailing out");
+ __MSG_display_process_status();
+ exit(1);
+}
+
/** \ingroup msg_simulation
* \brief Launch the MSG simulation
*/
MSG_error_t MSG_main(void)
{
- m_process_t process = NULL;
- int nbprocess,i;
- double elapsed_time = 0.0;
-
- /* Clean IO before the run */
- fflush(stdout);
- fflush(stderr);
-
- surf_solve(); /* Takes traces into account. Returns 0.0 */
-/* xbt_fifo_size(msg_global->process_to_run) */
- while (1) {
- xbt_context_empty_trash();
- while ((process = xbt_fifo_pop(msg_global->process_to_run))) {
-/* fprintf(stderr,"-> %s (%d)\n",process->name, process->simdata->PID); */
- DEBUG3("Scheduling %s(%d) on %s",
- process->name,process->simdata->PID,
- process->simdata->host->name);
- msg_global->current_process = process;
- fflush(NULL);
- xbt_context_schedule(process->simdata->context);
- msg_global->current_process = NULL;
- }
- DEBUG1("%lg : Calling surf_solve",MSG_getClock());
- elapsed_time = surf_solve();
- DEBUG1("Elapsed_time %lg",elapsed_time);
-
-/* fprintf(stderr, "====== %lg =====\n",Now); */
-/* if (elapsed_time==0.0) { */
-/* fprintf(stderr, "No change in time\n"); */
-/* } */
- if (elapsed_time<0.0) {
-/* fprintf(stderr, "We're done %lg\n",elapsed_time); */
- break;
- }
-
- {
- surf_action_t action = NULL;
- surf_resource_t resource = NULL;
- m_task_t task = NULL;
-
- xbt_dynar_foreach(resource_list, i, resource) {
- while ((action =
- xbt_swag_extract(resource->common_public->states.
- failed_action_set))) {
- task = action->data;
- if(task) {
- int _cursor;
- DEBUG1("** %s failed **",task->name);
-/* fprintf(stderr,"** %s **\n",task->name); */
- xbt_dynar_foreach(task->simdata->sleeping,_cursor,process) {
- DEBUG3("\t preparing to wake up %s(%d) on %s",
- process->name,process->simdata->PID,
- process->simdata->host->name);
- xbt_fifo_unshift(msg_global->process_to_run, process);
- }
- process=NULL;
- }
- }
- while ((action =
- xbt_swag_extract(resource->common_public->states.
- done_action_set))) {
- task = action->data;
- if(task) {
- int _cursor;
- DEBUG1("** %s done **",task->name);
-/* fprintf(stderr,"** %s **\n",task->name); */
- xbt_dynar_foreach(task->simdata->sleeping,_cursor,process) {
- DEBUG3("\t preparing to wake up %s(%d) on %s",
- process->name,process->simdata->PID,
- process->simdata->host->name);
- xbt_fifo_unshift(msg_global->process_to_run, process);
- }
- process=NULL;
- }
- }
- }
- }
- }
+ smx_cond_t cond = NULL;
+ smx_action_t smx_action;
+ xbt_fifo_t actions_done = xbt_fifo_new();
+ xbt_fifo_t actions_failed = xbt_fifo_new();
- if ((nbprocess=xbt_fifo_size(msg_global->process_list)) == 0) {
- fprintf(stderr,
- "MSG: Congratulations ! Simulation terminated : all process are over\n");
- return MSG_OK;
- } else {
- xbt_fifo_item_t item = NULL;
- fprintf(stderr,"MSG: Oops ! Deadlock or code not perfectly clean.\n");
- fprintf(stderr,"MSG: %d processes are still running, waiting for something.\n",
- nbprocess);
- /* List the process and their state */
- fprintf(stderr,"MSG: <process>(<pid>) on <host>: <status>.\n");
- xbt_fifo_foreach(msg_global->process_list,item,process,m_process_t) {
- simdata_process_t p_simdata = (simdata_process_t) process->simdata;
- simdata_host_t h_simdata=(simdata_host_t)p_simdata->host->simdata;
-
-
- fprintf(stderr,"MSG: %s(%d) on %s: ",
- process->name,p_simdata->PID,
- p_simdata->host->name);
-
- if (process->simdata->blocked)
- fprintf(stderr,"[blocked] ");
- if (process->simdata->suspended)
- fprintf(stderr,"[suspended] ");
-
- for (i=0; i<msg_global->max_channel; i++) {
- if (h_simdata->sleeping[i] == process) {
- fprintf(stderr,"Listening on channel %d.\n",i);
- break;
- }
- }
- if (i==msg_global->max_channel) {
- if(p_simdata->waiting_task) {
- if(p_simdata->waiting_task->simdata->compute) {
- if(p_simdata->put_host)
- fprintf(stderr,"Trying to send a task on Host %s, channel %d.\n",
- p_simdata->put_host->name, p_simdata->put_channel);
- else
- fprintf(stderr,"Waiting for %s to finish.\n",p_simdata->waiting_task->name);
- } else if (p_simdata->waiting_task->simdata->comm)
- fprintf(stderr,"Waiting for %s to be finished transfered.\n",
- p_simdata->waiting_task->name);
- else
- fprintf(stderr,"UNKNOWN STATUS. Please report this bug.\n");
- }
- else { /* Must be trying to put a task somewhere */
- fprintf(stderr,"UNKNOWN STATUS. Please report this bug.\n");
- }
- }
- }
- if(XBT_LOG_ISENABLED(msg, xbt_log_priority_debug) ||
- XBT_LOG_ISENABLED(global, xbt_log_priority_debug)) {
- DEBUG0("Aborting!");
- xbt_abort();
- }
-
- return MSG_WARNING;
- }
-}
+ /* Prepare to display some more info when dying on Ctrl-C pressing */
+ signal(SIGINT,inthandler);
-/* static void MarkAsFailed(m_task_t t, TBX_HashTable_t failedProcessList) */
-/* { */
-/* simdata_task_t simdata = NULL; */
-/* xbt_fifo_item_t i = NULL; */
-/* m_process_t p = NULL; */
-
-/* xbt_assert0((t!=NULL),"Invalid task"); */
-/* simdata = t->simdata; */
-
-/* #define KILL(task) if(task) SG_failTask(task) */
-/* KILL(simdata->compute); */
-/* KILL(simdata->TCP_comm); */
-/* KILL(simdata->s[0]); */
-/* KILL(simdata->s[1]); */
-/* KILL(simdata->s[2]); */
-/* KILL(simdata->s[3]); */
-/* KILL(simdata->sleep); */
-/* #undef KILL */
-/* /\* if(simdata->comm) SG_failEndToEndTransfer(simdata->comm); *\/ */
-
-/* xbt_fifo_foreach(simdata->sleeping,i,p,m_process_t) { */
-/* if(!TBX_HashTable_isInList(failedProcessList,p,TBX_basicHash)) */
-/* TBX_HashTable_insert(failedProcessList,p,TBX_basicHash); */
-/* } */
-
-/* } */
+ /* Clean IO before the run */
+ fflush(stdout);
+ fflush(stderr);
+
+ //surf_solve(); /* Takes traces into account. Returns 0.0 */
+ /* xbt_fifo_size(msg_global->process_to_run) */
+
+ while (SIMIX_solve(actions_done, actions_failed) != -1.0) {
-/* static xbt_fifo_t MSG_buildFailedHostList(double begin, double end) */
-/* { */
-/* xbt_fifo_t failedHostList = xbt_fifo_new(); */
-/* m_host_t host = NULL; */
-/* xbt_fifo_item_t i; */
+ while ( (smx_action = xbt_fifo_pop(actions_failed)) ) {
-/* xbt_fifo_foreach(msg_global->host,i,host,m_host_t) { */
-/* SG_Resource r= ((simdata_host_t) (host->simdata))->host; */
-/* if(SG_evaluateFailureTrace(r->failure_trace,begin,end)!=-1.0) */
-/* xbt_fifo_insert(failedHostList,host); */
-/* } */
+ DEBUG1("** %s failed **",smx_action->name);
+ while ( (cond = xbt_fifo_pop(smx_action->cond_list)) ) {
+ SIMIX_cond_broadcast(cond);
+ }
+ /* action finished, destroy it */
+ // SIMIX_action_destroy(smx_action);
+ }
-/* return failedHostList; */
-/* } */
+ while ( (smx_action = xbt_fifo_pop(actions_done)) ) {
+
+ DEBUG1("** %s done **",smx_action->name);
+ while ( (cond = xbt_fifo_pop(smx_action->cond_list)) ) {
+ SIMIX_cond_broadcast(cond);
+ }
+ /* action finished, destroy it */
+ //SIMIX_action_destroy(smx_action);
+ }
+ }
+ xbt_fifo_free(actions_failed);
+ xbt_fifo_free(actions_done);
+ return MSG_OK;
+}
/** \ingroup msg_simulation
* \brief Kill all running process
*/
int MSG_process_killall(int reset_PIDs)
{
- xbt_fifo_item_t i = NULL;
m_process_t p = NULL;
m_process_t self = MSG_process_self();
- while((p=xbt_fifo_shift(msg_global->process_list))) {
+ while((p=xbt_fifo_pop(msg_global->process_list))) {
if(p!=self) MSG_process_kill(p);
- }
+ }
if(reset_PIDs>0) {
- msg_global->PID = reset_PIDs;
+ msg_global->PID = reset_PIDs;
msg_global->session++;
}
- xbt_context_empty_trash();
-
- if(self) {
- xbt_context_yield();
- }
-
return msg_global->PID;
+
}
/** \ingroup msg_simulation
m_process_t p = NULL;
- while((p=xbt_fifo_shift(msg_global->process_list))) {
+ while((p=xbt_fifo_pop(msg_global->process_list))) {
MSG_process_kill(p);
}
- xbt_context_exit();
xbt_fifo_foreach(msg_global->host,i,h,m_host_t) {
__MSG_host_destroy(h);
}
xbt_fifo_free(msg_global->host);
- xbt_fifo_free(msg_global->process_to_run);
xbt_fifo_free(msg_global->process_list);
- xbt_dict_free(&(msg_global->registered_functions));
- if(msg_global->paje_output) {
- fclose(msg_global->paje_output);
- msg_global->paje_output = NULL;
- }
free(msg_global);
- surf_finalize();
+ SIMIX_clean();
return MSG_OK;
}
-/** \ingroup msg_easier_life
- * \brief A clock (in second).
- * \deprecated Use MSG_get_clock
- */
-double MSG_getClock(void) {
- return surf_get_clock();
-}
-
/** \ingroup msg_easier_life
* \brief A clock (in second).
*/
-double MSG_get_clock(void) {
- return surf_get_clock();
+double MSG_get_clock(void)
+{
+ return SIMIX_get_clock();
}
