-/* Copyright (c) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011. The SimGrid Team.
+/* Copyright (c) 2004-2013. The SimGrid Team.
* All rights reserved. */
/* This program is free software; you can redistribute it and/or modify it
#include "simix/smx_host_private.h"
#include "surf/surf_resource.h"
#include "xbt/xbt_os_thread.h"
+#include "simgrid/sg_config.h"
#include <ctype.h>
tmgr_history_t history = NULL;
lmm_system_t maxmin_system = NULL;
xbt_dynar_t surf_path = NULL;
+xbt_dynar_t host_that_restart = NULL;
+xbt_dict_t watched_hosts_lib;
/* Don't forget to update the option description in smx_config when you change this */
s_surf_model_description_t surf_network_model_description[] = {
static xbt_parmap_t surf_parmap = NULL; /* parallel map on models */
#endif
-static int surf_nthreads = 1; /* number of threads of the parmap (1 means no parallelism) */
static double *surf_mins = NULL; /* return value of share_resources for each model */
static int surf_min_index; /* current index in surf_mins */
static double min; /* duration determined by surf_solve */
if (!strcmp(name, table[i].name)) {
return i;
}
- name_list = strdup(table[0].name);
+ if (!table[0].name)
+ xbt_die("No model is valid! This is a bug.");
+ name_list = xbt_strdup(table[0].name);
for (i = 1; table[i].name; i++) {
name_list =
xbt_realloc(name_list,
max_dur_flag = 1;
}
- XBT_DEBUG("Action(%p) Start %lf Finish %lf Max_duration %lf", action,
+ XBT_DEBUG("Action(%p) Start %f Finish %f Max_duration %f", action,
action->generic_action.start, now + value,
action->generic_action.max_duration);
if (min != -1) {
surf_action_lmm_heap_remove(model->model_private->action_heap,action);
surf_action_lmm_heap_insert(model->model_private->action_heap,action, min, max_dur_flag ? MAX_DURATION : NORMAL);
- XBT_DEBUG("Insert at heap action(%p) min %lf now %lf", action, min,
+ XBT_DEBUG("Insert at heap action(%p) min %f now %f", action, min,
now);
} else DIE_IMPOSSIBLE;
}
else
min = -1;
- XBT_DEBUG("The minimum with the HEAP %lf", min);
+ XBT_DEBUG("The minimum with the HEAP %f", min);
return min;
}
*ver_patch = SIMGRID_VERSION_PATCH;
}
-xbt_dynar_t sg_cmdline = NULL;
-
void surf_init(int *argc, char **argv)
{
XBT_DEBUG("Create all Libs");
as_router_lib = xbt_lib_new();
storage_lib = xbt_lib_new();
storage_type_lib = xbt_lib_new();
- watched_hosts_lib = xbt_dict_new();
+ watched_hosts_lib = xbt_dict_new_homogeneous(NULL);
XBT_DEBUG("Add routing levels");
ROUTING_HOST_LEVEL = xbt_lib_add_level(host_lib,routing_asr_host_free);
SURF_WKS_LEVEL = xbt_lib_add_level(host_lib,surf_resource_free);
SURF_LINK_LEVEL = xbt_lib_add_level(link_lib,surf_resource_free);
- sg_cmdline = xbt_dynar_new(sizeof(char*),NULL);
- int i;
- for (i=0;i<*argc;i++) {
- xbt_dynar_push(sg_cmdline,&(argv[i]));
- }
xbt_init(argc, argv);
if (!model_list)
model_list = xbt_dynar_new(sizeof(surf_model_private_t), NULL);
if (!history)
history = tmgr_history_new();
- surf_config_init(argc, argv);
+#ifdef HAVE_TRACING
+ TRACE_add_start_function(TRACE_surf_alloc);
+ TRACE_add_end_function(TRACE_surf_release);
+#endif
+
+ sg_config_init(argc, argv);
+
surf_action_init();
if (MC_is_active())
MC_memory_init();
unsigned int iter;
surf_model_t model = NULL;
- surf_config_finalize();
+#ifdef HAVE_TRACING
+ TRACE_end(); /* Just in case it was not called by the upper
+ * layer (or there is no upper layer) */
+#endif
+
+ sg_config_finalize();
xbt_dynar_foreach(model_list, iter, model)
model->model_private->finalize();
xbt_free(surf_mins);
surf_mins = NULL;
#endif
-
+ xbt_dynar_free(&host_that_restart);
xbt_dynar_free(&surf_path);
- xbt_dynar_free(&sg_cmdline);
xbt_lib_free(&host_lib);
xbt_lib_free(&link_lib);
tmgr_history_get_next_event_leq(history, next_event_date,
&value,
(void **) &resource))) {
- resource->model->model_private->update_resource_state(resource,
- event, value,
- NOW);
+ if (value >= 0){
+ resource->model->model_private->update_resource_state(resource,
+ event, value,
+ NOW);
+ }
}
}
xbt_dynar_foreach(model_list, iter, model)
tmgr_trace_event_t event = NULL;
unsigned int iter;
+ if(!host_that_restart)
+ host_that_restart = xbt_dynar_new(sizeof(char*), NULL);
+
if (max_date != -1.0 && max_date != NOW) {
min = max_date - NOW;
}
}
surf_min_index = 0;
-
- if (surf_get_nthreads() > 1) {
- /* parallel version */
-#ifdef CONTEXT_THREADS
- xbt_parmap_apply(surf_parmap, (void_f_pvoid_t) surf_share_resources, model_list);
-#else
- xbt_die("Asked to run in parallel, but no thread at hand...");
-#endif
- }
- else {
- /* sequential version */
- xbt_dynar_foreach(model_list, iter, model) {
- surf_share_resources(model);
- }
+ /* sequential version */
+ xbt_dynar_foreach(model_list, iter, model) {
+ surf_share_resources(model);
}
unsigned i;
min = MAX(next_event_date - NOW, min);
}
- XBT_DEBUG("Run for NS3 at most %f", min);
+ XBT_DEBUG("Run for network at most %f", min);
// run until min or next flow
model_next_action_end = surf_network_model->model_private->share_resources(min);
- XBT_DEBUG("Min for NS3 : %f", model_next_action_end);
+ XBT_DEBUG("Min for network : %f", model_next_action_end);
if(model_next_action_end>=0.0)
min = model_next_action_end;
}
- if (next_event_date == -1.0) {
+ if (next_event_date < 0.0) {
XBT_DEBUG("no next TRACE event. Stop searching for it");
break;
}
- if ((min != -1.0) && (next_event_date > NOW + min)) break;
+ if ((min == -1.0) || (next_event_date > NOW + min)) break;
- XBT_DEBUG("Updating models");
+ XBT_DEBUG("Updating models (min = %g, NOW = %g, next_event_date = %g)",min, NOW, next_event_date);
while ((event =
tmgr_history_get_next_event_leq(history, next_event_date,
&value,
(void **) &resource))) {
- if (resource->model->model_private->resource_used(resource)) {
+ if (resource->model->model_private->resource_used(resource) ||
+ xbt_dict_get_or_null(watched_hosts_lib,resource->name)
+ ) {
min = next_event_date - NOW;
XBT_DEBUG
("This event will modify model state. Next event set to %f",
}
/* update state of model_obj according to new value. Does not touch lmm.
It will be modified if needed when updating actions */
- XBT_DEBUG("Calling update_resource_state for resource %s with min %lf",
- resource->model->name, min);
+ XBT_DEBUG("Calling update_resource_state for resource %s with min %f",
+ resource->name, min);
+
resource->model->model_private->update_resource_state(resource,
event, value,
- NOW + min);
+ next_event_date);
}
} while (1);
NOW = NOW + min;
- if (surf_get_nthreads() > 1) {
- /* parallel version */
-#ifdef CONTEXT_THREADS
- xbt_parmap_apply(surf_parmap, (void_f_pvoid_t) surf_update_actions_state, model_list);
-#endif
- }
- else {
- /* sequential version */
- xbt_dynar_foreach(model_list, iter, model) {
- surf_update_actions_state(model);
- }
+ /* sequential version */
+ xbt_dynar_foreach(model_list, iter, model) {
+ surf_update_actions_state(model);
}
#ifdef HAVE_TRACING
model->model_private->update_actions_state(NOW, min);
}
-/**
- * \brief Returns the number of parallel threads used to update the models.
- * \return the number of threads (1 means no parallelism)
- */
-int surf_get_nthreads(void) {
- return surf_nthreads;
-}
-
-/**
- * \brief Sets the number of parallel threads used to update the models.
- *
- * A value of 1 means no parallelism.
- *
- * \param nb_threads the number of threads to use
- */
-void surf_set_nthreads(int nthreads) {
-
- if (nthreads<=0) {
- nthreads = xbt_os_get_numcores();
- XBT_INFO("Auto-setting surf/nthreads to %d",nthreads);
- }
-
-#ifdef CONTEXT_THREADS
- xbt_parmap_destroy(surf_parmap);
- surf_parmap = NULL;
-#endif
-
- if (nthreads > 1) {
-#ifdef CONTEXT_THREADS
- surf_parmap = xbt_parmap_new(nthreads, XBT_PARMAP_DEFAULT);
-#else
- THROWF(arg_error, 0, "Cannot activate parallel threads in Surf: your architecture does not support threads");
-#endif
- }
-
- surf_nthreads = nthreads;
-}
-
-void surf_watched_hosts(void)
-{
- char *key;
- void *host;
- xbt_dict_cursor_t cursor;
-
- XBT_DEBUG("Check for host SURF_RESOURCE_ON on watched_hosts_lib");
- xbt_dict_foreach(watched_hosts_lib,cursor,key,host)
- {
- if(SIMIX_host_get_state(host) == SURF_RESOURCE_ON){
- XBT_INFO("Restart processes on host: %s",SIMIX_host_get_name(host));
- SIMIX_host_autorestart(host);
- xbt_dict_remove(watched_hosts_lib,key);
- }
- else
- XBT_DEBUG("See SURF_RESOURCE_OFF on host: %s",key);
- }
-}