X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/54b53a2df8af5c0502e342a8455cb75d03518d73..82be869daaeebdc214422dc16ad61ba6380b0206:/src/instr/instr_config.c

diff --git a/src/instr/instr_config.c b/src/instr/instr_config.c
index df4b40262a..3e6ed76826 100644
--- a/src/instr/instr_config.c
+++ b/src/instr/instr_config.c
@@ -21,16 +21,45 @@ XBT_LOG_NEW_DEFAULT_SUBCATEGORY (instr_config, instr, "Configuration");
 #define OPT_TRACING_MSG_PROCESS   "tracing/msg/process"
 #define OPT_TRACING_MSG_VOLUME    "tracing/msg/volume"
 #define OPT_TRACING_FILENAME      "tracing/filename"
+#define OPT_TRACING_BUFFER        "tracing/buffer"
+#define OPT_TRACING_ONELINK_ONLY  "tracing/onelink_only"
 #define OPT_TRIVA_UNCAT_CONF      "triva/uncategorized"
 #define OPT_TRIVA_CAT_CONF        "triva/categorized"
 
+static int trace_enabled;
+static int trace_smpi_enabled;
+static int trace_smpi_grouped;
+static int trace_categorized;
+static int trace_uncategorized;
+static int trace_msg_task_enabled;
+static int trace_msg_process_enabled;
+static int trace_msg_volume_enabled;
+static int trace_buffer;
+static int trace_onelink_only;
+
 static int trace_configured = 0;
 static int trace_active = 0;
 
 xbt_dict_t created_categories; //declared in instr_interface.c
 
+static void TRACE_getopts(void)
+{
+  trace_enabled = xbt_cfg_get_int(_surf_cfg_set, OPT_TRACING);
+  trace_smpi_enabled = xbt_cfg_get_int(_surf_cfg_set, OPT_TRACING_SMPI);
+  trace_smpi_grouped = xbt_cfg_get_int(_surf_cfg_set, OPT_TRACING_SMPI_GROUP);
+  trace_categorized = xbt_cfg_get_int(_surf_cfg_set, OPT_TRACING_CATEGORIZED);
+  trace_uncategorized = xbt_cfg_get_int(_surf_cfg_set, OPT_TRACING_UNCATEGORIZED);
+  trace_msg_task_enabled = xbt_cfg_get_int(_surf_cfg_set, OPT_TRACING_MSG_TASK);
+  trace_msg_process_enabled = xbt_cfg_get_int(_surf_cfg_set, OPT_TRACING_MSG_PROCESS);
+  trace_msg_volume_enabled = xbt_cfg_get_int(_surf_cfg_set, OPT_TRACING_MSG_VOLUME);
+  trace_buffer = xbt_cfg_get_int(_surf_cfg_set, OPT_TRACING_BUFFER);
+  trace_onelink_only = xbt_cfg_get_int(_surf_cfg_set, OPT_TRACING_ONELINK_ONLY);
+}
+
 int TRACE_start()
 {
+  TRACE_getopts();
+
   // tracing system must be:
   //    - enabled (with --cfg=tracing:1)
   //    - already configured (TRACE_global_init already called)
@@ -102,9 +131,16 @@ int TRACE_is_active (void)
   return trace_active;
 }
 
+int TRACE_needs_platform (void)
+{
+  return TRACE_categorized() ||
+         TRACE_uncategorized() ||
+         (TRACE_smpi_is_enabled() && TRACE_smpi_is_grouped());
+}
+
 int TRACE_is_enabled(void)
 {
-  return xbt_cfg_get_int(_surf_cfg_set, OPT_TRACING);
+  return trace_enabled;
 }
 
 int TRACE_is_configured(void)
@@ -114,41 +150,49 @@ int TRACE_is_configured(void)
 
 int TRACE_smpi_is_enabled(void)
 {
-  return xbt_cfg_get_int(_surf_cfg_set, OPT_TRACING_SMPI) &&
+  return (xbt_cfg_get_int(_surf_cfg_set, OPT_TRACING_SMPI) ||
+       TRACE_smpi_is_grouped())&&
       TRACE_is_enabled();
 }
 
 int TRACE_smpi_is_grouped(void)
 {
-  return xbt_cfg_get_int(_surf_cfg_set, OPT_TRACING_SMPI_GROUP);
+  return trace_smpi_grouped;
 }
 
 int TRACE_categorized (void)
 {
-  return xbt_cfg_get_int(_surf_cfg_set, OPT_TRACING_CATEGORIZED);
+  return trace_categorized;
 }
 
 int TRACE_uncategorized (void)
 {
-  return xbt_cfg_get_int(_surf_cfg_set, OPT_TRACING_UNCATEGORIZED);
+  return trace_uncategorized;
 }
 
 int TRACE_msg_task_is_enabled(void)
 {
-  return xbt_cfg_get_int(_surf_cfg_set, OPT_TRACING_MSG_TASK) &&
-      TRACE_is_enabled();
+  return trace_msg_task_enabled && TRACE_is_enabled();
 }
 
 int TRACE_msg_process_is_enabled(void)
 {
-  return xbt_cfg_get_int(_surf_cfg_set, OPT_TRACING_MSG_PROCESS) &&
-      TRACE_is_enabled();
+  return trace_msg_process_enabled && TRACE_is_enabled();
 }
 
 int TRACE_msg_volume_is_enabled(void)
 {
-  return xbt_cfg_get_int(_surf_cfg_set, OPT_TRACING_MSG_VOLUME) &&
-      TRACE_is_enabled();
+  return trace_msg_volume_enabled && TRACE_is_enabled();
+}
+
+int TRACE_buffer (void)
+{
+  return trace_buffer && TRACE_is_enabled();
+}
+
+int TRACE_onelink_only (void)
+{
+  return trace_onelink_only && TRACE_is_enabled();
 }
 
 char *TRACE_get_filename(void)
@@ -232,6 +276,20 @@ void TRACE_global_init(int *argc, char **argv)
                    xbt_cfgelm_int, &default_tracing_msg_volume, 0, 1,
                    NULL, NULL);
 
+  /* msg volume (experimental) */
+  int default_buffer = 0;
+  xbt_cfg_register(&_surf_cfg_set, OPT_TRACING_BUFFER,
+                   "Buffer trace events to put them in temporal order.",
+                   xbt_cfgelm_int, &default_buffer, 0, 1,
+                   NULL, NULL);
+
+  /* msg volume (experimental) */
+  int default_onelink_only = 0;
+  xbt_cfg_register(&_surf_cfg_set, OPT_TRACING_ONELINK_ONLY,
+                   "Use only routes with one link to trace platform.",
+                   xbt_cfgelm_int, &default_onelink_only, 0, 1,
+                   NULL, NULL);
+
   /* Triva graph configuration for uncategorized tracing */
   char *default_triva_uncat_conf_file = xbt_strdup ("");
   xbt_cfg_register(&_surf_cfg_set, OPT_TRIVA_UNCAT_CONF,
@@ -309,6 +367,20 @@ void TRACE_help (int detailed)
       "  This experimental option only has effect if this simulator is MSG-based.\n"
       "  It traces the communication volume of MSG send/receive.",
       detailed);
+  print_line (OPT_TRACING_BUFFER, "Buffer events to put them in temporal order",
+      "  This option put some events in a time-ordered buffer using the insertion\n"
+      "  sort algorithm. The process of acquiring and releasing locks to access this\n"
+      "  buffer and the cost of the sorting algorithm make this process slow. The\n"
+      "  simulator performance can be severely impacted if this option is activated,\n"
+      "  but you are sure to get a trace file with events sorted.",
+      detailed);
+  print_line (OPT_TRACING_ONELINK_ONLY, "Consider only one link routes to trace platform",
+      "  This option changes the way SimGrid register its platform on the trace file.\n"
+      "  Normally, the tracing considers all routes (no matter their size) on the\n"
+      "  platform file to re-create the resource topology. If this option is activated,\n"
+      "  only the routes with one link are used to register the topology within an AS.\n"
+      "  Routes among AS continue to be traced as usual.",
+      detailed);
   print_line (OPT_TRIVA_UNCAT_CONF, "Generate graph configuration for Triva",
       "  This option can be used in all types of simulators build with SimGrid\n"
       "  to generate a uncategorized resource utilization graph to be used as\n"