static int trace_active = 0;
extern xbt_dict_t created_categories; //declared in instr_interface.c
+extern xbt_dict_t defined_types; //declared in instr_interface.c
+
+int TRACE_start()
+{
+ // tracing system must be:
+ // - enabled (with --cfg=tracing:1)
+ // - already configured (TRACE_global_init already called)
+ if (!(TRACE_is_enabled() && TRACE_is_configured())){
+ return 0;
+ }
+
+ DEBUG0("Tracing starts");
+
+ /* open the trace file */
+ TRACE_paje_start();
+
+ /* activate trace */
+ TRACE_activate ();
+
+ /* base type hierarchy:
+ * --cfg=tracing
+ */
+ pajeDefineContainerType("PLATFORM", "0", "platform");
+ pajeDefineContainerType("HOST", "PLATFORM", "HOST");
+ pajeDefineContainerType("LINK", "PLATFORM", "LINK");
+ pajeDefineVariableType("power", "HOST", "power");
+ pajeDefineVariableType("bandwidth", "LINK", "bandwidth");
+ pajeDefineVariableType("latency", "LINK", "latency");
+ pajeDefineEventType("source", "LINK", "source");
+ pajeDefineEventType("destination", "LINK", "destination");
+
+ /* type hierarchy for:
+ * --cfg=tracing/uncategorized
+ */
+ if (TRACE_uncategorized()){
+ pajeDefineVariableTypeWithColor("power_used", "HOST", "power_used", "0.5 0.5 0.5");
+ pajeDefineVariableTypeWithColor("bandwidth_used", "LINK", "bandwidth_used", "0.5 0.5 0.5");
+ }
+
+ /* type hierarchy for:
+ * --cfg=tracing/msg/process
+ * --cfg=tracing/msg/volume
+ */
+ if (TRACE_msg_process_is_enabled() || TRACE_msg_volume_is_enabled()) {
+ //processes grouped by host
+ pajeDefineContainerType("PROCESS", "HOST", "PROCESS");
+ }
+
+ if (TRACE_msg_process_is_enabled()) {
+ pajeDefineStateType("category", "PROCESS", "category");
+ pajeDefineStateType("presence", "PROCESS", "presence");
+ }
+
+ if (TRACE_msg_volume_is_enabled()) {
+ pajeDefineLinkType("volume", "0", "PROCESS", "PROCESS", "volume");
+ }
+
+ /* type hierarchy for:
+ * --cfg=tracing/msg/task
+ */
+ if (TRACE_msg_task_is_enabled()) {
+ //tasks grouped by host
+ pajeDefineContainerType("TASK", "HOST", "TASK");
+ pajeDefineStateType("category", "TASK", "category");
+ pajeDefineStateType("presence", "TASK", "presence");
+ }
+
+ /* type hierarchy for
+ * --cfg=tracing/smpi
+ * --cfg=tracing/smpi/group
+ */
+ if (TRACE_smpi_is_enabled()) {
+ if (TRACE_smpi_is_grouped()){
+ pajeDefineContainerType("MPI_PROCESS", "HOST", "MPI_PROCESS");
+ }else{
+ pajeDefineContainerType("MPI_PROCESS", "PLATFORM", "MPI_PROCESS");
+ }
+ pajeDefineStateType("MPI_STATE", "MPI_PROCESS", "MPI_STATE");
+ pajeDefineLinkType("MPI_LINK", "0", "MPI_PROCESS", "MPI_PROCESS",
+ "MPI_LINK");
+ }
+
+ /* creating the platform */
+ pajeCreateContainer(MSG_get_clock(), "platform", "PLATFORM", "0",
+ "simgrid-platform");
+
+ /* other trace initialization */
+ defined_types = xbt_dict_new();
+ created_categories = xbt_dict_new();
+ TRACE_msg_task_alloc();
+ TRACE_category_alloc();
+ TRACE_surf_alloc();
+ TRACE_msg_process_alloc();
+ TRACE_smpi_alloc();
+ return 0;
+}
+
+int TRACE_end()
+{
+ if (!TRACE_is_active())
+ return 1;
+ XBT_IN;
+
+ /* close the trace file */
+ TRACE_paje_end();
+
+ /* generate uncategorized graph configuration for triva */
+ if (TRACE_get_triva_uncat_conf()){
+ TRACE_generate_triva_uncat_conf();
+ }
+
+ /* generate categorized graph configuration for triva */
+ if (TRACE_get_triva_cat_conf()){
+ TRACE_generate_triva_cat_conf();
+ }
+
+ /* activate trace */
+ TRACE_desactivate ();
+ DEBUG0("Tracing system is shutdown");
+ return 0;
+}
void TRACE_activate (void)
{
