+ // 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
+ */
+ if(0){
+// FIXME
+// pajeDefineEventType("source", "LINK", "source");
+// pajeDefineEventType("destination", "LINK", "destination");
+
+ /* type hierarchy for:
+ * --cfg=tracing/msg/process
+ * --cfg=tracing/msg/volume
+ */
+// FIXME
+// 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
+ */
+// FIXME
+// 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
+ */
+// FIXME
+// 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");
+// }