new tracing mask TRACE_VOLUME to trace the msg tasks communication size and group...

[simgrid.git] / src / msg / gos.c

diff --git a/src/msg/gos.c b/src/msg/gos.c
index f656ec4..7b6367d 100644 (file)
--- a/src/msg/gos.c
+++ b/src/msg/gos.c
@@ -53,6 +53,12 @@ MSG_error_t MSG_task_execute(m_task_t task)
 
   DEBUG1("Computing on %s", MSG_process_self()->simdata->m_host->name);
 
+  if (simdata->computation_amount == 0) {
+#ifdef HAVE_TRACING
+    TRACE_msg_task_execute_end (task);
+#endif
+    return MSG_OK;
+  }
   simdata->refcount++;
   SIMIX_mutex_lock(simdata->mutex);
   simdata->compute =