tracing: add TRACE_FIELD_SPECIAL to record complex entries

[safe/jmp/linux-2.6] / include / trace / sched_event_types.h

diff --git a/include/trace/sched_event_types.h b/include/trace/sched_event_types.h
index ba059c1..a6de5c1 100644 (file)
--- a/include/trace/sched_event_types.h
+++ b/include/trace/sched_event_types.h
@@ -71,10 +71,15 @@ TRACE_EVENT_FORMAT(sched_switch,
        TRACE_STRUCT(
                TRACE_FIELD(pid_t, prev_pid, prev->pid)
                TRACE_FIELD(int, prev_prio, prev->prio)
+               TRACE_FIELD_SPECIAL(char next_comm[TASK_COMM_LEN],
+                                   next_comm,
+                                   TPCMD(memcpy(TRACE_ENTRY->next_comm,
+                                                next->comm,
+                                                TASK_COMM_LEN)))
                TRACE_FIELD(pid_t, next_pid, next->pid)
                TRACE_FIELD(int, next_prio, next->prio)
        ),
-       TPRAWFMT("prev %d:%d ==> next %d:%d")
+       TPRAWFMT("prev %d:%d ==> next %s:%d:%d")
        );
 
 TRACE_EVENT_FORMAT(sched_migrate_task,