tracing: Show more info for funcgraph wakeup tracers
authorChangbin Du <[email protected]>
Tue, 1 Jan 2019 15:46:11 +0000 (23:46 +0800)
committerSteven Rostedt (VMware) <[email protected]>
Wed, 6 Feb 2019 16:56:19 +0000 (11:56 -0500)
Add these info fields to funcgraph wakeup tracers:
  o Show CPU info since the waker could be on a different CPU.
  o Show function duration and overhead.
  o Show IRQ markers.

Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Changbin Du <[email protected]>
Signed-off-by: Steven Rostedt (VMware) <[email protected]>
kernel/trace/trace_sched_wakeup.c

index b6c5fa10347ebd4999f971f82dd069a0ba8943ec..da5b6e01284079437b66cf4645578d4532699758 100644 (file)
@@ -180,8 +180,11 @@ static void wakeup_trace_close(struct trace_iterator *iter)
 }
 
 #define GRAPH_TRACER_FLAGS (TRACE_GRAPH_PRINT_PROC | \
+                           TRACE_GRAPH_PRINT_CPU |  \
                            TRACE_GRAPH_PRINT_REL_TIME | \
-                           TRACE_GRAPH_PRINT_DURATION)
+                           TRACE_GRAPH_PRINT_DURATION | \
+                           TRACE_GRAPH_PRINT_OVERHEAD | \
+                           TRACE_GRAPH_PRINT_IRQS)
 
 static enum print_line_t wakeup_print_line(struct trace_iterator *iter)
 {