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Commit 97f0a3bc authored by Changbin Du's avatar Changbin Du Committed by Steven Rostedt (VMware)
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tracing: Show more info for funcgraph wakeup tracers 

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/20190101154614.8887-3-changbin.du@gmail.com



Signed-off-by: default avatarChangbin Du <changbin.du@gmail.com>
Signed-off-by: default avatarSteven Rostedt (VMware) <rostedt@goodmis.org>
parent 6c6dbce1

kernel/trace/trace_sched_wakeup.c

+4 −1
Original line number Diff line number Diff line
@@ -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)

{