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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: Changbin Du <changbin.du@gmail.com>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
This commit is contained in:
Changbin Du 2019-01-01 23:46:11 +08:00 committed by Steven Rostedt (VMware)
parent 6c6dbce196
commit 97f0a3bcdf
1 changed files with 4 additions and 1 deletions
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5
kernel/trace/trace_sched_wakeup.c
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@ -180,8 +180,11 @@ static void wakeup_trace_close(struct trace_iterator *iter)
} }
#define GRAPH_TRACER_FLAGS (TRACE_GRAPH_PRINT_PROC | \ #define GRAPH_TRACER_FLAGS (TRACE_GRAPH_PRINT_PROC | \
TRACE_GRAPH_PRINT_CPU | \
TRACE_GRAPH_PRINT_REL_TIME | \ 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) static enum print_line_t wakeup_print_line(struct trace_iterator *iter)
{ {