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authorChangbin Du <changbin.du@gmail.com>2019-01-01 18:46:11 +0300
committerSteven Rostedt (VMware) <rostedt@goodmis.org>2019-02-06 19:56:19 +0300
commit97f0a3bcdf34f66c2017bad51445eafef1224870 (patch)
tree6612d72e197f9b2ad481f974cc61c70aa3326116 /kernel
parent6c6dbce196c201810348b6cef6fc5ec77d4d0973 (diff)
downloadlinux-97f0a3bcdf34f66c2017bad51445eafef1224870.tar.xz
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>
Diffstat (limited to 'kernel')
-rw-r--r--kernel/trace/trace_sched_wakeup.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/kernel/trace/trace_sched_wakeup.c b/kernel/trace/trace_sched_wakeup.c
index b6c5fa10347e..da5b6e012840 100644
--- a/kernel/trace/trace_sched_wakeup.c
+++ b/kernel/trace/trace_sched_wakeup.c
@@ -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)
{