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| author | Changbin Du <changbin.du@gmail.com> | 2019-01-01 23:46:11 +0800 |
|---|---|---|
| committer | Steven Rostedt (VMware) <rostedt@goodmis.org> | 2019-02-06 11:56:19 -0500 |
| commit | 97f0a3bcdf34f66c2017bad51445eafef1224870 (patch) | |
| tree | 6612d72e197f9b2ad481f974cc61c70aa3326116 /kernel/trace | |
| parent | 6c6dbce196c201810348b6cef6fc5ec77d4d0973 (diff) | |
| download | linux-97f0a3bcdf34f66c2017bad51445eafef1224870.tar.gz linux-97f0a3bcdf34f66c2017bad51445eafef1224870.tar.bz2 linux-97f0a3bcdf34f66c2017bad51445eafef1224870.zip | |
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/trace')
| -rw-r--r-- | kernel/trace/trace_sched_wakeup.c | 5 |
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) { |