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author | Changbin Du <changbin.du@gmail.com> | 2019-01-01 10:46:11 -0500 |
---|---|---|
committer | Steven Rostedt (VMware) <rostedt@goodmis.org> | 2019-02-06 11:56:19 -0500 |
commit | 97f0a3bcdf34f66c2017bad51445eafef1224870 (patch) | |
tree | 6612d72e197f9b2ad481f974cc61c70aa3326116 | |
parent | 6c6dbce196c201810348b6cef6fc5ec77d4d0973 (diff) |
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>
-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) | |||
180 | } | 180 | } |
181 | 181 | ||
182 | #define GRAPH_TRACER_FLAGS (TRACE_GRAPH_PRINT_PROC | \ | 182 | #define GRAPH_TRACER_FLAGS (TRACE_GRAPH_PRINT_PROC | \ |
183 | TRACE_GRAPH_PRINT_CPU | \ | ||
183 | TRACE_GRAPH_PRINT_REL_TIME | \ | 184 | TRACE_GRAPH_PRINT_REL_TIME | \ |
184 | TRACE_GRAPH_PRINT_DURATION) | 185 | TRACE_GRAPH_PRINT_DURATION | \ |
186 | TRACE_GRAPH_PRINT_OVERHEAD | \ | ||
187 | TRACE_GRAPH_PRINT_IRQS) | ||
185 | 188 | ||
186 | static enum print_line_t wakeup_print_line(struct trace_iterator *iter) | 189 | static enum print_line_t wakeup_print_line(struct trace_iterator *iter) |
187 | { | 190 | { |