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| author | Changbin Du <[email protected]> | 2020-08-08 02:31:36 +0000 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <[email protected]> | 2020-08-14 12:29:35 +0000 |
| commit | 00c85d5f45b6b366f68c876cd89b8b790f50ea0f (patch) | |
| tree | 3a897f8c0a95bec9d7c8c0a46af68641c625949f /drivers/net/dsa/dsa_loop.c | |
| parent | perf ftrace: Add option 'verbose' to show more info for graph tracer (diff) | |
| download | kernel-00c85d5f45b6b366f68c876cd89b8b790f50ea0f.tar.gz kernel-00c85d5f45b6b366f68c876cd89b8b790f50ea0f.zip | |
perf ftrace: Add support for trace option tracing_thresh
This adds an option '--graph-opts thresh' to setup trace duration
threshold for funcgraph tracer.
$ sudo ./perf ftrace -G '*' --graph-opts thresh=100
3) ! 184.060 us | } /* schedule */
3) ! 185.600 us | } /* exit_to_usermode_loop */
2) ! 225.989 us | } /* schedule_idle */
2) # 4140.051 us | } /* do_idle */
Signed-off-by: Changbin Du <[email protected]>
Acked-by: Namhyung Kim <[email protected]>
Tested-by: Arnaldo Carvalho de Melo <[email protected]>
Cc: Jiri Olsa <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Steven Rostedt (VMware) <[email protected]>
Link: http://lore.kernel.org/lkml/[email protected]
Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
Diffstat (limited to 'drivers/net/dsa/dsa_loop.c')
0 files changed, 0 insertions, 0 deletions