diff options
| author | Changbin Du <changbin.du@gmail.com> | 2020-08-08 10:31:33 +0800 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2020-08-14 09:26:56 -0300 |
| commit | d1bcf17cda8001e2826d409019866b33adb82219 (patch) | |
| tree | fd48bfb6ad43e1ad2c53251bf62d1474dcf93066 /tools/perf/Documentation | |
| parent | 38988f2e7ed515784b8b19e2be265c9c6984ce6f (diff) | |
perf ftrace: Add support for trace option funcgraph-irqs
This adds an option '--graph-opts noirqs' to filter out functions executed
in irq context.
Signed-off-by: Changbin Du <changbin.du@gmail.com>
Acked-by: Namhyung Kim <namhyung@kernel.org>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Steven Rostedt (VMware) <rostedt@goodmis.org>
Link: http://lore.kernel.org/lkml/20200808023141.14227-11-changbin.du@gmail.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/Documentation')
| -rw-r--r-- | tools/perf/Documentation/perf-ftrace.txt | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/tools/perf/Documentation/perf-ftrace.txt b/tools/perf/Documentation/perf-ftrace.txt index 3380a2e2c9ad..fca55ac55ff3 100644 --- a/tools/perf/Documentation/perf-ftrace.txt +++ b/tools/perf/Documentation/perf-ftrace.txt @@ -104,6 +104,7 @@ OPTIONS --graph-opts:: List of options allowed to set: nosleep-time - Measure on-CPU time only for function_graph tracer. + noirqs - Ignore functions that happen inside interrupt. SEE ALSO -------- |