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| author |   Changbin Du <changbin.du@gmail.com> | 2020-08-08 10:31:32 +0800 |
|---|---|---|
| committer |   Arnaldo Carvalho de Melo <acme@redhat.com> | 2020-08-14 09:25:17 -0300 |
| commit | 38988f2e7ed515784b8b19e2be265c9c6984ce6f (patch) | |
| tree | 0a6fed821958fb7fafb696d318095ade5bdc7ee7 /tools/perf/Documentation/perf-ftrace.txt | |
| parent | perf ftrace: Add support for tracing option 'func_stack_trace' (diff) | |
| download | wireguard-linux-38988f2e7ed515784b8b19e2be265c9c6984ce6f.tar.xz wireguard-linux-38988f2e7ed515784b8b19e2be265c9c6984ce6f.zip | |
perf ftrace: Add support for trace option sleep-time
This adds an option '--graph-opts nosleep-time' which allow us only to
measure on-CPU time. This option is function_graph tracer only.
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/20200808023141.14227-10-changbin.du@gmail.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/Documentation/perf-ftrace.txt')
| -rw-r--r-- | tools/perf/Documentation/perf-ftrace.txt | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/tools/perf/Documentation/perf-ftrace.txt b/tools/perf/Documentation/perf-ftrace.txt index 8f08ad0992c2..3380a2e2c9ad 100644 --- a/tools/perf/Documentation/perf-ftrace.txt +++ b/tools/perf/Documentation/perf-ftrace.txt @@ -101,6 +101,10 @@ OPTIONS --graph-depth=:: Set max depth for function graph tracer to follow +--graph-opts:: + List of options allowed to set: + nosleep-time - Measure on-CPU time only for function_graph tracer. + SEE ALSO -------- linkperf:perf-record[1], linkperf:perf-trace[1] |