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| author |   Namhyung Kim <namhyung@kernel.org> | 2016-11-24 10:11:13 +0900 |
|---|---|---|
| committer |   Arnaldo Carvalho de Melo <acme@redhat.com> | 2016-11-25 10:49:38 -0300 |
| commit | 2d9bbf6eb3825739efa9e91c256ce7ead60d8367 (patch) | |
| tree | 025e9cd32a8c78812251594f6308217138ebb884 /tools/perf/builtin-sched.c | |
| parent | perf annotate: Initial PowerPC support (diff) | |
| download | wireguard-linux-2d9bbf6eb3825739efa9e91c256ce7ead60d8367.tar.xz wireguard-linux-2d9bbf6eb3825739efa9e91c256ce7ead60d8367.zip | |
perf callchain: Add option to skip ignore symbol when printing callchains
For tracepoint events, callchains always contain certain functions.
Sometimes it'd be better to skip those functions as they have no value.
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Andi Kleen <andi@firstfloor.org>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/r/20161124011114.7102-2-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/builtin-sched.c')
| -rw-r--r-- | tools/perf/builtin-sched.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/tools/perf/builtin-sched.c b/tools/perf/builtin-sched.c index 829468defa07..43fcc13e402d 100644 --- a/tools/perf/builtin-sched.c +++ b/tools/perf/builtin-sched.c @@ -1876,7 +1876,8 @@ static void timehist_print_sample(struct perf_sched *sched, sample__fprintf_sym(sample, al, 0, EVSEL__PRINT_SYM | EVSEL__PRINT_ONELINE | - EVSEL__PRINT_CALLCHAIN_ARROW, + EVSEL__PRINT_CALLCHAIN_ARROW | + EVSEL__PRINT_SKIP_IGNORED, &callchain_cursor, stdout); out: |