diff options
| author | Jin Yao <yao.jin@linux.intel.com> | 2017-07-18 20:13:11 +0800 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2017-07-18 23:14:39 -0300 |
| commit | 60f83fa6341dab4aec01cee354ea902771473adb (patch) | |
| tree | cc7093184e3a8b66a3c5003470efa7ed1c1dd00c /tools/perf/Documentation | |
| parent | d5c7f9dc58edcfb6b45f557bb0023173a0dabde6 (diff) | |
perf record: Create a new option save_type in --branch-filter
The option indicates the kernel to save branch type during sampling.
One example:
perf record -g --branch-filter any,save_type <command>
Signed-off-by: Yao Jin <yao.jin@linux.intel.com>
Acked-by: Jiri Olsa <jolsa@kernel.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Kan Liang <kan.liang@intel.com>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/1500379995-6449-4-git-send-email-yao.jin@linux.intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/Documentation')
| -rw-r--r-- | tools/perf/Documentation/perf-record.txt | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/tools/perf/Documentation/perf-record.txt b/tools/perf/Documentation/perf-record.txt index b0e9e921d534..9bdea047c5db 100644 --- a/tools/perf/Documentation/perf-record.txt +++ b/tools/perf/Documentation/perf-record.txt @@ -332,6 +332,7 @@ following filters are defined: - no_tx: only when the target is not in a hardware transaction - abort_tx: only when the target is a hardware transaction abort - cond: conditional branches + - save_type: save branch type during sampling in case binary is not available later + The option requires at least one branch type among any, any_call, any_ret, ind_call, cond. |