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| author | Leo Yan <leo.yan@linaro.org> | 2018-06-18 13:09:55 +0800 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2018-07-24 14:48:32 -0300 |
| commit | 6cd4ac6a02c9bc6560faf567ac013902ab9cd039 (patch) | |
| tree | 64fd7d4f91a18232f88f5a3fe9aa264652a18492 /tools/perf | |
| parent | 6abf0f451087176caf0f9ad0cc2a79bcc5ebb443 (diff) | |
| download | linux-6cd4ac6a02c9bc6560faf567ac013902ab9cd039.tar.bz2 | |
perf cs-etm: Bail out immediately for instruction sample failure
If the instruction sample failure has happened, it isn't necessary to
execute to the end of the function cs_etm__flush(). This commit is to
bail out immediately and return the error code.
Signed-off-by: Leo Yan <leo.yan@linaro.org>
Reviewed-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Kim Phillips <kim.phillips@arm.com>
Cc: Mike Leach <mike.leach@linaro.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Robert Walker <robert.walker@arm.com>
Cc: linux-arm-kernel@lists.infradead.org
Link: http://lkml.kernel.org/r/1529298599-3876-3-git-send-email-leo.yan@linaro.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf')
| -rw-r--r-- | tools/perf/util/cs-etm.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/tools/perf/util/cs-etm.c b/tools/perf/util/cs-etm.c index 822ba915d144..8b2c099e750a 100644 --- a/tools/perf/util/cs-etm.c +++ b/tools/perf/util/cs-etm.c @@ -939,6 +939,9 @@ static int cs_etm__flush(struct cs_etm_queue *etmq) err = cs_etm__synth_instruction_sample( etmq, addr, etmq->period_instructions); + if (err) + return err; + etmq->period_instructions = 0; /* |