Commit-ID: 6cd4ac6a02c9bc6560faf567ac013902ab9cd039 Gitweb: https://git.kernel.org/tip/6cd4ac6a02c9bc6560faf567ac013902ab9cd039 Author: Leo Yan <leo....@linaro.org> AuthorDate: Mon, 18 Jun 2018 13:09:55 +0800 Committer: Arnaldo Carvalho de Melo <a...@redhat.com> CommitDate: Tue, 24 Jul 2018 14:48:32 -0300
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....@linaro.org> Reviewed-by: Mathieu Poirier <mathieu.poir...@linaro.org> Cc: Alexander Shishkin <alexander.shish...@linux.intel.com> Cc: Jiri Olsa <jo...@redhat.com> Cc: Kim Phillips <kim.phill...@arm.com> Cc: Mike Leach <mike.le...@linaro.org> Cc: Namhyung Kim <namhy...@kernel.org> Cc: Peter Zijlstra <pet...@infradead.org> Cc: Robert Walker <robert.wal...@arm.com> Cc: linux-arm-ker...@lists.infradead.org Link: http://lkml.kernel.org/r/1529298599-3876-3-git-send-email-leo....@linaro.org Signed-off-by: Arnaldo Carvalho de Melo <a...@redhat.com> --- tools/perf/util/cs-etm.c | 3 +++ 1 file changed, 3 insertions(+) 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; /*
