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Wed, 19 May 2021 00:20:04 -0700 (PDT) From: Leo Yan To: Arnaldo Carvalho de Melo , James Clark , John Garry , Will Deacon , Mathieu Poirier , Peter Zijlstra , Ingo Molnar , Mark Rutland , Alexander Shishkin , Jiri Olsa , Namhyung Kim , Dave Martin , Al Grant , linux-arm-kernel@lists.infradead.org, linux-perf-users@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Leo Yan Subject: [PATCH v5 5/5] perf arm-spe: Don't wait for PERF_RECORD_EXIT event Date: Wed, 19 May 2021 15:19:39 +0800 Message-Id: <20210519071939.1598923-6-leo.yan@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210519071939.1598923-1-leo.yan@linaro.org> References: <20210519071939.1598923-1-leo.yan@linaro.org> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210519_002005_550994_FC36C2A3 X-CRM114-Status: GOOD ( 15.13 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org When decode Arm SPE trace, it waits for PERF_RECORD_EXIT event (the last perf event) for processing trace data, which is needless and even might cause logic error, e.g. it might fail to correlate perf events with Arm SPE events correctly. So this patch removes the condition checking for PERF_RECORD_EXIT event. Signed-off-by: Leo Yan --- tools/perf/util/arm-spe.c | 6 +----- 1 file changed, 1 insertion(+), 5 deletions(-) diff --git a/tools/perf/util/arm-spe.c b/tools/perf/util/arm-spe.c index 5c5b438584c4..58b7069c5a5f 100644 --- a/tools/perf/util/arm-spe.c +++ b/tools/perf/util/arm-spe.c @@ -717,11 +717,7 @@ static int arm_spe_process_event(struct perf_session *session, sample->time); } } else if (timestamp) { - if (event->header.type == PERF_RECORD_EXIT) { - err = arm_spe_process_queues(spe, timestamp); - if (err) - return err; - } + err = arm_spe_process_queues(spe, timestamp); } return err; -- 2.25.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel