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[111.250.44.108]) by smtp.gmail.com with ESMTPSA id e11-20020a50becb000000b0041b64129200sm475834edk.50.2022.04.12.18.02.34 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 12 Apr 2022 18:02:39 -0700 (PDT) From: Leo Yan To: Arnaldo Carvalho de Melo , Peter Zijlstra , Ingo Molnar , Mark Rutland , Alexander Shishkin , Jiri Olsa , Namhyung Kim , James Clark , German Gomez , linux-perf-users@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Leo Yan Subject: [PATCH] perf arm-spe: Test memory samples Date: Wed, 13 Apr 2022 09:02:21 +0800 Message-Id: <20220413010221.81332-1-leo.yan@linaro.org> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Spam-Status: No, score=1.2 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_NONE, RCVD_IN_SBL_CSS,SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=no autolearn_force=no version=3.4.6 X-Spam-Level: * X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Add a new test to verify the Arm SPE synthesized memory samples with 'perf mem report' command. Signed-off-by: Leo Yan --- tools/perf/tests/shell/test_arm_spe.sh | 15 ++++++++++++++- 1 file changed, 14 insertions(+), 1 deletion(-) diff --git a/tools/perf/tests/shell/test_arm_spe.sh b/tools/perf/tests/shell/test_arm_spe.sh index e59044edc406..b36125e127eb 100755 --- a/tools/perf/tests/shell/test_arm_spe.sh +++ b/tools/perf/tests/shell/test_arm_spe.sh @@ -62,6 +62,18 @@ perf_report_samples() { egrep " +[0-9]+\.[0-9]+% +[0-9]+\.[0-9]+% +$1 " > /dev/null 2>&1 } +perf_mem_report_samples() { + echo "Looking at perf.data file for reporting memory samples:" + + # Below is an example of the memory samples reporting: + # 20.71% 1696 27 L1 hit [k] el0t_64_sync_handler [kernel.kallsyms] ... + # 17.21% 1903 20 L1 hit [k] el0t_64_sync [kernel.kallsyms] ... + # 8.52% 897 21 L1 hit [k] ksys_read [kernel.kallsyms] ... + # 0.12% 16 17 L1 hit [.] 0x0000000000004ce8 dd ... + perf mem report --stdio -i ${perfdata} 2>&1 | \ + egrep " +[0-9]+\.[0-9]+% +[0-9]+ +[0-9]+ .* +$1 " > /dev/null 2>&1 +} + arm_spe_snapshot_test() { echo "Recording trace with snapshot mode $perfdata" perf record -o ${perfdata} -e arm_spe// -S \ @@ -79,7 +91,8 @@ arm_spe_snapshot_test() { wait $PERFPID perf_script_samples dd && - perf_report_samples dd + perf_report_samples dd && + perf_mem_report_samples dd err=$? arm_spe_report "SPE snapshot testing" $err -- 2.25.1