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AJvYcCVIgyT29GlyRDPYVvPqSAyKTM5U9O/CpojE6diATeKj7vbHXgchYqlfjWDBU3SD3MHtU0KIZuauYTgEQjvfUDiz@vger.kernel.org X-Gm-Message-State: AOJu0YxrI8u2KWE60yzG3mwn8iC3SR4NDXXlzXKgMFrVk6Fva2lvkv3o P1BMIvxtF3bBC30jshww3Pub75gjaa3IxDs6570uMKr9jWSvz7gDTFw8gKBF/K8= X-Google-Smtp-Source: AGHT+IHkBX4KzIJzZmErwYTrZ+5GhpDTKAgX+51Byz51rMyHGi/ROqeYUZBfKl487Mq1nQLo3tEQCg== X-Received: by 2002:a05:600c:1c1b:b0:426:6f27:379a with SMTP id 5b1f17b1804b1-42bb01b4c35mr118683625e9.13.1725358918867; Tue, 03 Sep 2024 03:21:58 -0700 (PDT) Received: from localhost.localdomain ([89.47.253.130]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-42bb6e274ccsm168739995e9.37.2024.09.03.03.21.57 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 03 Sep 2024 03:21:58 -0700 (PDT) From: James Clark To: irogers@google.com, linux-perf-users@vger.kernel.org, kan.liang@linux.intel.com, ak@linux.intel.com, namhyung@kernel.org Cc: James Clark , John Garry , Will Deacon , Mike Leach , Leo Yan , Peter Zijlstra , Ingo Molnar , Arnaldo Carvalho de Melo , Mark Rutland , Alexander Shishkin , Jiri Olsa , Adrian Hunter , Weilin Wang , Dominique Martinet , Yang Jihong , Colin Ian King , Athira Rajeev , Howard Chu , Ze Gao , Yunseong Kim , Sun Haiyong , Jing Zhang , Yicong Yang , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH v6 6/7] perf test: Make stat test work on DT devices Date: Tue, 3 Sep 2024 11:19:50 +0100 Message-Id: <20240903102005.78049-7-james.clark@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240903102005.78049-1-james.clark@linaro.org> References: <20240903102005.78049-1-james.clark@linaro.org> Precedence: bulk X-Mailing-List: linux-perf-users@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit PMUs aren't listed in /sys/devices/ on DT devices, so change the search directory to /sys/bus/event_source/devices which works everywhere. Also add armv8_cortex_* as a known PMU type to search for to make the test run on more devices. Signed-off-by: James Clark --- tools/perf/tests/shell/stat.sh | 12 +++++++----- 1 file changed, 7 insertions(+), 5 deletions(-) diff --git a/tools/perf/tests/shell/stat.sh b/tools/perf/tests/shell/stat.sh index 3f1e67795490..525d0c44fdc6 100755 --- a/tools/perf/tests/shell/stat.sh +++ b/tools/perf/tests/shell/stat.sh @@ -117,16 +117,18 @@ test_cputype() { # Find a known PMU for cputype. pmu="" - for i in cpu cpu_atom armv8_pmuv3_0 + devs="/sys/bus/event_source/devices" + for i in $devs/cpu $devs/cpu_atom $devs/armv8_pmuv3_0 $devs/armv8_cortex_* do - if test -d "/sys/devices/$i" + i_base=$(basename "$i") + if test -d "$i" then - pmu="$i" + pmu="$i_base" break fi - if perf stat -e "$i/instructions/" true > /dev/null 2>&1 + if perf stat -e "$i_base/instructions/" true > /dev/null 2>&1 then - pmu="$i" + pmu="$i_base" break fi done -- 2.34.1