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[18.144.7.244]) by smtp.gmail.com with ESMTPSA id e14-20020a17090301ce00b0016dc26c7d30sm3882135plh.164.2022.08.05.20.34.47 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 05 Aug 2022 20:34:47 -0700 (PDT) From: Leo Yan To: Arnaldo Carvalho de Melo , Ian Rogers , Peter Zijlstra , Ingo Molnar , Mark Rutland , Alexander Shishkin , Jiri Olsa , Namhyung Kim , linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org Cc: Leo Yan Subject: [PATCH 2/2] perf test: Introduce script for java symbol testing Date: Sat, 6 Aug 2022 11:34:34 +0800 Message-Id: <20220806033434.121908-3-leo.yan@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220806033434.121908-1-leo.yan@linaro.org> References: <20220806033434.121908-1-leo.yan@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This commit introduces a script for testing java symbols. The test records for java program, inject samples with JIT samples, then check specific words "Interpreter" and "jdk.internal" in the report, the test will pass if these two symbols are detected. Signed-off-by: Leo Yan --- tools/perf/tests/shell/test_java_symbol.sh | 66 ++++++++++++++++++++++ 1 file changed, 66 insertions(+) create mode 100755 tools/perf/tests/shell/test_java_symbol.sh diff --git a/tools/perf/tests/shell/test_java_symbol.sh b/tools/perf/tests/shell/test_java_symbol.sh new file mode 100755 index 000000000000..45d42a9fdca5 --- /dev/null +++ b/tools/perf/tests/shell/test_java_symbol.sh @@ -0,0 +1,66 @@ +#!/bin/bash +# Test java symbol + +# SPDX-License-Identifier: GPL-2.0 +# Leo Yan , 2022 + +PERF_DATA=$(mktemp /tmp/__perf_test.perf.data.XXXXX) +PERF_INJ_DATA=$(mktemp /tmp/__perf_test.perf.data.inj.XXXXX) + +cleanup_files() +{ + echo "Cleaning up files..." + rm -f ${PERF_DATA} + rm -f ${PERF_INJ_DATA} +} + +trap cleanup_files exit term int + +if [ -e "$PWD/tools/perf/libperf-jvmti.so" ]; then + LIBJVMTI=$PWD/tools/perf/libperf-jvmti.so +elif [ -e "$PWD/libperf-jvmti.so" ]; then + LIBJVMTI=$PWD/libperf-jvmti.so +elif [ -e "$PREFIX/lib64/libperf-jvmti.so" ]; then + LIBJVMTI=$PREFIX/lib64/libperf-jvmti.so +elif [ -e "$PREFIX/lib/libperf-jvmti.so" ]; then + LIBJVMTI=$PREFIX/lib/libperf-jvmti.so +else + echo "Fail to find libperf-jvmti.so" + exit 1 +fi + +cat < 1 ? fib(x - 2) + fib(x - 1) : 1; +} + +int q = 0; + +for (int i = 0; i < 10; i++) + q += fib(i); + +System.out.println(q); +EOF + +if [ $? -ne 0 ]; then + echo "Fail to record for java program" + exit 1 +fi + +if ! perf inject -i $PERF_DATA -o $PERF_INJ_DATA -j; then + echo "Fail to inject samples" + exit 1 +fi + +# Below is an example of the instruction samples reporting: +# 8.18% jshell jitted-50116-29.so [.] Interpreter +# 0.75% Thread-1 jitted-83602-1670.so [.] jdk.internal.jimage.BasicImageReader.getString(int) +perf report --stdio -i ${PERF_INJ_DATA} 2>&1 | \ + egrep " +[0-9]+\.[0-9]+% .* (Interpreter|jdk\.internal).*" > /dev/null 2>&1 + +if [ $? -ne 0 ]; then + echo "Fail to find java symbols" + exit 1 +fi + +exit 0 -- 2.25.1