diff options
Diffstat (limited to 'tools/perf/tests/shell/test_java_symbol.sh')
-rwxr-xr-x | tools/perf/tests/shell/test_java_symbol.sh | 75 |
1 files changed, 75 insertions, 0 deletions
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..f221225808a3 --- /dev/null +++ b/tools/perf/tests/shell/test_java_symbol.sh @@ -0,0 +1,75 @@ +#!/bin/bash +# Test java symbol + +# SPDX-License-Identifier: GPL-2.0 +# Leo Yan <leo.yan@linaro.org>, 2022 + +# skip if there's no jshell +if ! [ -x "$(command -v jshell)" ]; then + echo "skip: no jshell, install JDK" + exit 2 +fi + +PERF_DATA=$(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=$PREFIX/lib/libperf-jvmti.so +elif [ -e "/usr/lib/linux-tools-$(uname -a | awk '{ print $3 }' | sed -r 's/-generic//')/libperf-jvmti.so" ]; then + LIBJVMTI=/usr/lib/linux-tools-$(uname -a | awk '{ print $3 }' | sed -r 's/-generic//')/libperf-jvmti.so +else + echo "Fail to find libperf-jvmti.so" + # JVMTI is a build option, skip the test if fail to find lib + exit 2 +fi + +cat <<EOF | perf record -k 1 -o $PERF_DATA jshell -s -J-agentpath:$LIBJVMTI +int fib(int x) { + return x > 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 |