76 lines · bash
1#!/bin/bash2# Test java symbol3 4# SPDX-License-Identifier: GPL-2.05# Leo Yan <leo.yan@linaro.org>, 20226 7# skip if there's no jshell8if ! [ -x "$(command -v jshell)" ]; then9 echo "skip: no jshell, install JDK"10 exit 211fi12 13PERF_DATA=$(mktemp /tmp/__perf_test.perf.data.XXXXX)14PERF_INJ_DATA=$(mktemp /tmp/__perf_test.perf.data.inj.XXXXX)15 16cleanup_files()17{18 echo "Cleaning up files..."19 rm -f ${PERF_DATA}20 rm -f ${PERF_INJ_DATA}21}22 23trap cleanup_files exit term int24 25if [ -e "$PWD/tools/perf/libperf-jvmti.so" ]; then26 LIBJVMTI=$PWD/tools/perf/libperf-jvmti.so27elif [ -e "$PWD/libperf-jvmti.so" ]; then28 LIBJVMTI=$PWD/libperf-jvmti.so29elif [ -e "$PREFIX/lib64/libperf-jvmti.so" ]; then30 LIBJVMTI=$PREFIX/lib64/libperf-jvmti.so31elif [ -e "$PREFIX/lib/libperf-jvmti.so" ]; then32 LIBJVMTI=$PREFIX/lib/libperf-jvmti.so33elif [ -e "/usr/lib/linux-tools-$(uname -a | awk '{ print $3 }' | sed -r 's/-generic//')/libperf-jvmti.so" ]; then34 LIBJVMTI=/usr/lib/linux-tools-$(uname -a | awk '{ print $3 }' | sed -r 's/-generic//')/libperf-jvmti.so35else36 echo "Fail to find libperf-jvmti.so"37 # JVMTI is a build option, skip the test if fail to find lib38 exit 239fi40 41cat <<EOF | perf record -k 1 -o $PERF_DATA jshell -s -J-agentpath:$LIBJVMTI42int fib(int x) {43 return x > 1 ? fib(x - 2) + fib(x - 1) : 1;44}45 46int q = 0;47 48for (int i = 0; i < 10; i++)49 q += fib(i);50 51System.out.println(q);52EOF53 54if [ $? -ne 0 ]; then55 echo "Fail to record for java program"56 exit 157fi58 59if ! DEBUGINFOD_URLS='' perf inject -i $PERF_DATA -o $PERF_INJ_DATA -j; then60 echo "Fail to inject samples"61 exit 162fi63 64# Below is an example of the instruction samples reporting:65# 8.18% jshell jitted-50116-29.so [.] Interpreter66# 0.75% Thread-1 jitted-83602-1670.so [.] jdk.internal.jimage.BasicImageReader.getString(int)67perf report --stdio -i ${PERF_INJ_DATA} 2>&1 | \68 grep -E " +[0-9]+\.[0-9]+% .* (Interpreter|jdk\.internal).*" > /dev/null 2>&169 70if [ $? -ne 0 ]; then71 echo "Fail to find java symbols"72 exit 173fi74 75exit 076