76 lines
1.9 KiB
Bash
76 lines
1.9 KiB
Bash
|
#!/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
|