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CRIU Restore Softmx Functional Tests
Add supporting test cases and related testing scripts. Softmx functionalities: #18168 Functional changes: #19037
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#!/bin/sh | ||
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# | ||
# Copyright IBM Corp. and others 2023 | ||
# | ||
# This program and the accompanying materials are made available under | ||
# the terms of the Eclipse Public License 2.0 which accompanies this | ||
# distribution and is available at https://www.eclipse.org/legal/epl-2.0/ | ||
# or the Apache License, Version 2.0 which accompanies this distribution and | ||
# is available at https://www.apache.org/licenses/LICENSE-2.0. | ||
# | ||
# This Source Code may also be made available under the following | ||
# Secondary Licenses when the conditions for such availability set | ||
# forth in the Eclipse Public License, v. 2.0 are satisfied: GNU | ||
# General Public License, version 2 with the GNU Classpath | ||
# Exception [1] and GNU General Public License, version 2 with the | ||
# OpenJDK Assembly Exception [2]. | ||
# | ||
# [1] https://www.gnu.org/software/classpath/license.html | ||
# [2] https://openjdk.org/legal/assembly-exception.html | ||
# | ||
# SPDX-License-Identifier: EPL-2.0 OR Apache-2.0 OR GPL-2.0-only WITH Classpath-exception-2.0 OR GPL-2.0-only WITH OpenJDK-assembly-exception-1.0 | ||
# | ||
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echo "start running script"; | ||
# the expected arguments are: | ||
# $1 is the TEST_ROOT | ||
# $2 is the JAVA_COMMAND | ||
# $3 is the JVM_OPTIONS | ||
# $4 is the MAINCLASS | ||
# $5 is the APP ARGS | ||
# $6 is the NUM_CHECKPOINT | ||
# $7 is the KEEP_CHECKPOINT | ||
# $8 is the KEEP_TEST_OUTPUT | ||
# $9 is the dynamicHeapAdjustmentForRestore | ||
# $10 is the Xmx | ||
# $11 is the MaxRAMPercentage | ||
# $12 is the Xms | ||
# $13 is the Xsoftmx | ||
# $14 is the expected softmx numerator | ||
# $15 is the expected softmx denominator | ||
echo "export GLIBC_TUNABLES=glibc.cpu.hwcaps=-XSAVEC,-XSAVE,-AVX2,-ERMS,-AVX,-AVX_Fast_Unaligned_Load"; | ||
export GLIBC_TUNABLES=glibc.pthread.rseq=0:glibc.cpu.hwcaps=-XSAVEC,-XSAVE,-AVX2,-ERMS,-AVX,-AVX_Fast_Unaligned_Load | ||
echo "export LD_BIND_NOT=on"; | ||
export LD_BIND_NOT=on | ||
# get the system memory | ||
MEMORY=$(grep MemTotal /proc/meminfo | awk '{print $2}') | ||
MEMORY=$((1024*MEMORY)) | ||
echo "actual memory use" | ||
echo $MEMORY | ||
UPPER=26843545600 | ||
# because the computeDefaultMaxHeapForJava has upper limit for 25 GB | ||
if [ "$MEMORY" -ge "$UPPER" ]; then | ||
# just hard code to meet the required output | ||
echo "Large Heap Pre-checkpoint" | ||
echo "Skip. Machine RAM too large" | ||
exit 1 | ||
fi | ||
XDynamicHeapAdjustment="" | ||
if [ "$9" == true ]; then | ||
XDynamicHeapAdjustment="-XX:+dynamicHeapAdjustmentForRestore" | ||
fi | ||
Xmx="" | ||
if [ "${10}" == true ]; then | ||
Xmx="-Xmx$((MEMORY*2))" | ||
fi | ||
MaxRAMPercentage="" | ||
if [ "${11}" == true ]; then | ||
MaxRAMPercentage="-XX:MaxRAMPercentage=50" | ||
fi | ||
Xms="" | ||
if [ "${12}" == true ]; then | ||
Xms="-Xms$((MEMORY/2))" | ||
fi | ||
Xsoftmx="" | ||
if [ "${13}" == true ]; then | ||
Xsoftmx="-Xsoftmx$((MEMORY/2))" | ||
fi | ||
echo "Xmx" | ||
echo $Xmx | ||
echo "MaxRAMPercentage" | ||
echo $MaxRAMPercentage | ||
echo "Xms" | ||
echo $Xms | ||
echo "Xsoftmx" | ||
echo $Xsoftmx | ||
echo "$2 -XX:+EnableCRIUSupport -XX:+fvtest_testContainerMemLimit $XDynamicHeapAdjustment $Xmx $MaxRAMPercentage $Xms $Xsoftmx $3 -cp "$1/criu.jar" $4 $5 $6 >testOutput 2>&1;" | ||
$2 -XX:+EnableCRIUSupport -XX:+fvtest_testContainerMemLimit $XDynamicHeapAdjustment $Xmx $MaxRAMPercentage $Xms $Xsoftmx $3 -cp "$1/criu.jar" $4 $5 $6 >testOutput 2>&1; | ||
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if [ "$7" != true ]; then | ||
NUM_CHECKPOINT=$6 | ||
for ((i=0; i<$NUM_CHECKPOINT; i++)); do | ||
sleep 2; | ||
criu restore -D ./cpData --shell-job >criuOutput 2>&1; | ||
done | ||
fi | ||
echo "test output" | ||
cat testOutput; | ||
echo "end test output" | ||
echo "" | ||
echo "restore output" | ||
cat criuOutput | ||
echo "end restore output" | ||
echo "" | ||
echo "restore verbose" | ||
cat output.txt | ||
echo "end restore verbose" | ||
if grep -q "Unable to create a thread" criuOutput | ||
then | ||
echo "reach thread error 1" | ||
exit 1 | ||
fi | ||
if grep -q "do not match expected" criuOutput | ||
then | ||
echo "reach thread error 2" | ||
exit 1 | ||
fi | ||
# get the decimal representation of the current softmx value | ||
softMX=$(($(cat output.txt | grep "softMx" | cut -d'"' -f 4))) | ||
echo "actual softmx" | ||
echo $softMX | ||
# assume that 64K is the largest alignment that JVM will apply out of | ||
# extensions->heapAlignment (not in VGC) | ||
# regionSize for standard GCs (not in VGC) | ||
# and pageSize (in VGC) | ||
processedsoftMX=$((softMX - (softMX%(64*1024)))) | ||
echo $processedsoftMX | ||
if [ "$7" != true ]; then | ||
if [ "$8" != true ]; then | ||
rm -rf testOutput criuOutput output.txt | ||
echo "Removed test output files" | ||
fi | ||
fi | ||
if [ "$((${14}))" -eq 0 ]; then | ||
if [ "$softMX" -ne 0 ]; then | ||
echo "Error condition: softMX value should be 0 but it's not." | ||
exit 1 | ||
fi | ||
echo "Success condition: SoftMX value is 0 as expected." | ||
exit 1 | ||
fi | ||
echo "" | ||
echo "" | ||
echo "before alignment expected" | ||
echo $((MEMORY * ${14} / ${15})) | ||
echo "expected softmx" | ||
# same as above, use 64K for alignment | ||
regionAligned=$(((MEMORY * ${14} / ${15}) - ((MEMORY * ${14} / ${15}) % (64*1024)))) | ||
echo $regionAligned | ||
if [ "$((${15}))" -eq 0 ]; then | ||
echo "Error condition: the denominator should never be 0." | ||
exit 1 | ||
else | ||
echo "Both are not 0, we check the proposed softmx against the actual one." | ||
if [ "$processedsoftMX" -eq "$regionAligned" ]; then | ||
echo "Success condition: The proposed softmx equals the actual one." | ||
else | ||
echo "Error condition: the proposed softmx doesn't equal the actual one." | ||
fi | ||
fi | ||
echo "finished script"; |
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