/* * Copyright (c) 2014, 2016, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ import jdk.test.lib.*; /* * @test CheckCompileThresholdScaling * @bug 8059604 * @summary "Add CompileThresholdScaling flag to control when methods are first compiled (with +/-TieredCompilation)" * @library /testlibrary * @modules java.base/sun.misc * java.management * @run main CheckCompileThresholdScaling */ public class CheckCompileThresholdScaling { // The flag CompileThresholdScaling scales compilation thresholds // in the following way: // // - if CompileThresholdScaling==1.0, the default threshold values // are used; // // - if CompileThresholdScaling>1.0, threshold values are scaled // up (e.g., CompileThresholdScalingPercentage=1.2 scales up // thresholds by a factor of 1.2X); // // - if CompileThresholdScaling<1.0, threshold values are scaled // down; // // - if CompileThresholdScaling==0, compilation is disabled // (equivalent to using -Xint). // // With tiered compilation enabled, the values of the following // flags are changed: // // Tier0InvokeNotifyFreqLog, Tier0BackedgeNotifyFreqLog, // Tier3InvocationThreshold, Tier3MinInvocationThreshold, // Tier3CompileThreshold, Tier3BackEdgeThreshold, // Tier2InvokeNotifyFreqLog, Tier2BackedgeNotifyFreqLog, // Tier3InvokeNotifyFreqLog, Tier3BackedgeNotifyFreqLog, // Tier23InlineeNotifyFreqLog, Tier4InvocationThreshold, // Tier4MinInvocationThreshold, Tier4CompileThreshold, // Tier4BackEdgeThreshold // // With tiered compilation disabled the value of CompileThreshold // is scaled. private static final String[][] NON_TIERED_ARGUMENTS = { { "-XX:-TieredCompilation", "-XX:+PrintFlagsFinal", "-XX:CompileThreshold=1000", "-version" }, { "-XX:-TieredCompilation", "-XX:+PrintFlagsFinal", "-XX:CompileThreshold=1000", "-XX:CompileThresholdScaling=1.25", "-version" }, { "-XX:-TieredCompilation", "-XX:+PrintFlagsFinal", "-XX:CompileThreshold=1000", "-XX:CompileThresholdScaling=0.75", "-version" }, { "-XX:-TieredCompilation", "-XX:+PrintFlagsFinal", "-XX:CompileThreshold=1000", "-XX:CompileThresholdScaling=0.0", "-version" }, { "-XX:-TieredCompilation", "-XX:+PrintFlagsFinal", "-XX:CompileThreshold=0", "-XX:CompileThresholdScaling=0.75", "-version" } }; private static final String[][] NON_TIERED_EXPECTED_OUTPUTS = { { "intx CompileThreshold := 1000 {pd product}", "double CompileThresholdScaling = 1.000000 {product}" }, { "intx CompileThreshold := 1250 {pd product}", "double CompileThresholdScaling := 1.250000 {product}" }, { "intx CompileThreshold := 750 {pd product}", "double CompileThresholdScaling := 0.750000 {product}" }, { "intx CompileThreshold := 1000 {pd product}", "double CompileThresholdScaling := 0.000000 {product}", "interpreted mode" }, { "intx CompileThreshold := 0 {pd product}", "double CompileThresholdScaling := 0.750000 {product}", "interpreted mode" } }; private static final String[][] TIERED_ARGUMENTS = { { "-XX:+TieredCompilation", "-XX:+PrintFlagsFinal", "-XX:Tier0InvokeNotifyFreqLog=7", "-XX:Tier0BackedgeNotifyFreqLog=10", "-XX:Tier3InvocationThreshold=200", "-XX:Tier3MinInvocationThreshold=100", "-XX:Tier3CompileThreshold=2000", "-XX:Tier3BackEdgeThreshold=60000", "-XX:Tier2InvokeNotifyFreqLog=11", "-XX:Tier2BackedgeNotifyFreqLog=14", "-XX:Tier3InvokeNotifyFreqLog=10", "-XX:Tier3BackedgeNotifyFreqLog=13", "-XX:Tier23InlineeNotifyFreqLog=20", "-XX:Tier4InvocationThreshold=5000", "-XX:Tier4MinInvocationThreshold=600", "-XX:Tier4CompileThreshold=15000", "-XX:Tier4BackEdgeThreshold=40000", "-version" }, { "-XX:+TieredCompilation", "-XX:+PrintFlagsFinal", "-XX:Tier0InvokeNotifyFreqLog=7", "-XX:Tier0BackedgeNotifyFreqLog=10", "-XX:Tier3InvocationThreshold=200", "-XX:Tier3MinInvocationThreshold=100", "-XX:Tier3CompileThreshold=2000", "-XX:Tier3BackEdgeThreshold=60000", "-XX:Tier2InvokeNotifyFreqLog=11", "-XX:Tier2BackedgeNotifyFreqLog=14", "-XX:Tier3InvokeNotifyFreqLog=10", "-XX:Tier3BackedgeNotifyFreqLog=13", "-XX:Tier23InlineeNotifyFreqLog=20", "-XX:Tier4InvocationThreshold=5000", "-XX:Tier4MinInvocationThreshold=600", "-XX:Tier4CompileThreshold=15000", "-XX:Tier4BackEdgeThreshold=40000", "-XX:CompileThresholdScaling=0.75", "-version" }, { "-XX:+TieredCompilation", "-XX:+PrintFlagsFinal", "-XX:Tier0InvokeNotifyFreqLog=7", "-XX:Tier0BackedgeNotifyFreqLog=10", "-XX:Tier3InvocationThreshold=200", "-XX:Tier3MinInvocationThreshold=100", "-XX:Tier3CompileThreshold=2000", "-XX:Tier3BackEdgeThreshold=60000", "-XX:Tier2InvokeNotifyFreqLog=11", "-XX:Tier2BackedgeNotifyFreqLog=14", "-XX:Tier3InvokeNotifyFreqLog=10", "-XX:Tier3BackedgeNotifyFreqLog=13", "-XX:Tier23InlineeNotifyFreqLog=20", "-XX:Tier4InvocationThreshold=5000", "-XX:Tier4MinInvocationThreshold=600", "-XX:Tier4CompileThreshold=15000", "-XX:Tier4BackEdgeThreshold=40000", "-XX:CompileThresholdScaling=1.25", "-version" }, { "-XX:+TieredCompilation", "-XX:+PrintFlagsFinal", "-XX:Tier0InvokeNotifyFreqLog=7", "-XX:Tier0BackedgeNotifyFreqLog=10", "-XX:Tier3InvocationThreshold=200", "-XX:Tier3MinInvocationThreshold=100", "-XX:Tier3CompileThreshold=2000", "-XX:Tier3BackEdgeThreshold=60000", "-XX:Tier2InvokeNotifyFreqLog=11", "-XX:Tier2BackedgeNotifyFreqLog=14", "-XX:Tier3InvokeNotifyFreqLog=10", "-XX:Tier3BackedgeNotifyFreqLog=13", "-XX:Tier23InlineeNotifyFreqLog=20", "-XX:Tier4InvocationThreshold=5000", "-XX:Tier4MinInvocationThreshold=600", "-XX:Tier4CompileThreshold=15000", "-XX:Tier4BackEdgeThreshold=40000", "-XX:CompileThresholdScaling=2.0", "-version" }, { "-XX:+TieredCompilation", "-XX:+PrintFlagsFinal", "-XX:Tier0InvokeNotifyFreqLog=7", "-XX:Tier0BackedgeNotifyFreqLog=10", "-XX:Tier3InvocationThreshold=200", "-XX:Tier3MinInvocationThreshold=100", "-XX:Tier3CompileThreshold=2000", "-XX:Tier3BackEdgeThreshold=60000", "-XX:Tier2InvokeNotifyFreqLog=11", "-XX:Tier2BackedgeNotifyFreqLog=14", "-XX:Tier3InvokeNotifyFreqLog=10", "-XX:Tier3BackedgeNotifyFreqLog=13", "-XX:Tier23InlineeNotifyFreqLog=20", "-XX:Tier4InvocationThreshold=5000", "-XX:Tier4MinInvocationThreshold=600", "-XX:Tier4CompileThreshold=15000", "-XX:Tier4BackEdgeThreshold=40000", "-XX:CompileThresholdScaling=0.0", "-version" } }; private static final String[][] TIERED_EXPECTED_OUTPUTS = { { "intx Tier0BackedgeNotifyFreqLog := 10 {product}", "intx Tier0InvokeNotifyFreqLog := 7 {product}", "intx Tier23InlineeNotifyFreqLog := 20 {product}", "intx Tier2BackedgeNotifyFreqLog := 14 {product}", "intx Tier2InvokeNotifyFreqLog := 11 {product}", "intx Tier3BackEdgeThreshold := 60000 {product}", "intx Tier3BackedgeNotifyFreqLog := 13 {product}", "intx Tier3CompileThreshold := 2000 {product}", "intx Tier3InvocationThreshold := 200 {product}", "intx Tier3InvokeNotifyFreqLog := 10 {product}", "intx Tier3MinInvocationThreshold := 100 {product}", "intx Tier4BackEdgeThreshold := 40000 {product}", "intx Tier4CompileThreshold := 15000 {product}", "intx Tier4InvocationThreshold := 5000 {product}", "intx Tier4MinInvocationThreshold := 600 {product}", "double CompileThresholdScaling = 1.000000 {product}" }, { "intx Tier0BackedgeNotifyFreqLog := 9 {product}", "intx Tier0InvokeNotifyFreqLog := 6 {product}", "intx Tier23InlineeNotifyFreqLog := 19 {product}", "intx Tier2BackedgeNotifyFreqLog := 13 {product}", "intx Tier2InvokeNotifyFreqLog := 10 {product}", "intx Tier3BackEdgeThreshold := 45000 {product}", "intx Tier3BackedgeNotifyFreqLog := 12 {product}", "intx Tier3CompileThreshold := 1500 {product}", "intx Tier3InvocationThreshold := 150 {product}", "intx Tier3InvokeNotifyFreqLog := 9 {product}", "intx Tier3MinInvocationThreshold := 75 {product}", "intx Tier4BackEdgeThreshold := 30000 {product}", "intx Tier4CompileThreshold := 11250 {product}", "intx Tier4InvocationThreshold := 3750 {product}", "intx Tier4MinInvocationThreshold := 450 {product}", "double CompileThresholdScaling := 0.750000 {product}" }, { "intx Tier0BackedgeNotifyFreqLog := 10 {product}", "intx Tier0InvokeNotifyFreqLog := 7 {product}", "intx Tier23InlineeNotifyFreqLog := 20 {product}", "intx Tier2BackedgeNotifyFreqLog := 14 {product}", "intx Tier2InvokeNotifyFreqLog := 11 {product}", "intx Tier3BackEdgeThreshold := 75000 {product}", "intx Tier3BackedgeNotifyFreqLog := 13 {product}", "intx Tier3CompileThreshold := 2500 {product}", "intx Tier3InvocationThreshold := 250 {product}", "intx Tier3InvokeNotifyFreqLog := 10 {product}", "intx Tier3MinInvocationThreshold := 125 {product}", "intx Tier4BackEdgeThreshold := 50000 {product}", "intx Tier4CompileThreshold := 18750 {product}", "intx Tier4InvocationThreshold := 6250 {product}", "intx Tier4MinInvocationThreshold := 750 {product}", "double CompileThresholdScaling := 1.250000 {product}" }, { "intx Tier0BackedgeNotifyFreqLog := 11 {product}", "intx Tier0InvokeNotifyFreqLog := 8 {product}", "intx Tier23InlineeNotifyFreqLog := 21 {product}", "intx Tier2BackedgeNotifyFreqLog := 15 {product}", "intx Tier2InvokeNotifyFreqLog := 12 {product}", "intx Tier3BackEdgeThreshold := 120000 {product}", "intx Tier3BackedgeNotifyFreqLog := 14 {product}", "intx Tier3CompileThreshold := 4000 {product}", "intx Tier3InvocationThreshold := 400 {product}", "intx Tier3InvokeNotifyFreqLog := 11 {product}", "intx Tier3MinInvocationThreshold := 200 {product}", "intx Tier4BackEdgeThreshold := 80000 {product}", "intx Tier4CompileThreshold := 30000 {product}", "intx Tier4InvocationThreshold := 10000 {product}", "intx Tier4MinInvocationThreshold := 1200 {product}", "double CompileThresholdScaling := 2.000000 {product}" }, { "intx Tier0BackedgeNotifyFreqLog := 10 {product}", "intx Tier0InvokeNotifyFreqLog := 7 {product}", "intx Tier23InlineeNotifyFreqLog := 20 {product}", "intx Tier2BackedgeNotifyFreqLog := 14 {product}", "intx Tier2InvokeNotifyFreqLog := 11 {product}", "intx Tier3BackEdgeThreshold := 60000 {product}", "intx Tier3BackedgeNotifyFreqLog := 13 {product}", "intx Tier3CompileThreshold := 2000 {product}", "intx Tier3InvocationThreshold := 200 {product}", "intx Tier3InvokeNotifyFreqLog := 10 {product}", "intx Tier3MinInvocationThreshold := 100 {product}", "intx Tier4BackEdgeThreshold := 40000 {product}", "intx Tier4CompileThreshold := 15000 {product}", "intx Tier4InvocationThreshold := 5000 {product}", "intx Tier4MinInvocationThreshold := 600 {product}", "double CompileThresholdScaling := 0.000000 {product}", "interpreted mode" } }; private static void verifyValidOption(String[] arguments, String[] expected_outputs, boolean tiered) throws Exception { ProcessBuilder pb; OutputAnalyzer out; pb = ProcessTools.createJavaProcessBuilder(arguments); out = new OutputAnalyzer(pb.start()); try { for (String expected_output : expected_outputs) { out.shouldContain(expected_output); } out.shouldHaveExitValue(0); } catch (RuntimeException e) { // Check if tiered compilation is available in this JVM // Version. Throw exception only if it is available. if (!(tiered && out.getOutput().contains("-XX:+TieredCompilation not supported in this VM"))) { throw new RuntimeException(e); } } } public static void main(String[] args) throws Exception { if (NON_TIERED_ARGUMENTS.length != NON_TIERED_EXPECTED_OUTPUTS.length) { throw new RuntimeException("Test is set up incorrectly: length of arguments and expected outputs in non-tiered mode of operation does not match."); } if (TIERED_ARGUMENTS.length != TIERED_EXPECTED_OUTPUTS.length) { throw new RuntimeException("Test is set up incorrectly: length of arguments and expected outputs in tiered mode of operation."); } // Check if thresholds are scaled properly in non-tiered mode of operation for (int i = 0; i < NON_TIERED_ARGUMENTS.length; i++) { verifyValidOption(NON_TIERED_ARGUMENTS[i], NON_TIERED_EXPECTED_OUTPUTS[i], false); } // Check if thresholds are scaled properly in tiered mode of operation for (int i = 0; i < TIERED_ARGUMENTS.length; i++) { verifyValidOption(TIERED_ARGUMENTS[i], TIERED_EXPECTED_OUTPUTS[i], true); } } }