/* * 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. */ /* * @test CheckCompileThresholdScaling * @bug 8059604 * @summary Add CompileThresholdScaling flag to control when methods are first compiled (with +/-TieredCompilation) * @library /test/lib * @modules java.base/jdk.internal.misc * java.management * @run driver compiler.arguments.CheckCompileThresholdScaling */ package compiler.arguments; import jdk.test.lib.process.OutputAnalyzer; import jdk.test.lib.process.ProcessTools; 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} {command line}", "double CompileThresholdScaling = 1.000000 {product} {default}" }, { "intx CompileThreshold = 1250 {pd product} {command line, ergonomic}", "double CompileThresholdScaling = 1.250000 {product} {command line}" }, { "intx CompileThreshold = 750 {pd product} {command line, ergonomic}", "double CompileThresholdScaling = 0.750000 {product} {command line}" }, { "intx CompileThreshold = 1000 {pd product} {command line}", "double CompileThresholdScaling = 0.000000 {product} {command line}", "interpreted mode" }, { "intx CompileThreshold = 0 {pd product} {command line, ergonomic}", "double CompileThresholdScaling = 0.750000 {product} {command line}", "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} {command line}", "intx Tier0InvokeNotifyFreqLog = 7 {product} {command line}", "intx Tier23InlineeNotifyFreqLog = 20 {product} {command line}", "intx Tier2BackedgeNotifyFreqLog = 14 {product} {command line}", "intx Tier2InvokeNotifyFreqLog = 11 {product} {command line}", "intx Tier3BackEdgeThreshold = 60000 {product} {command line}", "intx Tier3BackedgeNotifyFreqLog = 13 {product} {command line}", "intx Tier3CompileThreshold = 2000 {product} {command line}", "intx Tier3InvocationThreshold = 200 {product} {command line}", "intx Tier3InvokeNotifyFreqLog = 10 {product} {command line}", "intx Tier3MinInvocationThreshold = 100 {product} {command line}", "intx Tier4BackEdgeThreshold = 40000 {product} {command line}", "intx Tier4CompileThreshold = 15000 {product} {command line}", "intx Tier4InvocationThreshold = 5000 {product} {command line}", "intx Tier4MinInvocationThreshold = 600 {product} {command line}", "double CompileThresholdScaling = 1.000000 {product} {default}" }, { "intx Tier0BackedgeNotifyFreqLog = 9 {product} {command line, ergonomic}", "intx Tier0InvokeNotifyFreqLog = 6 {product} {command line, ergonomic}", "intx Tier23InlineeNotifyFreqLog = 19 {product} {command line, ergonomic}", "intx Tier2BackedgeNotifyFreqLog = 13 {product} {command line, ergonomic}", "intx Tier2InvokeNotifyFreqLog = 10 {product} {command line, ergonomic}", "intx Tier3BackEdgeThreshold = 45000 {product} {command line, ergonomic}", "intx Tier3BackedgeNotifyFreqLog = 12 {product} {command line, ergonomic}", "intx Tier3CompileThreshold = 1500 {product} {command line, ergonomic}", "intx Tier3InvocationThreshold = 150 {product} {command line, ergonomic}", "intx Tier3InvokeNotifyFreqLog = 9 {product} {command line, ergonomic}", "intx Tier3MinInvocationThreshold = 75 {product} {command line, ergonomic}", "intx Tier4BackEdgeThreshold = 30000 {product} {command line, ergonomic}", "intx Tier4CompileThreshold = 11250 {product} {command line, ergonomic}", "intx Tier4InvocationThreshold = 3750 {product} {command line, ergonomic}", "intx Tier4MinInvocationThreshold = 450 {product} {command line, ergonomic}", "double CompileThresholdScaling = 0.750000 {product} {command line}" }, { "intx Tier0BackedgeNotifyFreqLog = 10 {product} {command line, ergonomic}", "intx Tier0InvokeNotifyFreqLog = 7 {product} {command line, ergonomic}", "intx Tier23InlineeNotifyFreqLog = 20 {product} {command line, ergonomic}", "intx Tier2BackedgeNotifyFreqLog = 14 {product} {command line, ergonomic}", "intx Tier2InvokeNotifyFreqLog = 11 {product} {command line, ergonomic}", "intx Tier3BackEdgeThreshold = 75000 {product} {command line, ergonomic}", "intx Tier3BackedgeNotifyFreqLog = 13 {product} {command line, ergonomic}", "intx Tier3CompileThreshold = 2500 {product} {command line, ergonomic}", "intx Tier3InvocationThreshold = 250 {product} {command line, ergonomic}", "intx Tier3InvokeNotifyFreqLog = 10 {product} {command line, ergonomic}", "intx Tier3MinInvocationThreshold = 125 {product} {command line, ergonomic}", "intx Tier4BackEdgeThreshold = 50000 {product} {command line, ergonomic}", "intx Tier4CompileThreshold = 18750 {product} {command line, ergonomic}", "intx Tier4InvocationThreshold = 6250 {product} {command line, ergonomic}", "intx Tier4MinInvocationThreshold = 750 {product} {command line, ergonomic}", "double CompileThresholdScaling = 1.250000 {product} {command line}" }, { "intx Tier0BackedgeNotifyFreqLog = 11 {product} {command line, ergonomic}", "intx Tier0InvokeNotifyFreqLog = 8 {product} {command line, ergonomic}", "intx Tier23InlineeNotifyFreqLog = 21 {product} {command line, ergonomic}", "intx Tier2BackedgeNotifyFreqLog = 15 {product} {command line, ergonomic}", "intx Tier2InvokeNotifyFreqLog = 12 {product} {command line, ergonomic}", "intx Tier3BackEdgeThreshold = 120000 {product} {command line, ergonomic}", "intx Tier3BackedgeNotifyFreqLog = 14 {product} {command line, ergonomic}", "intx Tier3CompileThreshold = 4000 {product} {command line, ergonomic}", "intx Tier3InvocationThreshold = 400 {product} {command line, ergonomic}", "intx Tier3InvokeNotifyFreqLog = 11 {product} {command line, ergonomic}", "intx Tier3MinInvocationThreshold = 200 {product} {command line, ergonomic}", "intx Tier4BackEdgeThreshold = 80000 {product} {command line, ergonomic}", "intx Tier4CompileThreshold = 30000 {product} {command line, ergonomic}", "intx Tier4InvocationThreshold = 10000 {product} {command line, ergonomic}", "intx Tier4MinInvocationThreshold = 1200 {product} {command line, ergonomic}", "double CompileThresholdScaling = 2.000000 {product} {command line}" }, { "intx Tier0BackedgeNotifyFreqLog = 10 {product} {command line}", "intx Tier0InvokeNotifyFreqLog = 7 {product} {command line}", "intx Tier23InlineeNotifyFreqLog = 20 {product} {command line}", "intx Tier2BackedgeNotifyFreqLog = 14 {product} {command line}", "intx Tier2InvokeNotifyFreqLog = 11 {product} {command line}", "intx Tier3BackEdgeThreshold = 60000 {product} {command line}", "intx Tier3BackedgeNotifyFreqLog = 13 {product} {command line}", "intx Tier3CompileThreshold = 2000 {product} {command line}", "intx Tier3InvocationThreshold = 200 {product} {command line}", "intx Tier3InvokeNotifyFreqLog = 10 {product} {command line}", "intx Tier3MinInvocationThreshold = 100 {product} {command line}", "intx Tier4BackEdgeThreshold = 40000 {product} {command line}", "intx Tier4CompileThreshold = 15000 {product} {command line}", "intx Tier4InvocationThreshold = 5000 {product} {command line}", "intx Tier4MinInvocationThreshold = 600 {product} {command line}", "double CompileThresholdScaling = 0.000000 {product} {command line}", "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); } } }