jdk8-mips64-public/hotspot: test/runtime/containers/docker/TestCPUAwareness.java@71aba4a921a0 (annotated)

test/runtime/containers/docker/TestCPUAwareness.java@71aba4a921a0 (annotated)

test/runtime/containers/docker/TestCPUAwareness.java

Thu, 31 Jan 2019 23:56:37 +0800

author: aoqi
date: Thu, 31 Jan 2019 23:56:37 +0800
changeset 9657: 71aba4a921a0
parent 9421: 6cfec782c42c
child 9992: 1d9ed8dec94c
permissions: -rw-r--r--

8217597: [TESTBUG] old version docker does not support --cpus
Summary: "--cpus" is only available in Docker 1.13 and higher, and is the equivalent of setting both --cpu-period and --cpu-quota.
Reviewed-by: bobv, dholmes
Contributed-by: aoqi@loongson.cn

 /*
  * Copyright (c) 2018, 2019, 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
  * @summary Test JVM's CPU resource awareness when running inside docker container
  * @library /testlibrary
  * @run driver TestCPUAwareness
  */
 import java.util.List;
 import com.oracle.java.testlibrary.Common;
 import com.oracle.java.testlibrary.DockerTestUtils;
 import com.oracle.java.testlibrary.DockerRunOptions;
 public class TestCPUAwareness {
 private static final String imageName = Common.imageName("cpu");
     private static final int availableCPUs = Runtime.getRuntime().availableProcessors();
     public static void main(String[] args) throws Exception {
         if (!DockerTestUtils.canTestDocker()) {
             return;
         }
         System.out.println("Test Environment: detected availableCPUs = " + availableCPUs);
         DockerTestUtils.buildJdkDockerImage(imageName, "Dockerfile-BasicTest", "jdk-docker");
         try {
             // cpuset, period, shares, expected Active Processor Count
             testComboWithCpuSets();
             // cpu shares - it should be safe to use CPU shares exceeding available CPUs
             testCpuShares(256, 1);
             testCpuShares(2048, 2);
             testCpuShares(4096, 4);
             // leave one CPU for system and tools, otherwise this test may be unstable
             int maxNrOfAvailableCpus =  availableCPUs - 1;
             for (int i=1; i < maxNrOfAvailableCpus; i = i * 2) {
                 testCpus(i, i);
             }
             // If ActiveProcessorCount is set, the VM should use it, regardless of other
             // container settings, host settings or available CPUs on the host.
             testActiveProcessorCount(1, 1);
             testActiveProcessorCount(2, 2);
             // cpu quota and period
             testCpuQuotaAndPeriod(50*1000, 100*1000);
             testCpuQuotaAndPeriod(100*1000, 100*1000);
             testCpuQuotaAndPeriod(150*1000, 100*1000);
             testCpuQuotaAndPeriod(400*1000, 100*1000);
         } finally {
             DockerTestUtils.removeDockerImage(imageName);
         }
     }
     private static void testComboWithCpuSets() throws Exception {
         String cpuSetStr = CPUSetsReader.readFromProcStatus("Cpus_allowed_list");
         System.out.println("cpuSetStr = " + cpuSetStr);
         if (cpuSetStr == null) {
             System.out.printf("The cpuset test cases are skipped");
         } else {
             List<Integer> cpuSet = CPUSetsReader.parseCpuSet(cpuSetStr);
             // Test subset of cpuset with one element
             if (cpuSet.size() >= 1) {
                 String testCpuSet = CPUSetsReader.listToString(cpuSet, 1);
                 testAPCCombo(testCpuSet, 200*1000, 100*1000,   4*1024, true, 1);
             }
             // Test subset of cpuset with two elements
             if (cpuSet.size() >= 2) {
                 String testCpuSet = CPUSetsReader.listToString(cpuSet, 2);
                 testAPCCombo(testCpuSet, 200*1000, 100*1000, 4*1024, true, 2);
                 testAPCCombo(testCpuSet, 200*1000, 100*1000, 1023,   true, 2);
                 testAPCCombo(testCpuSet, 200*1000, 100*1000, 1023,   false,  1);
             }
             // Test subset of cpuset with three elements
             if (cpuSet.size() >= 3) {
                 String testCpuSet = CPUSetsReader.listToString(cpuSet, 3);
                 testAPCCombo(testCpuSet, 100*1000, 100*1000, 2*1024, true, 1);
                 testAPCCombo(testCpuSet, 200*1000, 100*1000, 1023,   true, 2);
                 testAPCCombo(testCpuSet, 200*1000, 100*1000, 1023,   false,  1);
             }
         }
     }
     private static void testActiveProcessorCount(int valueToSet, int expectedValue) throws Exception {
         Common.logNewTestCase("Test ActiveProcessorCount: valueToSet = " + valueToSet);
         DockerRunOptions opts = Common.newOpts(imageName)
             .addJavaOpts("-XX:ActiveProcessorCount=" + valueToSet, "-XX:+UnlockDiagnosticVMOptions", "-XX:+PrintActiveCpus");
         Common.run(opts)
             .shouldMatch("active processor count set by user.*" + expectedValue);
     }
     private static void testCpus(int valueToSet, int expectedTraceValue) throws Exception {
         Common.logNewTestCase("test cpus: " + valueToSet);
         DockerRunOptions opts = Common.newOpts(imageName)
             .addDockerOpts("--cpu-period=" + 10000)
             .addDockerOpts("--cpu-quota=" + valueToSet * 10000);
         Common.run(opts)
             .shouldMatch("active_processor_count.*" + expectedTraceValue);
     }
     // Expected active processor count can not exceed available CPU count
     private static int adjustExpectedAPCForAvailableCPUs(int expectedAPC) {
         if (expectedAPC > availableCPUs) {
             expectedAPC = availableCPUs;
             System.out.println("Adjusted expectedAPC = " + expectedAPC);
         }
         return expectedAPC;
     }
     private static void testCpuQuotaAndPeriod(int quota, int period)
         throws Exception {
         Common.logNewTestCase("test cpu quota and period: ");
         System.out.println("quota = " + quota);
         System.out.println("period = " + period);
         int expectedAPC = (int) Math.ceil((float) quota / (float) period);
         System.out.println("expectedAPC = " + expectedAPC);
         expectedAPC = adjustExpectedAPCForAvailableCPUs(expectedAPC);
         DockerRunOptions opts = Common.newOpts(imageName)
             .addDockerOpts("--cpu-period=" + period)
             .addDockerOpts("--cpu-quota=" + quota);
         Common.run(opts)
             .shouldMatch("CPU Period is.*" + period)
             .shouldMatch("CPU Quota is.*" + quota)
             .shouldMatch("active_processor_count.*" + expectedAPC);
     }
     // Test correctess of automatically selected active processor cound
     private static void testAPCCombo(String cpuset, int quota, int period, int shares,
                                      boolean usePreferContainerQuotaForCPUCount,
                                      int expectedAPC) throws Exception {
         Common.logNewTestCase("test APC Combo");
         System.out.println("cpuset = " + cpuset);
         System.out.println("quota = " + quota);
         System.out.println("period = " + period);
         System.out.println("shares = " + period);
         System.out.println("usePreferContainerQuotaForCPUCount = " + usePreferContainerQuotaForCPUCount);
         System.out.println("expectedAPC = " + expectedAPC);
         expectedAPC = adjustExpectedAPCForAvailableCPUs(expectedAPC);
         DockerRunOptions opts = Common.newOpts(imageName)
             .addDockerOpts("--cpuset-cpus", "" + cpuset)
             .addDockerOpts("--cpu-period=" + period)
             .addDockerOpts("--cpu-quota=" + quota)
             .addDockerOpts("--cpu-shares=" + shares);
         if (!usePreferContainerQuotaForCPUCount) opts.addJavaOpts("-XX:-PreferContainerQuotaForCPUCount");
         Common.run(opts)
             .shouldMatch("active_processor_count.*" + expectedAPC);
     }
     private static void testCpuShares(int shares, int expectedAPC) throws Exception {
         Common.logNewTestCase("test cpu shares, shares = " + shares);
         System.out.println("expectedAPC = " + expectedAPC);
         expectedAPC = adjustExpectedAPCForAvailableCPUs(expectedAPC);
         DockerRunOptions opts = Common.newOpts(imageName)
             .addDockerOpts("--cpu-shares=" + shares);
         Common.run(opts)
             .shouldMatch("CPU Shares is.*" + shares)
             .shouldMatch("active_processor_count.*" + expectedAPC);
     }
 }

Mercurial > jdk8-mips64-public > hotspot / annotate

test/runtime/containers/docker/TestCPUAwareness.java@71aba4a921a0 (annotated)

test/runtime/containers/docker/TestCPUAwareness.java