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*/
/* * @test TestLogging * @summary Check that a mixed GC is reflected in the gc logs * @requires vm.gc.G1 * @requires vm.opt.MaxGCPauseMillis == "null" * @library /test/lib / * @modules java.base/jdk.internal.misc * @modules java.management * @build jdk.test.whitebox.WhiteBox * @run driver jdk.test.lib.helpers.ClassFileInstaller jdk.test.whitebox.WhiteBox * @run driver gc.g1.mixedgc.TestLogging
*/
/** * Test spawns MixedGCProvoker in a separate VM and expects to find a message * telling that a mixed gc has happened
*/ publicclass TestLogging { privatestaticfinal String[] COMMON_OPTIONS = new String[]{ "-Xbootclasspath/a:.", "-XX:+UseG1GC", "-XX:+UnlockExperimentalVMOptions", "-XX:+UnlockDiagnosticVMOptions", "-XX:+WhiteBoxAPI", "-Xms10M", "-Xmx10M", "-XX:NewSize=2M", "-XX:MaxNewSize=2M", "-XX:+AlwaysTenure", // surviving promote objects immediately "-XX:InitiatingHeapOccupancyPercent=100", // set initial CMC threshold and disable adaptive IHOP "-XX:-G1UseAdaptiveIHOP", // to avoid additional concurrent cycles caused by ergonomics "-XX:G1MixedGCCountTarget=4", "-XX:MaxGCPauseMillis=30000", // to have enough time "-XX:G1HeapRegionSize=1m", "-XX:G1HeapWastePercent=0", "-XX:G1MixedGCLiveThresholdPercent=100"};
publicstaticvoid main(String args[]) throws Exception { // Test turns logging on by giving -Xlog:gc flag
test("-Xlog:gc,gc+heap=debug"); // Test turns logging on by giving -Xlog:gc=debug flag
test("-Xlog:gc=debug,gc+heap=debug");
}
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