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test/hotspot/jtreg/gc/epsilon/TestManyThreads.java
branchepsilon-gc-branch
changeset 56540 ada11a8e2ebc
parent 56350 56014b46de69
child 56629 98acdabed742
equal deleted inserted replaced
56536:9931d138b808 56540:ada11a8e2ebc 
    21  * questions.
 
    21  * questions.
 
    22  */
 
    22  */
 
    23 
    23 
    24 /**
 
    24 /**
 
    25  * @test TestManyThreads
 
    25  * @test TestManyThreads
 
       
    26  * @key gc
 
       
    27  * @requires vm.gc.Epsilon
 
       
    28  * @summary Test allocations from many threads
 
    26  *
 
    29  *
 
    27  * @run main/othervm -Xmx128m -Xss512k                                        -XX:-UseTLAB -XX:+UnlockExperimentalVMOptions -XX:+IgnoreUnrecognizedVMOptions -XX:+UseEpsilonGC TestManyThreads
 
    30  * @run main/othervm -Xmx128m -Xss512k                                        -XX:-UseTLAB -XX:+UnlockExperimentalVMOptions -XX:+UseEpsilonGC TestManyThreads
 
    28  * @run main/othervm -Xmx128m -Xss512k -Xint                                  -XX:-UseTLAB -XX:+UnlockExperimentalVMOptions -XX:+IgnoreUnrecognizedVMOptions -XX:+UseEpsilonGC TestManyThreads
 
    31  * @run main/othervm -Xmx128m -Xss512k -Xint                                  -XX:-UseTLAB -XX:+UnlockExperimentalVMOptions -XX:+UseEpsilonGC TestManyThreads
 
    29  * @run main/othervm -Xmx128m -Xss512k -Xbatch -Xcomp                         -XX:-UseTLAB -XX:+UnlockExperimentalVMOptions -XX:+IgnoreUnrecognizedVMOptions -XX:+UseEpsilonGC TestManyThreads
 
    32  * @run main/othervm -Xmx128m -Xss512k -Xbatch -Xcomp                         -XX:-UseTLAB -XX:+UnlockExperimentalVMOptions -XX:+UseEpsilonGC TestManyThreads
 
    30  * @run main/othervm -Xmx128m -Xss512k -Xbatch -Xcomp -XX:TieredStopAtLevel=1 -XX:-UseTLAB -XX:+UnlockExperimentalVMOptions -XX:+IgnoreUnrecognizedVMOptions -XX:+UseEpsilonGC TestManyThreads
 
    33  * @run main/othervm -Xmx128m -Xss512k -Xbatch -Xcomp -XX:TieredStopAtLevel=1 -XX:-UseTLAB -XX:+UnlockExperimentalVMOptions -XX:+UseEpsilonGC TestManyThreads
 
    31  * @run main/othervm -Xmx128m -Xss512k -Xbatch -Xcomp -XX:TieredStopAtLevel=4 -XX:-UseTLAB -XX:+UnlockExperimentalVMOptions -XX:+IgnoreUnrecognizedVMOptions -XX:+UseEpsilonGC TestManyThreads
 
    34  * @run main/othervm -Xmx128m -Xss512k -Xbatch -Xcomp -XX:TieredStopAtLevel=4 -XX:-UseTLAB -XX:+UnlockExperimentalVMOptions -XX:+UseEpsilonGC TestManyThreads
 
    32  *
 
    35  *
 
    33  * @run main/othervm -Xmx128m -Xss512k                                        -XX:+UseTLAB -XX:+UnlockExperimentalVMOptions -XX:+IgnoreUnrecognizedVMOptions -XX:+UseEpsilonGC TestManyThreads
 
    36  * @run main/othervm -Xmx128m -Xss512k                                        -XX:+UseTLAB -XX:+UnlockExperimentalVMOptions -XX:+UseEpsilonGC TestManyThreads
 
    34  * @run main/othervm -Xmx128m -Xss512k -Xint                                  -XX:+UseTLAB -XX:+UnlockExperimentalVMOptions -XX:+IgnoreUnrecognizedVMOptions -XX:+UseEpsilonGC TestManyThreads
 
    37  * @run main/othervm -Xmx128m -Xss512k -Xint                                  -XX:+UseTLAB -XX:+UnlockExperimentalVMOptions -XX:+UseEpsilonGC TestManyThreads
 
    35  * @run main/othervm -Xmx128m -Xss512k -Xbatch -Xcomp                         -XX:+UseTLAB -XX:+UnlockExperimentalVMOptions -XX:+IgnoreUnrecognizedVMOptions -XX:+UseEpsilonGC TestManyThreads
 
    38  * @run main/othervm -Xmx128m -Xss512k -Xbatch -Xcomp                         -XX:+UseTLAB -XX:+UnlockExperimentalVMOptions -XX:+UseEpsilonGC TestManyThreads
 
    36  * @run main/othervm -Xmx128m -Xss512k -Xbatch -Xcomp -XX:TieredStopAtLevel=1 -XX:+UseTLAB -XX:+UnlockExperimentalVMOptions -XX:+IgnoreUnrecognizedVMOptions -XX:+UseEpsilonGC TestManyThreads
 
    39  * @run main/othervm -Xmx128m -Xss512k -Xbatch -Xcomp -XX:TieredStopAtLevel=1 -XX:+UseTLAB -XX:+UnlockExperimentalVMOptions -XX:+UseEpsilonGC TestManyThreads
 
    37  * @run main/othervm -Xmx128m -Xss512k -Xbatch -Xcomp -XX:TieredStopAtLevel=4 -XX:+UseTLAB -XX:+UnlockExperimentalVMOptions -XX:+IgnoreUnrecognizedVMOptions -XX:+UseEpsilonGC TestManyThreads
 
    40  * @run main/othervm -Xmx128m -Xss512k -Xbatch -Xcomp -XX:TieredStopAtLevel=4 -XX:+UseTLAB -XX:+UnlockExperimentalVMOptions -XX:+UseEpsilonGC TestManyThreads
 
    38  */
 
    41  */
 
    39 
    42 
    40 import java.util.concurrent.atomic.*;
 
    43 import java.util.concurrent.atomic.*;
 
    41 
    44 
    42 public class TestManyThreads extends AbstractEpsilonTest {
 
    45 public class TestManyThreads {
 
    43 
    46 
    44   static int COUNT = Integer.getInteger("count", 128);  // 128 * 4M max tlabs = 512M, would overflow without TLAB sizing
 
    47   static int COUNT = Integer.getInteger("count", 128);  // 128 * 4M max tlabs = 512M, would overflow without TLAB sizing
 
    45 
    48 
    46   static volatile Object sink;
 
    49   static volatile Object sink;
 
    47   static volatile Throwable failed;
 
    50   static volatile Throwable failed;
 
    56       failed = e;
 
    59       failed = e;
 
    57     }
 
    60     }
 
    58   }
 
    61   }
 
    59 
    62 
    60   public static void main(String[] args) throws Throwable {
 
    63   public static void main(String[] args) throws Throwable {
 
    61     if (!isEpsilonEnabled()) return;
 
       
    62 
       
    63     for (int c = 0; c < COUNT; c++) {
 
    64     for (int c = 0; c < COUNT; c++) {
 
    64       Thread t = new Thread(TestManyThreads::workload);
 
    65       Thread t = new Thread(TestManyThreads::workload);
 
    65       t.setDaemon(true);
 
    66       t.setDaemon(true);
 
    66       t.start();
 
    67       t.start();
 
    67     }
 
    68     }
jdk-sandbox