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8035939: java/lang/management/MemoryMXBean/MemoryManagement.java timed out on Linux-amd64

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Reviewed-by: sla, brutisso, mgerdin
This commit is contained in:
Stefan Karlsson 2014-08-19 12:18:09 +02:00
parent f0133ac1a0
commit 73e818fea9
2 changed files with 32 additions and 6 deletions
jdk/test/java/lang/management/MemoryMXBean
LowMemoryTest.javaMemoryManagement.java

24
jdk/test/java/lang/management/MemoryMXBean/LowMemoryTest.java

@ -50,6 +50,7 @@ public class LowMemoryTest {
private static boolean testFailed = false;
private static final int NUM_TRIGGERS = 5;
private static final int NUM_CHUNKS = 2;
private static final int YOUNG_GEN_SIZE = 8 * 1024 * 1024;
private static long chunkSize;
/**
@ -59,11 +60,14 @@ public class LowMemoryTest {
*/
public static void main(String a[]) throws Throwable {
final String main = "LowMemoryTest$TestMain";
RunUtil.runTestKeepGcOpts(main);
RunUtil.runTestClearGcOpts(main, "-XX:+UseSerialGC");
RunUtil.runTestClearGcOpts(main, "-XX:+UseParallelGC");
RunUtil.runTestClearGcOpts(main, "-XX:+UseG1GC");
RunUtil.runTestClearGcOpts(main, "-XX:+UseConcMarkSweepGC");
// Use a low young gen size to ensure that the
// allocated objects are put in the old gen.
final String nmFlag = "-Xmn" + YOUNG_GEN_SIZE;
RunUtil.runTestKeepGcOpts(main, nmFlag);
RunUtil.runTestClearGcOpts(main, nmFlag, "-XX:+UseSerialGC");
RunUtil.runTestClearGcOpts(main, nmFlag, "-XX:+UseParallelGC");
RunUtil.runTestClearGcOpts(main, nmFlag, "-XX:+UseG1GC");
RunUtil.runTestClearGcOpts(main, nmFlag, "-XX:+UseConcMarkSweepGC");
}
private static volatile boolean listenerInvoked = false;
@ -156,6 +160,16 @@ public class LowMemoryTest {
chunkSize = (mu.getMax() - mu.getUsed()) / 20;
newThreshold = mu.getUsed() + (chunkSize * NUM_CHUNKS);
// Sanity check. Make sure the chunkSize is large than the YOUNG_GEN_SIZE
// If the chunkSize are lower than the YOUNG_GEN_SIZE, we will get intermittent
// failures when objects end up in the young gen instead of the old gen.
// Tweak the test if this fails.
if (chunkSize < YOUNG_GEN_SIZE) {
throw new RuntimeException("TEST FAILED: " +
" chunkSize: " + chunkSize + " is less than YOUNG_GEN_SIZE: " + YOUNG_GEN_SIZE +
" max: " + mu.getMax() + " used: " + mu.getUsed() + " newThreshold: " + newThreshold);
}
System.out.println("Setting threshold for " + mpool.getName() +
" from " + mpool.getUsageThreshold() + " to " + newThreshold +
". Current used = " + mu.getUsed());

14
jdk/test/java/lang/management/MemoryMXBean/MemoryManagement.java

@ -31,7 +31,7 @@
* @author Mandy Chung
*
* @build MemoryManagement MemoryUtil
* @run main/othervm/timeout=600 MemoryManagement
* @run main/othervm/timeout=600 -Xmn8m MemoryManagement
*/
import java.lang.management.*;
@ -49,6 +49,8 @@ public class MemoryManagement {
private static volatile boolean trace = false;
private static volatile boolean testFailed = false;
private static final int NUM_CHUNKS = 2;
// Must match -Xmn set on the @run line
private static final int YOUNG_GEN_SIZE = 8 * 1024 * 1024;
private static volatile long chunkSize;
private static volatile int listenerInvoked = 0;
@ -112,6 +114,16 @@ public class MemoryManagement {
}
newThreshold = mu.getUsed() + (chunkSize * NUM_CHUNKS);
// Sanity check. Make sure the chunkSize is large than the YOUNG_GEN_SIZE
// If the chunkSize are lower than the YOUNG_GEN_SIZE, we will get intermittent
// failures when objects end up in the young gen instead of the old gen.
// Tweak the test if this fails.
if (chunkSize < YOUNG_GEN_SIZE) {
throw new RuntimeException("TEST FAILED: " +
" chunkSize: " + chunkSize + " is less than YOUNG_GEN_SIZE: " + YOUNG_GEN_SIZE +
" max: " + mu.getMax() + " used: " + mu.getUsed() + " newThreshold: " + newThreshold);
}
System.out.println("Setting threshold for " + mpool.getName() +
" from " + mpool.getUsageThreshold() + " to " + newThreshold +
". Current used = " + mu.getUsed());