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8253877: gc/g1/TestGCLogMessages.java fails - missing "Evacuation failure" message

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Reviewed-by: sjohanss
This commit is contained in:
Thomas Schatzl 2020-10-19 11:40:58 +00:00
parent e76de18956
commit cd66e0f25f
1 changed files with 18 additions and 9 deletions
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27
test/hotspot/jtreg/gc/g1/TestGCLogMessages.java
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@ -39,6 +39,7 @@ package gc.g1;
*/
import jdk.test.lib.process.OutputAnalyzer;
import jdk.test.lib.Platform;
import jdk.test.lib.process.ProcessTools;
import sun.hotspot.code.Compiler;
@ -182,7 +183,9 @@ public class TestGCLogMessages {
public static void main(String[] args) throws Exception {
new TestGCLogMessages().testNormalLogs();
new TestGCLogMessages().testConcurrentRefinementLogs();
new TestGCLogMessages().testWithToSpaceExhaustionLogs();
if (Platform.isDebugBuild()) {
new TestGCLogMessages().testWithEvacuationFailureLogs();
}
new TestGCLogMessages().testWithConcurrentStart();
new TestGCLogMessages().testExpandHeap();
}
@ -240,12 +243,15 @@ public class TestGCLogMessages {
new LogMessageWithLevel("Remove Self Forwards", Level.TRACE),
};
private void testWithToSpaceExhaustionLogs() throws Exception {
private void testWithEvacuationFailureLogs() throws Exception {
ProcessBuilder pb = ProcessTools.createJavaProcessBuilder("-XX:+UseG1GC",
"-Xmx32M",
"-Xmn16M",
"-XX:+G1EvacuationFailureALot",
"-XX:G1EvacuationFailureALotCount=100",
"-XX:G1EvacuationFailureALotInterval=1",
"-Xlog:gc+phases=debug",
GCTestWithToSpaceExhaustion.class.getName());
GCTestWithEvacuationFailure.class.getName());
OutputAnalyzer output = new OutputAnalyzer(pb.start());
checkMessagesAtLevel(output, exhFailureMessages, Level.DEBUG);
@ -255,7 +261,7 @@ public class TestGCLogMessages {
"-Xmx32M",
"-Xmn16M",
"-Xlog:gc+phases=trace",
GCTestWithToSpaceExhaustion.class.getName());
GCTestWithEvacuationFailure.class.getName());
output = new OutputAnalyzer(pb.start());
checkMessagesAtLevel(output, exhFailureMessages, Level.TRACE);
@ -304,16 +310,19 @@ public class TestGCLogMessages {
}
}
static class GCTestWithToSpaceExhaustion {
static class GCTestWithEvacuationFailure {
private static byte[] garbage;
private static byte[] largeObject;
private static Object[] holder = new Object[200]; // Must be larger than G1EvacuationFailureALotCount
public static void main(String [] args) {
largeObject = new byte[16*1024*1024];
System.out.println("Creating garbage");
// create 128MB of garbage. This should result in at least one GC,
// some of them with to-space exhaustion.
for (int i = 0; i < 1024; i++) {
garbage = new byte[128 * 1024];
// Create 16 MB of garbage. This should result in at least one GC,
// (Heap size is 32M, we use 17MB for the large object above)
// which is larger than G1EvacuationFailureALotInterval.
for (int i = 0; i < 16 * 1024; i++) {
holder[i % holder.length] = new byte[1024];
}
System.out.println("Done");
}