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8323066: gc/g1/TestSkipRebuildRemsetPhase.java fails with 'Skipping Remembered Set Rebuild.' missing

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Reviewed-by: ayang, iwalulya
This commit is contained in:
Thomas Schatzl 2024-01-09 17:03:28 +00:00
parent 886386c039
commit ee98d26218
2 changed files with 10 additions and 15 deletions
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1
test/hotspot/jtreg/ProblemList.txt
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@ -93,7 +93,6 @@ gc/stress/gclocker/TestGCLockerWithParallel.java 8180622 generic-all
gc/stress/gclocker/TestGCLockerWithSerial.java 8180622 generic-all
gc/stress/gclocker/TestGCLockerWithShenandoah.java 8180622 generic-all
gc/stress/TestStressG1Humongous.java 8286554 windows-x64
gc/g1/TestSkipRebuildRemsetPhase.java 8323066 linux-aarch64
#############################################################################

24
test/hotspot/jtreg/gc/g1/TestSkipRebuildRemsetPhase.java
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@ -45,7 +45,7 @@ public class TestSkipRebuildRemsetPhase {
"-XX:+UnlockExperimentalVMOptions",
"-XX:+UnlockDiagnosticVMOptions",
"-XX:+WhiteBoxAPI",
"-XX:G1MixedGCLiveThresholdPercent=20",
"-XX:G1MixedGCLiveThresholdPercent=0",
"-Xlog:gc+marking=debug,gc+phases=debug,gc+remset+tracking=trace",
"-Xms10M",
"-Xmx10M",
@ -58,24 +58,20 @@ public class TestSkipRebuildRemsetPhase {
public static class GCTest {
public static void main(String args[]) throws Exception {
WhiteBox wb = WhiteBox.getWhiteBox();
// Allocate some memory less than region size.
Object used = alloc();
// Allocate some memory less than region size. Any object is just fine as we set
// G1MixedGCLiveThresholdPercent to zero (and no region should be selected).
Object used = new byte[2000];
// Trigger the full GC using the WhiteBox API.
wb.fullGC(); // full
// Trigger the full GC using the WhiteBox API to make sure that at least "used"
// has been promoted to old gen.
wb.fullGC();
// Memory objects have been promoted to old by full GC.
// Concurrent cycle should not select any regions for rebuilding
// Concurrent cycle should not select any regions for rebuilding and print the
// appropriate message.
wb.g1RunConcurrentGC();
System.out.println(used);
}
private static Object alloc() {
// Since G1MixedGCLiveThresholdPercent is 20%, make sure to allocate object larger than that
// so that it will not be collected and the expected message printed.
final int objectSize = WhiteBox.getWhiteBox().g1RegionSize() / 3;
Object ret = new byte[objectSize];
return ret;
}
}
}