stan/jdk-24
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

8232951: TestG1ParallelPhases.java fails with phase NonYoungFreeCSet not found

Browse Source 
Reviewed-by: lkorinth, kbarrett
This commit is contained in:
Thomas Schatzl 2019-11-04 11:33:15 +01:00
parent 2dbe87fc45
commit 460f7e3502
1 changed files with 5 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

11
test/jdk/jdk/jfr/event/gc/collection/TestG1ParallelPhases.java
View File

@ -59,7 +59,8 @@ import sun.hotspot.WhiteBox;
* @library /test/lib /test/jdk
* @build sun.hotspot.WhiteBox
* @run main ClassFileInstaller sun.hotspot.WhiteBox
* @run main/othervm -XX:+UnlockExperimentalVMOptions -XX:MaxTenuringThreshold=1 -Xms20M -Xmx20M
* @run main/othervm -XX:+UnlockExperimentalVMOptions -XX:+AlwaysTenure
* -Xms20M -Xmx20M -Xlog:gc=debug,gc+heap*=debug,gc+ergo*=debug,gc+start=debug
* -XX:G1MixedGCLiveThresholdPercent=100 -XX:G1HeapWastePercent=0 -XX:G1HeapRegionSize=1m
* -XX:+UseG1GC -XX:+UseStringDeduplication
* -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI
@ -75,7 +76,7 @@ public class TestG1ParallelPhases {
recording.start();
// create more weak garbage than can fit in this heap (-Xmx20m), will force collection of weak references
weakRefs = range(1, 100)
weakRefs = range(1, 30)
.mapToObj(n -> new WeakReference<>(new byte[1_000_000]))
.collect(toList()); // force evaluation of lazy stream (all weak refs must be created)
@ -150,8 +151,7 @@ class Provoker {
toUnreachable.add(new byte[arraySize]);
});
// Do two young collections, MaxTenuringThreshold=1 will force promotion.
getWhiteBox().youngGC();
// Do one young collection, AlwaysTenure will force promotion.
getWhiteBox().youngGC();
// Check it is promoted & keep alive
@ -167,11 +167,10 @@ class Provoker {
/**
* The necessary condition for guaranteed mixed GC is running in VM with the following flags:
* -XX:+UnlockExperimentalVMOptions -XX:MaxTenuringThreshold=1 -Xms{HEAP_SIZE}M
* -XX:+UnlockExperimentalVMOptions -XX:+AlwaysTenure -Xms{HEAP_SIZE}M
* -Xmx{HEAP_SIZE}M -XX:G1MixedGCLiveThresholdPercent=100 -XX:G1HeapWastePercent=0
* -XX:G1HeapRegionSize={REGION_SIZE}m
*
* @param provokeSize The size to allocate to provoke the start of a mixed gc (half heap size?)
* @param g1HeapRegionSize The size of your regions in bytes
*/
public static void provokeMixedGC(int g1HeapRegionSize) {