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8373022: serviceability/sa/ClhsdbScanOops.java assumes no GC should occur #28637

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jsikstro wants to merge 6 commits into from
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8373022: serviceability/sa/ClhsdbScanOops.java assumes no GC should occur #28637

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5b23c06
8373022: Increase initial heap size for test which assumes no GC
jsikstro Dec 3, 2025
97f5344
Spell fix
jsikstro Dec 3, 2025
aa282ee
Remove InitialHeapSize from MethodInvokeWithTraceOnTest
jsikstro Dec 5, 2025
bca449a
Merge branch 'master' into JDK-8373022_initialheapsize_test_no_gc
jsikstro Dec 5, 2025
0f85529
Remove ClhsdbScanOops.java from ProblemList
jsikstro Dec 5, 2025
5a8561a
Merge branch 'master' into JDK-8373022_initialheapsize_test_no_gc
jsikstro Dec 5, 2025
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3 changes: 0 additions & 3 deletions test/hotspot/jtreg/ProblemList.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -140,9 +140,6 @@ serviceability/sa/ClhsdbPstack.java#core 8318754 macosx-aarch64
serviceability/sa/TestJmapCore.java 8318754 macosx-aarch64
serviceability/sa/TestJmapCoreMetaspace.java 8318754 macosx-aarch64

serviceability/sa/ClhsdbScanOops.java#parallel 8373022 generic-all
serviceability/sa/ClhsdbScanOops.java#serial 8373022 generic-all

serviceability/sa/ClhsdbThreadContext.java 8356704 windows-x64

serviceability/jvmti/stress/StackTrace/NotSuspended/GetStackTraceNotSuspendedStressTest.java 8315980 linux-all,windows-x64
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5 changes: 4 additions & 1 deletion test/hotspot/jtreg/serviceability/sa/ClhsdbScanOops.java
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Expand Up @@ -60,7 +60,10 @@ private static void testWithGcType(String gc) throws Exception {

try {
ClhsdbLauncher test = new ClhsdbLauncher();
theApp = LingeredApp.startApp(gc);
// This test assumes that no GC should happen during its execution.
// Setting the initial heap size to a reasonably high number avoids
// running a GC.
theApp = LingeredApp.startApp(gc, "-XX:InitialHeapSize=100M");
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@plummercj plummercj Dec 4, 2025 •
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This test tries to scan a section of the java heap. When a GC happens, this section becomes empty, so the expected output is not present. Your fix seems reasonable.


System.out.println ("Started LingeredApp with the GC option " + gc +
" and pid " + theApp.getPid());
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