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8361897: gc/z/TestUncommit.java fails with Uncommitted too slow #26536

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8361897: gc/z/TestUncommit.java fails with Uncommitted too slow #26536

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9 changes: 9 additions & 0 deletions test/hotspot/jtreg/gc/z/TestUncommit.java
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Original file line number Diff line number Diff line change
Expand Up @@ -108,7 +108,16 @@ private static void test(int objectSize) throws Exception {
throw new Exception("Uncommitted too fast");
}

// In typical conditions (system not over-provisioned or slow),
// uncommitting is expected to complete within 3 * ZUncommitDelay after
// the last commit. To accommodate less ideal environments, only
// durations exceeding 5 * ZUncommitDelay are flagged as errors.

if (actualDelay > delay * 3) {
log(" *** Uncommit slower than expected. ***");
}

if (actualDelay > delay * 5) {
throw new Exception("Uncommitted too slow");
}

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