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8229284: jdk/internal/platform/cgroup/TestCgroupMetrics.java fails for - memory:getMemoryUsage

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Reviewed-by: mseledtsov, sgehwolf
This commit is contained in:
Matthias Baesken 2019-08-28 14:22:56 +02:00
parent 1bc974d8a7
commit b6fac7fe07
1 changed files with 18 additions and 9 deletions
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27
test/lib/jdk/test/lib/containers/cgroup/MetricsTester.java
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@ -582,19 +582,28 @@ public class MetricsTester {
Metrics metrics = Metrics.systemMetrics();
long memoryMaxUsage = metrics.getMemoryMaxUsage();
long memoryUsage = metrics.getMemoryUsage();
long newMemoryMaxUsage = 0, newMemoryUsage = 0;
byte[] bb = new byte[64*1024*1024]; // 64M
// allocate memory in a loop and check more than once for new values
// otherwise we might see seldom the effect of decreasing new memory values
// e.g. because the system could free up memory
byte[][] bytes = new byte[32][];
for (int i = 0; i < 32; i++) {
bytes[i] = new byte[8*1024*1024];
newMemoryUsage = metrics.getMemoryUsage();
if (newMemoryUsage > memoryUsage) {
break;
}
}
newMemoryMaxUsage = metrics.getMemoryMaxUsage();
long newMemoryMaxUsage = metrics.getMemoryMaxUsage();
long newMemoryUsage = metrics.getMemoryUsage();
if(newMemoryMaxUsage < memoryMaxUsage) {
fail(SubSystem.MEMORY, "getMemoryMaxUsage", newMemoryMaxUsage,
memoryMaxUsage);
if (newMemoryMaxUsage < memoryMaxUsage) {
fail(SubSystem.MEMORY, "getMemoryMaxUsage", memoryMaxUsage,
newMemoryMaxUsage);
}
if(newMemoryUsage < memoryUsage) {
fail(SubSystem.MEMORY, "getMemoryUsage", newMemoryUsage, memoryUsage);
if (newMemoryUsage < memoryUsage) {
fail(SubSystem.MEMORY, "getMemoryUsage", memoryUsage, newMemoryUsage);
}
}