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8086117: java/lang/Runtime/exec/LotsOfOutput.java still fails intermittently with Process consumes memory

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Reviewed-by: chegar
This commit is contained in:
Roger Riggs 2015-06-10 07:52:43 -04:00
parent 0561e64cb1
commit 8979cb0b2d
1 changed files with 10 additions and 9 deletions
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19
jdk/test/java/lang/Runtime/exec/LotsOfOutput.java
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@ -48,20 +48,21 @@ public class LotsOfOutput {
UnixCommands.ensureCommandsAvailable("cat");
Process p = runtime.exec(UnixCommands.cat() + " /dev/zero");
long initMemory = usedMemory();
boolean growing = false;
long prev = usedMemory();
int growing = 0;
for (int i = 1; i < 10; i++) {
Thread.sleep(100);
long used = usedMemory();
if (used != initMemory) {
System.out.printf("consuming memory: i: %d, initial: %d, used: %d, delta: %d%n",
i, initMemory, used, used - initMemory);
if (used != prev) {
System.out.printf("consuming memory: i: %d, prev: %d, used: %d, delta: %d%n",
i, prev, used, used - prev);
}
if (used > initMemory + THRESHOLD)
growing = true;
if (used > prev + THRESHOLD)
growing += 1;
prev = used;
}
if (growing)
throw new Exception("Process consumes memory.");
if (growing > 2)
throw new Exception("Process consumes memory: growing " + growing);
}
}