8086117: java/lang/Runtime/exec/LotsOfOutput.java still fails intermittently with Process consumes memory
Reviewed-by: chegar
--- a/jdk/test/java/lang/Runtime/exec/LotsOfOutput.java Wed Jun 10 12:44:57 2015 +0300
+++ b/jdk/test/java/lang/Runtime/exec/LotsOfOutput.java Wed Jun 10 07:52:43 2015 -0400
@@ -48,20 +48,21 @@
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);
}
}