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Merge "BroadcastQueue: Initial deterministic perf test." into udc-dev

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Treehugger Robot
2023-04-11 02:10:10 +00:00
committed by Android (Google) Code Review
parent 43d7854d41 3f400959e2
commit 9bed03d515
1 changed files with 40 additions and 0 deletions
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40
services/tests/mockingservicestests/src/com/android/server/am/BroadcastQueueTest.java
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@@ -1980,6 +1980,46 @@ public class BroadcastQueueTest {
verify(mAms, never()).enqueueOomAdjTargetLocked(any());
}
/**
* Confirm how many times a pathological broadcast pattern results in OOM
* adjusts; watches for performance regressions.
*/
@Test
public void testOomAdjust_TriggerCount() throws Exception {
final ProcessRecord callerApp = makeActiveProcessRecord(PACKAGE_RED);
// Send 8 broadcasts, 4 receivers in the first process,
// and 2 alternating in each of the remaining processes
synchronized (mAms) {
for (int i = 0; i < 8; i++) {
final Intent intent = new Intent(Intent.ACTION_TIMEZONE_CHANGED);
mQueue.enqueueBroadcastLocked(makeBroadcastRecord(intent, callerApp,
List.of(makeManifestReceiver(PACKAGE_GREEN, CLASS_GREEN),
makeManifestReceiver(PACKAGE_GREEN, CLASS_GREEN),
makeManifestReceiver(PACKAGE_GREEN, CLASS_GREEN),
makeManifestReceiver(PACKAGE_GREEN, CLASS_GREEN),
makeManifestReceiver(PACKAGE_BLUE, CLASS_BLUE),
makeManifestReceiver(PACKAGE_YELLOW, CLASS_YELLOW),
makeManifestReceiver(PACKAGE_BLUE, CLASS_BLUE),
makeManifestReceiver(PACKAGE_YELLOW, CLASS_YELLOW))));
}
}
waitForIdle();
final int expectedTimes;
switch (mImpl) {
// Original stack requested for every single receiver; yikes
case DEFAULT: expectedTimes = 64; break;
// Modern stack requests once each time we promote a process to
// running; we promote "green" twice, and "blue" and "yellow" once
case MODERN: expectedTimes = 4; break;
default: throw new UnsupportedOperationException();
}
verify(mAms, times(expectedTimes))
.updateOomAdjPendingTargetsLocked(eq(OOM_ADJ_REASON_START_RECEIVER));
}
/**
* Verify that expected events are triggered when a broadcast is finished.
*/