Benchmark for shutdown latency of a VM
The idea is to estimate how quickly can a pVM be just shutdown
(equivalent of pulling a plug from a hardware).
Test: atest MicrodroidBenchmarks#testVmKillTime
Bug: 284138214
Bug: 289749318
Change-Id: I1da79c4b51f286d34585475095c7c98f4d083809
diff --git a/tests/benchmark/src/java/com/android/microdroid/benchmark/MicrodroidBenchmarks.java b/tests/benchmark/src/java/com/android/microdroid/benchmark/MicrodroidBenchmarks.java
index aed28a8..625f26a 100644
--- a/tests/benchmark/src/java/com/android/microdroid/benchmark/MicrodroidBenchmarks.java
+++ b/tests/benchmark/src/java/com/android/microdroid/benchmark/MicrodroidBenchmarks.java
@@ -78,6 +78,7 @@
private static final String TAG = "MicrodroidBenchmarks";
private static final String METRIC_NAME_PREFIX = getMetricPrefix() + "microdroid/";
private static final int IO_TEST_TRIAL_COUNT = 5;
+ private static final int TEST_TRIAL_COUNT = 5;
private static final long ONE_MEBI = 1024 * 1024;
@Rule public Timeout globalTimeout = Timeout.seconds(300);
@@ -767,4 +768,35 @@
}
reportMetrics(requestLatencies, "latency/vsock", "us");
}
+
+ @Test
+ public void testVmKillTime() throws Exception {
+ VirtualMachineConfig config =
+ newVmConfigBuilder()
+ .setPayloadConfigPath("assets/vm_config_io.json")
+ .setDebugLevel(DEBUG_LEVEL_NONE)
+ .build();
+ List<Double> vmKillTime = new ArrayList<>(TEST_TRIAL_COUNT);
+
+ for (int i = 0; i < TEST_TRIAL_COUNT; ++i) {
+ VirtualMachine vm = forceCreateNewVirtualMachine("test_vm_kill_time" + i, config);
+ VmEventListener listener =
+ new VmEventListener() {
+ @Override
+ public void onPayloadReady(VirtualMachine vm) {
+ long start = System.nanoTime();
+ try {
+ vm.stop();
+ } catch (Exception e) {
+ Log.e(TAG, "Error in vm.stop():" + e);
+ throw new RuntimeException(e);
+ }
+ vmKillTime.add((double) (System.nanoTime() - start) / NANO_TO_MICRO);
+ super.onPayloadReady(vm);
+ }
+ };
+ listener.runToFinish(TAG, vm);
+ }
+ reportMetrics(vmKillTime, "vm_kill_time", "microsecond");
+ }
}