Set cpu affinity for time benchmarks
This is to reduce noises.
Bug: 244388916
Test: atest MicrodroidBenchmarks
Change-Id: I67d1137d579c576612c174b0af01c28f4fbdf7c1
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 7bf3c4e..c9ceaae 100644
--- a/tests/benchmark/src/java/com/android/microdroid/benchmark/MicrodroidBenchmarks.java
+++ b/tests/benchmark/src/java/com/android/microdroid/benchmark/MicrodroidBenchmarks.java
@@ -143,7 +143,11 @@
// To grab boot events from log, set debug mode to FULL
VirtualMachineConfig normalConfig =
- builder.debugLevel(DebugLevel.FULL).memoryMib(256).build();
+ builder.debugLevel(DebugLevel.FULL)
+ .memoryMib(256)
+ .numCpus(2)
+ .cpuAffinity("0=0:1=1")
+ .build();
mInner.forceCreateNewVirtualMachine("test_vm_boot_time", normalConfig);
BootResult result = tryBootVm(TAG, "test_vm_boot_time");
@@ -190,6 +194,8 @@
VirtualMachineConfig config =
mInner.newVmConfigBuilder("assets/vm_config_io.json")
.debugLevel(DebugLevel.FULL)
+ .numCpus(2)
+ .cpuAffinity("0=0:1=1")
.build();
List<Double> transferRates = new ArrayList<>(IO_TEST_TRIAL_COUNT);
@@ -217,6 +223,8 @@
VirtualMachineConfig config =
mInner.newVmConfigBuilder("assets/vm_config_io.json")
.debugLevel(DebugLevel.FULL)
+ .numCpus(2)
+ .cpuAffinity("0=0:1=1")
.build();
List<Double> readRates = new ArrayList<>(IO_TEST_TRIAL_COUNT);