Add a perf test for BatteryStatsHelper
On Bramble, we get these results:
endToEnd_median: 321.983605
getStats_median: 258.134786
getStats_cached_median: 48.506614
powerCalculation_median: 51.798291
Test: Lock the device to little cores for consistency
$ ./frameworks/base/libs/hwui/tests/scripts/prep_generic.sh little
$ atest BatteryStatsPerfTests
Bug: 173446001
Change-Id: I307bcea38c7001d950de1b506c31b64f89629952
diff --git a/tests/BatteryStatsPerfTest/AndroidTest.xml b/tests/BatteryStatsPerfTest/AndroidTest.xml
new file mode 100644
index 0000000..2f9e114
--- /dev/null
+++ b/tests/BatteryStatsPerfTest/AndroidTest.xml
@@ -0,0 +1,28 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2020 The Android Open Source Project
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+-->
+<configuration description="Runs BatteryStats service Performance Tests">
+ <target_preparer class="com.android.tradefed.targetprep.TestAppInstallSetup">
+ <option name="test-file-name" value="BatteryStatsPerfTests.apk"/>
+ <option name="cleanup-apks" value="true"/>
+ </target_preparer>
+
+ <option name="test-suite-tag" value="apct"/>
+ <option name="test-tag" value="BatteryStatsPerfTests"/>
+ <test class="com.android.tradefed.testtype.AndroidJUnitTest">
+ <option name="package" value="com.android.frameworks.perftests.batterystats"/>
+ <option name="runner" value="androidx.test.runner.AndroidJUnitRunner"/>
+ </test>
+</configuration>