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Diffstat (limited to 'apct-tests/perftests/surfaceflinger/README.md')
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diff --git a/apct-tests/perftests/surfaceflinger/README.md b/apct-tests/perftests/surfaceflinger/README.md new file mode 100644 index 000000000000..0dec70f3cf18 --- /dev/null +++ b/apct-tests/perftests/surfaceflinger/README.md @@ -0,0 +1,34 @@ +## SurfaceFlinger performance tests + +### Precondition +To reduce the variance of the test, if `perf-setup.sh` (platform_testing/scripts/perf-setup) +is available, it is better to use the following instructions to lock CPU and GPU frequencies. +``` +m perf-setup +PERF_SETUP_PATH=/data/local/tmp/perf-setup.sh +adb push $OUT/$PERF_SETUP_PATH $PERF_SETUP_PATH +adb shell chmod +x $PERF_SETUP_PATH +adb shell $PERF_SETUP_PATH +``` + +### Example to run +Use `atest` +``` +atest SurfaceFlingerPerfTests:SurfaceFlingerPerfTest -- \ + --module-arg SurfaceFlingerPerfTests:instrumentation-arg:kill-bg:=true +``` +Use `am instrument` +``` +adb shell am instrument -w -r -e class android.surfaceflinger.SurfaceFlingerPerfTest \ + -e kill-bg true \ + com.android.perftests.surfaceflinger/androidx.test.runner.AndroidJUnitRunner +``` +* `kill-bg` is optional. + +Test arguments +- kill-bg + * boolean: Kill background process before running test. +- profiling-iterations + * int: Run the extra iterations with enabling method profiling. +- profiling-sampling + * int: The interval (0=trace each method, default is 10) of sample profiling in microseconds. |