From eac5c5a189a940ed454e78c8e5f94626c4fdf826 Mon Sep 17 00:00:00 2001
From: Olivier Gaillard <gaillard@google.com>
Date: Mon, 30 Jul 2018 17:44:45 +0100
Subject: [PATCH] Add perf tests for binder calls to measure sampling
 performance.

Test: should I test my test?
Change-Id: Ia96e33966567ffd32c9c50a0d88b82bf4abb21b8
---
 .../src/android/os/BinderCallsStatsPerfTest.java    | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/apct-tests/perftests/core/src/android/os/BinderCallsStatsPerfTest.java b/apct-tests/perftests/core/src/android/os/BinderCallsStatsPerfTest.java
index 9fad19fbcaf04..ad35129a32d90 100644
--- a/apct-tests/perftests/core/src/android/os/BinderCallsStatsPerfTest.java
+++ b/apct-tests/perftests/core/src/android/os/BinderCallsStatsPerfTest.java
@@ -68,6 +68,19 @@ public class BinderCallsStatsPerfTest {
         }
     }
 
+    @Test
+    public void timeCallSessionOnePercentSampling() {
+        mBinderCallsStats.setSamplingInterval(100);
+        final BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        Binder b = new Binder();
+        int i = 0;
+        while (state.keepRunning()) {
+            CallSession s = mBinderCallsStats.callStarted(b, i % 100);
+            mBinderCallsStats.callEnded(s, 0, 0);
+            i++;
+        }
+    }
+
     @Test
     public void timeCallSessionTrackingDisabled() {
         mBinderCallsStats.setDetailedTracking(false);