From fe9c5a5c461c96b1fd61f3fdd8fd0a511531b45e Mon Sep 17 00:00:00 2001
From: Riddle Hsu <riddlehsu@google.com>
Date: Thu, 18 Mar 2021 11:55:07 +0800
Subject: [PATCH] Skip reporting stats without enough samples

Otherwise android.perftests.utils.Stats will reject the data
and make the test fail.

Also correct a typo.

Bug: 182962701
Test: atest InternalWindowOperationPerfTest
Change-Id: I1d097f0de9a632b02d204509729f1671327285e4
---
 .../src/android/wm/InternalWindowOperationPerfTest.java     | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/apct-tests/perftests/windowmanager/src/android/wm/InternalWindowOperationPerfTest.java b/apct-tests/perftests/windowmanager/src/android/wm/InternalWindowOperationPerfTest.java
index bccef533be329..3a114173869a4 100644
--- a/apct-tests/perftests/windowmanager/src/android/wm/InternalWindowOperationPerfTest.java
+++ b/apct-tests/perftests/windowmanager/src/android/wm/InternalWindowOperationPerfTest.java
@@ -53,7 +53,7 @@ public class InternalWindowOperationPerfTest extends WindowManagerPerfTestBase
             "applyPostLayoutPolicy",
             "applySurfaceChanges",
             "AppTransitionReady",
-            "closeSurfaceTransactiom",
+            "closeSurfaceTransaction",
             "openSurfaceTransaction",
             "performLayout",
             "performSurfacePlacement",
@@ -98,6 +98,10 @@ public class InternalWindowOperationPerfTest extends WindowManagerPerfTestBase
         }
 
         mTraceMarkParser.forAllSlices((key, slices) -> {
+            if (slices.size() < 2) {
+                Log.w(TAG, "No sufficient samples: " + key);
+                return;
+            }
             for (TraceMarkSlice slice : slices) {
                 state.addExtraResult(key, (long) (slice.getDurationInSeconds() * NANOS_PER_S));
             }