Don't add result if no enough samples

Only report the stats when data is enough
to prevent Stats send an exception and cause
the test failure.

Bug: 180449530
Test: atest ImePerfTest#testShowImeCold --iterations 20
Change-Id: I3607009c527ee1f148c3530bf4f2bc63473b6a6c

1 files changed, 4 insertions, 0 deletions

diff --git a/apct-tests/perftests/inputmethod/src/android/inputmethod/ImePerfTest.java b/apct-tests/perftests/inputmethod/src/android/inputmethod/ImePerfTest.java
index a1383e620616..203bb5434e77 100644
--- a/apct-tests/perftests/inputmethod/src/android/inputmethod/ImePerfTest.java
+++ b/apct-tests/perftests/inputmethod/src/android/inputmethod/ImePerfTest.java
@@ -411,6 +411,10 @@ public class ImePerfTest extends ImePerfTestBase
 
     private void addResultToState(ManualBenchmarkState state) {
         mTraceMethods.forAllSlices((key, slices) -> {
+            if (slices.size() < 2) {
+                Log.w(TAG, "No enough samples for: " + key);
+                return;
+            }
             for (TraceMarkSlice slice : slices) {
                 state.addExtraResult(key, (long) (slice.getDurationInSeconds() * NANOS_PER_S));
             }