Merge ab/6749736 in stage.

Bug: 167233921
Merged-In: Iecef31f7bf10ad97b7e0075cf302ae94e248474a
Change-Id: I9e9c873bc2e05a0cfe3af0bf74725500f3f108db

1 files changed, 8 insertions, 5 deletions

diff --git a/startop/iorap/src/com/google/android/startop/iorap/EventSequenceValidator.java b/startop/iorap/src/com/google/android/startop/iorap/EventSequenceValidator.java
index 67e1b440e28a..9b7a62b3a1df 100644
--- a/startop/iorap/src/com/google/android/startop/iorap/EventSequenceValidator.java
+++ b/startop/iorap/src/com/google/android/startop/iorap/EventSequenceValidator.java
@@ -96,7 +96,8 @@ import java.io.PrintWriter;
  */
 public class EventSequenceValidator implements ActivityMetricsLaunchObserver {
   static final String TAG = "EventSequenceValidator";
-
+  /** $> adb shell 'setprop log.tag.EventSequenceValidator VERBOSE' */
+  public static final boolean DEBUG = Log.isLoggable(TAG, Log.DEBUG);
   private State state = State.INIT;
   private long accIntentStartedEvents = 0;
 
@@ -255,9 +256,11 @@ public class EventSequenceValidator implements ActivityMetricsLaunchObserver {
   }
 
   private void logWarningWithStackTrace(String log) {
-    StringWriter sw = new StringWriter();
-    PrintWriter pw = new PrintWriter(sw);
-    new Throwable("EventSequenceValidator#getStackTrace").printStackTrace(pw);
-    Log.d(TAG, String.format("%s\n%s", log, sw));
+    if (DEBUG) {
+      StringWriter sw = new StringWriter();
+      PrintWriter pw = new PrintWriter(sw);
+      new Throwable("EventSequenceValidator#getStackTrace").printStackTrace(pw);
+      Log.wtf(TAG, String.format("%s\n%s", log, sw));
+    }
   }
 }