Add log to measure startup performance

Use this to enable log:

adb shell setprop log.tag.ContactsPerf VERBOSE

Bug 5195464

Change-Id: I8348dffb050c562e708ab81405d556625794fdf3

1 files changed, 24 insertions, 0 deletions

diff --git a/src/com/android/providers/contacts/Constants.java b/src/com/android/providers/contacts/Constants.java
new file mode 100644
index 0000000..8cf28e6
--- /dev/null
+++ b/src/com/android/providers/contacts/Constants.java
@@ -0,0 +1,24 @@
+/*
+ * Copyright (C) 2011 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License
+ */
+package com.android.providers.contacts;
+
+public class Constants {
+    private Constants() {}
+
+    // Log tag for performance measurement.
+    // To enable: adb shell setprop log.tag.ContactsPerf VERBOSE
+    public static final String PERFORMANCE_TAG = "ContactsPerf";
+}