From 91e37785db03d0294719b24acee6db61672ec769 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Aur=C3=A9lien=20Pomini?= <pomini@google.com>
Date: Mon, 21 Nov 2022 16:26:46 +0000
Subject: [PATCH] Add trace to generateCrop in wallpaperManagerService

generateCrop does some IO operations and could be responsible for some lock contention; it is useful to know how long it takes to run.

Test: treehugger
Bug: 247076432
Change-Id: I710641d3b15eeca7a34cf6a6b508e769b6604532
---
 .../android/server/wallpaper/WallpaperManagerService.java  | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/services/core/java/com/android/server/wallpaper/WallpaperManagerService.java b/services/core/java/com/android/server/wallpaper/WallpaperManagerService.java
index dd870a8905cc7..79a4acf55fefc 100644
--- a/services/core/java/com/android/server/wallpaper/WallpaperManagerService.java
+++ b/services/core/java/com/android/server/wallpaper/WallpaperManagerService.java
@@ -599,6 +599,13 @@ public class WallpaperManagerService extends IWallpaperManager.Stub
      * for display.
      */
     void generateCrop(WallpaperData wallpaper) {
+        TimingsTraceAndSlog t = new TimingsTraceAndSlog(TAG);
+        t.traceBegin("WPMS.generateCrop");
+        generateCropInternal(wallpaper);
+        t.traceEnd();
+    }
+
+    private void generateCropInternal(WallpaperData wallpaper) {
         boolean success = false;
 
         // Only generate crop for default display.