From 4345c0d3f5fa313e4ad1075e17be9c621c5d3982 Mon Sep 17 00:00:00 2001
From: Philip Cuadra <philipcuadra@google.com>
Date: Wed, 17 Aug 2016 18:02:24 -0700
Subject: [PATCH] Add more tracing to service lifecycle

Add tracing for each individual service in the boot phase events.

Bug 30758864

Tested by looking at a systrace

Change-Id: Iaebefb7a5658920e6289e3a0398c42705372d572
---
 services/core/java/com/android/server/SystemServiceManager.java | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/services/core/java/com/android/server/SystemServiceManager.java b/services/core/java/com/android/server/SystemServiceManager.java
index 90f507c146bf3..fb8a8154e13e4 100644
--- a/services/core/java/com/android/server/SystemServiceManager.java
+++ b/services/core/java/com/android/server/SystemServiceManager.java
@@ -138,6 +138,7 @@ public class SystemServiceManager {
             final int serviceLen = mServices.size();
             for (int i = 0; i < serviceLen; i++) {
                 final SystemService service = mServices.get(i);
+                Trace.traceBegin(Trace.TRACE_TAG_SYSTEM_SERVER, service.getClass().getName());
                 try {
                     service.onBootPhase(mCurrentPhase);
                 } catch (Exception ex) {
@@ -146,6 +147,7 @@ public class SystemServiceManager {
                             + ": onBootPhase threw an exception during phase "
                             + mCurrentPhase, ex);
                 }
+                Trace.traceEnd(Trace.TRACE_TAG_SYSTEM_SERVER);
             }
         } finally {
             Trace.traceEnd(Trace.TRACE_TAG_SYSTEM_SERVER);