commit ff3e31d2b100d8efd969b358b18e4405c49dd10d
author Igor Murashkin <iam@google.com> Wed Oct 23 16:40:06 2013 -0700
committer Igor Murashkin <iam@google.com> Tue Oct 29 11:49:05 2013 -0700
tree 6d3bcd6772305f06fcf85c498365c8c198a7fbc9
parent 95c03858e2ab4fb693a2bfe47b3caa806e43c044

camera: Collect stack traces when bad things happen, print with dumpsys

Bug: 11324229
Change-Id: Ic920e170a8f5a389fc139bbf5416c0e3186c7fb6

services/camera/libcameraservice/device3/Camera3Device.cpp

diff --git a/services/camera/libcameraservice/device3/Camera3Device.cpp b/services/camera/libcameraservice/device3/Camera3Device.cpp
index 6f2dc85..c320d6c 100644
--- a/services/camera/libcameraservice/device3/Camera3Device.cpp
+++ b/services/camera/libcameraservice/device3/Camera3Device.cpp
@@ -41,6 +41,7 @@
 #include <utils/Trace.h>
 #include <utils/Timers.h>
 
+#include "utils/CameraTraces.h"
 #include "device3/Camera3Device.h"
 #include "device3/Camera3OutputStream.h"
 #include "device3/Camera3InputStream.h"
@@ -1363,6 +1364,10 @@
     // But only do error state transition steps for the first error
     if (mStatus == STATUS_ERROR || mStatus == STATUS_UNINITIALIZED) return;
 
+    // Save stack trace. View by dumping it later.
+    CameraTraces::saveTrace();
+    // TODO: consider adding errorCause and client pid/procname
+
     mErrorCause = errorCause;
 
     mRequestThread->setPaused(true);