commit 41d67d7ab4da1c393497a620a116a854b3c618e7
author Andy McFadden <fadden@android.com> Fri Apr 25 16:58:34 2014 -0700
committer Andy McFadden <fadden@android.com> Fri May 02 10:56:54 2014 -0700
tree 82c09ea2fd772f1c8e0b527f8bb45948ab9b92d8
parent c526c35e7398ad06185ea0575a976933b433441d

Improve SurfaceFlinger PTS estimation

Get the next refresh time from DispSync instead of guessing based
on the current time.

Change-Id: I8dc72a3217bfd4e9b4c905034194d1a298cad69a

services/surfaceflinger/SurfaceFlinger.cpp

diff --git a/services/surfaceflinger/SurfaceFlinger.cpp b/services/surfaceflinger/SurfaceFlinger.cpp
index 0142992..7bd8d38 100644
--- a/services/surfaceflinger/SurfaceFlinger.cpp
+++ b/services/surfaceflinger/SurfaceFlinger.cpp
@@ -2371,6 +2371,15 @@
     result.append(SyncFeatures::getInstance().toString());
     result.append("\n");
 
+    colorizer.bold(result);
+    result.append("DispSync configuration: ");
+    colorizer.reset(result);
+    result.appendFormat("app phase %"PRId64" ns, sf phase %"PRId64" ns, "
+            "present offset %d ns (refresh %"PRId64" ns)",
+        vsyncPhaseOffsetNs, sfVsyncPhaseOffsetNs, PRESENT_TIME_OFFSET_FROM_VSYNC_NS,
+        mHwc->getRefreshPeriod(HWC_DISPLAY_PRIMARY));
+    result.append("\n");
+
     /*
      * Dump the visible layer list
      */