commit 8d1b5e3c0b637b7e77b13808341b7200f294eedc
author Mathias Agopian <mathias@google.com> Sat Jan 28 22:31:55 2012 -0800
committer Mathias Agopian <mathias@google.com> Sat Jan 28 22:31:55 2012 -0800
tree 6adaccc363bc52725b6d35c924450ce1d4b280dd
parent 815af1ff595a6c028f28c16139a9e64ad98507a3

added a few more commands to SF's dumpsys

--latency-clear [name]
clears the latency data for the specified layer or for
all layers if none is specified

--list
prints the list of all layers regardless of their visibility

Change-Id: I7c07ae020f838c173b98ee50f3fb3e93da78acbb

services/surfaceflinger/SurfaceFlinger.cpp

diff --git a/services/surfaceflinger/SurfaceFlinger.cpp b/services/surfaceflinger/SurfaceFlinger.cpp
index 883b642..0563999 100644
--- a/services/surfaceflinger/SurfaceFlinger.cpp
+++ b/services/surfaceflinger/SurfaceFlinger.cpp
@@ -1486,12 +1486,27 @@
 
         bool dumpAll = true;
         size_t index = 0;
-        if (args.size()) {
+        size_t numArgs = args.size();
+        if (numArgs) {
             dumpAll = false;
-            if (args[index] == String16("--latency")) {
+
+            if ((index < numArgs) &&
+                    (args[index] == String16("--list"))) {
+                index++;
+                listLayersLocked(args, index, result, buffer, SIZE);
+            }
+
+            if ((index < numArgs) &&
+                    (args[index] == String16("--latency"))) {
                 index++;
                 dumpStatsLocked(args, index, result, buffer, SIZE);
             }
+
+            if ((index < numArgs) &&
+                    (args[index] == String16("--latency-clear"))) {
+                index++;
+                clearStatsLocked(args, index, result, buffer, SIZE);
+            }
         }
 
         if (dumpAll) {
@@ -1506,6 +1521,18 @@
     return NO_ERROR;
 }
 
+void SurfaceFlinger::listLayersLocked(const Vector<String16>& args, size_t& index,
+        String8& result, char* buffer, size_t SIZE) const
+{
+    const LayerVector& currentLayers = mCurrentState.layersSortedByZ;
+    const size_t count = currentLayers.size();
+    for (size_t i=0 ; i<count ; i++) {
+        const sp<LayerBase>& layer(currentLayers[i]);
+        snprintf(buffer, SIZE, "%s\n", layer->getName().string());
+        result.append(buffer);
+    }
+}
+
 void SurfaceFlinger::dumpStatsLocked(const Vector<String16>& args, size_t& index,
         String8& result, char* buffer, size_t SIZE) const
 {
@@ -1529,6 +1556,25 @@
     }
 }
 
+void SurfaceFlinger::clearStatsLocked(const Vector<String16>& args, size_t& index,
+        String8& result, char* buffer, size_t SIZE) const
+{
+    String8 name;
+    if (index < args.size()) {
+        name = String8(args[index]);
+        index++;
+    }
+
+    const LayerVector& currentLayers = mCurrentState.layersSortedByZ;
+    const size_t count = currentLayers.size();
+    for (size_t i=0 ; i<count ; i++) {
+        const sp<LayerBase>& layer(currentLayers[i]);
+        if (name.isEmpty() || (name == layer->getName())) {
+            layer->clearStats();
+        }
+    }
+}
+
 void SurfaceFlinger::dumpAllLocked(
         String8& result, char* buffer, size_t SIZE) const
 {