commit 46470110f4faa3a901067b066fdfc90a6a110b60
author Dominik Laskowski <domlaskowski@google.com> Fri Aug 02 13:13:11 2019 -0700
committer Dominik Laskowski <domlaskowski@google.com> Mon Aug 05 10:38:52 2019 -0700
tree 7297a1c37fbd65cc48c43c89728aeeb24e4bb491
parent 76b804f2b9f36003a4f1669109afa469ddb126b8

SF: Omit layer tree dump if flag is specified

Bug: None
Test: dumpsys SurfaceFlinger --vsync
Change-Id: I4214d75faff5c0ee1f29ff3d63b45e5e0825dba7

services/surfaceflinger/SurfaceFlinger.cpp

diff --git a/services/surfaceflinger/SurfaceFlinger.cpp b/services/surfaceflinger/SurfaceFlinger.cpp
index acfd534..67735aa 100644
--- a/services/surfaceflinger/SurfaceFlinger.cpp
+++ b/services/surfaceflinger/SurfaceFlinger.cpp
@@ -4498,7 +4498,8 @@
 
         const auto flag = args.empty() ? ""s : std::string(String8(args[0]));
 
-        if (const auto it = dumpers.find(flag); it != dumpers.end()) {
+        const auto it = dumpers.find(flag);
+        if (it != dumpers.end()) {
             (it->second)(args, asProto, result);
         } else if (!asProto) {
             dumpAllLocked(args, result);
@@ -4508,13 +4509,15 @@
             mStateLock.unlock();
         }
 
-        LayersProto layersProto = dumpProtoFromMainThread();
-        if (asProto) {
-            result.append(layersProto.SerializeAsString().c_str(), layersProto.ByteSize());
-        } else {
-            auto layerTree = LayerProtoParser::generateLayerTree(layersProto);
-            result.append(LayerProtoParser::layerTreeToString(layerTree));
-            result.append("\n");
+        if (it == dumpers.end()) {
+            const LayersProto layersProto = dumpProtoFromMainThread();
+            if (asProto) {
+                result.append(layersProto.SerializeAsString());
+            } else {
+                const auto layerTree = LayerProtoParser::generateLayerTree(layersProto);
+                result.append(LayerProtoParser::layerTreeToString(layerTree));
+                result.append("\n");
+            }
         }
     }
     write(fd, result.c_str(), result.size());