Use unique_ptr for proto parser to handle destruction.
There's a memory leak where Layers created for the proto tree are not
removed when no longer used. This ensures that there's a unique_ptr for
each parser layer created so it will be automatically destroyed when
out of scope.
Change-Id: I56731d28a39e7d9d157c59065102d97f316f3b7d
Fixes: 74071380
Test: adb shell dumpsys SurfaceFlinger
Test: LayerProtoStress.mem_info no longer shows increased memory
diff --git a/services/surfaceflinger/tests/Stress_test.cpp b/services/surfaceflinger/tests/Stress_test.cpp
index 33dd2f5..4577153 100644
--- a/services/surfaceflinger/tests/Stress_test.cpp
+++ b/services/surfaceflinger/tests/Stress_test.cpp
@@ -22,7 +22,7 @@
#include <thread>
#include <functional>
-
+#include <layerproto/LayerProtoParser.h>
namespace android {
@@ -47,4 +47,66 @@
}
}
+surfaceflinger::LayersProto generateLayerProto() {
+ surfaceflinger::LayersProto layersProto;
+ std::array<surfaceflinger::LayerProto*, 10> layers = {};
+ for (size_t i = 0; i < layers.size(); ++i) {
+ layers[i] = layersProto.add_layers();
+ layers[i]->set_id(i);
+ }
+
+ layers[0]->add_children(1);
+ layers[1]->set_parent(0);
+ layers[0]->add_children(2);
+ layers[2]->set_parent(0);
+ layers[0]->add_children(3);
+ layers[3]->set_parent(0);
+ layers[2]->add_children(4);
+ layers[4]->set_parent(2);
+ layers[3]->add_children(5);
+ layers[5]->set_parent(3);
+ layers[5]->add_children(6);
+ layers[6]->set_parent(5);
+ layers[5]->add_children(7);
+ layers[7]->set_parent(5);
+ layers[6]->add_children(8);
+ layers[8]->set_parent(6);
+
+ layers[4]->set_z_order_relative_of(3);
+ layers[3]->add_relatives(4);
+ layers[8]->set_z_order_relative_of(9);
+ layers[9]->add_relatives(8);
+ layers[3]->set_z_order_relative_of(1);
+ layers[1]->add_relatives(3);
+
+/* ----------------------------
+ * - 0 - - 9 -
+ * / | \
+ * 1 2 3(1)
+ * | |
+ * 4(3) 5
+ * / \
+ * 6 7
+ * |
+ * 8(9)
+ * -------------------------- */
+
+ return layersProto;
+}
+
+TEST(LayerProtoStress, mem_info) {
+ std::string cmd = "dumpsys meminfo ";
+ cmd += std::to_string(getpid());
+ system(cmd.c_str());
+ for (int i = 0; i < 100000; i++) {
+ surfaceflinger::LayersProto layersProto = generateLayerProto();
+ auto layerTree = surfaceflinger::LayerProtoParser::generateLayerTree(layersProto);
+ // Allow some layerTrees to just fall out of scope (instead of std::move)
+ if (i % 2) {
+ surfaceflinger::LayerProtoParser::layersToString(std::move(layerTree));
+ }
+ }
+ system(cmd.c_str());
+}
+
}