1 /*
2 * Copyright (C) 2017 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 #include <gtest/gtest.h>
18
19 #include <gui/SurfaceComposerClient.h>
20
21 #include <utils/String8.h>
22
23 #include <thread>
24 #include <functional>
25 #include <layerproto/LayerProtoParser.h>
26
27 namespace android {
28
TEST(SurfaceFlingerStress,create_and_destroy)29 TEST(SurfaceFlingerStress, create_and_destroy) {
30 auto do_stress = []() {
31 sp<SurfaceComposerClient> client = new SurfaceComposerClient;
32 ASSERT_EQ(NO_ERROR, client->initCheck());
33 for (int j = 0; j < 1000; j++) {
34 auto surf = client->createSurface(String8("t"), 100, 100,
35 PIXEL_FORMAT_RGBA_8888, 0);
36 ASSERT_TRUE(surf != nullptr);
37 surf.clear();
38 }
39 };
40
41 std::vector<std::thread> threads;
42 for (int i = 0; i < 10; i++) {
43 threads.push_back(std::thread(do_stress));
44 }
45 for (auto& thread : threads) {
46 thread.join();
47 }
48 }
49
generateLayerProto()50 surfaceflinger::LayersProto generateLayerProto() {
51 surfaceflinger::LayersProto layersProto;
52 std::array<surfaceflinger::LayerProto*, 10> layers = {};
53 for (size_t i = 0; i < layers.size(); ++i) {
54 layers[i] = layersProto.add_layers();
55 layers[i]->set_id(i);
56 }
57
58 layers[0]->add_children(1);
59 layers[1]->set_parent(0);
60 layers[0]->add_children(2);
61 layers[2]->set_parent(0);
62 layers[0]->add_children(3);
63 layers[3]->set_parent(0);
64 layers[2]->add_children(4);
65 layers[4]->set_parent(2);
66 layers[3]->add_children(5);
67 layers[5]->set_parent(3);
68 layers[5]->add_children(6);
69 layers[6]->set_parent(5);
70 layers[5]->add_children(7);
71 layers[7]->set_parent(5);
72 layers[6]->add_children(8);
73 layers[8]->set_parent(6);
74
75 layers[4]->set_z_order_relative_of(3);
76 layers[3]->add_relatives(4);
77 layers[8]->set_z_order_relative_of(9);
78 layers[9]->add_relatives(8);
79 layers[3]->set_z_order_relative_of(1);
80 layers[1]->add_relatives(3);
81
82 /* ----------------------------
83 * - 0 - - 9 -
84 * / | \
85 * 1 2 3(1)
86 * | |
87 * 4(3) 5
88 * / \
89 * 6 7
90 * |
91 * 8(9)
92 * -------------------------- */
93
94 return layersProto;
95 }
96
TEST(LayerProtoStress,mem_info)97 TEST(LayerProtoStress, mem_info) {
98 std::string cmd = "dumpsys meminfo ";
99 cmd += std::to_string(getpid());
100 system(cmd.c_str());
101 for (int i = 0; i < 100000; i++) {
102 surfaceflinger::LayersProto layersProto = generateLayerProto();
103 auto layerTree = surfaceflinger::LayerProtoParser::generateLayerTree(layersProto);
104 surfaceflinger::LayerProtoParser::layerTreeToString(layerTree);
105 }
106 system(cmd.c_str());
107 }
108
109 }
110