1 /* 2 * Copyright (C) 2016 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 "service/GraphicsStatsService.h" 20 21 #include <frameworks/base/core/proto/android/service/graphicsstats.pb.h> 22 23 #include <sys/types.h> 24 #include <sys/stat.h> 25 #include <stdio.h> 26 #include <stdlib.h> 27 #include <unistd.h> 28 29 using namespace android; 30 using namespace android::uirenderer; 31 32 std::string findRootPath() { 33 char path[1024]; 34 ssize_t r = readlink("/proc/self/exe", path, 1024); 35 // < 1023 because we need room for the null terminator 36 if (r <= 0 || r > 1023) { 37 int err = errno; 38 fprintf(stderr, "Failed to read from /proc/self/exe; r=%zd, err=%d (%s)\n", 39 r, err, strerror(err)); 40 exit(EXIT_FAILURE); 41 } 42 while (--r > 0) { 43 if (path[r] == '/') { 44 path[r] = '\0'; 45 return std::string(path); 46 } 47 } 48 return std::string(); 49 } 50 51 // No code left untested 52 TEST(GraphicsStats, findRootPath) { 53 #ifdef __LP64__ 54 std::string expected = "/data/nativetest64/hwui_unit_tests"; 55 #else 56 std::string expected = "/data/nativetest/hwui_unit_tests"; 57 #endif 58 EXPECT_EQ(expected, findRootPath()); 59 } 60 61 TEST(GraphicsStats, saveLoad) { 62 std::string path = findRootPath() + "/test_saveLoad"; 63 std::string packageName = "com.test.saveLoad"; 64 MockProfileData mockData; 65 mockData.editJankFrameCount() = 20; 66 mockData.editTotalFrameCount() = 100; 67 mockData.editStatStartTime() = 10000; 68 // Fill with patterned data we can recognize but which won't map to a 69 // memset or basic for iteration count 70 for (size_t i = 0; i < mockData.editFrameCounts().size(); i++) { 71 mockData.editFrameCounts()[i] = ((i % 10) + 1) * 2; 72 } 73 for (size_t i = 0; i < mockData.editSlowFrameCounts().size(); i++) { 74 mockData.editSlowFrameCounts()[i] = (i % 5) + 1; 75 } 76 GraphicsStatsService::saveBuffer(path, packageName, 5, 3000, 7000, &mockData); 77 service::GraphicsStatsProto loadedProto; 78 EXPECT_TRUE(GraphicsStatsService::parseFromFile(path, &loadedProto)); 79 // Clean up the file 80 unlink(path.c_str()); 81 82 EXPECT_EQ(packageName, loadedProto.package_name()); 83 EXPECT_EQ(5, loadedProto.version_code()); 84 EXPECT_EQ(3000, loadedProto.stats_start()); 85 EXPECT_EQ(7000, loadedProto.stats_end()); 86 // ASSERT here so we don't continue with a nullptr deref crash if this is false 87 ASSERT_TRUE(loadedProto.has_summary()); 88 EXPECT_EQ(20, loadedProto.summary().janky_frames()); 89 EXPECT_EQ(100, loadedProto.summary().total_frames()); 90 EXPECT_EQ(mockData.editFrameCounts().size() + mockData.editSlowFrameCounts().size(), 91 (size_t) loadedProto.histogram_size()); 92 for (size_t i = 0; i < (size_t) loadedProto.histogram_size(); i++) { 93 int expectedCount, expectedBucket; 94 if (i < mockData.editFrameCounts().size()) { 95 expectedCount = ((i % 10) + 1) * 2; 96 expectedBucket = ProfileData::frameTimeForFrameCountIndex(i); 97 } else { 98 int temp = i - mockData.editFrameCounts().size(); 99 expectedCount = (temp % 5) + 1; 100 expectedBucket = ProfileData::frameTimeForSlowFrameCountIndex(temp); 101 } 102 EXPECT_EQ(expectedCount, loadedProto.histogram().Get(i).frame_count()); 103 EXPECT_EQ(expectedBucket, loadedProto.histogram().Get(i).render_millis()); 104 } 105 } 106 107 TEST(GraphicsStats, merge) { 108 std::string path = findRootPath() + "/test_merge"; 109 std::string packageName = "com.test.merge"; 110 MockProfileData mockData; 111 mockData.editJankFrameCount() = 20; 112 mockData.editTotalFrameCount() = 100; 113 mockData.editStatStartTime() = 10000; 114 // Fill with patterned data we can recognize but which won't map to a 115 // memset or basic for iteration count 116 for (size_t i = 0; i < mockData.editFrameCounts().size(); i++) { 117 mockData.editFrameCounts()[i] = ((i % 10) + 1) * 2; 118 } 119 for (size_t i = 0; i < mockData.editSlowFrameCounts().size(); i++) { 120 mockData.editSlowFrameCounts()[i] = (i % 5) + 1; 121 } 122 GraphicsStatsService::saveBuffer(path, packageName, 5, 3000, 7000, &mockData); 123 mockData.editJankFrameCount() = 50; 124 mockData.editTotalFrameCount() = 500; 125 for (size_t i = 0; i < mockData.editFrameCounts().size(); i++) { 126 mockData.editFrameCounts()[i] = (i % 5) + 1; 127 } 128 for (size_t i = 0; i < mockData.editSlowFrameCounts().size(); i++) { 129 mockData.editSlowFrameCounts()[i] = ((i % 10) + 1) * 2; 130 } 131 GraphicsStatsService::saveBuffer(path, packageName, 5, 7050, 10000, &mockData); 132 133 service::GraphicsStatsProto loadedProto; 134 EXPECT_TRUE(GraphicsStatsService::parseFromFile(path, &loadedProto)); 135 // Clean up the file 136 unlink(path.c_str()); 137 138 EXPECT_EQ(packageName, loadedProto.package_name()); 139 EXPECT_EQ(5, loadedProto.version_code()); 140 EXPECT_EQ(3000, loadedProto.stats_start()); 141 EXPECT_EQ(10000, loadedProto.stats_end()); 142 // ASSERT here so we don't continue with a nullptr deref crash if this is false 143 ASSERT_TRUE(loadedProto.has_summary()); 144 EXPECT_EQ(20 + 50, loadedProto.summary().janky_frames()); 145 EXPECT_EQ(100 + 500, loadedProto.summary().total_frames()); 146 EXPECT_EQ(mockData.editFrameCounts().size() + mockData.editSlowFrameCounts().size(), 147 (size_t) loadedProto.histogram_size()); 148 for (size_t i = 0; i < (size_t) loadedProto.histogram_size(); i++) { 149 int expectedCount, expectedBucket; 150 if (i < mockData.editFrameCounts().size()) { 151 expectedCount = ((i % 10) + 1) * 2; 152 expectedCount += (i % 5) + 1; 153 expectedBucket = ProfileData::frameTimeForFrameCountIndex(i); 154 } else { 155 int temp = i - mockData.editFrameCounts().size(); 156 expectedCount = (temp % 5) + 1; 157 expectedCount += ((temp % 10) + 1) * 2; 158 expectedBucket = ProfileData::frameTimeForSlowFrameCountIndex(temp); 159 } 160 EXPECT_EQ(expectedCount, loadedProto.histogram().Get(i).frame_count()); 161 EXPECT_EQ(expectedBucket, loadedProto.histogram().Get(i).render_millis()); 162 } 163 } 164