1 /*
2 * Copyright (c) Huawei Technologies Co., Ltd. 2023. All rights reserved.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 * http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15
16 #include <gtest/gtest.h>
17 #include <dlfcn.h>
18 #include <fstream>
19 #include "gpu_data_plugin.h"
20 #include "plugin_module_api.h"
21
22 using namespace testing::ext;
23
24 namespace {
25 const std::string DEFAULT_TEST_PATH = "/data/local/tmp/resource";
26 const std::string SO_PATH = "libgpudataplugin.z.so";
27 const std::string DEFAULT_BIN_PATH("/data/local/tmp/gpudataplugintest");
28
29 std::string g_path;
30 std::string g_testPath;
31
32 #if defined(__LP64__)
33 const unsigned long long EXPECT_VAL = 12;
34 const unsigned long long SLEEP_TIME = 5;
35 constexpr uint32_t BUF_SIZE = 4 * 1024 * 1024;
36 #endif
37
38 struct TestVmstat {
39 int64_t pgpgin;
40 int64_t pgpgout;
41 };
42
43 class GpuDataPluginTest : public ::testing::Test {
44 public:
SetUpTestCase()45 static void SetUpTestCase() {}
46
TearDownTestCase()47 static void TearDownTestCase()
48 {
49 if (access(g_testPath.c_str(), F_OK) == 0) {
50 std::string str = "rm -rf " + g_testPath;
51 system(str.c_str());
52 }
53 }
54 };
55
Getexepath()56 string Getexepath()
57 {
58 char buf[PATH_MAX] = "";
59 std::string path = "/proc/self/exe";
60 size_t rslt = readlink(path.c_str(), buf, sizeof(buf));
61 if (rslt < 0 || (rslt >= sizeof(buf))) {
62 return "";
63 }
64 buf[rslt] = '\0';
65 for (int i = rslt; i >= 0; i--) {
66 if (buf[i] == '/') {
67 buf[i + 1] = '\0';
68 break;
69 }
70 }
71 return buf;
72 }
73
GetFullPath(std::string path)74 std::string GetFullPath(std::string path)
75 {
76 if (path.size() > 0 && path[0] != '/') {
77 return Getexepath() + path;
78 }
79 return path;
80 }
81
82 #if defined(__LP64__)
PluginGpuInfoStub(GpuDataPlugin& gpuPlugin, GpuData& gpuData, bool unusualBuff)83 bool PluginGpuInfoStub(GpuDataPlugin& gpuPlugin, GpuData& gpuData, bool unusualBuff)
84 {
85 GpuConfig protoConfig;
86 std::vector<uint8_t> configData(protoConfig.ByteSizeLong());
87 int ret = protoConfig.SerializeToArray(configData.data(), configData.size());
88 if (ret < 0) {
89 return false;
90 }
91
92 // start
93 ret = gpuPlugin.Start(configData.data(), configData.size());
94 if (ret < 0) {
95 return false;
96 }
97
98 gpuPlugin.file_.close();
99 gpuPlugin.file_.open(g_path);
100 // report
101 std::vector<uint8_t> bufferData(BUF_SIZE);
102 if (unusualBuff) { // buffer异常，调整缓冲区长度为1，测试异常情况
103 bufferData.resize(1, 0);
104 }
105
106 ret = gpuPlugin.Report(bufferData.data(), bufferData.size());
107 if (ret > 0) {
108 gpuData.ParseFromArray(bufferData.data(), ret);
109 return true;
110 }
111 return false;
112 }
113 #endif
114
115 /**
116 * @tc.name: gpu plugin
117 * @tc.desc: Test whether the path exists.
118 * @tc.type: FUNC
119 */
HWTEST_F(GpuDataPluginTest, TestPath, TestSize.Level1)120 HWTEST_F(GpuDataPluginTest, TestPath, TestSize.Level1)
121 {
122 g_path = GetFullPath(DEFAULT_TEST_PATH);
123 g_testPath = g_path;
124 EXPECT_NE("", g_path);
125 g_path += "/gpustat1.txt";
126 }
127
128 /**
129 * @tc.name: gpu plugin
130 * @tc.desc: gpu information test for specific path.
131 * @tc.type: FUNC
132 */
HWTEST_F(GpuDataPluginTest, TestPlugin, TestSize.Level1)133 HWTEST_F(GpuDataPluginTest, TestPlugin, TestSize.Level1)
134 {
135 #if defined(__LP64__)
136 GpuDataPlugin gpuPlugin;
137 GpuData gpuData;
138
139 EXPECT_TRUE(PluginGpuInfoStub(gpuPlugin, gpuData, false));
140 EXPECT_EQ(gpuData.gpu_utilisation(), EXPECT_VAL);
141
142 EXPECT_EQ(gpuPlugin.ReadFile(), EXPECT_VAL);
143 sleep(SLEEP_TIME);
144 EXPECT_EQ(gpuPlugin.ReadFile(), EXPECT_VAL);
145 EXPECT_EQ(gpuPlugin.Stop(), 0);
146
147 // 缓冲区异常
148 EXPECT_FALSE(PluginGpuInfoStub(gpuPlugin, gpuData, true));
149 EXPECT_EQ(gpuPlugin.Stop(), 0);
150 #endif
151 }
152
153
154 /**
155 * @tc.name: gpu plugin
156 * @tc.desc: gpu plugin registration test.
157 * @tc.type: FUNC
158 */
HWTEST_F(GpuDataPluginTest, TestPluginRegister, TestSize.Level1)159 HWTEST_F(GpuDataPluginTest, TestPluginRegister, TestSize.Level1)
160 {
161 #if defined(__LP64__)
162 void* handle = dlopen(SO_PATH.c_str(), RTLD_LAZY);
163 ASSERT_NE(handle, nullptr);
164 PluginModuleStruct* gpuPlugin = (PluginModuleStruct*)dlsym(handle, "g_pluginModule");
165 ASSERT_NE(gpuPlugin, nullptr);
166 EXPECT_STREQ(gpuPlugin->name, "gpu-plugin");
167 EXPECT_EQ(gpuPlugin->resultBufferSizeHint, BUF_SIZE);
168
169 // Serialize config
170 GpuConfig protoConfig;
171 int configLength = protoConfig.ByteSizeLong();
172 ASSERT_EQ(configLength, 0);
173 std::vector<uint8_t> configBuffer(configLength);
174 EXPECT_TRUE(protoConfig.SerializeToArray(configBuffer.data(), configLength));
175
176 // run plugin
177 std::vector<uint8_t> dataBuffer(gpuPlugin->resultBufferSizeHint);
178 EXPECT_EQ(gpuPlugin->callbacks->onPluginSessionStart(configBuffer.data(), configLength), RET_SUCC);
179 ASSERT_GT(gpuPlugin->callbacks->onPluginReportResult(dataBuffer.data(), gpuPlugin->resultBufferSizeHint), 0);
180 EXPECT_EQ(gpuPlugin->callbacks->onPluginSessionStop(), RET_SUCC);
181
182 // 反序列化失败导致的start失败
183 configLength++;
184 std::vector<uint8_t> configBuffer2(configLength);
185 EXPECT_TRUE(protoConfig.SerializeToArray(configBuffer2.data(), configLength));
186 EXPECT_EQ(gpuPlugin->callbacks->onPluginSessionStart(configBuffer2.data(), configLength+1), RET_FAIL);
187 #endif
188 }
189
190
191 } // namespace