1 /* 2 * Copyright (C) 2015 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 #ifndef SIMPLE_PERF_GET_TEST_DATA_H_ 18 #define SIMPLE_PERF_GET_TEST_DATA_H_ 19 20 #include <string> 21 22 #include "build_id.h" 23 24 std::string GetTestData(const std::string& filename); 25 const std::string& GetTestDataDir(); 26 27 bool IsRoot(); 28 29 // The source code of elf is testdata/elf_file_source.cpp. 30 static const std::string ELF_FILE = "elf"; 31 // perf.data is generated by sampling on three processes running different 32 // executables: elf, t1, t2 (all generated by elf_file_source.cpp, but with different 33 // executable name). 34 static const std::string PERF_DATA = "perf.data"; 35 // perf_g_fp.data is generated by sampling on one process running elf using --call-graph fp option. 36 static const std::string CALLGRAPH_FP_PERF_DATA = "perf_g_fp.data"; 37 // perf_b.data is generated by sampling on one process running elf using -b option. 38 static const std::string BRANCH_PERF_DATA = "perf_b.data"; 39 40 static BuildId elf_file_build_id("0b12a384a9f4a3f3659b7171ca615dbec3a81f71"); 41 42 43 // To generate apk supporting execution on shared libraries in apk: 44 // 1. Add android:extractNativeLibs=false in AndroidManifest.xml. 45 // 2. Use `zip -0` to store native libraries in apk without compression. 46 // 3. Use `zipalign -p 4096` to make native libraries in apk start at page boundaries. 47 // 48 // The logical in libhello-jni.so is as below: 49 // volatile int GlobalVar; 50 // 51 // while (true) { 52 // GlobalFunc() -> Func1() -> Func2() 53 // } 54 // And most time is spent in Func2(). 55 static const std::string APK_FILE = "data/app/com.example.hellojni-1/base.apk"; 56 static const std::string NATIVELIB_IN_APK = "lib/arm64-v8a/libhello-jni.so"; 57 // has_embedded_native_libs_apk_perf.data is generated by sampling on one process running 58 // APK_FILE using -g --no-unwind option. 59 static const std::string NATIVELIB_IN_APK_PERF_DATA = "has_embedded_native_libs_apk_perf.data"; 60 // The offset and size info are extracted from the generated apk file to run read_apk tests. 61 constexpr size_t NATIVELIB_OFFSET_IN_APK = 0x639000; 62 constexpr size_t NATIVELIB_SIZE_IN_APK = 0x1678; 63 64 static BuildId native_lib_build_id("8ed5755a7fdc07586ca228b8ee21621bce2c7a97"); 65 66 #endif // SIMPLE_PERF_GET_TEST_DATA_H_ 67
