get_test_data.h revision 8f680f60dc800bec880c5c35bfbc1ac36165e1f3
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 24std::string GetTestData(const std::string& filename); 25const std::string& GetTestDataDir(); 26 27bool IsRoot(); 28 29// The source code of elf and elf_with_mini_debug_info is testdata/elf_file_source.cpp. 30static const std::string ELF_FILE = "elf"; 31static const std::string ELF_FILE_WITH_MINI_DEBUG_INFO = "elf_with_mini_debug_info"; 32// perf.data is generated by sampling on three processes running different 33// executables: elf, t1, t2 (all generated by elf_file_source.cpp, but with different 34// executable name). 35static const std::string PERF_DATA = "perf.data"; 36// perf_g_fp.data is generated by sampling on one process running elf using --call-graph fp option. 37static const std::string CALLGRAPH_FP_PERF_DATA = "perf_g_fp.data"; 38// perf_b.data is generated by sampling on one process running elf using -b option. 39static const std::string BRANCH_PERF_DATA = "perf_b.data"; 40// perf_with_mini_debug_info.data is generated by sampling on one process running 41// elf_with_mini_debug_info. 42static const std::string PERF_DATA_WITH_MINI_DEBUG_INFO = "perf_with_mini_debug_info.data"; 43 44static BuildId elf_file_build_id("0b12a384a9f4a3f3659b7171ca615dbec3a81f71"); 45 46 47// To generate apk supporting execution on shared libraries in apk: 48// 1. Add android:extractNativeLibs=false in AndroidManifest.xml. 49// 2. Use `zip -0` to store native libraries in apk without compression. 50// 3. Use `zipalign -p 4096` to make native libraries in apk start at page boundaries. 51// 52// The logical in libhello-jni.so is as below: 53// volatile int GlobalVar; 54// 55// while (true) { 56// GlobalFunc() -> Func1() -> Func2() 57// } 58// And most time is spent in Func2(). 59static const std::string APK_FILE = "data/app/com.example.hellojni-1/base.apk"; 60static const std::string NATIVELIB_IN_APK = "lib/arm64-v8a/libhello-jni.so"; 61// has_embedded_native_libs_apk_perf.data is generated by sampling on one process running 62// APK_FILE using -g --no-unwind option. 63static const std::string NATIVELIB_IN_APK_PERF_DATA = "has_embedded_native_libs_apk_perf.data"; 64// The offset and size info are extracted from the generated apk file to run read_apk tests. 65constexpr size_t NATIVELIB_OFFSET_IN_APK = 0x639000; 66constexpr size_t NATIVELIB_SIZE_IN_APK = 0x1678; 67 68static BuildId native_lib_build_id("8ed5755a7fdc07586ca228b8ee21621bce2c7a97"); 69 70#endif // SIMPLE_PERF_GET_TEST_DATA_H_ 71