66 lines
2.7 KiB
C++
66 lines
2.7 KiB
C++
/*
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* Copyright (C) 2015 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef SIMPLE_PERF_GET_TEST_DATA_H_
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#define SIMPLE_PERF_GET_TEST_DATA_H_
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#include <string>
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#include "build_id.h"
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std::string GetTestData(const std::string& filename);
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const std::string& GetTestDataDir();
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bool IsRoot();
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// The source code of elf is testdata/elf_file_source.cpp.
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static const std::string ELF_FILE = "elf";
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// perf.data is generated by sampling on three processes running different
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// executables: elf, t1, t2 (all generated by elf_file_source.cpp, but with different
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// executable name).
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static const std::string PERF_DATA = "perf.data";
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// perf_g_fp.data is generated by sampling on one process running elf using --call-graph fp option.
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static const std::string CALLGRAPH_FP_PERF_DATA = "perf_g_fp.data";
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// perf_b.data is generated by sampling on one process running elf using -b option.
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static const std::string BRANCH_PERF_DATA = "perf_b.data";
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static BuildId elf_file_build_id("0b12a384a9f4a3f3659b7171ca615dbec3a81f71");
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// To generate apk supporting execution on shared libraries in apk:
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// 1. Add android:extractNativeLibs=false in AndroidManifest.xml.
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// 2. Use `zip -0` to store native libraries in apk without compression.
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// 3. Use `zipalign -p 4096` to make native libraries in apk start at page boundaries.
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//
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// The logical in libhello-jni.so is as below:
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// volatile int GlobalVar;
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//
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// while (true) {
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// GlobalFunc() -> Func1() -> Func2()
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// }
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// And most time is spent in Func2().
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static const std::string APK_FILE = "data/app/com.example.hellojni-1/base.apk";
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static const std::string NATIVELIB_IN_APK = "lib/arm64-v8a/libhello-jni.so";
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// has_embedded_native_libs_apk_perf.data is generated by sampling on one process running
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// APK_FILE using -g --no-unwind option.
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static const std::string NATIVELIB_IN_APK_PERF_DATA = "has_embedded_native_libs_apk_perf.data";
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// The offset and size info are extracted from the generated apk file to run read_apk tests.
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constexpr size_t NATIVELIB_OFFSET_IN_APK = 0x639000;
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constexpr size_t NATIVELIB_SIZE_IN_APK = 0x1678;
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static BuildId native_lib_build_id("8ed5755a7fdc07586ca228b8ee21621bce2c7a97");
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#endif // SIMPLE_PERF_GET_TEST_DATA_H_
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