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91 lines
3.0 KiB
91 lines
3.0 KiB
/*
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* Copyright (C) 2020 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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#pragma once
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#include <inttypes.h>
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#include <string>
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#include <string_view>
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#include <unordered_map>
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#include <vector>
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#include "dso.h"
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#include "thread_tree.h"
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namespace simpleperf {
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enum class CallChainExecutionType {
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NATIVE_METHOD,
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INTERPRETED_JVM_METHOD,
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JIT_JVM_METHOD,
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// ART methods near interpreted/JIT JVM methods. They're shown only when RemoveArtFrame = false.
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ART_METHOD,
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};
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struct CallChainReportEntry {
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uint64_t ip = 0;
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const Symbol* symbol = nullptr;
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Dso* dso = nullptr;
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const char* dso_name = nullptr;
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uint64_t vaddr_in_file = 0;
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const MapEntry* map = nullptr;
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CallChainExecutionType execution_type = CallChainExecutionType::NATIVE_METHOD;
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};
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class CallChainReportBuilder {
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public:
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CallChainReportBuilder(ThreadTree& thread_tree) : thread_tree_(thread_tree) {}
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// If true, remove interpreter frames both before and after a Java frame.
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// Default is true.
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void SetRemoveArtFrame(bool enable) { remove_art_frame_ = enable; }
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// If true, convert a JIT method into its corresponding interpreted Java method. So they can be
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// merged in reports like flamegraph. Default is true.
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void SetConvertJITFrame(bool enable) { convert_jit_frame_ = enable; }
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// Add proguard mapping.txt to de-obfuscate minified symbols.
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bool AddProguardMappingFile(std::string_view mapping_file);
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std::vector<CallChainReportEntry> Build(const ThreadEntry* thread,
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const std::vector<uint64_t>& ips, size_t kernel_ip_count);
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private:
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struct JavaMethod {
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Dso* dso;
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const Symbol* symbol;
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JavaMethod(Dso* dso, const Symbol* symbol) : dso(dso), symbol(symbol) {}
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};
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struct ProguardMappingClass {
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std::string original_classname;
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// Map from minified method names to original method names.
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std::unordered_map<std::string, std::string> method_map;
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};
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void MarkArtFrame(std::vector<CallChainReportEntry>& callchain);
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void ConvertJITFrame(std::vector<CallChainReportEntry>& callchain);
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void CollectJavaMethods();
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void DeObfuscateJavaMethods(std::vector<CallChainReportEntry>& callchain);
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ThreadTree& thread_tree_;
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bool remove_art_frame_ = true;
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bool convert_jit_frame_ = true;
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bool java_method_initialized_ = false;
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std::unordered_map<std::string, JavaMethod> java_method_map_;
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// Map from minified class names to ProguardMappingClass.
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std::unordered_map<std::string, ProguardMappingClass> proguard_class_map_;
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};
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} // namespace simpleperf
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