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-rw-r--r--simpleperf/cmd_inject.cpp213
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diff --git a/simpleperf/cmd_inject.cpp b/simpleperf/cmd_inject.cpp
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index 9cf40b93..00000000
--- a/simpleperf/cmd_inject.cpp
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@@ -1,213 +0,0 @@
-/*
- * Copyright (C) 2019 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#include <stdio.h>
-
-#include <memory>
-#include <string>
-
-#include "ETMDecoder.h"
-#include "command.h"
-#include "record_file.h"
-#include "thread_tree.h"
-#include "utils.h"
-
-using namespace simpleperf;
-
-namespace {
-
-using AddrPair = std::pair<uint64_t, uint64_t>;
-
-struct AddrPairHash {
- size_t operator()(const AddrPair& ap) const noexcept {
- size_t seed = 0;
- HashCombine(seed, ap.first);
- HashCombine(seed, ap.second);
- return seed;
- }
-};
-
-struct BinaryInfo {
- std::unordered_map<AddrPair, uint64_t, AddrPairHash> range_count_map;
- std::unordered_map<AddrPair, uint64_t, AddrPairHash> branch_count_map;
-};
-
-class InjectCommand : public Command {
- public:
- InjectCommand()
- : Command("inject", "convert etm instruction tracing data into instr ranges",
- // clang-format off
-"Usage: simpleperf inject [options]\n"
-"--binary binary_name Generate data only for binaries containing binary_name.\n"
-"-i <file> input perf.data, generated by recording cs-etm event type.\n"
-" Default is perf.data.\n"
-"-o <file> output file. Default is perf_inject.data.\n"
-" The output is in text format accepted by AutoFDO.\n"
-"--dump-etm type1,type2,... Dump etm data. A type is one of raw, packet and element.\n"
-"--symdir <dir> Look for binaries in a directory recursively.\n"
- // clang-format on
- ),
- output_fp_(nullptr, fclose) {}
-
- bool Run(const std::vector<std::string>& args) override {
- if (!ParseOptions(args)) {
- return false;
- }
- record_file_reader_ = RecordFileReader::CreateInstance(input_filename_);
- if (!record_file_reader_) {
- return false;
- }
- record_file_reader_->LoadBuildIdAndFileFeatures(thread_tree_);
- output_fp_.reset(fopen(output_filename_.c_str(), "w"));
- if (!output_fp_) {
- PLOG(ERROR) << "failed to write to " << output_filename_;
- return false;
- }
- if (!record_file_reader_->ReadDataSection([this](auto r) { return ProcessRecord(r.get()); })) {
- return false;
- }
- PostProcess();
- output_fp_.reset(nullptr);
- return true;
- }
-
- private:
- bool ParseOptions(const std::vector<std::string>& args) {
- for (size_t i = 0; i < args.size(); i++) {
- if (args[i] == "--binary") {
- if (!NextArgumentOrError(args, &i)) {
- return false;
- }
- binary_name_filter_ = args[i];
- } else if (args[i] == "-i") {
- if (!NextArgumentOrError(args, &i)) {
- return false;
- }
- input_filename_ = args[i];
- } else if (args[i] == "-o") {
- if (!NextArgumentOrError(args, &i)) {
- return false;
- }
- output_filename_ = args[i];
- } else if (args[i] == "--dump-etm") {
- if (!NextArgumentOrError(args, &i) || !ParseEtmDumpOption(args[i], &etm_dump_option_)) {
- return false;
- }
- } else if (args[i] == "--symdir") {
- if (!NextArgumentOrError(args, &i) || !Dso::AddSymbolDir(args[i])) {
- return false;
- }
- } else {
- ReportUnknownOption(args, i);
- return false;
- }
- }
- return true;
- }
-
- bool ProcessRecord(Record* r) {
- thread_tree_.Update(*r);
- if (r->type() == PERF_RECORD_AUXTRACE_INFO) {
- auto instr_range_callback = [this](auto& range) { ProcessInstrRange(range); };
- etm_decoder_ = ETMDecoder::Create(*static_cast<AuxTraceInfoRecord*>(r), thread_tree_);
- if (!etm_decoder_) {
- return false;
- }
- etm_decoder_->EnableDump(etm_dump_option_);
- etm_decoder_->RegisterCallback(instr_range_callback);
- } else if (r->type() == PERF_RECORD_AUX) {
- AuxRecord* aux = static_cast<AuxRecord*>(r);
- uint64_t aux_size = aux->data->aux_size;
- if (aux_size > 0) {
- if (aux_data_buffer_.size() < aux_size) {
- aux_data_buffer_.resize(aux_size);
- }
- if (!record_file_reader_->ReadAuxData(aux->Cpu(), aux->data->aux_offset,
- aux_data_buffer_.data(), aux_size)) {
- LOG(ERROR) << "failed to read aux data";
- return false;
- }
- return etm_decoder_->ProcessData(aux_data_buffer_.data(), aux_size);
- }
- }
- return true;
- }
-
- void ProcessInstrRange(const ETMInstrRange& instr_range) {
- if (instr_range.dso->GetDebugFilePath().find(binary_name_filter_) == std::string::npos) {
- return;
- }
- auto& binary = binary_map_[instr_range.dso->GetDebugFilePath()];
- binary.range_count_map[AddrPair(instr_range.start_addr, instr_range.end_addr)] +=
- instr_range.branch_taken_count + instr_range.branch_not_taken_count;
- if (instr_range.branch_taken_count > 0) {
- binary.branch_count_map[AddrPair(instr_range.end_addr, instr_range.branch_to_addr)] +=
- instr_range.branch_taken_count;
- }
- }
-
- void PostProcess() {
- for (const auto& pair : binary_map_) {
- const std::string& binary_path = pair.first;
- const BinaryInfo& binary = pair.second;
-
- // Write range_count_map.
- fprintf(output_fp_.get(), "%zu\n", binary.range_count_map.size());
- for (const auto& pair2 : binary.range_count_map) {
- const AddrPair& addr_range = pair2.first;
- uint64_t count = pair2.second;
-
- fprintf(output_fp_.get(), "%" PRIx64 "-%" PRIx64 ":%" PRIu64 "\n", addr_range.first,
- addr_range.second, count);
- }
-
- // Write addr_count_map.
- fprintf(output_fp_.get(), "0\n");
-
- // Write branch_count_map.
- fprintf(output_fp_.get(), "%zu\n", binary.branch_count_map.size());
- for (const auto& pair2 : binary.branch_count_map) {
- const AddrPair& branch = pair2.first;
- uint64_t count = pair2.second;
-
- fprintf(output_fp_.get(), "%" PRIx64 "->%" PRIx64 ":%" PRIu64 "\n", branch.first,
- branch.second, count);
- }
-
- // Write the binary path in comment.
- fprintf(output_fp_.get(), "// %s\n\n", binary_path.c_str());
- }
- }
-
- std::string binary_name_filter_;
- std::string input_filename_ = "perf.data";
- std::string output_filename_ = "perf_inject.data";
- ThreadTree thread_tree_;
- std::unique_ptr<RecordFileReader> record_file_reader_;
- ETMDumpOption etm_dump_option_;
- std::unique_ptr<ETMDecoder> etm_decoder_;
- std::vector<uint8_t> aux_data_buffer_;
- std::unique_ptr<FILE, decltype(&fclose)> output_fp_;
-
- // Store results for AutoFDO.
- std::unordered_map<std::string, BinaryInfo> binary_map_;
-};
-
-} // namespace
-
-void RegisterInjectCommand() {
- return RegisterCommand("inject", [] { return std::unique_ptr<Command>(new InjectCommand); });
-}