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// Copyright 2014 Google Inc. All rights reserved.
//
// 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.
// Diff two .afdo files.
#include <map>
#include <string>
#include <utility>
#include <vector>
#include "base/common.h"
#include "base/logging.h"
#include "profile_reader.h"
#include "symbol_map.h"
#include "module_grouper.h"
DEFINE_bool(compare_function, false,
"whether to compare function level profile");
int main(int argc, char **argv) {
google::ParseCommandLineFlags(&argc, &argv, true);
google::InitGoogleLogging(argv[0]);
autofdo::SymbolMap symbol_map_1, symbol_map_2;
autofdo::ModuleMap module_map;
if (argc != 3) {
LOG(FATAL) << "Please specify two files to compare";
}
autofdo::AutoFDOProfileReader reader_1(
&symbol_map_1, &module_map, true);
autofdo::AutoFDOProfileReader reader_2(
&symbol_map_2, &module_map, true);
reader_1.ReadFromFile(argv[1]);
reader_2.ReadFromFile(argv[2]);
if (FLAGS_compare_function) {
symbol_map_1.DumpFuncLevelProfileCompare(symbol_map_2);
}
printf("%.4f\n", symbol_map_1.Overlap(symbol_map_2));
return 0;
}
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