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/*
* Copyright (C) 2015 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.
*/
#ifndef ART_COMPILER_PROFILE_ASSISTANT_H_
#define ART_COMPILER_PROFILE_ASSISTANT_H_
#include <string>
#include <vector>
#include "jit/offline_profiling_info.cc"
namespace art {
class ProfileAssistant {
public:
// Process the profile information present in the given files. Returns true
// if the analysis ended up successfully (i.e. no errors during reading,
// merging or writing of profile files).
//
// If the returned value is true and there is a significant difference between
// profile_files and reference_profile_files:
// - profile_compilation_info is set to a not null object that
// can be used to drive compilation. It will be the merge of all the data
// found in profile_files and reference_profile_files.
// - the data from profile_files[i] is merged into
// reference_profile_files[i] and the corresponding backing file is
// updated.
//
// If the returned value is false or the difference is insignificant,
// profile_compilation_info will be set to null.
//
// Additional notes:
// - as mentioned above, this function may update the content of the files
// passed with the reference_profile_files.
// - if reference_profile_files is not empty it must be the same size as
// profile_files.
static bool ProcessProfiles(
const std::vector<std::string>& profile_files,
const std::vector<std::string>& reference_profile_files,
/*out*/ ProfileCompilationInfo** profile_compilation_info);
private:
DISALLOW_COPY_AND_ASSIGN(ProfileAssistant);
};
} // namespace art
#endif // ART_COMPILER_PROFILE_ASSISTANT_H_