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/*
* Copyright (C) 2016 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_PROFMAN_PROFILE_ASSISTANT_H_
#define ART_PROFMAN_PROFILE_ASSISTANT_H_
#include <string>
#include <vector>
#include "base/scoped_flock.h"
#include "jit/profile_compilation_info.h"
namespace art {
class ProfileAssistant {
public:
// These also serve as return codes of profman and are processed by installd
// (frameworks/native/cmds/installd/commands.cpp)
enum ProcessingResult {
kCompile = 0,
kSkipCompilation = 1,
kErrorBadProfiles = 2,
kErrorIO = 3,
kErrorCannotLock = 4
};
// Process the profile information present in the given files. Returns one of
// ProcessingResult values depending on profile information and whether or not
// the analysis ended up successfully (i.e. no errors during reading,
// merging or writing of profile files).
//
// When the returned value is kCompile there is a significant difference
// between profile_files and reference_profile_files. In this case
// reference_profile will be updated with the profiling info obtain after
// merging all profiles.
//
// When the returned value is kSkipCompilation, the difference between the
// merge of the current profiles and the reference one is insignificant. In
// this case no file will be updated.
//
static ProcessingResult ProcessProfiles(
const std::vector<std::string>& profile_files,
const std::string& reference_profile_file,
const ProfileCompilationInfo::ProfileLoadFilterFn& filter_fn
= ProfileCompilationInfo::ProfileFilterFnAcceptAll);
static ProcessingResult ProcessProfiles(
const std::vector<int>& profile_files_fd_,
int reference_profile_file_fd,
const ProfileCompilationInfo::ProfileLoadFilterFn& filter_fn
= ProfileCompilationInfo::ProfileFilterFnAcceptAll);
private:
static ProcessingResult ProcessProfilesInternal(
const std::vector<ScopedFlock>& profile_files,
const ScopedFlock& reference_profile_file,
const ProfileCompilationInfo::ProfileLoadFilterFn& filter_fn);
DISALLOW_COPY_AND_ASSIGN(ProfileAssistant);
};
} // namespace art
#endif // ART_PROFMAN_PROFILE_ASSISTANT_H_