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