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/*
* Copyright (C) 2017 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_BOOT_IMAGE_PROFILE_H_
#define ART_PROFMAN_BOOT_IMAGE_PROFILE_H_
#include <limits>
#include <memory>
#include <vector>
#include <set>
#include "base/safe_map.h"
#include "dex/dex_file.h"
namespace art {
class ProfileCompilationInfo;
struct BootImageOptions {
public:
// Threshold for preloaded. The threshold specifies, as percentage
// of maximum number or aggregations, how many different profiles need to have the class
// before it gets added to the list of preloaded classes.
uint32_t preloaded_class_threshold = 10;
// Threshold for classes that may be dirty or clean. The threshold specifies, as percentage
// of maximum number or aggregations, how many different profiles need to have the class
// before it gets added to the boot profile.
uint32_t image_class_threshold = 10;
// Threshold for classes that are likely to remain clean. The threshold specifies, as percentage
// of maximum number or aggregations, how many different profiles need to have the class
// before it gets added to the boot profile.
uint32_t image_class_clean_threshold = 5;
// Threshold for including a method in the profile. The threshold specifies, as percentage
// of maximum number or aggregations, how many different profiles need to have the method
// before it gets added to the boot profile.
uint32_t method_threshold = 10;
// Whether or not we should upgrade the startup methods to hot.
bool upgrade_startup_to_hot = true;
// A special set of thresholds (classes and methods) that apply if a method/class is being used
// by a special package. This can be used to lower the thresholds for methods used by important
// packages (e.g. system server of system ui) or packages which have special needs (e.g. camera
// needs more hardware methods).
SafeMap<std::string, uint32_t> special_packages_thresholds;
// Whether or not to append package use list to each profile element.
// Should be use only for debugging as it will add additional elements to the text output
// that are not compatible with the default profile format.
bool append_package_use_list = false;
// The set of classes that should not be preloaded in Zygote
std::set<std::string> preloaded_classes_denylist;
};
// Generate a boot image profile according to the specified options.
// Boot classpaths dex files are identified by the given vector and the output is
// written to the two specified paths. The paths will be open with O_CREAT | O_WRONLY.
// Returns true if the generation was successful, false otherwise.
bool GenerateBootImageProfile(
const std::vector<std::unique_ptr<const DexFile>>& dex_files,
const std::vector<std::string>& profile_files,
const BootImageOptions& options,
const std::string& boot_profile_out_path,
const std::string& preloaded_classes_out_path);
} // namespace art
#endif // ART_PROFMAN_BOOT_IMAGE_PROFILE_H_
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