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/*
* Copyright 2024 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_RUNTIME_JIT_JIT_OPTIONS_H_
#define ART_RUNTIME_JIT_JIT_OPTIONS_H_
#include "base/macros.h"
#include "base/runtime_debug.h"
#include "profile_saver_options.h"
namespace art HIDDEN {
struct RuntimeArgumentMap;
namespace jit {
// At what priority to schedule jit threads. 9 is the lowest foreground priority on device.
// See android/os/Process.java.
static constexpr int kJitPoolThreadPthreadDefaultPriority = 9;
// At what priority to schedule jit zygote threads compiling profiles in the background.
// 19 is the lowest background priority on device.
// See android/os/Process.java.
static constexpr int kJitZygotePoolThreadPthreadDefaultPriority = 19;
class JitOptions {
public:
DECLARE_RUNTIME_DEBUG_FLAG(kSlowMode);
static JitOptions* CreateFromRuntimeArguments(const RuntimeArgumentMap& options);
uint16_t GetOptimizeThreshold() const {
return optimize_threshold_;
}
uint16_t GetWarmupThreshold() const {
return warmup_threshold_;
}
uint16_t GetPriorityThreadWeight() const {
return priority_thread_weight_;
}
uint16_t GetInvokeTransitionWeight() const {
return invoke_transition_weight_;
}
size_t GetCodeCacheInitialCapacity() const {
return code_cache_initial_capacity_;
}
size_t GetCodeCacheMaxCapacity() const {
return code_cache_max_capacity_;
}
bool DumpJitInfoOnShutdown() const {
return dump_info_on_shutdown_;
}
const ProfileSaverOptions& GetProfileSaverOptions() const {
return profile_saver_options_;
}
bool GetSaveProfilingInfo() const {
return profile_saver_options_.IsEnabled();
}
int GetThreadPoolPthreadPriority() const {
return thread_pool_pthread_priority_;
}
int GetZygoteThreadPoolPthreadPriority() const {
return zygote_thread_pool_pthread_priority_;
}
bool UseJitCompilation() const {
return use_jit_compilation_;
}
bool UseProfiledJitCompilation() const {
return use_profiled_jit_compilation_;
}
void SetUseJitCompilation(bool b) {
use_jit_compilation_ = b;
}
void SetSaveProfilingInfo(bool save_profiling_info) {
profile_saver_options_.SetEnabled(save_profiling_info);
}
void SetWaitForJitNotificationsToSaveProfile(bool value) {
profile_saver_options_.SetWaitForJitNotificationsToSave(value);
}
void SetJitAtFirstUse() {
use_jit_compilation_ = true;
optimize_threshold_ = 0;
}
void SetUseBaselineCompiler() {
use_baseline_compiler_ = true;
}
bool UseBaselineCompiler() const {
return use_baseline_compiler_;
}
private:
// We add the sample in batches of size kJitSamplesBatchSize.
// This method rounds the threshold so that it is multiple of the batch size.
static uint32_t RoundUpThreshold(uint32_t threshold);
bool use_jit_compilation_;
bool use_profiled_jit_compilation_;
bool use_baseline_compiler_;
size_t code_cache_initial_capacity_;
size_t code_cache_max_capacity_;
uint32_t optimize_threshold_;
uint32_t warmup_threshold_;
uint16_t priority_thread_weight_;
uint16_t invoke_transition_weight_;
bool dump_info_on_shutdown_;
int thread_pool_pthread_priority_;
int zygote_thread_pool_pthread_priority_;
ProfileSaverOptions profile_saver_options_;
JitOptions()
: use_jit_compilation_(false),
use_profiled_jit_compilation_(false),
use_baseline_compiler_(false),
code_cache_initial_capacity_(0),
code_cache_max_capacity_(0),
optimize_threshold_(0),
warmup_threshold_(0),
priority_thread_weight_(0),
invoke_transition_weight_(0),
dump_info_on_shutdown_(false),
thread_pool_pthread_priority_(kJitPoolThreadPthreadDefaultPriority),
zygote_thread_pool_pthread_priority_(kJitZygotePoolThreadPthreadDefaultPriority) {}
DISALLOW_COPY_AND_ASSIGN(JitOptions);
};
} // namespace jit
} // namespace art
#endif // ART_RUNTIME_JIT_JIT_OPTIONS_H_
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