37cf9d79ab
We introduce a new parameter of target dirty segment ratio, which can be used to set a target dirty / (dirty + free) segments ratio. For example, if we set this as 80%, GC sleep time will be calculated to achieve this ratio in a GC period. Test: check smart idle maint log of StorageManagerService Signed-off-by: Daeho Jeong <daehojeong@google.com> Change-Id: I73f2bcf4bdb810164c174bd0d2518b15d577d5d5
38 lines
1.4 KiB
C++
38 lines
1.4 KiB
C++
/*
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* Copyright (C) 2015 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 ANDROID_VOLD_IDLE_MAINT_H
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#define ANDROID_VOLD_IDLE_MAINT_H
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#include "android/os/IVoldTaskListener.h"
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namespace android {
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namespace vold {
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void Trim(const android::sp<android::os::IVoldTaskListener>& listener);
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int RunIdleMaint(bool needGC, const android::sp<android::os::IVoldTaskListener>& listener);
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int AbortIdleMaint(const android::sp<android::os::IVoldTaskListener>& listener);
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int32_t GetStorageLifeTime();
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void SetGCUrgentPace(int32_t neededSegments, int32_t minSegmentThreshold, float dirtyReclaimRate,
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float reclaimWeight, int32_t gcPeriod, int32_t minGCSleepTime,
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int32_t targetDirtyRatio);
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void RefreshLatestWrite();
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int32_t GetWriteAmount();
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} // namespace vold
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} // namespace android
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#endif
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