71 lines
3.2 KiB
C
71 lines
3.2 KiB
C
/*
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* Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
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* Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without modification,
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* are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this list of
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* conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice, this list
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* of conditions and the following disclaimer in the documentation and/or other materials
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* provided with the distribution.
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*
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* 3. Neither the name of the copyright holder nor the names of its contributors may be used
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* to endorse or promote products derived from this software without specific prior written
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* permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _LOS_OOM_H
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#define _LOS_OOM_H
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#include "los_typedef.h"
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#define OOM_TASK_PRIORITY 9
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#define OOM_TASK_STACK_SIZE 0x1000
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#define OOM_CHECK_MIN 10 /* 0.1s */
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#define OOM_DEFAULT_CHECK_INTERVAL 100 /* 1s */
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#define OOM_CHECK_MAX 1000 /* 10s */
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#define OOM_DEFAULT_LOW_MEM_THRESHOLD 0x80000 /* 512KByte */
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#define OOM_DEFAULT_LOW_MEM_THRESHOLD_MIN 0 /* 0, means always no memory */
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#define OOM_DEFAULT_LOW_MEM_THRESHOLD_MAX 0x100000 /* 1MByte */
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#define OOM_DEFAULT_RECLAIM_MEM_THRESHOLD 0x500000 /* 5MByte */
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typedef UINT32 (*OomFn)(UINTPTR param);
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typedef struct {
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UINT32 lowMemThreshold; /* byte */
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UINT32 reclaimMemThreshold; /* byte */
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UINT32 checkInterval; /* microsecond */
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OomFn processVictimCB; /* process victim process cb function */
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OomFn scoreCB; /* out of memory, the process score function */
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UINT16 swtmrID;
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BOOL enabled; /* oom is enabled or not */
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} OomCB;
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LITE_OS_SEC_TEXT_MINOR UINT32 OomTaskInit(VOID);
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LITE_OS_SEC_TEXT_MINOR VOID OomInfodump(VOID);
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LITE_OS_SEC_TEXT_MINOR VOID OomEnable(VOID);
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LITE_OS_SEC_TEXT_MINOR VOID OomDisable(VOID);
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LITE_OS_SEC_TEXT_MINOR VOID OomSetLowMemThreashold(UINT32 lowMemThreshold);
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LITE_OS_SEC_TEXT_MINOR VOID OomSetReclaimMemThreashold(UINT32 reclaimMemThreshold);
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LITE_OS_SEC_TEXT_MINOR VOID OomSetCheckInterval(UINT32 checkInterval);
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LITE_OS_SEC_TEXT_MINOR BOOL OomCheckProcess(VOID);
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#endif
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