更新日期: 2022/06/01 来源: https://gitee.com/weharmony/kernel_liteos_a_note
los_vm_dump.h
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1/*
2 * Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
3 * Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without modification,
6 * are permitted provided that the following conditions are met:
7 *
8 * 1. Redistributions of source code must retain the above copyright notice, this list of
9 * conditions and the following disclaimer.
10 *
11 * 2. Redistributions in binary form must reproduce the above copyright notice, this list
12 * of conditions and the following disclaimer in the documentation and/or other materials
13 * provided with the distribution.
14 *
15 * 3. Neither the name of the copyright holder nor the names of its contributors may be used
16 * to endorse or promote products derived from this software without specific prior written
17 * permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
20 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
21 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
23 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
24 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
25 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
26 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
27 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
28 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
29 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30 */
31
32/**
33 * @defgroup los_vm_dump virtual memory dump operation
34 * @ingroup kernel
35 */
36
37#ifndef __LOS_VM_DUMP_H__
38#define __LOS_VM_DUMP_H__
39
40#include "los_vm_map.h"
41#include "los_process_pri.h"
42
43#ifdef __cplusplus
44#if __cplusplus
45extern "C" {
46#endif /* __cplusplus */
47#endif /* __cplusplus */
48
49/**
50 * These macros is used for process memory usage statistics.
51 * Include virtual memory, shared memory and physical memory.
52 */
53#define PROCESS_VM_INDEX_MAX 3
54#define PROCESS_MEMINFO_LEN (sizeof(UINT32) * PROCESS_VM_INDEX_MAX)
55#define PROCESS_VM_INDEX 0
56#define PROCESS_SM_INDEX 1
57#define PROCESS_PM_INDEX 2
58
62UINT32 OsShellCmdProcessPmUsage(LosVmSpace *space, UINT32 *sharePm, UINT32 *actualPm);
63UINT32 OsUProcessPmUsage(LosVmSpace *space, UINT32 *sharePm, UINT32 *actualPm);
64UINT32 OsKProcessPmUsage(LosVmSpace *kAspace, UINT32 *actualPm);
65VOID OsDumpAspace(LosVmSpace *space);
66UINT32 OsCountRegionPages(LosVmSpace *space, LosVmMapRegion *region, UINT32 *pssPages);
68VOID OsDumpAllAspace(VOID);
69VOID OsVmPhysDump(VOID);
70VOID OsVmPhysUsedInfoGet(UINT32 *usedCount, UINT32 *totalCount);
72VOID OsDumpPte(VADDR_T vaddr);
74CHAR *OsArchFlagsToStr(const UINT32 archFlags);
75
76#ifdef __cplusplus
77#if __cplusplus
78}
79#endif /* __cplusplus */
80#endif /* __cplusplus */
81
82#endif /* __LOS_VM_DUMP_H__ */
signed int INT32
Definition: los_typedef.h:60
unsigned long VADDR_T
Definition: los_typedef.h:208
unsigned int UINT32
Definition: los_typedef.h:57
char CHAR
Definition: los_typedef.h:63
LosProcessCB * OsGetPIDByAspace(LosVmSpace *space)
通过虚拟空间获取进程实体
Definition: los_vm_dump.c:256
UINT32 OsCountRegionPages(LosVmSpace *space, LosVmMapRegion *region, UINT32 *pssPages)
统计虚拟空间中某个线性区的页数
Definition: los_vm_dump.c:278
VOID OsDumpAspace(LosVmSpace *space)
dump 指定虚拟空间的信息
Definition: los_vm_dump.c:396
VOID OsVmPhysUsedInfoGet(UINT32 *usedCount, UINT32 *totalCount)
获取物理内存的使用信息,两个参数接走数据
Definition: los_vm_dump.c:558
VOID OsDumpPte(VADDR_T vaddr)
dump 页表项
Definition: los_vm_dump.c:456
UINT32 OsShellCmdProcessPmUsage(LosVmSpace *space, UINT32 *sharePm, UINT32 *actualPm)
shell task 物理内存的使用情况
Definition: los_vm_dump.c:183
UINT32 OsShellCmdProcessVmUsage(LosVmSpace *space)
shell task 进程虚拟内存的使用情况
Definition: los_vm_dump.c:111
VOID OsDumpAllAspace(VOID)
查看所有进程使用虚拟内存的情况
Definition: los_vm_dump.c:430
CHAR * OsArchFlagsToStr(const UINT32 archFlags)
Definition: los_vm_dump.c:326
UINT32 OsKProcessPmUsage(LosVmSpace *kAspace, UINT32 *actualPm)
内核空间物理内存使用情况统计
Definition: los_vm_dump.c:138
const CHAR * OsGetRegionNameOrFilePath(LosVmMapRegion *region)
Definition: los_vm_dump.c:57
VOID OsVmPhysDump(VOID)
dump 物理内存
Definition: los_vm_dump.c:516
INT32 OsRegionOverlapCheck(LosVmSpace *space, LosVmMapRegion *region)
Definition: los_vm_dump.c:442
UINT32 OsCountAspacePages(LosVmSpace *space)
统计虚拟空间的总页数
Definition: los_vm_dump.c:312
UINT32 OsUProcessPmUsage(LosVmSpace *space, UINT32 *sharePm, UINT32 *actualPm)
虚拟空间物理内存的使用情况,参数同时带走共享物理内存 sharePm和actualPm 单位是字节
Definition: los_vm_dump.c:199
INT32 OsRegionOverlapCheckUnlock(LosVmSpace *space, LosVmMapRegion *region)
Definition: los_vm_dump.c:85
虚拟空间,每个进程都有一个属于自己的虚拟内存地址空间
Definition: los_vm_map.h:146