115 lines
4.5 KiB
C
Executable File
115 lines
4.5 KiB
C
Executable File
/*
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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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#include <sys/statfs.h>
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#include <sys/mount.h>
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#include "proc_fs.h"
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#ifdef LOSCFG_SHELL_CMD_DEBUG
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#include "los_vm_map.h"
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#include "los_vm_dump.h"
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#include "los_vm_lock.h"
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#include "los_process_pri.h"
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STATIC VOID OsVmDumpSeqSpaces(struct SeqBuf *seqBuf)
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{
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LosVmSpace *space = NULL;
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LosVmMapRegion *region = NULL;
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LosRbNode *pstRbNode = NULL;
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LosRbNode *pstRbNodeNext = NULL;
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UINT32 pssPages = 0;
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UINT32 spacePages;
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UINT32 regionPages;
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LosProcessCB *pcb = NULL;
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LOS_DL_LIST *aspaceList = LOS_GetVmSpaceList();
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LosMux *aspaceListMux = OsGVmSpaceMuxGet();
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(VOID)LOS_MuxAcquire(aspaceListMux);
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LOS_DL_LIST_FOR_EACH_ENTRY(space, aspaceList, LosVmSpace, node) {
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(VOID)LOS_MuxAcquire(&space->regionMux);
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spacePages = OsCountAspacePages(space);
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pcb = OsGetPIDByAspace(space);
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if (pcb == NULL) {
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(VOID)LOS_MuxRelease(&space->regionMux);
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continue;
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}
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(VOID)LosBufPrintf(seqBuf, "\r\n PID aspace name base size pages \n");
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(VOID)LosBufPrintf(seqBuf, " ---- ------ ---- ---- ----- ----\n");
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(VOID)LosBufPrintf(seqBuf, " %-4d %#010x %-10.10s %#010x %#010x %d\n",
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pcb->processID, space, pcb->processName, space->base, space->size, spacePages);
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(VOID)LosBufPrintf(seqBuf,
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"\r\n\t region name base size mmu_flags pages pg/ref\n");
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(VOID)LosBufPrintf(seqBuf,
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"\t ------ ---- ---- ---- --------- ----- -----\n");
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RB_SCAN_SAFE(&space->regionRbTree, pstRbNode, pstRbNodeNext)
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region = (LosVmMapRegion *)pstRbNode;
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regionPages = OsCountRegionPages(space, region, &pssPages);
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CHAR *flagsStr = OsArchFlagsToStr(region->regionFlags);
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if (flagsStr == NULL) {
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break;
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}
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(VOID)LosBufPrintf(seqBuf, "\t %#010x %-19.19s %#010x %#010x %-15.15s %4d %4d\n",
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region, OsGetRegionNameOrFilePath(region), region->range.base,
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region->range.size, flagsStr, regionPages, pssPages);
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(VOID)LOS_MemFree(m_aucSysMem0, flagsStr);
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(VOID)OsRegionOverlapCheck(space, region);
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RB_SCAN_SAFE_END(&space->regionRbTree, pstRbNode, pstRbNodeNext)
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(VOID)LOS_MuxRelease(&space->regionMux);
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}
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(VOID)LOS_MuxRelease(aspaceListMux);
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}
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static int VmmProcFill(struct SeqBuf *m, void *v)
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{
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(void)v;
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OsVmDumpSeqSpaces(m);
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return 0;
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}
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static const struct ProcFileOperations VMM_PROC_FOPS = {
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.write = NULL,
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.read = VmmProcFill,
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};
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void ProcVmmInit(void)
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{
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struct ProcDirEntry *pde = CreateProcEntry("vmm", 0, NULL);
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if (pde == NULL) {
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PRINT_ERR("create /proc/vmm error!\n");
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return;
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}
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pde->procFileOps = &VMM_PROC_FOPS;
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}
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#endif
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