You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
187 lines
7.3 KiB
187 lines
7.3 KiB
/* ----------------------------------------------------------------------------
|
|
* Copyright (c) Huawei Technologies Co., Ltd. 2013-2019. All rights reserved.
|
|
* Description: Mutex Debug
|
|
* Author: Huawei LiteOS Team
|
|
* Create: 2013-01-01
|
|
* Redistribution and use in source and binary forms, with or without modification,
|
|
* are permitted provided that the following conditions are met:
|
|
* 1. Redistributions of source code must retain the above copyright notice, this list of
|
|
* conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright notice, this list
|
|
* of conditions and the following disclaimer in the documentation and/or other materials
|
|
* provided with the distribution.
|
|
* 3. Neither the name of the copyright holder nor the names of its contributors may be used
|
|
* to endorse or promote products derived from this software without specific prior written
|
|
* permission.
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
|
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
|
|
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
|
|
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
|
|
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
|
|
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
|
|
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
|
|
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
|
|
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
|
|
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
|
|
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
* --------------------------------------------------------------------------- */
|
|
|
|
#include "los_mux_debug_pri.h"
|
|
#include "los_typedef.h"
|
|
#include "los_task.h"
|
|
#include "los_misc_pri.h"
|
|
#include "arch/exception.h"
|
|
#ifdef LOSCFG_SHELL
|
|
#include "shcmd.h"
|
|
#endif /* LOSCFG_SHELL */
|
|
|
|
#ifdef __cplusplus
|
|
#if __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
#endif /* __cplusplus */
|
|
|
|
#ifdef LOSCFG_DEBUG_MUTEX
|
|
typedef struct {
|
|
TSK_ENTRY_FUNC creator; /* The task entry who created this mutex */
|
|
UINT64 lastAccessTime; /* The last access time */
|
|
} MuxDebugCB;
|
|
STATIC MuxDebugCB *g_muxDebugArray = NULL;
|
|
|
|
STATIC BOOL MuxCompareValue(const SortParam *sortParam, UINT32 left, UINT32 right)
|
|
{
|
|
return (*((UINT64 *)(VOID *)SORT_ELEM_ADDR(sortParam, left)) >
|
|
*((UINT64 *)(VOID *)SORT_ELEM_ADDR(sortParam, right)));
|
|
}
|
|
|
|
UINT32 OsMuxDbgInit(VOID)
|
|
{
|
|
UINT32 size = LOSCFG_BASE_IPC_MUX_LIMIT * sizeof(MuxDebugCB);
|
|
/* system resident memory, don't free */
|
|
g_muxDebugArray = (MuxDebugCB *)LOS_MemAlloc(m_aucSysMem1, size);
|
|
if (g_muxDebugArray == NULL) {
|
|
PRINT_ERR("%s: malloc failed!\n", __FUNCTION__);
|
|
return LOS_NOK;
|
|
}
|
|
(VOID)memset_s(g_muxDebugArray, size, 0, size);
|
|
return LOS_OK;
|
|
}
|
|
|
|
VOID OsMuxDbgTimeUpdate(UINT32 muxId)
|
|
{
|
|
MuxDebugCB *muxDebug = &g_muxDebugArray[GET_MUX_INDEX(muxId)];
|
|
muxDebug->lastAccessTime = LOS_TickCountGet();
|
|
}
|
|
|
|
VOID OsMuxDbgUpdate(UINT32 muxId, TSK_ENTRY_FUNC creator)
|
|
{
|
|
MuxDebugCB *muxDebug = &g_muxDebugArray[GET_MUX_INDEX(muxId)];
|
|
muxDebug->creator = creator;
|
|
muxDebug->lastAccessTime = LOS_TickCountGet();
|
|
}
|
|
|
|
STATIC VOID SortMuxIndexArray(UINT32 *indexArray, UINT32 count)
|
|
{
|
|
LosMuxCB muxNode = {{0, 0}, 0, 0, 0, 0};
|
|
MuxDebugCB muxDebugNode = {0};
|
|
UINT32 index, intSave;
|
|
SortParam muxSortParam;
|
|
muxSortParam.buf = (CHAR *)g_muxDebugArray;
|
|
muxSortParam.ctrlBlockSize = sizeof(MuxDebugCB);
|
|
muxSortParam.ctrlBlockCnt = LOSCFG_BASE_IPC_MUX_LIMIT;
|
|
muxSortParam.sortElemOff = LOS_OFF_SET_OF(MuxDebugCB, lastAccessTime);
|
|
|
|
if (count > 0) {
|
|
SCHEDULER_LOCK(intSave);
|
|
OsArraySort(indexArray, 0, count - 1, &muxSortParam, MuxCompareValue);
|
|
SCHEDULER_UNLOCK(intSave);
|
|
for (index = 0; index < count; index++) {
|
|
SCHEDULER_LOCK(intSave);
|
|
(VOID)memcpy_s(&muxNode, sizeof(LosMuxCB),
|
|
GET_MUX(indexArray[index]), sizeof(LosMuxCB));
|
|
(VOID)memcpy_s(&muxDebugNode, sizeof(MuxDebugCB),
|
|
&g_muxDebugArray[indexArray[index]], sizeof(MuxDebugCB));
|
|
SCHEDULER_UNLOCK(intSave);
|
|
/*
|
|
* muxStat may be altered after the g_taskSpin is unlocked in OsMutexCheck.
|
|
* We should recheck the muxStat before the print.
|
|
*/
|
|
if ((muxNode.muxStat != LOS_USED) ||
|
|
((muxNode.muxStat == LOS_USED) && ((muxDebugNode.creator == NULL) || (muxNode.owner == NULL)))) {
|
|
continue;
|
|
}
|
|
PRINTK("Mutex ID <0x%x> may leak, TaskID of owner:0x%x, TaskEntry of owner: %p,"
|
|
"TaskEntry of creator: %p,Latest operation time: 0x%llx\n",
|
|
muxNode.muxId, muxNode.owner->taskId, muxNode.owner->taskEntry, muxDebugNode.creator,
|
|
muxDebugNode.lastAccessTime);
|
|
}
|
|
}
|
|
(VOID)LOS_MemFree((VOID *)OS_SYS_MEM_ADDR, indexArray);
|
|
}
|
|
|
|
VOID OsMutexCheck(VOID)
|
|
{
|
|
LosMuxCB muxNode = {{0, 0}, 0, 0, 0, 0};
|
|
MuxDebugCB muxDebugNode = {0};
|
|
UINT32 index, intSave;
|
|
UINT32 count = 0;
|
|
|
|
/*
|
|
* This return value does not need to be judged immediately,
|
|
* and the following code logic has already distinguished the return value from null and non-empty,
|
|
* and there is no case of accessing the null pointer.
|
|
*/
|
|
UINT32 *indexArray = (UINT32 *)LOS_MemAlloc((VOID *)OS_SYS_MEM_ADDR, LOSCFG_BASE_IPC_MUX_LIMIT * sizeof(UINT32));
|
|
|
|
for (index = 0; index < LOSCFG_BASE_IPC_MUX_LIMIT; index++) {
|
|
SCHEDULER_LOCK(intSave);
|
|
(VOID)memcpy_s(&muxNode, sizeof(LosMuxCB), GET_MUX(index), sizeof(LosMuxCB));
|
|
(VOID)memcpy_s(&muxDebugNode, sizeof(MuxDebugCB), &g_muxDebugArray[index], sizeof(MuxDebugCB));
|
|
SCHEDULER_UNLOCK(intSave);
|
|
|
|
if ((muxNode.muxStat != LOS_USED) ||
|
|
((muxNode.muxStat == LOS_USED) && (muxDebugNode.creator == NULL))) {
|
|
continue;
|
|
} else if ((muxNode.muxStat == LOS_USED) && (muxNode.owner == NULL)) {
|
|
PRINTK("Mutex ID <0x%x> may leak, Owner is null, TaskEntry of creator: %p,"
|
|
"Latest operation time: 0x%llx\n",
|
|
muxNode.muxId, muxDebugNode.creator, muxDebugNode.lastAccessTime);
|
|
} else {
|
|
if (indexArray != NULL) {
|
|
*(indexArray + count) = index;
|
|
count++;
|
|
} else {
|
|
PRINTK("Mutex ID <0x%x> may leak, TaskID of owner:0x%x, TaskEntry of owner: %p,"
|
|
"TaskEntry of creator: %p,Latest operation time: 0x%llx\n",
|
|
muxNode.muxId, muxNode.owner->taskId, muxNode.owner->taskEntry, muxDebugNode.creator,
|
|
muxDebugNode.lastAccessTime);
|
|
}
|
|
}
|
|
}
|
|
|
|
if (indexArray != NULL) {
|
|
SortMuxIndexArray(indexArray, count);
|
|
}
|
|
}
|
|
|
|
#ifdef LOSCFG_SHELL
|
|
LITE_OS_SEC_TEXT_MINOR UINT32 OsShellCmdMuxInfoGet(UINT32 argc, const CHAR **argv)
|
|
{
|
|
if (argc > 0) {
|
|
PRINTK("\nUsage: mutex\n");
|
|
return OS_ERROR;
|
|
}
|
|
PRINTK("used mutexs information: \n");
|
|
OsMutexCheck();
|
|
return LOS_OK;
|
|
}
|
|
SHELLCMD_ENTRY(mutex_shellcmd, CMD_TYPE_EX, "mutex", 0, (CmdCallBackFunc)OsShellCmdMuxInfoGet);
|
|
#endif /* LOSCFG_SHELL */
|
|
#endif /* LOSCFG_DEBUG_MUTEX */
|
|
|
|
#ifdef __cplusplus
|
|
#if __cplusplus
|
|
}
|
|
#endif
|
|
#endif /* __cplusplus */
|