diff --git a/debug/los_mux_deadlock.c b/debug/los_mux_deadlock.c new file mode 100644 index 0000000..6862541 --- /dev/null +++ b/debug/los_mux_deadlock.c @@ -0,0 +1,257 @@ +/* ---------------------------------------------------------------------------- + * Copyright (c) Huawei Technologies Co., Ltd. 2013-2019. All rights reserved. + * Description: Mutex Deadlock Check + * 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 "arch/exception.h" +#ifdef LOSCFG_SHELL +#include "shcmd.h" +#endif /* LOSCFG_SHELL */ + +#ifdef __cplusplus +#if __cplusplus +extern "C" { +#endif +#endif /* __cplusplus */nbb + +typedef struct { + LOS_DL_LIST muxListHead; /* Task-held mutexs list */ //用于管理任务持有的互斥锁列表// + UINT64 lastAccessTime; /* The last operation time */ //记录最后一次操作的时间// +} MuxDLinkCB; + +/*管理任务持有的互斥锁列表和跟踪死锁情况*/ +typedef struct { + LOS_DL_LIST muxList; /* Insert mutex into the owner task CB */ //用于将互斥锁插入到所属任务的控制块中// + VOID *muxCB; /* The Mutex CB pointer */ //指向互斥锁控制块的指针// +} MuxDLinkNode; + +STATIC MuxDLinkCB *g_muxDeadlockCBArray = NULL; + +/* + * Mutex deadlock detection time threshold, will print out task information + * that has not been scheduled within this time. + * The unit is tick. + */ +#define OS_MUX_DEADLOCK_CHECK_THRESHOLD 60000 //定义两次检查互斥锁死锁之间的最小时间间隔，单位为毫秒// + +UINT32 OsMuxDlockCheckInit(VOID) //用于分配内存并初始化互斥锁控制块列表// +{ + UINT32 index; + UINT32 size = (LOSCFG_BASE_CORE_TSK_LIMIT + 1) * sizeof(MuxDLinkCB); + + /* system resident memory, don't free */ + g_muxDeadlockCBArray = (MuxDLinkCB *)LOS_MemAlloc(m_aucSysMem1, size); + if (g_muxDeadlockCBArray == NULL) { + PRINT_ERR("%s: malloc failed!\n", __FUNCTION__); + return LOS_NOK; + } + + for (index = 0; index < LOSCFG_BASE_CORE_TSK_LIMIT + 1; index++) { + g_muxDeadlockCBArray[index].lastAccessTime = 0; + LOS_ListInit(&g_muxDeadlockCBArray[index].muxListHead); + } + return LOS_OK; +} + +VOID OsMuxDlockNodeInsert(UINT32 taskId, VOID *muxCB) //用于向指定任务的互斥锁链表中插入一个互斥锁节点// +{ + MuxDLinkNode *muxDLNode = NULL; + + if ((taskId > LOSCFG_BASE_CORE_TSK_LIMIT) || (muxCB == NULL)) { + return; + } + + muxDLNode = (MuxDLinkNode *)LOS_MemAlloc(m_aucSysMem1, sizeof(MuxDLinkNode)); + if (muxDLNode == NULL) { + return; + } + (VOID)memset_s(muxDLNode, sizeof(MuxDLinkNode), 0, sizeof(MuxDLinkNode)); + muxDLNode->muxCB = muxCB; + + LOS_ListTailInsert(&g_muxDeadlockCBArray[taskId].muxListHead, &muxDLNode->muxList); +} + +VOID OsMuxDlockNodeDelete(UINT32 taskId, const VOID *muxCB) //用于从指定任务的互斥锁链表中删除指定的互斥锁节点// +{ + MuxDLinkCB *muxDLCB = NULL; + LOS_DL_LIST *list = NULL; + MuxDLinkNode *muxDLNode = NULL; + + if ((taskId > LOSCFG_BASE_CORE_TSK_LIMIT) || (muxCB == NULL)) { + return; + } + + muxDLCB = &g_muxDeadlockCBArray[taskId]; + LOS_DL_LIST_FOR_EACH(list, &muxDLCB->muxListHead) { + muxDLNode = LOS_DL_LIST_ENTRY(list, MuxDLinkNode, muxList); + if (muxDLNode->muxCB == muxCB) { + LOS_ListDelete(&muxDLNode->muxList); + (VOID)LOS_MemFree(m_aucSysMem1, muxDLNode); + return; + } + } +} + +VOID OsTaskTimeUpdate(UINT32 taskId, UINT64 tickCount) //用于更新任务的最后访问时间// +{ + if (taskId > LOSCFG_BASE_CORE_TSK_LIMIT) { + return; + } + + g_muxDeadlockCBArray[taskId].lastAccessTime = tickCount; +} + +STATIC VOID OsDeadlockBackTrace(const LosTaskCB *taskCB) //用于打印任务的函数调用栈信息// +{ + TaskContext *context = NULL; + + PRINTK("*******backtrace begin*******\n"); + context = (TaskContext *)taskCB->stackPointer; + ArchBackTraceWithSp(context); + PRINTK("********backtrace end********\n"); + return; +} + +STATIC VOID OsMutexPendTaskList(LOS_DL_LIST *list) //用于打印互斥锁等待任务的列表信息// +{ + LOS_DL_LIST *listTmp = NULL; + LosTaskCB *pendedTask = NULL; + CHAR *name = NULL; + UINT32 index = 0; + UINT32 id, intSave; + + SCHEDULER_LOCK(intSave); + if (LOS_ListEmpty(list) == TRUE) { + SCHEDULER_UNLOCK(intSave); + PRINTK("Pended Task: null\n"); + return; + } + + LOS_DL_LIST_FOR_EACH(listTmp, list) { + pendedTask = OS_TCB_FROM_PENDLIST(listTmp); + name = pendedTask->taskName; + id = pendedTask->taskId; + SCHEDULER_UNLOCK(intSave); + if (index == 0) { + PRINTK("Pended task: %u. name:%-15s, id:0x%-5x\n", index, name, id); + } else { + PRINTK(" %u. name:%-15s, id:0x%-5x\n", index, name, id); + } + index++; + SCHEDULER_LOCK(intSave); + } + SCHEDULER_UNLOCK(intSave); +} + +STATIC VOID OsTaskHoldMutexList(MuxDLinkCB *muxDLCB) //用于打印任务持有的互斥锁的信息// +{ + UINT32 index = 0; + MuxDLinkNode *muxDLNode = NULL; + CHAR *ownerName = NULL; + LosMuxCB *muxCB = NULL; + LOS_DL_LIST *list = NULL; + LOS_DL_LIST *listTmp = NULL; + UINT32 count, intSave; + + SCHEDULER_LOCK(intSave); + if (LOS_ListEmpty(&muxDLCB->muxListHead) == TRUE) { + SCHEDULER_UNLOCK(intSave); + PRINTK("null\n"); + } else { + LOS_DL_LIST_FOR_EACH(list, &muxDLCB->muxListHead) { + muxDLNode = LOS_DL_LIST_ENTRY(list, MuxDLinkNode, muxList); + muxCB = (LosMuxCB *)muxDLNode->muxCB; + count = muxCB->muxCount; + ownerName = muxCB->owner->taskName; + SCHEDULER_UNLOCK(intSave); + PRINTK("\n", index); + PRINTK("Ptr handle:%p\n", muxCB); + PRINTK("Owner:%s\n", ownerName); + PRINTK("Count:%u\n", count); + + listTmp = &muxCB->muxList; + OsMutexPendTaskList(listTmp); + + index++; + SCHEDULER_LOCK(intSave); + } + SCHEDULER_UNLOCK(intSave); + } +} + +VOID OsMutexDlockCheck(VOID) //用于检测互斥锁死锁情况并输出相关信息// +{ + UINT32 loop, intSave; + UINT32 taskId; + CHAR *name = NULL; + LosTaskCB *taskCB = NULL; + MuxDLinkCB *muxDLCB = NULL; + + SCHEDULER_LOCK(intSave); + for (loop = 0; loop < g_taskMaxNum; loop++) { + taskCB = (LosTaskCB *)g_taskCBArray + loop; + if (taskCB->taskStatus & OS_TASK_STATUS_UNUSED) { + continue; + } + + muxDLCB = &g_muxDeadlockCBArray[taskCB->taskId]; + if ((LOS_TickCountGet() - muxDLCB->lastAccessTime) > OS_MUX_DEADLOCK_CHECK_THRESHOLD) { + name = taskCB->taskName; + taskId = taskCB->taskId; + SCHEDULER_UNLOCK(intSave); + PRINTK("Task_name:%s, ID:0x%x, holds the Mutexs below:\n", name, taskId); + OsTaskHoldMutexList(muxDLCB); + OsDeadlockBackTrace(taskCB); + PRINTK("\n"); + SCHEDULER_LOCK(intSave); + } + } + SCHEDULER_UNLOCK(intSave); +} + +#ifdef LOSCFG_SHELL //用于在命令行中执行互斥锁死锁检查并输出相关信息// +UINT32 OsShellCmdMuxDeadlockCheck(UINT32 argc, const CHAR **argv) +{ + if (argc > 0) { + PRINTK("\nUsage: dlock\n"); + return OS_ERROR; + } + PRINTK("Start mutexs deadlock check: \n"); + OsMutexDlockCheck(); + PRINTK("-----------End-----------\n"); + return LOS_OK; +} +SHELLCMD_ENTRY(deadlock_shellcmd, CMD_TYPE_EX, "dlock", 0, (CmdCallBackFunc)OsShellCmdMuxDeadlockCheck); +#endif /* LOSCFG_SHELL */ + +#ifdef __cplusplus +#if __cplusplus +} +#endif +#endif /* __cplusplus */ diff --git a/debug/los_mux_debug.c b/debug/los_mux_debug.c new file mode 100644 index 0000000..5008bc5 --- /dev/null +++ b/debug/los_mux_debug.c @@ -0,0 +1,189 @@ +/* ---------------------------------------------------------------------------- + * 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 //用于表示互斥锁的调试信息// +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; + +//用于比较两个互斥锁调试信息的最后访问时间// +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) //用于初始化互斥锁调试信息数组// +{ + 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) //用于更新指定互斥锁的最后访问时间// +{ + MuxDebugCB *muxDebug = &g_muxDebugArray[GET_MUX_INDEX(muxId)]; + muxDebug->lastAccessTime = LOS_TickCountGet(); +} + +VOID OsMuxDbgUpdate(UINT32 muxId, TSK_ENTRY_FUNC creator) //用于更新指定互斥锁的创建者和最后访问时间// +{ + MuxDebugCB *muxDebug = &g_muxDebugArray[GET_MUX_INDEX(muxId)]; + muxDebug->creator = creator; + muxDebug->lastAccessTime = LOS_TickCountGet(); +} + +//用于对互斥锁索引数组进行排序，并检查可能存在的互斥锁泄漏// +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) //用于检查互斥锁的状态并对可能存在的互斥锁泄漏进行处理// +{ + 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 +//用于获取互斥锁信息// +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 */ diff --git a/debug/los_queue_debug.c b/debug/los_queue_debug.c new file mode 100644 index 0000000..43ba6ad --- /dev/null +++ b/debug/los_queue_debug.c @@ -0,0 +1,206 @@ +/* ---------------------------------------------------------------------------- + * Copyright (c) Huawei Technologies Co., Ltd. 2013-2019. All rights reserved. + * Description: Queue 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_queue_debug_pri.h" +#include "los_misc_pri.h" +#ifdef LOSCFG_SHELL +#include "shcmd.h" +#endif /* LOSCFG_SHELL */ + +#ifdef __cplusplus +#if __cplusplus +extern "C" { +#endif +#endif /* __cplusplus */ + +#ifdef LOSCFG_DEBUG_QUEUE //用于保存队列的调试信息// +typedef struct { + TSK_ENTRY_FUNC creator; /* The task entry who created this queue */ + UINT64 lastAccessTime; /* The last access time */ +} QueueDebugCB; +STATIC QueueDebugCB *g_queueDebugArray = NULL; + +//用于比较队列中的元素值// +STATIC BOOL QueueCompareValue(const SortParam *sortParam, UINT32 left, UINT32 right) +{ + return (*((UINT64 *)(VOID *)SORT_ELEM_ADDR(sortParam, left)) > + *((UINT64 *)(VOID *)SORT_ELEM_ADDR(sortParam, right))); +} + +UINT32 OsQueueDbgInit(VOID) //用于初始化队列的调试信息// +{ + UINT32 size = LOSCFG_BASE_IPC_QUEUE_LIMIT * sizeof(QueueDebugCB); + + /* system resident memory, don't free */ + g_queueDebugArray = (QueueDebugCB *)LOS_MemAlloc(m_aucSysMem1, size); + if (g_queueDebugArray == NULL) { + PRINT_ERR("%s: malloc failed!\n", __FUNCTION__); + return LOS_NOK; + } + (VOID)memset_s(g_queueDebugArray, size, 0, size); + return LOS_OK; +} + +VOID OsQueueDbgTimeUpdate(UINT32 queueId) //用于更新队列的最后访问时间// +{ + QueueDebugCB *queueDebug = &g_queueDebugArray[GET_QUEUE_INDEX(queueId)]; + queueDebug->lastAccessTime = LOS_TickCountGet(); + return; +} + +VOID OsQueueDbgUpdate(UINT32 queueId, TSK_ENTRY_FUNC entry) //用于更新队列的调试信息// +{ + QueueDebugCB *queueDebug = &g_queueDebugArray[GET_QUEUE_INDEX(queueId)]; + queueDebug->creator = entry; + queueDebug->lastAccessTime = LOS_TickCountGet(); + return; +} + +STATIC INLINE VOID OsQueueInfoOutPut(const LosQueueCB *node) //用于输出队列的信息// +{ + PRINTK("Queue ID <0x%x> may leak, queue len is 0x%x, " + "readable cnt:0x%x, writeable cnt:0x%x, ", + node->queueId, + node->queueLen, + node->readWriteableCnt[OS_QUEUE_READ], + node->readWriteableCnt[OS_QUEUE_WRITE]); +} + +STATIC INLINE VOID OsQueueOpsOutput(const QueueDebugCB *node) //用于输出队列操作的信息// +{ + PRINTK("TaskEntry of creator:0x%p, Latest operation time: 0x%llx\n", + node->creator, node->lastAccessTime); +} + +STATIC VOID SortQueueIndexArray(UINT32 *indexArray, UINT32 count) //用于对队列索引数组进行排序并输出相应的队列信息// +{ + LosQueueCB queueNode = {0}; + QueueDebugCB queueDebugNode = {0}; + UINT32 index, intSave; + SortParam queueSortParam; + queueSortParam.buf = (CHAR *)g_queueDebugArray; + queueSortParam.ctrlBlockSize = sizeof(QueueDebugCB); + queueSortParam.ctrlBlockCnt = LOSCFG_BASE_IPC_QUEUE_LIMIT; + queueSortParam.sortElemOff = LOS_OFF_SET_OF(QueueDebugCB, lastAccessTime); + + if (count > 0) { + SCHEDULER_LOCK(intSave); + OsArraySort(indexArray, 0, count - 1, &queueSortParam, QueueCompareValue); + SCHEDULER_UNLOCK(intSave); + for (index = 0; index < count; index++) { + SCHEDULER_LOCK(intSave); + (VOID)memcpy_s(&queueNode, sizeof(LosQueueCB), + GET_QUEUE_HANDLE(indexArray[index]), sizeof(LosQueueCB)); + (VOID)memcpy_s(&queueDebugNode, sizeof(QueueDebugCB), + &g_queueDebugArray[indexArray[index]], sizeof(QueueDebugCB)); + SCHEDULER_UNLOCK(intSave); + if (queueNode.queueState == LOS_UNUSED) { + continue; + } + OsQueueInfoOutPut(&queueNode); + OsQueueOpsOutput(&queueDebugNode); + } + } + (VOID)LOS_MemFree((VOID *)OS_SYS_MEM_ADDR, indexArray); +} + +VOID OsQueueCheck(VOID) //用于检查队列的状态并输出相应信息// +{ + LosQueueCB queueNode = {0}; + QueueDebugCB queueDebugNode = {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_QUEUE_LIMIT * sizeof(UINT32)); + + for (index = 0; index < LOSCFG_BASE_IPC_QUEUE_LIMIT; index++) { + SCHEDULER_LOCK(intSave); + (VOID)memcpy_s(&queueNode, sizeof(LosQueueCB), + GET_QUEUE_HANDLE(index), sizeof(LosQueueCB)); + (VOID)memcpy_s(&queueDebugNode, sizeof(QueueDebugCB), + &g_queueDebugArray[index], sizeof(QueueDebugCB)); + SCHEDULER_UNLOCK(intSave); + if ((queueNode.queueState == LOS_UNUSED) || + ((queueNode.queueState == LOS_USED) && (queueDebugNode.creator == NULL))) { + continue; + } + if ((queueNode.queueState == LOS_USED) && + (queueNode.queueLen == queueNode.readWriteableCnt[OS_QUEUE_WRITE]) && + LOS_ListEmpty(&queueNode.readWriteList[OS_QUEUE_READ]) && + LOS_ListEmpty(&queueNode.readWriteList[OS_QUEUE_WRITE]) && + LOS_ListEmpty(&queueNode.memList)) { + PRINTK("Queue ID <0x%x> may leak, No task uses it, " + "QueueLen is 0x%x, ", + queueNode.queueId, + queueNode.queueLen); + OsQueueOpsOutput(&queueDebugNode); + } else { + if (indexArray != NULL) { + *(indexArray + count) = index; + count++; + } else { + OsQueueInfoOutPut(&queueNode); + OsQueueOpsOutput(&queueDebugNode); + } + } + } + + if (indexArray != NULL) { + SortQueueIndexArray(indexArray, count); + } + + return; +} + +#ifdef LOSCFG_SHELL +//当用户输入 "queue" 命令时，会输出已使用队列的信息// +LITE_OS_SEC_TEXT_MINOR UINT32 OsShellCmdQueueInfoGet(UINT32 argc, const CHAR **argv) +{ + if (argc > 0) { + PRINTK("\nUsage: queue\n"); + return OS_ERROR; + } + PRINTK("used queues information: \n"); + OsQueueCheck(); + return LOS_OK; +} + +SHELLCMD_ENTRY(queue_shellcmd, CMD_TYPE_EX, "queue", 0, (CmdCallBackFunc)OsShellCmdQueueInfoGet); +#endif /* LOSCFG_SHELL */ +#endif /* LOSCFG_DEBUG_QUEUE */ + +#ifdef __cplusplus +#if __cplusplus +} +#endif +#endif /* __cplusplus */ diff --git a/debug/los_sched_debug.c b/debug/los_sched_debug.c new file mode 100644 index 0000000..ec4a78b --- /dev/null +++ b/debug/los_sched_debug.c @@ -0,0 +1,347 @@ +/* ---------------------------------------------------------------------------- + * Copyright (c) Huawei Technologies Co., Ltd. 2018-2019. All rights reserved. + * Description: Schedule Statistics + * Author: Huawei LiteOS Team + * Create: 2018-11-16 + * 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_task_pri.h" + +#ifdef __cplusplus +#if __cplusplus +extern "C" { +#endif /* __cplusplus */ +#endif /* __cplusplus */ + +#ifdef LOSCFG_DEBUG_SCHED_STATISTICS +#define HIGHTASKPRI 16 +#define NS_PER_MS 1000000 +#define DECIMAL_TO_PERCENTAGE 100 + +typedef struct { + UINT64 idleRuntime; //空闲任务的运行时间// + UINT64 idleStarttime; //空闲任务的启动时间// + UINT64 highTaskRuntime; //高优先级任务的运行时间// + UINT64 highTaskStarttime; //高优先级任务的启动时间// + UINT64 sumPriority; //任务优先级之和// + UINT32 prioritySwitch; //任务切换次数// + UINT32 highTaskSwitch; //高优先级任务切换次数// + UINT32 contexSwitch; //上下文切换次数// + UINT32 hwiNum; //硬件中断次数// +#ifdef LOSCFG_KERNEL_SMP + UINT32 ipiIrqNum; //中断次数（仅在多核配置下定义）// +#endif +} StatPercpu; + +STATIC BOOL g_statisticsStartFlag = FALSE; +STATIC UINT64 g_statisticsStartTime; +STATIC StatPercpu g_statPercpu[LOSCFG_KERNEL_CORE_NUM]; + +//用于在每个 CPU 核心上进行调度统计// +STATIC VOID OsSchedStatisticsPerCpu(const LosTaskCB *runTask, const LosTaskCB *newTask) +{ + UINT32 cpuId; + UINT32 idleTaskId; + UINT64 now, runtime; + + if (g_statisticsStartFlag != TRUE) { + return; + } + + cpuId = ArchCurrCpuid(); + idleTaskId = OsGetIdleTaskId(); + now = LOS_CurrNanosec(); + + g_statPercpu[cpuId].contexSwitch++; + + if ((runTask->taskId != idleTaskId) && (newTask->taskId == idleTaskId)) { + g_statPercpu[cpuId].idleStarttime = now; + } + + if ((runTask->taskId == idleTaskId) && (newTask->taskId != idleTaskId)) { + runtime = now - g_statPercpu[cpuId].idleStarttime; + g_statPercpu[cpuId].idleRuntime += runtime; + g_statPercpu[cpuId].idleStarttime = 0; + } + + if ((runTask->priority >= HIGHTASKPRI) && (newTask->priority < HIGHTASKPRI)) { + g_statPercpu[cpuId].highTaskStarttime = now; + } + + if ((runTask->priority < HIGHTASKPRI) && (newTask->priority >= HIGHTASKPRI)) { + runtime = now - g_statPercpu[cpuId].highTaskStarttime; + g_statPercpu[cpuId].highTaskRuntime += runtime; + g_statPercpu[cpuId].highTaskStarttime = 0; + } + + if (newTask->priority < HIGHTASKPRI) { + g_statPercpu[cpuId].highTaskSwitch++; + } + + if (newTask->taskId != idleTaskId) { + g_statPercpu[cpuId].sumPriority += newTask->priority; + g_statPercpu[cpuId].prioritySwitch++; + } + + return; +} + +//用于更新调度统计信息// +LITE_OS_SEC_TEXT_MINOR VOID OsSchedStatistics(LosTaskCB *runTask, LosTaskCB *newTask) +{ + UINT64 runtime; + UINT32 cpuId = ArchCurrCpuid(); + UINT64 now = LOS_CurrNanosec(); + + SchedStat *schedRun = &runTask->schedStat; + SchedStat *schedNew = &newTask->schedStat; + SchedPercpu *cpuRun = &schedRun->schedPercpu[cpuId]; + SchedPercpu *cpuNew = &schedNew->schedPercpu[cpuId]; + + /* calculate one chance of running time */ + runtime = now - schedRun->startRuntime; + + /* add running timer to running task statistics */ + cpuRun->runtime += runtime; + schedRun->allRuntime += runtime; + + /* add context switch counters and schedule start time */ + cpuNew->contexSwitch++; + schedNew->allContextSwitch++; + schedNew->startRuntime = now; + OsSchedStatisticsPerCpu(runTask, newTask); +} + +LITE_OS_SEC_TEXT_MINOR VOID OsHwiStatistics(size_t intNum) //用于更新硬中断的统计信息// +{ + UINT32 cpuId = ArchCurrCpuid(); + + if ((g_statisticsStartFlag != TRUE) || (intNum == OS_TICK_INT_NUM)) { + return; + } + + g_statPercpu[cpuId].hwiNum++; +#ifdef LOSCFG_KERNEL_SMP + /* 16: 0~15 is ipi interrupts */ + if (intNum < 16) { + g_statPercpu[cpuId].ipiIrqNum++; + } +#endif + return; +} + +LITE_OS_SEC_TEXT_MINOR VOID OsShellCmdDumpSched(VOID) //用于打印任务的调度统计信息// +{ + LosTaskCB *taskCB = NULL; + UINT32 loop; + UINT32 cpuId; +#ifdef LOSCFG_KERNEL_SMP + UINT32 affinity; +#endif + + PRINTK("\n"); + PRINTK("Task TID Total Time Total CST " + "CPU Time CST\n"); + PRINTK("---- --- ------------------ ---------- -" + "--- ------------------ ----------\n"); + + for (loop = 0; loop < g_taskMaxNum; loop++) { + taskCB = (((LosTaskCB *)g_taskCBArray) + loop); + if (taskCB->taskStatus & OS_TASK_STATUS_UNUSED) { + continue; + } +#ifdef LOSCFG_KERNEL_SMP + affinity = (UINT32)taskCB->cpuAffiMask; +#endif + PRINTK("%-30s0x%-6x%+16lf ms %10u\n", taskCB->taskName, taskCB->taskId, + (DOUBLE)(taskCB->schedStat.allRuntime) / NS_PER_MS, + taskCB->schedStat.allContextSwitch); + + for (cpuId = 0; cpuId < LOSCFG_KERNEL_CORE_NUM; cpuId++) { +#ifdef LOSCFG_KERNEL_SMP + if (!((1U << cpuId) & affinity)) { + continue; + } +#endif + PRINTK(" " + "CPU%u %+16lf ms %12u\n", cpuId, + (DOUBLE)(taskCB->schedStat.schedPercpu[cpuId].runtime) / NS_PER_MS, + taskCB->schedStat.schedPercpu[cpuId].contexSwitch); + } + } + + PRINTK("\n"); +} + +LITE_OS_SEC_TEXT_MINOR VOID OsStatisticsShow(UINT64 statisticsPastTime) //用于显示系统的统计信息// +{ + UINT32 cpuId; + PRINTK("\n"); + PRINTK("Passed Time: %+16lf ms\n", ((DOUBLE)statisticsPastTime / NS_PER_MS)); + PRINTK("--------------------------------\n"); + PRINTK("CPU Idle(%%) ContexSwitch HwiNum " + "Avg Pri HiTask(%%) HiTask SwiNum HiTask P(ms)" +#ifdef LOSCFG_KERNEL_SMP + " MP Hwi\n"); +#else + "\n"); +#endif + PRINTK("---- --------- ----------- -------- --------- " + "---------- ------------ ----------" +#ifdef LOSCFG_KERNEL_SMP + " ------\n"); +#else + "\n"); +#endif + + for (cpuId = 0; cpuId < LOSCFG_KERNEL_CORE_NUM; cpuId++) { +#ifdef LOSCFG_KERNEL_SMP + PRINTK("CPU%u %+10lf%14u%14u %+11lf %+11lf%14u %+11lf %11u\n", cpuId, +#else + PRINTK("CPU%u %+10lf%14u%14u %+11lf %+11lf%14u %+11lf\n", cpuId, +#endif + ((DOUBLE)(g_statPercpu[cpuId].idleRuntime) / statisticsPastTime) * DECIMAL_TO_PERCENTAGE, + g_statPercpu[cpuId].contexSwitch, + g_statPercpu[cpuId].hwiNum, + (g_statPercpu[cpuId].prioritySwitch == 0) ? OS_TASK_PRIORITY_LOWEST : + ((DOUBLE)(g_statPercpu[cpuId].sumPriority) / (g_statPercpu[cpuId].prioritySwitch)), + ((DOUBLE)(g_statPercpu[cpuId].highTaskRuntime) / statisticsPastTime) * DECIMAL_TO_PERCENTAGE, + g_statPercpu[cpuId].highTaskSwitch, + (g_statPercpu[cpuId].highTaskSwitch == 0) ? 0 : + ((DOUBLE)(g_statPercpu[cpuId].highTaskRuntime) / (g_statPercpu[cpuId].highTaskSwitch)) / NS_PER_MS +#ifdef LOSCFG_KERNEL_SMP + , g_statPercpu[cpuId].ipiIrqNum); +#else + ); +#endif + } + + PRINTK("\n"); +} + +LITE_OS_SEC_TEXT_MINOR VOID OsShellStatisticsStart(VOID) //用于在多核系统中启动统计功能// +{ + LosTaskCB *taskCB = NULL; + UINT32 loop; + UINT32 cpuId = 0; + UINT32 intSave; + + SCHEDULER_LOCK(intSave); + + if (g_statisticsStartFlag) { + SCHEDULER_UNLOCK(intSave); + PRINT_WARN("mp static has started\n"); + return; + } + + g_statisticsStartTime = LOS_CurrNanosec(); + + for (loop = 0; loop < g_taskMaxNum; loop++) { + taskCB = (((LosTaskCB *)g_taskCBArray) + loop); + if (taskCB->taskStatus & OS_TASK_STATUS_RUNNING) { +#ifdef LOSCFG_KERNEL_SMP + cpuId = taskCB->currCpu; +#endif + if ((UINT32)(OS_TASK_INVALID_CPUID) == cpuId) { + continue; + } + if (!strcmp(taskCB->taskName, "IdleCore000")) { + g_statPercpu[cpuId].idleStarttime = g_statisticsStartTime; + } + if (taskCB->priority < HIGHTASKPRI) { + g_statPercpu[cpuId].highTaskStarttime = g_statisticsStartTime; + g_statPercpu[cpuId].highTaskSwitch++; + } + if (strcmp(taskCB->taskName, "IdleCore000")) { + g_statPercpu[cpuId].sumPriority += taskCB->priority; + g_statPercpu[cpuId].prioritySwitch++; + } + } + } + g_statisticsStartFlag = TRUE; + SCHEDULER_UNLOCK(intSave); + + PRINTK("mp static start\n"); + + return; +} + +//用于在多核系统中停止统计功能，并进行统计数据的处理和展示// +LITE_OS_SEC_TEXT_MINOR VOID OsShellStatisticsStop(VOID) +{ + LosTaskCB *taskCB = NULL; + UINT32 loop; + UINT32 cpuId = 0; + UINT64 statisticsStopTime; + UINT64 statisticsPastTime; + UINT64 runtime; + UINT32 intSave; + + SCHEDULER_LOCK(intSave); + + if (g_statisticsStartFlag != TRUE) { + SCHEDULER_UNLOCK(intSave); + PRINT_WARN("Please set mp static start\n"); + return; + } + + g_statisticsStartFlag = FALSE; + statisticsStopTime = LOS_CurrNanosec(); + statisticsPastTime = statisticsStopTime - g_statisticsStartTime; + + for (loop = 0; loop < g_taskMaxNum; loop++) { + taskCB = (((LosTaskCB *)g_taskCBArray) + loop); + if (taskCB->taskStatus & OS_TASK_STATUS_RUNNING) { +#ifdef LOSCFG_KERNEL_SMP + cpuId = taskCB->currCpu; +#endif + if (cpuId == (UINT32)(OS_TASK_INVALID_CPUID)) { + continue; + } + if (!strcmp(taskCB->taskName, "IdleCore000")) { + runtime = statisticsStopTime - g_statPercpu[cpuId].idleStarttime; + g_statPercpu[cpuId].idleRuntime += runtime; + g_statPercpu[cpuId].idleStarttime = 0; + } + if (taskCB->priority < HIGHTASKPRI) { + runtime = statisticsStopTime - g_statPercpu[cpuId].highTaskStarttime; + g_statPercpu[cpuId].highTaskRuntime += runtime; + g_statPercpu[cpuId].highTaskStarttime = 0; + } + } + } + SCHEDULER_UNLOCK(intSave); + OsStatisticsShow(statisticsPastTime); + + (VOID)memset_s(g_statPercpu, sizeof(g_statPercpu), 0, sizeof(g_statPercpu)); + g_statisticsStartTime = 0; + return; +} +#endif + +#ifdef __cplusplus +#if __cplusplus +} +#endif /* __cplusplus */ +#endif /* __cplusplus */ diff --git a/debug/los_sem_debug.c b/debug/los_sem_debug.c new file mode 100644 index 0000000..8f1774b --- /dev/null +++ b/debug/los_sem_debug.c @@ -0,0 +1,299 @@ +/* ---------------------------------------------------------------------------- + * Copyright (c) Huawei Technologies Co., Ltd. 2013-2019. All rights reserved. + * Description: Sem 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_sem_debug_pri.h" +#include "stdlib.h" +#include "los_typedef.h" +#include "los_task_pri.h" +#include "los_misc_pri.h" +#ifdef LOSCFG_SHELL +#include "shcmd.h" +#endif /* LOSCFG_SHELL */ + +#ifdef __cplusplus +#if __cplusplus +extern "C" { +#endif +#endif /* __cplusplus */ + +#ifdef LOSCFG_DEBUG_SEMAPHORE +#define OS_ALL_SEM_MASK 0xffffffff + +STATIC VOID OsSemPendedTaskNamePrint(LosSemCB *semNode) //用于打印等待某个信号量的任务列表// +{ + LosTaskCB *tskCB = NULL; + CHAR *nameArr[LOSCFG_BASE_CORE_TSK_LIMIT] = {0}; + UINT32 i, intSave; + UINT32 num = 0; + + SCHEDULER_LOCK(intSave); + if ((semNode->semStat == LOS_UNUSED) || (LOS_ListEmpty(&semNode->semList))) { + SCHEDULER_UNLOCK(intSave); + return; + } + + LOS_DL_LIST_FOR_EACH_ENTRY(tskCB, &semNode->semList, LosTaskCB, pendList) { + nameArr[num++] = tskCB->taskName; + if (num == LOSCFG_BASE_CORE_TSK_LIMIT) { + break; + } + } + SCHEDULER_UNLOCK(intSave); + + PRINTK("Pended task list : "); + for (i = 0; i < num; i++) { + if (i == 0) { + PRINTK("%s\n", nameArr[i]); + } else { + PRINTK(", %s", nameArr[i]); + } + } + PRINTK("\n"); +} + +typedef struct { //用于记录信号量的调试信息// + UINT16 origSemCount; /* Number of original available semaphores */ + UINT64 lastAccessTime; /* The last operation time */ + TSK_ENTRY_FUNC creator; /* The task entry who created this sem */ +} SemDebugCB; +STATIC SemDebugCB *g_semDebugArray = NULL; //用于存储所有信号量的调试信息// + +//用于比较两个排序元素的值// +STATIC BOOL SemCompareValue(const SortParam *sortParam, UINT32 left, UINT32 right) +{ + return (*((UINT64 *)(VOID *)SORT_ELEM_ADDR(sortParam, left)) > + *((UINT64 *)(VOID *)SORT_ELEM_ADDR(sortParam, right))); +} + +UINT32 OsSemDbgInit(VOID) //用于初始化信号量的调试信息数组// +{ + UINT32 size = LOSCFG_BASE_IPC_SEM_LIMIT * sizeof(SemDebugCB); + /* system resident memory, don't free */ + g_semDebugArray = (SemDebugCB *)LOS_MemAlloc(m_aucSysMem1, size); + if (g_semDebugArray == NULL) { + PRINT_ERR("%s: malloc failed!\n", __FUNCTION__); + return LOS_NOK; + } + (VOID)memset_s(g_semDebugArray, size, 0, size); + return LOS_OK; +} + +VOID OsSemDbgTimeUpdate(UINT32 semId) //用于更新指定信号量的最后一次访问时间// +{ + SemDebugCB *semDebug = &g_semDebugArray[GET_SEM_INDEX(semId)]; + semDebug->lastAccessTime = LOS_TickCountGet(); + return; +} + +VOID OsSemDbgUpdate(UINT32 semId, TSK_ENTRY_FUNC creator, UINT16 count) //用于更新指定信号量的调试信息// +{ + SemDebugCB *semDebug = &g_semDebugArray[GET_SEM_INDEX(semId)]; + semDebug->creator = creator; + semDebug->lastAccessTime = LOS_TickCountGet(); + semDebug->origSemCount = count; + return; +} + +/*用于按照信号量的最后访问时间对当前正在使用的信号量进行排序，*/ +/*并打印每个信号量的调试信息和等待该信号量的任务名*/ +STATIC VOID OsSemSort(UINT32 *semIndexArray, UINT32 usedCount) +{ + UINT32 i, intSave; + LosSemCB *semCB = NULL; + LosSemCB semNode = {0}; + SemDebugCB semDebug = {0}; + SortParam semSortParam; + semSortParam.buf = (CHAR *)g_semDebugArray; + semSortParam.ctrlBlockSize = sizeof(SemDebugCB); + semSortParam.ctrlBlockCnt = LOSCFG_BASE_IPC_SEM_LIMIT; + semSortParam.sortElemOff = LOS_OFF_SET_OF(SemDebugCB, lastAccessTime); + + /* It will Print out ALL the Used Semaphore List. */ + PRINTK("Used Semaphore List: \n"); + PRINTK("\r\n SemID Count OriginalCount Creater(TaskEntry) LastAccessTime\n"); + PRINTK(" ------ ------ ------------- ------------------ -------------- \n"); + + SCHEDULER_LOCK(intSave); + OsArraySort(semIndexArray, 0, usedCount - 1, &semSortParam, SemCompareValue); + SCHEDULER_UNLOCK(intSave); + for (i = 0; i < usedCount; i++) { + semCB = GET_SEM(semIndexArray[i]); + SCHEDULER_LOCK(intSave); + (VOID)memcpy_s(&semNode, sizeof(LosSemCB), semCB, sizeof(LosSemCB)); + (VOID)memcpy_s(&semDebug, sizeof(SemDebugCB), &g_semDebugArray[semIndexArray[i]], sizeof(SemDebugCB)); + SCHEDULER_UNLOCK(intSave); + if ((semNode.semStat != LOS_USED) || (semDebug.creator == NULL)) { + continue; + } + PRINTK(" 0x%-07x0x%-07u0x%-14u%-22p0x%llx\n", semNode.semId, semDebug.origSemCount, + semNode.semCount, semDebug.creator, semDebug.lastAccessTime); + if (!LOS_ListEmpty(&semNode.semList)) { + OsSemPendedTaskNamePrint(semCB); + } + } +} +/*用于获取当前正在使用的信号量信息，并按照信号量的最后访问时间对信号量进行排序*/ +UINT32 OsSemInfoGetFullData(VOID) +{ + UINT32 usedSemCnt = 0; + LosSemCB *semNode = NULL; + SemDebugCB *semDebug = NULL; + UINT32 i; + UINT32 *semIndexArray = NULL; + UINT32 count, intSave; + + SCHEDULER_LOCK(intSave); + /* Get the used semaphore count. */ + for (i = 0; i < LOSCFG_BASE_IPC_SEM_LIMIT; i++) { + semNode = GET_SEM(i); + semDebug = &g_semDebugArray[i]; + if ((semNode->semStat == LOS_USED) && (semDebug->creator != NULL)) { + usedSemCnt++; + } + } + SCHEDULER_UNLOCK(intSave); + + if (usedSemCnt > 0) { + semIndexArray = (UINT32 *)LOS_MemAlloc((VOID *)OS_SYS_MEM_ADDR, usedSemCnt * sizeof(UINT32)); + if (semIndexArray == NULL) { + PRINTK("LOS_MemAlloc failed in %s \n", __func__); + return LOS_NOK; + } + + /* Fill the semIndexArray with the real index. */ + count = 0; + + SCHEDULER_LOCK(intSave); + for (i = 0; i < LOSCFG_BASE_IPC_SEM_LIMIT; i++) { + semNode = GET_SEM(i); + semDebug = &g_semDebugArray[i]; + if ((semNode->semStat != LOS_USED) || (semDebug->creator == NULL)) { + continue; + } + *(semIndexArray + count) = i; + count++; + /* if the count is touched usedSemCnt break. */ + if (count >= usedSemCnt) { + break; + } + } + SCHEDULER_UNLOCK(intSave); + OsSemSort(semIndexArray, count); + + /* free the index array. */ + (VOID)LOS_MemFree((VOID *)OS_SYS_MEM_ADDR, semIndexArray); + } + return LOS_OK; +} + +#ifdef LOSCFG_SHELL +STATIC UINT32 OsSemInfoOutput(size_t semId) //用于输出信号量信息// +{ + UINT32 loop, semCnt, intSave; + LosSemCB *semCB = NULL; + LosSemCB semNode = {0}; + + if (semId == OS_ALL_SEM_MASK) { + for (loop = 0, semCnt = 0; loop < LOSCFG_BASE_IPC_SEM_LIMIT; loop++) { + semCB = GET_SEM(loop); + SCHEDULER_LOCK(intSave); + if (semCB->semStat == LOS_USED) { + (VOID)memcpy_s(&semNode, sizeof(LosSemCB), semCB, sizeof(LosSemCB)); + SCHEDULER_UNLOCK(intSave); + semCnt++; + PRINTK("\r\n SemID Count\n ---------- -----\n"); + PRINTK(" 0x%08x %u\n", semNode.semId, semNode.semCount); + continue; + } + SCHEDULER_UNLOCK(intSave); + } + PRINTK(" SemUsingNum : %u\n\n", semCnt); + return LOS_OK; + } else { + semCB = GET_SEM(semId); + SCHEDULER_LOCK(intSave); + (VOID)memcpy_s(&semNode, sizeof(LosSemCB), semCB, sizeof(LosSemCB)); + SCHEDULER_UNLOCK(intSave); + if ((semNode.semId != semId) || (semNode.semStat != LOS_USED)) { + PRINTK("\nThe semaphore is not in use!\n"); + return LOS_OK; + } + + PRINTK("\r\n SemID Count\n ---------- -----\n"); + PRINTK(" 0x%08x 0x%u\n", semNode.semId, semNode.semCount); + + if (LOS_ListEmpty(&semNode.semList)) { + PRINTK("No task is pended on this semaphore!\n"); + return LOS_OK; + } else { + OsSemPendedTaskNamePrint(semCB); + } + } + return LOS_OK; +} + +//用于获取信号量信息// +LITE_OS_SEC_TEXT_MINOR UINT32 OsShellCmdSemInfoGet(UINT32 argc, const CHAR **argv) +{ + size_t semId; + CHAR *endPtr = NULL; + UINT32 ret; + + if (argc > 1) { + PRINTK("\nUsage: sem [fulldata|ID]\n"); + return OS_ERROR; + } + + if (argc == 0) { + semId = OS_ALL_SEM_MASK; + } else { + if (strcmp(argv[0], "fulldata") == 0) { + ret = OsSemInfoGetFullData(); + return ret; + } + + semId = strtoul(argv[0], &endPtr, 0); + if ((*endPtr != 0) || (GET_SEM_INDEX(semId) >= LOSCFG_BASE_IPC_SEM_LIMIT)) { + PRINTK("\nsem ID can't access %s.\n", argv[0]); + return OS_ERROR; + } + } + + ret = OsSemInfoOutput(semId); + return ret; +} + +SHELLCMD_ENTRY(sem_shellcmd, CMD_TYPE_EX, "sem", 1, (CmdCallBackFunc)OsShellCmdSemInfoGet); +#endif /* LOSCFG_SHELL */ +#endif /* LOSCFG_DEBUG_SEMAPHORE */ + +#ifdef __cplusplus +#if __cplusplus +} +#endif +#endif /* __cplusplus */ diff --git a/kkk.zip b/kkk.zip deleted file mode 100644 index b5323c3..0000000 Binary files a/kkk.zip and /dev/null differ