fix: M核添加维测接口
【背景】M核添加维测接口 【修改方案】 1, 添加任务栈dump接口 2, 添加中断dump接口 3, 添加任务调度流程dump 【影响】 对现有的产品编译不会有影响。 re #I55DJV Signed-off-by: wangchen <wangchen64@huawei.com>
This commit is contained in:
wangchen
parent
3f41c36926
commit
efebc00f87
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@ -33,6 +33,7 @@ module_name = get_path_info(rebase_path("."), "name")
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kernel_module(module_name) {
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sources = [
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"los_hwidump.c",
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"los_schedtrace.c",
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"los_stackdump.c",
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]
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configs += [ "$LITEOSTOPDIR:warn_config" ]
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@ -40,17 +40,46 @@ extern "C" {
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#endif /* __cplusplus */
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#endif /* __cplusplus */
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/* StackDump print format */
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#define PRINT_PER_ROW 4
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/* Shell Callback */
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/* SchedTrace records number */
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#define TRACE_NUM 200
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/* sched trace info, users can add their own */
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typedef struct {
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UINT32 newTaskID;
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CHAR newTaskName[LOS_TASK_NAMELEN];
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UINT32 runTaskID;
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CHAR runTaskName[LOS_TASK_NAMELEN];
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} SchedTraceInfo;
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/* SchedTrace record callback */
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typedef void (*SchedTraceRecordCB)(LosTaskCB *newTask, LosTaskCB *runTask);
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/* SchedTrace show callback, buf is overwrite ringbuf, max amount of storage is TRACE_NUM */
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typedef void (*SchedTraceShowCB)(SchedTraceInfo *ringBuf, UINT32 count);
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/* Shell callback */
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extern UINT32 OsShellCmdStackDump(INT32 argc, const CHAR **argv);
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extern UINT32 OsShellCmdHwiDump(INT32 argc, const CHAR **argv);
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extern UINT32 OsShellCmdSchedTrace(INT32 argc, const CHAR **argv);
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/* other module Callback */
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/* Other module callback */
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extern VOID OsSchedTraceRecord(LosTaskCB *newTask, LosTaskCB *runTask);
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/* External Interface */
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/* External interface */
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/* dump stack by task id, can be called at any time */
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extern VOID LOS_TaskStackDump(UINT32 taskID);
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/* register sched trace handle, If not registered, the default fun will be used */
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extern VOID LOS_SchedTraceHandleRegister(SchedTraceRecordCB recordCB, SchedTraceShowCB showCB);
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/* start sched trace, will alloc buf, and start write to buf when sched */
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extern VOID LOS_SchedTraceStart(VOID);
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/* stop sched trace, will stop record and free buf */
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extern VOID LOS_SchedTraceStop(VOID);
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#ifdef __cplusplus
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#if __cplusplus
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}
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@ -0,0 +1,162 @@
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/*
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* Copyright (c) 2022-2022 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 "los_debugtools.h"
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#include "securec.h"
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#include "los_debug.h"
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#include "los_memory.h"
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#include "los_arch.h"
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#if (LOSCFG_DEBUG_TOOLS == 1)
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STATIC BOOL g_startTrace = FALSE;
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STATIC SchedTraceInfo *g_traceRingBuf = NULL;
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STATIC UINT32 g_schedCount = 0;
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STATIC SchedTraceRecordCB g_recordCB = NULL;
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STATIC SchedTraceShowCB g_showCB = NULL;
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STATIC VOID DefaultShowFormat(SchedTraceInfo *buf, UINT32 count)
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{
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INT32 i;
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UINT32 cycle = count / TRACE_NUM;
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UINT32 point = count % TRACE_NUM;
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PRINTK ("sched %u time, last %u is:\r\n", count, TRACE_NUM);
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PRINTK("RunTaskID RunTaskName NewTaskID NewTaskName \r\n");
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if (cycle > 0) {
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for (i = point; i < TRACE_NUM; i++) {
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PRINTK("%4u %20s, %4u %20s\n",
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g_traceRingBuf[i].runTaskID, g_traceRingBuf[i].runTaskName,
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g_traceRingBuf[i].newTaskID, g_traceRingBuf[i].newTaskName);
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}
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}
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for (i = 0; i < point; i++) {
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PRINTK("%4u %20s, %4u %20s\n",
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g_traceRingBuf[i].runTaskID, g_traceRingBuf[i].runTaskName,
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g_traceRingBuf[i].newTaskID, g_traceRingBuf[i].newTaskName);
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}
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PRINTK("\r\n");
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}
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STATIC VOID DefaultRecordHandle(LosTaskCB *newTask, LosTaskCB *runTask)
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{
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UINT32 point = g_schedCount % TRACE_NUM;
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g_traceRingBuf[point].newTaskID = newTask->taskID;
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(VOID)memcpy_s(g_traceRingBuf[point].newTaskName, LOS_TASK_NAMELEN, newTask->taskName, LOS_TASK_NAMELEN);
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g_traceRingBuf[point].runTaskID = runTask->taskID;
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(VOID)memcpy_s(g_traceRingBuf[point].runTaskName, LOS_TASK_NAMELEN, runTask->taskName, LOS_TASK_NAMELEN);
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g_schedCount++;
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}
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STATIC VOID ShowFormat(SchedTraceInfo *buf, UINT32 count)
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{
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if (count == 0) {
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PRINT_ERR("none shed happend\n");
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return;
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}
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if (g_showCB != NULL) {
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g_showCB(buf, count);
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}
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}
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VOID OsSchedTraceRecord(LosTaskCB *newTask, LosTaskCB *runTask)
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{
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if (g_startTrace == FALSE) {
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return;
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}
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if (g_recordCB != NULL) {
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g_recordCB(newTask, runTask);
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}
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}
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VOID LOS_SchedTraceStart(VOID)
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{
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if (g_recordCB == NULL) {
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g_recordCB = DefaultRecordHandle;
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}
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g_traceRingBuf = (SchedTraceInfo *)LOS_MemAlloc(OS_SYS_MEM_ADDR, TRACE_NUM * sizeof(SchedTraceInfo));
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if (g_traceRingBuf == NULL) {
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PRINT_ERR("alloc failed for dump\n");
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return;
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}
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(VOID)memset_s(g_traceRingBuf, TRACE_NUM * sizeof(SchedTraceInfo), 0, TRACE_NUM * sizeof(SchedTraceInfo));
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g_startTrace = TRUE;
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}
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VOID LOS_SchedTraceStop(VOID)
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{
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if (g_showCB == NULL) {
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g_showCB = DefaultShowFormat;
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}
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g_startTrace = FALSE;
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ShowFormat(g_traceRingBuf, g_schedCount);
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g_schedCount = 0;
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(VOID)LOS_MemFree(OS_SYS_MEM_ADDR, g_traceRingBuf);
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g_traceRingBuf = NULL;
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return;
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}
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VOID LOS_SchedTraceHandleRegister(SchedTraceRecordCB recordCB, SchedTraceShowCB showCB)
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{
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g_recordCB = recordCB;
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g_showCB = showCB;
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}
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UINT32 OsShellCmdSchedTrace(INT32 argc, const CHAR **argv)
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{
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if (argc != 1) {
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PRINT_ERR("\nUsage: st -h\n");
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return LOS_NOK;
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}
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if (strcmp(argv[0], "-s") == 0) {
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LOS_SchedTraceStart();
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} else if (strcmp(argv[0], "-e") == 0) {
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LOS_SchedTraceStop();
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} else if (strcmp(argv[0], "-h") == 0) {
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PRINTK("\nUsage: \nst -s , SchedTrace start\n");
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PRINTK("st -e , SchedTrace end and show\n");
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} else {
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PRINTK("\nUsage: st -h\n");
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return OS_ERROR;
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}
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return LOS_OK;
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}
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#endif /* LOSCFG_STACK_DUMP == 1 */
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@ -69,6 +69,7 @@ CmdItem g_shellcmdAll[] = {
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#if (LOSCFG_DEBUG_TOOLS == 1)
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{CMD_TYPE_EX, "stack", 1, (CmdCallBackFunc)OsShellCmdStackDump},
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{CMD_TYPE_EX, "hwi", 1, (CmdCallBackFunc)OsShellCmdHwiDump},
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{CMD_TYPE_EX, "st", 1, (CmdCallBackFunc)OsShellCmdSchedTrace},
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#endif
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{CMD_TYPE_EX, "help", 0, (CmdCallBackFunc)OsShellCmdHelp},
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};
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@ -38,6 +38,9 @@
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#if (LOSCFG_KERNEL_PM == 1)
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#include "los_pm.h"
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#endif
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#if (LOSCFG_DEBUG_TOOLS == 1)
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#include "los_debugtools.h"
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#endif
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#ifdef __cplusplus
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#if __cplusplus
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@ -547,6 +550,9 @@ BOOL OsSchedTaskSwitch(VOID)
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isTaskSwitch = TRUE;
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OsHookCall(LOS_HOOK_TYPE_TASK_SWITCHEDIN);
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#if (LOSCFG_DEBUG_TOOLS == 1)
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OsSchedTraceRecord(newTask, runTask);
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#endif
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}
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OsSchedTaskDeQueue(newTask);
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