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openharmony_kernel_liteos_m/components/trace/trace_offline.c

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/*
* Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
* Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
*
* 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_trace_pri.h"
#include "trace_pipeline.h"
#if (LOSCFG_RECORDER_MODE_OFFLINE == 1)
#define BITS_NUM_FOR_TASK_ID 16
LITE_OS_SEC_BSS STATIC TraceOfflineHeaderInfo g_traceRecoder;
LITE_OS_SEC_BSS STATIC UINT32 g_tidMask[LOSCFG_BASE_CORE_TSK_LIMIT] = {0};
UINT32 OsTraceGetMaskTid(UINT32 tid)
{
return tid | ((tid < LOSCFG_BASE_CORE_TSK_LIMIT) ? g_tidMask[tid] << BITS_NUM_FOR_TASK_ID : 0); /* tid < 65535 */
}
UINT32 OsTraceBufInit(UINT32 size)
{
UINT32 headSize;
VOID *buf = NULL;
headSize = sizeof(OfflineHead) + sizeof(ObjData) * LOSCFG_TRACE_OBJ_MAX_NUM;
if (size <= headSize) {
TRACE_ERROR("trace buf size not enough than 0x%x\n", headSize);
return LOS_ERRNO_TRACE_BUF_TOO_SMALL;
}
buf = LOS_MemAlloc(m_aucSysMem0, size);
if (buf == NULL) {
return LOS_ERRNO_TRACE_NO_MEMORY;
}
(VOID)memset_s(buf, size, 0, size);
g_traceRecoder.head = (OfflineHead *)buf;
g_traceRecoder.head->baseInfo.bigLittleEndian = TRACE_BIGLITTLE_WORD;
g_traceRecoder.head->baseInfo.version = TRACE_VERSION(TRACE_MODE_OFFLINE);
g_traceRecoder.head->baseInfo.clockFreq = g_sysClock;
g_traceRecoder.head->objSize = sizeof(ObjData);
g_traceRecoder.head->frameSize = sizeof(TraceEventFrame);
g_traceRecoder.head->objOffset = sizeof(OfflineHead);
g_traceRecoder.head->frameOffset = headSize;
g_traceRecoder.head->totalLen = size;
g_traceRecoder.ctrl.curIndex = 0;
g_traceRecoder.ctrl.curObjIndex = 0;
g_traceRecoder.ctrl.maxObjCount = LOSCFG_TRACE_OBJ_MAX_NUM;
g_traceRecoder.ctrl.maxRecordCount = (size - headSize) / sizeof(TraceEventFrame);
g_traceRecoder.ctrl.objBuf = (ObjData *)((UINTPTR)buf + g_traceRecoder.head->objOffset);
g_traceRecoder.ctrl.frameBuf = (TraceEventFrame *)((UINTPTR)buf + g_traceRecoder.head->frameOffset);
return LOS_OK;
}
VOID OsTraceObjAdd(UINT32 eventType, UINT32 taskId)
{
UINT32 intSave;
UINT32 index;
ObjData *obj = NULL;
TRACE_LOCK(intSave);
/* add obj begin */
index = g_traceRecoder.ctrl.curObjIndex;
if (index >= LOSCFG_TRACE_OBJ_MAX_NUM) { /* do nothing when config LOSCFG_TRACE_OBJ_MAX_NUM = 0 */
TRACE_UNLOCK(intSave);
return;
}
obj = &g_traceRecoder.ctrl.objBuf[index];
if (taskId < LOSCFG_BASE_CORE_TSK_LIMIT) {
g_tidMask[taskId]++;
}
OsTraceSetObj(obj, OS_TCB_FROM_TID(taskId));
g_traceRecoder.ctrl.curObjIndex++;
if (g_traceRecoder.ctrl.curObjIndex >= g_traceRecoder.ctrl.maxObjCount) {
g_traceRecoder.ctrl.curObjIndex = 0; /* turn around */
}
/* add obj end */
TRACE_UNLOCK(intSave);
}
VOID OsTraceWriteOrSendEvent(const TraceEventFrame *frame)
{
UINT16 index;
UINT32 intSave;
TRACE_LOCK(intSave);
index = g_traceRecoder.ctrl.curIndex;
(VOID)memcpy_s(&g_traceRecoder.ctrl.frameBuf[index], sizeof(TraceEventFrame), frame, sizeof(TraceEventFrame));
g_traceRecoder.ctrl.curIndex++;
if (g_traceRecoder.ctrl.curIndex >= g_traceRecoder.ctrl.maxRecordCount) {
g_traceRecoder.ctrl.curIndex = 0;
}
TRACE_UNLOCK(intSave);
}
VOID OsTraceReset(VOID)
{
UINT32 intSave;
UINT32 bufLen;
TRACE_LOCK(intSave);
bufLen = sizeof(TraceEventFrame) * g_traceRecoder.ctrl.maxRecordCount;
(VOID)memset_s(g_traceRecoder.ctrl.frameBuf, bufLen, 0, bufLen);
g_traceRecoder.ctrl.curIndex = 0;
TRACE_UNLOCK(intSave);
}
STATIC VOID OsTraceInfoObj(VOID)
{
UINT32 i;
ObjData *obj = &g_traceRecoder.ctrl.objBuf[0];
if (g_traceRecoder.ctrl.maxObjCount > 0) {
PRINTK("CurObjIndex = %u\n", g_traceRecoder.ctrl.curObjIndex);
PRINTK("Index TaskID TaskPrio TaskName \n");
for (i = 0; i < g_traceRecoder.ctrl.maxObjCount; i++, obj++) {
PRINTK("%-7u 0x%-6x %-10u %s\n", i, obj->id, obj->prio, obj->name);
}
PRINTK("\n");
}
}
STATIC VOID OsTraceInfoEventTitle(VOID)
{
PRINTK("CurEvtIndex = %u\n", g_traceRecoder.ctrl.curIndex);
PRINTK("Index Time(cycles) EventType CurTask Identity ");
#if (LOSCFG_TRACE_FRAME_CORE_MSG == 1)
PRINTK("cpuId hwiActive taskLockCnt ");
#endif
#if (LOSCFG_TRACE_FRAME_EVENT_COUNT == 1)
PRINTK("eventCount ");
#endif
if (LOSCFG_TRACE_FRAME_MAX_PARAMS > 0) {
PRINTK("params ");
}
PRINTK("\n");
}
STATIC VOID OsTraceInfoEventData(VOID)
{
UINT32 i, j;
TraceEventFrame *frame = &g_traceRecoder.ctrl.frameBuf[0];
for (i = 0; i < g_traceRecoder.ctrl.maxRecordCount; i++, frame++) {
PRINTK("%-7u 0x%-15llx 0x%-12x 0x%-7x 0x%-11x ", i, (UINT32)frame->curTime, frame->eventType,
frame->curTask, frame->identity);
#if (LOSCFG_TRACE_FRAME_CORE_MSG == 1)
UINT32 taskLockCnt = frame->core.taskLockCnt;
#if (LOSCFG_KERNEL_SMP == 1)
/*
* For smp systems, TRACE_LOCK will request taskLock, and this counter
* will increase by 1 in that case.
*/
taskLockCnt -= 1;
#endif
PRINTK("%-11u %-11u %-11u", frame->core.cpuId, frame->core.hwiActive, taskLockCnt);
#endif
#if (LOSCFG_TRACE_FRAME_EVENT_COUNT == 1)
PRINTK("%-11u", frame->eventCount);
#endif
for (j = 0; j < LOSCFG_TRACE_FRAME_MAX_PARAMS; j++) {
PRINTK("0x%-11x", frame->params[j]);
}
PRINTK("\n");
}
}
STATIC VOID OsTraceInfoDisplay(VOID)
{
OfflineHead *head = g_traceRecoder.head;
PRINTK("*******TraceInfo begin*******\n");
PRINTK("clockFreq = %u\n", head->baseInfo.clockFreq);
OsTraceInfoObj();
OsTraceInfoEventTitle();
OsTraceInfoEventData();
PRINTK("*******TraceInfo end*******\n");
}
#if (LOSCFG_TRACE_CLIENT_INTERACT == 1)
STATIC VOID OsTraceSendInfo(VOID)
{
UINT32 i;
ObjData *obj = NULL;
TraceEventFrame *frame = NULL;
OsTraceDataSend(HEAD, sizeof(OfflineHead), (UINT8 *)g_traceRecoder.head);
obj = &g_traceRecoder.ctrl.objBuf[0];
for (i = 0; i < g_traceRecoder.ctrl.maxObjCount; i++) {
OsTraceDataSend(OBJ, sizeof(ObjData), (UINT8 *)(obj + i));
}
frame = &g_traceRecoder.ctrl.frameBuf[0];
for (i = 0; i < g_traceRecoder.ctrl.maxRecordCount; i++) {
OsTraceDataSend(EVENT, sizeof(TraceEventFrame), (UINT8 *)(frame + i));
}
}
#endif
VOID OsTraceRecordDump(BOOL toClient)
{
if (!toClient) {
OsTraceInfoDisplay();
return;
}
#if (LOSCFG_TRACE_CLIENT_INTERACT == 1)
OsTraceSendInfo();
#endif
}
OfflineHead *OsTraceRecordGet(VOID)
{
return g_traceRecoder.head;
}
#endif /* LOSCFG_RECORDER_MODE_OFFLINE == 1 */
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