xref: /kernel/liteos_m/components/trace/trace_online.c (revision 3d8536b4)

/*
 * 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_ONLINE == 1)
UINT32 OsTraceGetMaskTid(UINT32 taskId)
{
    return taskId;
}

VOID OsTraceSendHead(VOID)
{
    TraceBaseHeaderInfo head = {
        .bigLittleEndian = TRACE_BIGLITTLE_WORD,
        .version         = TRACE_VERSION(TRACE_MODE_ONLINE),
        .clockFreq       = g_sysClock,
    };

    OsTraceDataSend(HEAD, sizeof(TraceBaseHeaderInfo), (UINT8 *)&head);
}

VOID OsTraceSendNotify(UINT32 type, UINT32 value)
{
    TraceNotifyFrame frame = {
        .cmd   = type,
        .param = value,
    };

    OsTraceDataSend(NOTIFY, sizeof(TraceNotifyFrame), (UINT8 *)&frame);
}

STATIC VOID OsTraceSendObj(const LosTaskCB *tcb)
{
    ObjData obj;

    OsTraceSetObj(&obj, tcb);
    OsTraceDataSend(OBJ, sizeof(ObjData), (UINT8 *)&obj);
}

VOID OsTraceSendObjTable(VOID)
{
    UINT32 loop;
    LosTaskCB *tcb = NULL;

    for (loop = 0; loop < g_taskMaxNum; ++loop) {
        tcb = g_taskCBArray + loop;
        if (tcb->taskStatus & OS_TASK_STATUS_UNUSED) {
            continue;
        }
        OsTraceSendObj(tcb);
    }
}

VOID OsTraceObjAdd(UINT32 eventType, UINT32 taskId)
{
    if (OsTraceIsEnable()) {
        OsTraceSendObj(OS_TCB_FROM_TID(taskId));
    }
}

VOID OsTraceWriteOrSendEvent(const TraceEventFrame *frame)
{
    OsTraceDataSend(EVENT, sizeof(TraceEventFrame), (UINT8 *)frame);
}

OfflineHead *OsTraceRecordGet(VOID)
{
    return NULL;
}

#endif /* LOSCFG_RECORDER_MODE_ONLINE == 1 */