630 lines
24 KiB
C
630 lines
24 KiB
C
/*
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* Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
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* Copyright (c) 2020-2021 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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/**
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* @defgroup los_trace Trace
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* @ingroup kernel
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*/
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#ifndef _LOS_TRACE_H
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#define _LOS_TRACE_H
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#include "los_task.h"
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#include "los_base.h"
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#ifdef __cplusplus
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#if __cplusplus
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extern "C" {
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#endif /* __cplusplus */
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#endif /* __cplusplus */
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#ifdef LOSCFG_TRACE_CONTROL_AGENT
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/**
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* @ingroup los_trace
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* Trace Control agent task's priority.
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*/
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#define LOSCFG_TRACE_TASK_PRIORITY 2
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#endif
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#define LOSCFG_TRACE_OBJ_MAX_NAME_SIZE LOS_TASK_NAMELEN
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#define LOS_TRACE_LR_RECORD 5
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#define LOS_TRACE_LR_IGNORE 0
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/**
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* @ingroup los_trace
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* Trace records the max number of objects(kernel object, like tasks), range is [0, LOSCFG_BASE_CORE_TSK_LIMIT].
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* if set to 0, trace will not record any object.
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*/
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#define LOSCFG_TRACE_OBJ_MAX_NUM 0
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/**
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* @ingroup los_trace
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* Trace tlv encode buffer size, the buffer is used to encode one piece raw frame to tlv message in online mode.
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*/
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#define LOSCFG_TRACE_TLV_BUF_SIZE 100
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/**
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* @ingroup los_trace
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* Trace error code: init trace failed.
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*
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* Value: 0x02001400
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*
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* Solution: Follow the trace State Machine.
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*/
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#define LOS_ERRNO_TRACE_ERROR_STATUS LOS_ERRNO_OS_ERROR(LOS_MOD_TRACE, 0x00)
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/**
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* @ingroup los_trace
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* Trace error code: Insufficient memory for trace buf init.
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*
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* Value: 0x02001401
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*
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* Solution: Expand the configured system memory or decrease the value defined by LOS_TRACE_BUFFER_SIZE.
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*/
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#define LOS_ERRNO_TRACE_NO_MEMORY LOS_ERRNO_OS_ERROR(LOS_MOD_TRACE, 0x01)
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/**
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* @ingroup los_trace
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* Trace error code: Insufficient memory for trace struct.
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*
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* Value: 0x02001402
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*
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* Solution: Increase trace buffer's size.
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*/
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#define LOS_ERRNO_TRACE_BUF_TOO_SMALL LOS_ERRNO_OS_ERROR(LOS_MOD_TRACE, 0x02)
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/**
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* @ingroup los_trace
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* Trace state.
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*/
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enum TraceState {
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TRACE_UNINIT = 0, /**< trace isn't inited */
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TRACE_INITED, /**< trace is inited but not started yet */
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TRACE_STARTED, /**< trace is started and system is tracing */
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TRACE_STOPED, /**< trace is stopped */
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};
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/**
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* @ingroup los_trace
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* Trace mask is used to filter events in runtime. Each mask keep only one unique bit to 1, and user can define own
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* module's trace mask.
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*/
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typedef enum {
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TRACE_SYS_FLAG = 0x10,
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TRACE_HWI_FLAG = 0x20,
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TRACE_TASK_FLAG = 0x40,
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TRACE_SWTMR_FLAG = 0x80,
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TRACE_MEM_FLAG = 0x100,
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TRACE_QUE_FLAG = 0x200,
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TRACE_EVENT_FLAG = 0x400,
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TRACE_SEM_FLAG = 0x800,
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TRACE_MUX_FLAG = 0x1000,
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TRACE_IPC_FLAG = 0x2000,
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TRACE_MAX_FLAG = 0x80000000,
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TRACE_USER_DEFAULT_FLAG = 0xFFFFFFF0,
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} LOS_TRACE_MASK;
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/**
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* @ingroup los_trace
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* Trace event type which indicate the exactly happened events, user can define own module's event type like
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* TRACE_#MODULE#_FLAG | NUMBER.
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* 28 4
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* 0 0 0 0 0 0 0 0 X X X X X X X X 0 0 0 0 0 0
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* | | |
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* trace_module_flag number
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*
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*/
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typedef enum {
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/* 0x10~0x1F */
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SYS_ERROR = TRACE_SYS_FLAG | 0,
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SYS_START = TRACE_SYS_FLAG | 1,
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SYS_STOP = TRACE_SYS_FLAG | 2,
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/* 0x20~0x2F */
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HWI_CREATE = TRACE_HWI_FLAG | 0,
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HWI_CREATE_SHARE = TRACE_HWI_FLAG | 1,
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HWI_DELETE = TRACE_HWI_FLAG | 2,
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HWI_DELETE_SHARE = TRACE_HWI_FLAG | 3,
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HWI_RESPONSE_IN = TRACE_HWI_FLAG | 4,
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HWI_RESPONSE_OUT = TRACE_HWI_FLAG | 5,
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HWI_ENABLE = TRACE_HWI_FLAG | 6,
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HWI_DISABLE = TRACE_HWI_FLAG | 7,
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HWI_TRIGGER = TRACE_HWI_FLAG | 8,
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HWI_SETPRI = TRACE_HWI_FLAG | 9,
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HWI_CLEAR = TRACE_HWI_FLAG | 10,
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HWI_SETAFFINITY = TRACE_HWI_FLAG | 11,
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HWI_SENDIPI = TRACE_HWI_FLAG | 12,
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/* 0x40~0x4F */
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TASK_CREATE = TRACE_TASK_FLAG | 0,
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TASK_PRIOSET = TRACE_TASK_FLAG | 1,
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TASK_DELETE = TRACE_TASK_FLAG | 2,
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TASK_SUSPEND = TRACE_TASK_FLAG | 3,
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TASK_RESUME = TRACE_TASK_FLAG | 4,
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TASK_SWITCH = TRACE_TASK_FLAG | 5,
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TASK_SIGNAL = TRACE_TASK_FLAG | 6,
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/* 0x80~0x8F */
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SWTMR_CREATE = TRACE_SWTMR_FLAG | 0,
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SWTMR_DELETE = TRACE_SWTMR_FLAG | 1,
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SWTMR_START = TRACE_SWTMR_FLAG | 2,
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SWTMR_STOP = TRACE_SWTMR_FLAG | 3,
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SWTMR_EXPIRED = TRACE_SWTMR_FLAG | 4,
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/* 0x100~0x10F */
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MEM_ALLOC = TRACE_MEM_FLAG | 0,
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MEM_ALLOC_ALIGN = TRACE_MEM_FLAG | 1,
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MEM_REALLOC = TRACE_MEM_FLAG | 2,
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MEM_FREE = TRACE_MEM_FLAG | 3,
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MEM_INFO_REQ = TRACE_MEM_FLAG | 4,
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MEM_INFO = TRACE_MEM_FLAG | 5,
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/* 0x200~0x20F */
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QUEUE_CREATE = TRACE_QUE_FLAG | 0,
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QUEUE_DELETE = TRACE_QUE_FLAG | 1,
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QUEUE_RW = TRACE_QUE_FLAG | 2,
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/* 0x400~0x40F */
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EVENT_CREATE = TRACE_EVENT_FLAG | 0,
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EVENT_DELETE = TRACE_EVENT_FLAG | 1,
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EVENT_READ = TRACE_EVENT_FLAG | 2,
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EVENT_WRITE = TRACE_EVENT_FLAG | 3,
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EVENT_CLEAR = TRACE_EVENT_FLAG | 4,
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/* 0x800~0x80F */
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SEM_CREATE = TRACE_SEM_FLAG | 0,
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SEM_DELETE = TRACE_SEM_FLAG | 1,
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SEM_PEND = TRACE_SEM_FLAG | 2,
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SEM_POST = TRACE_SEM_FLAG | 3,
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/* 0x1000~0x100F */
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MUX_CREATE = TRACE_MUX_FLAG | 0,
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MUX_DELETE = TRACE_MUX_FLAG | 1,
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MUX_PEND = TRACE_MUX_FLAG | 2,
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MUX_POST = TRACE_MUX_FLAG | 3,
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/* 0x2000~0x200F */
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IPC_WRITE_DROP = TRACE_IPC_FLAG | 0,
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IPC_WRITE = TRACE_IPC_FLAG | 1,
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IPC_READ_DROP = TRACE_IPC_FLAG | 2,
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IPC_READ = TRACE_IPC_FLAG | 3,
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IPC_TRY_READ = TRACE_IPC_FLAG | 4,
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IPC_READ_TIMEOUT = TRACE_IPC_FLAG | 5,
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IPC_KILL = TRACE_IPC_FLAG | 6,
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} LOS_TRACE_TYPE;
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/**
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* @ingroup los_trace
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* struct to store the trace config information.
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*/
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typedef struct {
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UINT32 bigLittleEndian; /**< big little endian flag */
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UINT32 clockFreq; /**< system clock frequency */
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UINT32 version; /**< trace version */
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} TraceBaseHeaderInfo;
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/**
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* @ingroup los_trace
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* struct to store the event infomation
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*/
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typedef struct {
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UINT32 eventType; /**< event type */
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UINT32 curTask; /**< current running task */
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UINT32 curPid; /**< current running processID */
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UINT64 curTime; /**< current timestamp */
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UINTPTR identity; /**< subject of the event description */
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#ifdef LOSCFG_TRACE_FRAME_CORE_MSG
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struct CoreStatus {
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UINT32 cpuId : 8, /**< cpuid */
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hwiActive : 4, /**< whether is in hwi response */
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taskLockCnt : 4, /**< task lock count */
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paramCount : 4, /**< event frame params' number */
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reserves : 12; /**< reserves */
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} core;
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#endif
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#ifdef LOSCFG_TRACE_FRAME_EVENT_COUNT
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UINT32 eventCount; /**< the sequence of happened events */
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#endif
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#ifdef LOS_TRACE_FRAME_LR
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UINTPTR linkReg[LOS_TRACE_LR_RECORD];
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#endif
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#ifdef LOSCFG_TRACE_FRAME_MAX_PARAMS
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UINTPTR params[LOSCFG_TRACE_FRAME_MAX_PARAMS]; /**< event frame's params */
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#endif
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} TraceEventFrame;
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#ifdef LOSCFG_DRIVERS_TRACE
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typedef struct {
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UINT32 eventType;
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UINTPTR identity;
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UINTPTR params[3];
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} UsrEventInfo;
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#endif
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/**
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* @ingroup los_trace
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* struct to store the kernel obj information, we defined task as kernel obj in this system.
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*/
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typedef struct {
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UINT32 id; /**< kernel obj's id */
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UINT32 prio; /**< kernel obj's priority */
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CHAR name[LOSCFG_TRACE_OBJ_MAX_NAME_SIZE]; /**< kernel obj's name */
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} ObjData;
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/**
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* @ingroup los_trace
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* struct to store the trace data.
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*/
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typedef struct {
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TraceBaseHeaderInfo baseInfo; /**< basic info, include bigLittleEndian flag, system clock freq */
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UINT16 totalLen; /**< trace data's total length */
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UINT16 objSize; /**< sizeof #ObjData */
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UINT16 frameSize; /**< sizeof #TraceEventFrame */
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UINT16 objOffset; /**< the offset of the first obj data to record beginning */
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UINT16 frameOffset; /**< the offset of the first event frame data to record beginning */
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} OfflineHead;
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/**
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* @ingroup los_trace
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* @brief Define the type of trace hardware interrupt filter hook function.
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*
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* @par Description:
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* User can register filter function by LOS_TraceHwiFilterHookReg to filter hardware interrupt events. Return true if
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* user don't need trace the certain number.
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*
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* @attention
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* None.
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*
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* @param hwiNum [IN] Type #UINT32. The hardware interrupt number.
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* @retval #TRUE 0x00000001: Not record the certain number.
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* @retval #FALSE 0x00000000: Need record the certain number.
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*
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* @par Dependency:
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* <ul><li>los_trace.h: the header file that contains the API declaration.</li></ul>
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*/
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typedef BOOL (*TRACE_HWI_FILTER_HOOK)(UINT32 hwiNum);
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typedef VOID (*TRACE_EVENT_HOOK)(UINT32 eventType, UINTPTR identity, const UINTPTR *params, UINT16 paramCount);
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extern TRACE_EVENT_HOOK g_traceEventHook;
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/**
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* @ingroup los_trace
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* Trace event params:
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1. Configure the macro without parameters so as not to record events of this type;
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2. Configure the macro at least with one parameter to record this type of event;
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3. User can delete unnecessary parameters which defined in corresponding marco;
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* @attention
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* <ul>
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* <li>The first param is treat as key, keep at least this param if you want trace this event.</li>
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* <li>All parameters were treated as UINTPTR.</li>
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* </ul>
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* eg. Trace a event as:
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* #define TASK_PRIOSET_PARAMS(taskId, taskStatus, oldPrio, newPrio) taskId, taskStatus, oldPrio, newPrio
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* eg. Not Trace a event as:
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* #define TASK_PRIOSET_PARAMS(taskId, taskStatus, oldPrio, newPrio)
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* eg. Trace only you need parmas as:
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* #define TASK_PRIOSET_PARAMS(taskId, taskStatus, oldPrio, newPrio) taskId
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*/
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#define TASK_SWITCH_PARAMS(taskId, oldPriority, oldTaskStatus, newPriority, newTaskStatus) \
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taskId, oldPriority, oldTaskStatus, newPriority, newTaskStatus
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#define TASK_PRIOSET_PARAMS(taskId, taskStatus, oldPrio, newPrio) taskId, taskStatus, oldPrio, newPrio
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#define TASK_CREATE_PARAMS(taskId, taskStatus, prio) taskId, taskStatus, prio
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#define TASK_DELETE_PARAMS(taskId, taskStatus, usrStack) taskId, taskStatus, usrStack
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#define TASK_SUSPEND_PARAMS(taskId, taskStatus, runTaskId) taskId, taskStatus, runTaskId
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#define TASK_RESUME_PARAMS(taskId, taskStatus, prio) taskId, taskStatus, prio
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#define TASK_SIGNAL_PARAMS(taskId, signal, schedFlag) // taskId, signal, schedFlag
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#define SWTMR_START_PARAMS(swtmrId, mode, interval) swtmrId, mode, interval
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#define SWTMR_DELETE_PARAMS(swtmrId) swtmrId
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#define SWTMR_EXPIRED_PARAMS(swtmrId) swtmrId
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#define SWTMR_STOP_PARAMS(swtmrId) swtmrId
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#define SWTMR_CREATE_PARAMS(swtmrId) swtmrId
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#define HWI_CREATE_PARAMS(hwiNum, hwiPrio, hwiMode, hwiHandler) hwiNum, hwiPrio, hwiMode, hwiHandler
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#define HWI_CREATE_SHARE_PARAMS(hwiNum, pDevId, ret) hwiNum, pDevId, ret
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#define HWI_DELETE_PARAMS(hwiNum) hwiNum
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#define HWI_DELETE_SHARE_PARAMS(hwiNum, pDevId, ret) hwiNum, pDevId, ret
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#define HWI_RESPONSE_IN_PARAMS(hwiNum) hwiNum
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#define HWI_RESPONSE_OUT_PARAMS(hwiNum) hwiNum
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#define HWI_ENABLE_PARAMS(hwiNum) hwiNum
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#define HWI_DISABLE_PARAMS(hwiNum) hwiNum
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#define HWI_TRIGGER_PARAMS(hwiNum) hwiNum
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#define HWI_SETPRI_PARAMS(hwiNum, priority) hwiNum, priority
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#define HWI_CLEAR_PARAMS(hwiNum) hwiNum
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#define HWI_SETAFFINITY_PARAMS(hwiNum, cpuMask) hwiNum, cpuMask
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#define HWI_SENDIPI_PARAMS(hwiNum, cpuMask) hwiNum, cpuMask
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#define EVENT_CREATE_PARAMS(eventCB) eventCB
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#define EVENT_DELETE_PARAMS(eventCB, delRetCode) eventCB, delRetCode
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#define EVENT_READ_PARAMS(eventCB, eventId, mask, mode, timeout) \
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eventCB, eventId, mask, mode, timeout
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#define EVENT_WRITE_PARAMS(eventCB, eventId, events) eventCB, eventId, events
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#define EVENT_CLEAR_PARAMS(eventCB, eventId, events) eventCB, eventId, events
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#define QUEUE_CREATE_PARAMS(queueId, queueSz, itemSz, queueAddr, memType) \
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queueId, queueSz, itemSz, queueAddr, memType
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#define QUEUE_DELETE_PARAMS(queueId, state, readable) queueId, state, readable
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#define QUEUE_RW_PARAMS(queueId, queueSize, bufSize, operateType, readable, writeable, timeout) \
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queueId, queueSize, bufSize, operateType, readable, writeable, timeout
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#define SEM_CREATE_PARAMS(semId, type, count) semId, type, count
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#define SEM_DELETE_PARAMS(semId, delRetCode) semId, delRetCode
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#define SEM_PEND_PARAMS(semId, count, timeout) semId, count, timeout
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#define SEM_POST_PARAMS(semId, type, count) semId, type, count
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#define MUX_CREATE_PARAMS(muxId) muxId
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#define MUX_DELETE_PARAMS(muxId, state, count, owner) muxId, state, count, owner
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#define MUX_PEND_PARAMS(muxId, count, owner, timeout) muxId, count, owner, timeout
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#define MUX_POST_PARAMS(muxId, count, owner) muxId, count, owner
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#define MEM_ALLOC_PARAMS(pool, ptr, size) pool, ptr, size
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#define MEM_ALLOC_ALIGN_PARAMS(pool, ptr, size, boundary) pool, ptr, size, boundary
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#define MEM_REALLOC_PARAMS(pool, ptr, size) pool, ptr, size
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#define MEM_FREE_PARAMS(pool, ptr) pool, ptr
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#define MEM_INFO_REQ_PARAMS(pool) pool
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#define MEM_INFO_PARAMS(pool, usedSize, freeSize) pool, usedSize, freeSize
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#define IPC_WRITE_DROP_PARAMS(dstTid, dstPid, msgType, code, ipcStatus) \
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dstTid, dstPid, msgType, code, ipcStatus
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#define IPC_WRITE_PARAMS(dstTid, dstPid, msgType, code, ipcStatus) \
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dstTid, dstPid, msgType, code, ipcStatus
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#define IPC_READ_DROP_PARAMS(srcTid, srcPid, msgType, code, ipcStatus) \
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srcTid, srcPid, msgType, code, ipcStatus
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#define IPC_READ_PARAMS(srcTid, srcPid, msgType, code, ipcStatus) \
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srcTid, srcPid, msgType, code, ipcStatus
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#define IPC_TRY_READ_PARAMS(msgType, ipcStatus) msgType, ipcStatus
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#define IPC_READ_TIMEOUT_PARAMS(msgType, ipcStatus) msgType, ipcStatus
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#define IPC_KILL_PARAMS(msgType, ipcStatus) msgType, ipcStatus
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#define SYS_ERROR_PARAMS(errno) errno
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#ifdef LOSCFG_KERNEL_TRACE
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/**
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* @ingroup los_trace
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* @brief Trace static code stub.
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*
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* @par Description:
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* This API is used to instrument trace code stub in source code, to track events.
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* @attention
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* None.
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*
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* @param TYPE [IN] Type #LOS_TRACE_TYPE. The event type.
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* @param IDENTITY [IN] Type #UINTPTR. The subject of this event description.
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* @param ... [IN] Type #UINTPTR. This piece of event's params.
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* @retval None.
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*
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* @par Dependency:
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* <ul><li>los_trace.h: the header file that contains the API declaration.</li></ul>
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*/
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#define LOS_TRACE(TYPE, IDENTITY, ...) \
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do { \
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UINTPTR _inner[] = {0, TYPE##_PARAMS((UINTPTR)IDENTITY, ##__VA_ARGS__)}; \
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UINTPTR _n = sizeof(_inner) / sizeof(UINTPTR); \
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if ((_n > 1) && (g_traceEventHook != NULL)) { \
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g_traceEventHook(TYPE, _inner[1], _n > 2 ? &_inner[2] : NULL, _n - 2); \
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} \
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} while (0)
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#else
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#define LOS_TRACE(TYPE, ...)
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#endif
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#ifdef LOSCFG_KERNEL_TRACE
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|
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/**
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* @ingroup los_trace
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* @brief Trace static easier user-defined code stub.
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*
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* @par Description:
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* This API is used to instrument user-defined trace code stub in source code, to track events simply.
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* @attention
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|
* None.
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*
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* @param TYPE [IN] Type #UINT32. The event type, only low 4 bits take effect.
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* @param IDENTITY [IN] Type #UINTPTR. The subject of this event description.
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* @param ... [IN] Type #UINTPTR. This piece of event's params.
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* @retval None.
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|
*
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* @par Dependency:
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|
* <ul><li>los_trace.h: the header file that contains the API declaration.</li></ul>
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|
*/
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#define LOS_TRACE_EASY(TYPE, IDENTITY, ...) \
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do { \
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UINTPTR _inner[] = {0, ##__VA_ARGS__}; \
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UINTPTR _n = sizeof(_inner) / sizeof(UINTPTR); \
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if (g_traceEventHook != NULL) { \
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g_traceEventHook(TRACE_USER_DEFAULT_FLAG | TYPE, (UINTPTR)IDENTITY, _n > 1 ? &_inner[1] : NULL, _n - 1); \
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} \
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} while (0)
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|
#else
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|
#define LOS_TRACE_EASY(...)
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#endif
|
|
|
|
/**
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|
* @ingroup los_trace
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|
* @brief Start trace.
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|
*
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|
* @par Description:
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|
* This API is used to start trace.
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|
* @attention
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|
* <ul>
|
|
* <li>Start trace</li>
|
|
* </ul>
|
|
*
|
|
* @param None.
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|
* @retval #LOS_ERRNO_TRACE_ERROR_STATUS 0x02001400: Trace start failed.
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|
* @retval #LOS_OK 0x00000000: Trace start success.
|
|
*
|
|
* @par Dependency:
|
|
* <ul><li>los_trace.h: the header file that contains the API declaration.</li></ul>
|
|
* @see LOS_TraceStart
|
|
*/
|
|
extern UINT32 LOS_TraceStart(VOID);
|
|
|
|
/**
|
|
* @ingroup los_trace
|
|
* @brief Stop trace.
|
|
*
|
|
* @par Description:
|
|
* This API is used to stop trace.
|
|
* @attention
|
|
* <ul>
|
|
* <li>Stop trace</li>
|
|
* </ul>
|
|
*
|
|
* @param None.
|
|
* @retval #None.
|
|
*
|
|
* @par Dependency:
|
|
* <ul><li>los_trace.h: the header file that contains the API declaration.</li></ul>
|
|
* @see LOS_TraceStop
|
|
*/
|
|
extern VOID LOS_TraceStop(VOID);
|
|
|
|
/**
|
|
* @ingroup los_trace
|
|
* @brief Clear the trace buf.
|
|
*
|
|
* @par Description:
|
|
* Clear the event frames in trace buf only at offline mode.
|
|
* @attention
|
|
* <ul>
|
|
* <li>This API can be called only after that trace buffer has been established.</li>
|
|
* Otherwise, the trace will be failed.</li>
|
|
* </ul>
|
|
*
|
|
* @param None.
|
|
* @retval #NA
|
|
* @par Dependency:
|
|
* <ul><li>los_trace.h: the header file that contains the API declaration.</li></ul>
|
|
* @see LOS_TraceReset
|
|
*/
|
|
extern VOID LOS_TraceReset(VOID);
|
|
|
|
/**
|
|
* @ingroup los_trace
|
|
* @brief Set trace event mask.
|
|
*
|
|
* @par Description:
|
|
* Set trace event mask.
|
|
* @attention
|
|
* <ul>
|
|
* <li>Set trace event filter mask.</li>
|
|
* <li>The Default mask is (TRACE_HWI_FLAG | TRACE_TASK_FLAG), stands for switch on task and hwi events.</li>
|
|
* <li>Customize mask according to the type defined in enum LOS_TRACE_MASK to switch on corresponding module's
|
|
* trace.</li>
|
|
* <li>The system's trace mask will be overrode by the input parameter.</li>
|
|
* </ul>
|
|
*
|
|
* @param mask [IN] Type #UINT32. The mask used to filter events of LOS_TRACE_MASK.
|
|
* @retval #NA.
|
|
* @par Dependency:
|
|
* <ul><li>los_trace.h: the header file that contains the API declaration.</li></ul>
|
|
* @see LOS_TraceEventMaskSet
|
|
*/
|
|
extern VOID LOS_TraceEventMaskSet(UINT32 mask);
|
|
|
|
/**
|
|
* @ingroup los_trace
|
|
* @brief Offline trace buffer display.
|
|
*
|
|
* @par Description:
|
|
* Display trace buf data only at offline mode.
|
|
* @attention
|
|
* <ul>
|
|
* <li>This API can be called only after that trace stopped. Otherwise the trace dump will be failed.</li>
|
|
* <li>Trace data will be send to pipeline when user set toClient = TRUE. Otherwise it will be formatted and printed
|
|
* out.</li>
|
|
* </ul>
|
|
*
|
|
* @param toClient [IN] Type #BOOL. Whether send trace data to Client through pipeline.
|
|
* @retval #NA
|
|
*
|
|
* @par Dependency:
|
|
* <ul><li>los_trace.h: the header file that contains the API declaration.</li></ul>
|
|
* @see LOS_TraceRecordDump
|
|
*/
|
|
extern VOID LOS_TraceRecordDump(BOOL toClient);
|
|
|
|
/**
|
|
* @ingroup los_trace
|
|
* @brief Offline trace buffer export.
|
|
*
|
|
* @par Description:
|
|
* Return the trace buf only at offline mode.
|
|
* @attention
|
|
* <ul>
|
|
* <li>This API can be called only after that trace buffer has been established. </li>
|
|
* <li>The return buffer's address is a critical resource, user can only ready.</li>
|
|
* </ul>
|
|
*
|
|
* @param NA
|
|
* @retval #OfflineHead* The trace buffer's address, analyze this buffer according to the structure of
|
|
* OfflineHead.
|
|
*
|
|
* @par Dependency:
|
|
* <ul><li>los_trace.h: the header file that contains the API declaration.</li></ul>
|
|
* @see LOS_TraceRecordGet
|
|
*/
|
|
extern OfflineHead *LOS_TraceRecordGet(VOID);
|
|
|
|
/**
|
|
* @ingroup los_trace
|
|
* @brief Hwi num filter hook.
|
|
*
|
|
* @par Description:
|
|
* Hwi filter function.
|
|
* @attention
|
|
* <ul>
|
|
* <li>Filter the hwi events by hwi num</li>
|
|
* </ul>
|
|
*
|
|
* @param hook [IN] Type #TRACE_HWI_FILTER_HOOK. The user defined hook for hwi num filter,
|
|
* the hook should return true if you don't want trace this hwi num.
|
|
* @retval #None
|
|
* @par Dependency:
|
|
* <ul><li>los_trace.h: the header file that contains the API declaration.</li></ul>
|
|
* @see LOS_TraceHwiFilterHookReg
|
|
*/
|
|
extern VOID LOS_TraceHwiFilterHookReg(TRACE_HWI_FILTER_HOOK hook);
|
|
#ifdef __cplusplus
|
|
#if __cplusplus
|
|
}
|
|
#endif /* __cplusplus */
|
|
#endif /* __cplusplus */
|
|
|
|
#endif /* _LOS_TRACE_H */
|