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    DriveWorks SDK Reference
    5.20.37 Release
    For Test and Development only

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    Namespaces | Macros
    Trace.hpp File Reference

    Go to the source code of this file.

    Namespaces

    namespace  dw
     
    namespace  dw::trace
     

    Macros

    #define DW_CONCAT(x, y)   DW_CONCAT_(x, y)
     
    #define DW_CONCAT_(x, y)   x##y
     
    #define DW_TRACE_ASYNC_BEGIN(...)   dw::trace::TraceFunctions::dwTraceAsyncBegin(__VA_ARGS__)
     This API is used to trace asynchronous functions. More...
     
    #define DW_TRACE_ASYNC_END(...)   dw::trace::TraceFunctions::dwTraceAsyncEnd(__VA_ARGS__)
     This API should be paired with DW_TRACE_ASYNC_BEGIN. More...
     
    #define DW_TRACE_BEGIN(...)   dw::trace::TraceFunctions::dwTraceBegin(__VA_ARGS__)
     This API is used to determine time taken by specific lines or function in code. More...
     
    #define DW_TRACE_BIND_OUTPUT(...)   dw::trace::TraceFunctions::dwTraceBindOutput(__VA_ARGS__)
     
    #define DW_TRACE_BOOT_PROFILER(msg)
     Interface into the bootprofiler tool. More...
     
    #define DW_TRACE_CORE_INIT(...)   dw::trace::TraceFunctions::dwTraceCoreInit(__VA_ARGS__)
     Initialise DWTrace core from application. More...
     
    #define DW_TRACE_CUDA_BEGIN(...)   dw::trace::TraceFunctions::dwTraceCudaBegin(__VA_ARGS__)
     This API is used to determine time taken by specific tasks on GPU/DLA. More...
     
    #define DW_TRACE_CUDA_BEGIN_ASYNC(...)   DW_TRACE_CUDA_BEGIN(__VA_ARGS__)
     This API is used to determine time taken by specific tasks on GPU/DLA. More...
     
    #define DW_TRACE_CUDA_COLLECT_ALL()   dw::trace::TraceFunctions::dwTraceCudaCollectAll()
     This API should be paired with DW_TRACE_CUDA_BEGIN_ASYNC and DW_TRACE_CUDA_RECORD_ASYNC. More...
     
    #define DW_TRACE_CUDA_COLLECT_ASYNC(...)   dw::trace::TraceFunctions::dwTraceCudaCollectAsync(__VA_ARGS__)
     This API should be paired with DW_TRACE_CUDA_BEGIN_ASYNC and DW_TRACE_CUDA_RECORD_ASYNC. More...
     
    #define DW_TRACE_CUDA_END(...)   dw::trace::TraceFunctions::dwTraceCudaEnd(__VA_ARGS__)
     This API should be paired with DW_TRACE_CUDA_BEGIN. More...
     
    #define DW_TRACE_CUDA_RECORD_ASYNC(...)   dw::trace::TraceFunctions::dwTraceCudaRecordAsync(__VA_ARGS__)
     Marks end of specific task using cudaEvent in cudaStream queue. More...
     
    #define DW_TRACE_CUDA_SCOPE(...)
     This API is used to measure GPU execution time across scope. More...
     
    #define DW_TRACE_CUDA_SCOPE_ASYNC(...)
     This API is used to measure GPU execution time across scope. More...
     
    #define DW_TRACE_DISABLE(chan_mask)   dw::trace::TraceFunctions::dwTraceDisable(chan_mask)
     Disables tracing for specific channels. More...
     
    #define DW_TRACE_ENABLE(chan_mask, level)   dw::trace::TraceFunctions::dwTraceEnable(chan_mask, level)
     This API configures DWTrace. More...
     
    #define DW_TRACE_ENABLE_ALL()   dw::trace::TraceFunctions::dwTraceEnableAll()
     Enables all channels in DWTrace. More...
     
    #define DW_TRACE_END(...)   dw::trace::TraceFunctions::dwTraceEnd(__VA_ARGS__)
     This API should be paired with DW_TRACE_BEGIN. More...
     
    #define DW_TRACE_FLUSH(isForce)   dw::trace::TraceFunctions::dwTraceFlush(isForce)
     DWTrace uses buffer for storing traces, these traces are written to backends periodically based on configuration value provided when DW_TRACE_INIT is called. More...
     
    #define DW_TRACE_GET_MACRO_2(_1, _2, NAME, ...)   NAME
     
    #define DW_TRACE_GET_MACRO_5(_1, _2, _3, _4, _5, NAME, ...)   NAME
     
    #define DW_TRACE_INIT(...)
     Initialise DWTrace from application. More...
     
    #define DW_TRACE_MARK(...)   dw::trace::TraceFunctions::dwTraceMark(__VA_ARGS__)
     API to mark specific instant in program. More...
     
    #define DW_TRACE_PAYLOAD(...)
     
    #define DW_TRACE_PAYLOAD1(STR1)   dw::trace::TraceFunctions::singlePayload(STR1)
     
    #define DW_TRACE_PAYLOAD2(STR1, STR2)   dw::trace::TraceFunctions::joinPayloadChars(STR1, STR2)
     
    #define DW_TRACE_REGISTER_CB(...)   dw::trace::TraceFunctions::dwTraceRegisterCallback(__VA_ARGS__)
     
    #define DW_TRACE_RESET(...)
     Reset DWTrace core and DeInitialise DWTrace Wrapper. More...
     
    #define DW_TRACE_RESET_WRAPPER(...)    dw::trace::TraceFunctions::dwTraceWrapperReset(__VA_ARGS__);
     Reset DWTrace Wrapper. More...
     
    #define DW_TRACE_SCOPE(...)
     This API is used to measure CPU execution time across scope. More...
     
    #define DW_TRACE_TAG(...)    dw::trace::dwtFixedString_t(DW_TRACE_GET_MACRO_5(__VA_ARGS__, DW_TRACE_TAG5, DW_TRACE_TAG4, DW_TRACE_TAG3, DW_TRACE_TAG2, DW_TRACE_TAG1)(__VA_ARGS__))
     
    #define DW_TRACE_TAG1(STR1)   (STR1)
     
    #define DW_TRACE_TAG2(STR1, STR2)   (STR1 "@" STR2)
     
    #define DW_TRACE_TAG3(STR1, STR2, STR3)   (STR1 ":" STR2 "@" STR3)
     
    #define DW_TRACE_TAG4(STR1, STR2, STR3, STR4)   (STR1 ":" STR2 ":" STR3 "@" STR4)
     
    #define DW_TRACE_TAG5(STR1, STR2, STR3, STR4, STR5)   (STR1 ":" STR2 ":" STR3 ":" STR4 "@" STR5)
     
    #define DW_UNIQUE_VAR(name)   DW_CONCAT(name, __LINE__)
     

    Macro Definition Documentation

    ◆ DW_CONCAT

    #define DW_CONCAT (   x,
      y 
    )    DW_CONCAT_(x, y)

    Definition at line 66 of file Trace.hpp.

    ◆ DW_CONCAT_

    #define DW_CONCAT_ (   x,
      y 
    )    x##y

    Definition at line 65 of file Trace.hpp.

    ◆ DW_TRACE_ASYNC_BEGIN

    #define DW_TRACE_ASYNC_BEGIN (   ...)    dw::trace::TraceFunctions::dwTraceAsyncBegin(__VA_ARGS__)

    This API is used to trace asynchronous functions.

    Asynchronous function execution can start and stop on different thread/process. Measures CPU time.

    Parameters
    [in]chanSpecifies channels where trace has to be placed.
    [in]tagUnique string for every trace.
    [in]level[optional] If not mentioned DW_TRACE_LEVEL_DEFAULT is used.
    [in]payload[optional] Default is null string

    Definition at line 126 of file Trace.hpp.

    ◆ DW_TRACE_ASYNC_END

    #define DW_TRACE_ASYNC_END (   ...)    dw::trace::TraceFunctions::dwTraceAsyncEnd(__VA_ARGS__)

    This API should be paired with DW_TRACE_ASYNC_BEGIN.

    Parameters
    [in]chanSpecifies channels where trace has to be placed.
    [in]tagUnique string for every trace.
    [in]level[optional] If not mentioned DW_TRACE_LEVEL_DEFAULT is used.
    [in]payload[optional] Default is null string

    Definition at line 135 of file Trace.hpp.

    ◆ DW_TRACE_BEGIN

    #define DW_TRACE_BEGIN (   ...)    dw::trace::TraceFunctions::dwTraceBegin(__VA_ARGS__)

    This API is used to determine time taken by specific lines or function in code.

    Measures CPU time.

    Parameters
    [in]chanSpecifies channels where trace has to be placed.
    [in]tagUnique string for every trace.
    [in]level[optional] If not mentioned DW_TRACE_LEVEL_DEFAULT is used.
    [in]payload[optional] Default is null string

    Definition at line 105 of file Trace.hpp.

    ◆ DW_TRACE_BIND_OUTPUT

    #define DW_TRACE_BIND_OUTPUT (   ...)    dw::trace::TraceFunctions::dwTraceBindOutput(__VA_ARGS__)

    Definition at line 244 of file Trace.hpp.

    ◆ DW_TRACE_BOOT_PROFILER

    #define DW_TRACE_BOOT_PROFILER (   msg)

    Interface into the bootprofiler tool.

    See http://sw-mobile-docs.nvidia.com/DRAFT/V6Q_ORIN_SDK/common/topics/util_setup/boot-profiler-utilities.html for documentation.

    Parameters
    [in]msgThe string that should be logged alongside the timestamp

    Definition at line 308 of file Trace.hpp.

    ◆ DW_TRACE_CORE_INIT

    #define DW_TRACE_CORE_INIT (   ...)    dw::trace::TraceFunctions::dwTraceCoreInit(__VA_ARGS__)

    Initialise DWTrace core from application.

    This init will not include internal buffer and backend management for file backend. Application need to provide buffers using DW_TRACE_BIND_OUTPUT and register callback DW_TRACE_REGISTER_CB for getting info if application provided buffer is full. Application needs to call this API to use tracing API's.

    Parameters
    [in]tracerCfgSpecific configuration values for DWTrace

    Definition at line 219 of file Trace.hpp.

    ◆ DW_TRACE_CUDA_BEGIN

    #define DW_TRACE_CUDA_BEGIN (   ...)    dw::trace::TraceFunctions::dwTraceCudaBegin(__VA_ARGS__)

    This API is used to determine time taken by specific tasks on GPU/DLA.

    Uses cudaDeviceSync implicitly to wait for GPU/DLA to finish its task.

    Parameters
    [in]chanSpecifies channels where trace has to be placed.
    [in]tagUnique string for every trace.
    [in]cudaStreamcudaStream on which task is queued.
    [in]level[optional] If not mentioned DW_TRACE_LEVEL_DEFAULT is used.
    [in]payload[optional] Default is null string

    Definition at line 146 of file Trace.hpp.

    ◆ DW_TRACE_CUDA_BEGIN_ASYNC

    #define DW_TRACE_CUDA_BEGIN_ASYNC (   ...)    DW_TRACE_CUDA_BEGIN(__VA_ARGS__)

    This API is used to determine time taken by specific tasks on GPU/DLA.

    Marks start of specific task using cudaEvent in cudaStream queue.

    Parameters
    [in]chanSpecifies channels where trace has to be placed.
    [in]tagUnique string for every trace.
    [in]cudaStreamcudaStream on which task is queued.
    [in]level[optional] If not mentioned DW_TRACE_LEVEL_DEFAULT is used.
    [in]payload[optional] Default is null string.

    Definition at line 167 of file Trace.hpp.

    ◆ DW_TRACE_CUDA_COLLECT_ALL

    #define DW_TRACE_CUDA_COLLECT_ALL ( )    dw::trace::TraceFunctions::dwTraceCudaCollectAll()

    This API should be paired with DW_TRACE_CUDA_BEGIN_ASYNC and DW_TRACE_CUDA_RECORD_ASYNC.

    Measures execution time on GPU/DLA using cudaEvents. This API uses start and end cuda events pushed by DW_TRACE_CUDA_BEGIN/RECORD_ASYNC to calculate execution time on GPU/DLA. Unlike DW_TRACE_CUDA_COLLECT_ASYNC, this API does not use cudaEventSyncronize. This API should be placed in code where we are sure that tasks on GPU/DLA have been finished. (cudaStream Queue) cudaStopEvent_B <– TaskB <— cudaStartEvent_B <–cudaStopEvent_A <–TaskA <–cudaStartEvent_A ExecutionTime_TaskB = cudaEventElapsedTime(cudaEventRecord(cudaStopEvent_B) - cudaElapsedTime(cudaStopEvent_B)) ExecutionTime_TaskA = cudaEventElapsedTime(cudaEventRecord(cudaStopEvent_A) - cudaElapsedTime(cudaStopEvent_A))

    Definition at line 209 of file Trace.hpp.

    ◆ DW_TRACE_CUDA_COLLECT_ASYNC

    #define DW_TRACE_CUDA_COLLECT_ASYNC (   ...)    dw::trace::TraceFunctions::dwTraceCudaCollectAsync(__VA_ARGS__)

    This API should be paired with DW_TRACE_CUDA_BEGIN_ASYNC and DW_TRACE_CUDA_RECORD_ASYNC.

    Measures execution time on GPU/DLA using cudaEvents. Uses cudaEventSynchronize implicitly to wait for GPU/DLA to finish its task. This API uses start and end cuda events pushed by DW_TRACE_CUDA_BEGIN/RECORD_ASYNC API's to calculate execution time on GPU/DLA. (cudaStream Queue) cudaStopEvent_B <– TaskB <— cudaStartEvent_B <–cudaStopEvent_A <–TaskA <–cudaStartEvent_A ExecutionTime_TaskB = cudaEventElapsedTime(cudaEventRecord(cudaStopEvent_B) - cudaElapsedTime(cudaStopEvent_B)) ExecutionTime_TaskA = cudaEventElapsedTime(cudaEventRecord(cudaStopEvent_A) - cudaElapsedTime(cudaStopEvent_A))

    Parameters
    [in]chanSpecifies channels where trace has to be placed.
    [in]tagUnique string for every trace.
    [in]cudaStreamcudaStream on which task is queued.
    [in]level[optional] If not mentioned DW_TRACE_LEVEL_DEFAULT is used.
    [in]payload[optional] Default is null string.

    Definition at line 195 of file Trace.hpp.

    ◆ DW_TRACE_CUDA_END

    #define DW_TRACE_CUDA_END (   ...)    dw::trace::TraceFunctions::dwTraceCudaEnd(__VA_ARGS__)

    This API should be paired with DW_TRACE_CUDA_BEGIN.

    Parameters
    [in]chanSpecifies channels where trace has to be placed.
    [in]tagUnique string for every trace.
    [in]cudaStreamcudaStream on which task is queued.
    [in]level[optional] If not mentioned DW_TRACE_LEVEL_DEFAULT is used.
    [in]payload[optional] Default is null string

    Definition at line 156 of file Trace.hpp.

    ◆ DW_TRACE_CUDA_RECORD_ASYNC

    #define DW_TRACE_CUDA_RECORD_ASYNC (   ...)    dw::trace::TraceFunctions::dwTraceCudaRecordAsync(__VA_ARGS__)

    Marks end of specific task using cudaEvent in cudaStream queue.

    Parameters
    [in]chanSpecifies channels where trace has to be placed.
    [in]tagUnique string for every trace.
    [in]cudaStreamcudaStream on which task is queued.
    [in]level[optional] If not mentioned DW_TRACE_LEVEL_DEFAULT is used.
    [in]payload[optional] Default is null string.

    Definition at line 177 of file Trace.hpp.

    ◆ DW_TRACE_CUDA_SCOPE

    #define DW_TRACE_CUDA_SCOPE (   ...)
    Value:
    dw::trace::CudaScopeTraceEvent DW_UNIQUE_VAR(cudaTraceEvent_){false, __VA_ARGS__}; \
    dw::trace::TraceFunctions::dwTraceCudaBegin(__VA_ARGS__);
    DW_UNIQUE_VAR
    #define DW_UNIQUE_VAR(name)
    Definition: Trace.hpp:67
    dw::trace::TraceFunctions::dwTraceCudaBegin
    static void dwTraceCudaBegin(TraceChannel const chan, dwtFixedString_t const &name=dwtFixedString_t(""), cudaStream_t const stream=nullptr, Level const level=DW_TRACE_LEVEL_DEFAULT, dwtFixedString_t const &payload=dwtFixedString_t(""))

    This API is used to measure GPU execution time across scope.

    For this API, there is no need to pair with DW_TRACE_CUDA_END. DW_TRACE_CUDA_END will be inserted automatically when program execution goes out of scope.

    Parameters
    [in]chanSpecifies channels where trace has to be placed.
    [in]tagUnique string for every trace.
    [in]cudaStreamcudaStream on which task is queued.
    [in]level[optional] If not mentioned DW_TRACE_LEVEL_DEFAULT is used.
    [in]payload[optional] Default is null string.

    Definition at line 280 of file Trace.hpp.

    ◆ DW_TRACE_CUDA_SCOPE_ASYNC

    #define DW_TRACE_CUDA_SCOPE_ASYNC (   ...)
    Value:
    dw::trace::CudaScopeTraceEvent DW_UNIQUE_VAR(cudaTraceEvent_){true, __VA_ARGS__}; \
    dw::trace::TraceFunctions::dwTraceCudaBegin(__VA_ARGS__);

    This API is used to measure GPU execution time across scope.

    For this API, there is no need to pair with DW_TRACE_CUDA_ASYNC_END. DW_TRACE_CUDA_ASYNC_END will be inserted automatically when program execution goes out of scope.

    Parameters
    [in]chanSpecifies channels where trace has to be placed.
    [in]tagUnique string for every trace.
    [in]cudaStreamcudaStream on which task is queued.
    [in]level[optional] If not mentioned DW_TRACE_LEVEL_DEFAULT is used.
    [in]payload[optional] Default is null string.

    Definition at line 295 of file Trace.hpp.

    ◆ DW_TRACE_DISABLE

    #define DW_TRACE_DISABLE (   chan_mask)    dw::trace::TraceFunctions::dwTraceDisable(chan_mask)

    Disables tracing for specific channels.

    Parameters
    [in]chan_maskDisables specific channels in DWTrace.

    Definition at line 81 of file Trace.hpp.

    ◆ DW_TRACE_ENABLE

    #define DW_TRACE_ENABLE (   chan_mask,
      level 
    )    dw::trace::TraceFunctions::dwTraceEnable(chan_mask, level)

    This API configures DWTrace.

    Parameters
    [in]chan_maskEnables specific channels in DWTrace.
    [in]levelTracing API's called with level greater than this value wont appear in tracing file.

    Definition at line 75 of file Trace.hpp.

    ◆ DW_TRACE_ENABLE_ALL

    #define DW_TRACE_ENABLE_ALL ( )    dw::trace::TraceFunctions::dwTraceEnableAll()

    Enables all channels in DWTrace.

    Definition at line 86 of file Trace.hpp.

    ◆ DW_TRACE_END

    #define DW_TRACE_END (   ...)    dw::trace::TraceFunctions::dwTraceEnd(__VA_ARGS__)

    This API should be paired with DW_TRACE_BEGIN.

    Marks end of tracing for trace specified by tag string.

    Parameters
    [in]chanSpecifies channels where trace has to be placed.
    [in]tagUnique string for every trace.
    [in]level[optional] If not mentioned DW_TRACE_LEVEL_DEFAULT is used.
    [in]payload[optional] Default is null string

    Definition at line 115 of file Trace.hpp.

    ◆ DW_TRACE_FLUSH

    #define DW_TRACE_FLUSH (   isForce)    dw::trace::TraceFunctions::dwTraceFlush(isForce)

    DWTrace uses buffer for storing traces, these traces are written to backends periodically based on configuration value provided when DW_TRACE_INIT is called.

    This API can be used to force DWTrace to flush traces to backends.

    Definition at line 253 of file Trace.hpp.

    ◆ DW_TRACE_GET_MACRO_2

    #define DW_TRACE_GET_MACRO_2 (   _1,
      _2,
      NAME,
      ... 
    )    NAME

    Definition at line 47 of file Trace.hpp.

    ◆ DW_TRACE_GET_MACRO_5

    #define DW_TRACE_GET_MACRO_5 (   _1,
      _2,
      _3,
      _4,
      _5,
      NAME,
      ... 
    )    NAME

    Definition at line 48 of file Trace.hpp.

    ◆ DW_TRACE_INIT

    #define DW_TRACE_INIT (   ...)
    Value:
    dw::trace::TraceFunctions::dwTraceCoreInit(__VA_ARGS__); \
    dw::trace::TraceFunctions::dwTraceWrapperInit(__VA_ARGS__);
    dw::trace::TraceFunctions::dwTraceWrapperInit
    static void dwTraceWrapperInit(TracerConfig const tracerCfg)
    dw::trace::TraceFunctions::dwTraceCoreInit
    static void dwTraceCoreInit(TracerConfig tracerCfg)

    Initialise DWTrace from application.

    Meant for application which do not wish for handling its own file backend. Application needs to call this API to use tracing API's.

    Parameters
    [in]tracerCfgSpecific configuration values for DWTrace

    Definition at line 227 of file Trace.hpp.

    ◆ DW_TRACE_MARK

    #define DW_TRACE_MARK (   ...)    dw::trace::TraceFunctions::dwTraceMark(__VA_ARGS__)

    API to mark specific instant in program.

    Parameters
    [in]chanSpecifies channels where trace has to be placed.
    [in]tagUnique string for every trace.
    [in]level[optional] If not mentioned DW_TRACE_LEVEL_DEFAULT is used.
    [in]payload[optional] Default is null string.

    Definition at line 95 of file Trace.hpp.

    ◆ DW_TRACE_PAYLOAD

    #define DW_TRACE_PAYLOAD (   ...)
    Value:
    DW_TRACE_GET_MACRO_2(__VA_ARGS__, DW_TRACE_PAYLOAD2, DW_TRACE_PAYLOAD1) \
    (__VA_ARGS__)
    DW_TRACE_GET_MACRO_2
    #define DW_TRACE_GET_MACRO_2(_1, _2, NAME,...)
    Definition: Trace.hpp:47
    DW_TRACE_PAYLOAD1
    #define DW_TRACE_PAYLOAD1(STR1)
    Definition: Trace.hpp:61
    DW_TRACE_PAYLOAD2
    #define DW_TRACE_PAYLOAD2(STR1, STR2)
    Definition: Trace.hpp:62

    Definition at line 58 of file Trace.hpp.

    ◆ DW_TRACE_PAYLOAD1

    #define DW_TRACE_PAYLOAD1 (   STR1)    dw::trace::TraceFunctions::singlePayload(STR1)

    Definition at line 61 of file Trace.hpp.

    ◆ DW_TRACE_PAYLOAD2

    #define DW_TRACE_PAYLOAD2 (   STR1,
      STR2 
    )    dw::trace::TraceFunctions::joinPayloadChars(STR1, STR2)

    Definition at line 62 of file Trace.hpp.

    ◆ DW_TRACE_REGISTER_CB

    #define DW_TRACE_REGISTER_CB (   ...)    dw::trace::TraceFunctions::dwTraceRegisterCallback(__VA_ARGS__)

    Definition at line 246 of file Trace.hpp.

    ◆ DW_TRACE_RESET

    #define DW_TRACE_RESET (   ...)
    Value:
    dw::trace::TraceFunctions::dwTraceReset(__VA_ARGS__); \
    dw::trace::TraceFunctions::dwTraceWrapperDeinit(__VA_ARGS__);
    dw::trace::TraceFunctions::dwTraceWrapperDeinit
    static void dwTraceWrapperDeinit()
    dw::trace::TraceFunctions::dwTraceReset
    static void dwTraceReset()

    Reset DWTrace core and DeInitialise DWTrace Wrapper.

    Definition at line 234 of file Trace.hpp.

    ◆ DW_TRACE_RESET_WRAPPER

    #define DW_TRACE_RESET_WRAPPER (   ...)     dw::trace::TraceFunctions::dwTraceWrapperReset(__VA_ARGS__);

    Reset DWTrace Wrapper.

    Definition at line 241 of file Trace.hpp.

    ◆ DW_TRACE_SCOPE

    #define DW_TRACE_SCOPE (   ...)
    Value:
    dw::trace::CpuScopeTraceEvent DW_UNIQUE_VAR(cpuTraceEvent_){__VA_ARGS__}; \
    dw::trace::TraceFunctions::dwTraceBegin(__VA_ARGS__);
    dw::trace::TraceFunctions::dwTraceBegin
    static void dwTraceBegin(TraceChannel const chan, dwtFixedString_t const &name=dwtFixedString_t(""), Level const level=DW_TRACE_LEVEL_DEFAULT, dwtFixedString_t const &payload=dwtFixedString_t(""), dw::core::Optional< uint64_t > const nvtxPayload=dw::core::NULLOPT)

    This API is used to measure CPU execution time across scope.

    For this API, there is no need to pair with DW_TRACE_END. DW_TRACE_END will be inserted automatically when program execution goes out of scope.

    Parameters
    [in]chanSpecifies channels where trace has to be placed.
    [in]tagUnique string for every trace.
    [in]level[optional] If not mentioned DW_TRACE_LEVEL_DEFAULT is used.
    [in]payload[optional] Default is null string.

    Definition at line 265 of file Trace.hpp.

    ◆ DW_TRACE_TAG

    #define DW_TRACE_TAG (   ...)     dw::trace::dwtFixedString_t(DW_TRACE_GET_MACRO_5(__VA_ARGS__, DW_TRACE_TAG5, DW_TRACE_TAG4, DW_TRACE_TAG3, DW_TRACE_TAG2, DW_TRACE_TAG1)(__VA_ARGS__))

    Definition at line 50 of file Trace.hpp.

    ◆ DW_TRACE_TAG1

    #define DW_TRACE_TAG1 (   STR1)    (STR1)

    Definition at line 52 of file Trace.hpp.

    ◆ DW_TRACE_TAG2

    #define DW_TRACE_TAG2 (   STR1,
      STR2 
    )    (STR1 "@" STR2)

    Definition at line 53 of file Trace.hpp.

    ◆ DW_TRACE_TAG3

    #define DW_TRACE_TAG3 (   STR1,
      STR2,
      STR3 
    )    (STR1 ":" STR2 "@" STR3)

    Definition at line 54 of file Trace.hpp.

    ◆ DW_TRACE_TAG4

    #define DW_TRACE_TAG4 (   STR1,
      STR2,
      STR3,
      STR4 
    )    (STR1 ":" STR2 ":" STR3 "@" STR4)

    Definition at line 55 of file Trace.hpp.

    ◆ DW_TRACE_TAG5

    #define DW_TRACE_TAG5 (   STR1,
      STR2,
      STR3,
      STR4,
      STR5 
    )    (STR1 ":" STR2 ":" STR3 ":" STR4 "@" STR5)

    Definition at line 56 of file Trace.hpp.

    ◆ DW_UNIQUE_VAR

    #define DW_UNIQUE_VAR (   name)    DW_CONCAT(name, __LINE__)

    Definition at line 67 of file Trace.hpp.

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