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TraceTool Start Trace (G Dataflow)

Last Modified: February 27, 2020

Starts a trace session and logs VI and thread events from all VIs that begin executing after the TraceTool Start Trace node executes. You must ensure that you wire the TraceTool Start Trace node in sequence with all of the VIs that you want to log.

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detailed tracing?

Enables logging of analysis and custom events in the trace session. You must set the detailed tracing? input to TRUE to log analysis and custom events. The default is FALSE.

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buffer size

Defines the size of the memory buffer, in bytes, that logs all events from VIs in memory on the RT target. You must create an appropriately-sized memory buffer to capture all event data. You must not exceed the memory buffer size. Otherwise, the log file may become unusable because overflow may occur from multiple event sources and at different speeds.

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Note

You cannot change the size of the memory buffer on the RT target after you run the TraceTool Start Trace node. You must reboot the RT target to resize the memory buffer.

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thread tracing?

Enables the logging of thread event data from the application running on the RT target. The default is TRUE.

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VI tracing?

Enables the logging of VI event data from the application running on the RT target. The default is TRUE.

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error in

Error conditions that occur before this node runs. Unlike most nodes, this node runs normally even if an error occurs before this node runs.

Default: no error

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actual buffer size

Actual size of the memory buffer, in bytes, allocated for event logging if the real-time operating system cannot allocate the requested buffer size.

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error out

Error information.

Unlike most nodes, this node runs normally even if error in contains an error.

Where This Node Can Run:

Desktop OS: Windows

FPGA: Not supported

Web Server: Not supported in VIs that run in a web application


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