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AIX Version 4 Files Reference

trace Special File


Supports event tracing.


The /dev/systrace and /dev/systrcctl special files support the monitoring and recording of selected system events. Minor device 0 of the trace drivers is the interface between processes that record trace events and the trace daemon. Write trace events to the /dev/systrace file by the trchk and trcgen subroutines and the trcgenk kernel service. Minor devices 1 through 7 of the trace drivers support generic trace channels for tracing system activities such as communications link activities.

Implementation Specifics

The trace special file is part of Software Trace Service Aids package.

Related Information

The trcgenk kernel service.

RAS Kernel Services in AIX Kernel Extensions and Device Support Programming Concepts.

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