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ktrace

Kernel process trace logging for the individual processes.

Free Open Source
Mac
BSD
FreeBSD

The ktrace utility enables kernel trace logging for the specified processes. Kernel trace data is logged to the file ktrace.out. The kernel operations that are traced include system calls, namei translations, signal processing, and I/O.

Once tracing is enabled on a process, trace data will be logged until either the process exits or the trace point is cleared. A traced process can generate enormous amounts of log data quickly; It is strongly suggested that users memorize how to disable tracing before attempting to trace a process. The following command is sufficient to disable tracing on all user-owned processes, and, if executed by root, all processes:... More Info »

$ ktrace -C

The trace file is not human readable; use kdump(1) to decode it.

The utility may be used only with a kernel that has been built with the "KTRACE" option in the kernel configuration file.

Link to official ktrace site

Official Website

Features

Debugger Developer Tools Add a feature

Categories

Development OS & Utilities

Tags

os-kernel software-development tracing

ktrace was added by AlternativeSteve in May 2016 and the latest update was made in Feb 2019. The list of alternatives was updated May 2016. It's possible to update the information on ktrace or report it as discontinued, duplicated or spam.

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