ktrace
| ktrace | |
|---|---|
| Written in | C[1] |
| Operating system | BSD Unix and Mac OS X |
| Available in | English |
| Type | Tracing |
ktrace is a utility included with certain versions of BSD Unix and Mac OS X that traces kernel interaction with a program and dumps it to disk for the purposes of debugging and analysis. Traced kernel operations include system calls, name translations, signal processing, and I/O.[2]
Trace files generated by ktrace (named ktrace.out by default) can be viewed in human-readable form by using the kdump utility.[3]
Since Mac OS X Leopard, ktrace has been replaced by DTrace.[4] The identically-named ktrace program in recent macOS versions does not have the same functions as this utility.
See also
[edit]- DTrace, Sun Microsystems's trace version, now running on OpenSolaris, FreeBSD, macOS, and Windows
- kdump (Linux), Linux kernel's crash dump mechanism, which internally uses kexec
- SystemTap
- trace on Linux, part of the Linux Trace Toolkit
References
[edit]- ↑ "C source of ktrace utility in FreeBSD". cgit.freebsd.org. Retrieved 2024-03-07.
- ↑ "ktrace(1) manpage". freebsd.org. 2012-05-31. Retrieved 2014-07-23.
- ↑ "kdump(1) manpage". freebsd.org. 2014-03-28. Retrieved 2014-07-23.
- ↑ "What happened to ktrace and kdump". discussions.apple.com. 2008-10-17.
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