Written in | C[citation needed] |
---|---|
Operating system | BSD Unix and Mac OS X |
Available in | English |
Type | Tracing |
The strace project has been moved to is a diagnostic, debugging and instructional userspace tracer for Linux. It is used to monitor and tamper with interactions between userspace processes and the Linux kernel, which include system calls, signal deliveries, and changes of process state. Strace - the linux syscall tracer. This is strace- a diagnostic, debugging and instructional userspace utility with a traditional command-line interface for Linux.It is used to monitor and tamper with interactions between processes and the Linux kernel, which include system calls.
Strace Pid
ktrace is a utility included with certain versions of BSD Unix and Mac OS X that traceskernel interaction with a program and dumps it to disk for the purposes of debugging and analysis. Traced kernel operations include system calls, namei translations, signal processing, and I/O.[1]
ktrace is somewhat similar to Linux's strace, except for being much faster – with strace, every system call executed by the traced program requires context switch to the tracing program and back, while the tracing with ktrace is actually performed by the kernel, so no additional context switches are required.[citation needed]
Trace files generated by ktrace (named ktrace.out by default) can be viewed in human-readable form by using the kdump utility.[2]
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Since Mac OS X 10.5 Leopard, ktrace has been replaced by DTrace.
See also[edit]
- Dtrace, Sun Microsystems's trace version, now running on OpenSolaris, FreeBSD and OS X Leopard
- kdump (Linux), Linux kernel's crash dump mechanism, which internally uses kexec
- trace on Linux, part of the Linux Trace Toolkit
Mac Os Strace
References[edit]
- ^'ktrace'. freebsd.org. 2012-05-31. Retrieved 2014-07-23.
- ^'kdump'. freebsd.org. 2014-03-28. Retrieved 2014-07-23.
Mac Strace Command
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