src/usr.bin/ktrace/ktrace.1 - diff

Return to ktrace.1 CVS log

Up to [local] / src / usr.bin / ktrace

version 1.7, 1999/06/05 01:21:28

version 1.8, 2000/03/04 15:53:40

Line 53

.Sh DESCRIPTION

.Nm ktrace

enables kernel trace logging for the specified processes.

Kernel trace data is logged to the file

By default, kernel trace data is logged to the file

.Pa ktrace.out .

.Pa ktrace.out ,

unless overridden by the

.Fl f

option.

The kernel operations that are traced include system calls, namei

translations, signal processing, and

.Tn I/O .

Line 62

Line 65

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

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:

Line 159

Line 162

.Pp

# disable tracing of all processes owned by the user

.Dl $ ktrace -C

.Sh FILES

.Bl -tag -width ktrace.out -compact

.It Pa ktrace.out

default ktrace dump file

.El

.Sh SEE ALSO

.Xr kdump 1

.Sh HISTORY