d/freebsd-dev
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Mention that 'options ALQ' is required when using KTR_ALQ.

Browse Source 
Approved by:	simon, trhodes, grehan (mentor)
This commit is contained in:
Suleiman Souhlal 2005-01-25 14:17:38 +00:00
parent e5faa1a423
commit 1fbff2d146
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=140812
1 changed files with 5 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
share/man/man4/ktr.4
View File

@ -32,6 +32,7 @@
.Nd kernel tracing facility
.Sh SYNOPSIS
.Cd options KTR
.Cd options ALQ
.Cd options KTR_ALQ
.Cd options KTR_COMPILE=(KTR_LOCK|KTR_INTR|KTR_PROC)
.Cd options KTR_CPUMASK=0x3
@ -145,6 +146,9 @@ option can be used to log
entries to disk for post analysis using the
.Xr ktrdump 8
utility.
This option depends on the
.Dv ALQ
option.
Due to the potentially high volume of trace messages the trace mask should be
selected carefully.
This feature is configured through a group of sysctls.
@ -187,6 +191,7 @@ records the number of entries that have currently been written to disk.
.El
.Sh SEE ALSO
.Xr ktrdump 8 ,
.Xr alq 9 ,
.Xr ktr 9
.Sh HISTORY
The KTR kernel tracing facility first appeared in