From 1fbff2d1469adca30c459b95020cf18871f5d315 Mon Sep 17 00:00:00 2001 From: Suleiman Souhlal Date: Tue, 25 Jan 2005 14:17:38 +0000 Subject: [PATCH] Mention that 'options ALQ' is required when using KTR_ALQ. Approved by: simon, trhodes, grehan (mentor) --- share/man/man4/ktr.4 | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/share/man/man4/ktr.4 b/share/man/man4/ktr.4 index 3b381e991539..6f75ccd99f23 100644 --- a/share/man/man4/ktr.4 +++ b/share/man/man4/ktr.4 @@ -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