svn commit: r206633 - head/share/man/man4
Julian Elischer
julian at FreeBSD.org
Wed Apr 14 21:44:14 UTC 2010
Author: julian
Date: Wed Apr 14 21:44:14 2010
New Revision: 206633
URL: http://svn.freebsd.org/changeset/base/206633
Log:
Man page change to documant slight change in ktr_alq behaviour.
Modified:
head/share/man/man4/ktr.4
Modified: head/share/man/man4/ktr.4
==============================================================================
--- head/share/man/man4/ktr.4 Wed Apr 14 21:42:29 2010 (r206632)
+++ head/share/man/man4/ktr.4 Wed Apr 14 21:44:14 2010 (r206633)
@@ -122,7 +122,7 @@ option sets the flag to one.
The KTR buffer can be examined from within
.Xr ddb 4
via the
-.Ic show ktr Op Cm /v
+.Ic show ktr Op Cm /vV
command.
This command displays the contents of the trace buffer one page at a time.
At the
@@ -136,6 +136,10 @@ If the
.Cm /v
modifier is specified, then they are displayed in addition to the normal
output.
+If the
+.Cm /V
+modifier is specified, then just the timestamp is displayed in
+addition to the normal output.
Note that the events are displayed in reverse chronological order.
That is, the most recent events are displayed first.
.Ss Logging ktr to Disk
@@ -167,7 +171,9 @@ the next invocation.
enables logging of
.Nm
entries to disk if it is set to one.
-Setting this to 0 will terminate logging.
+Setting this to 0 will terminate logging to disk and revert to
+logging to the normal ktr ring buffer.
+Data is not sent to the ring buffer while logging to disk.
.It Va debug.ktr.alq_max
is the maximum number of entries that will be recorded to disk, or 0 for
infinite.
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