[src/trunk]: src/lib/libp2k Document how to get debug info for the mount.

[pooka <pooka%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/9fc7c72a8666
branches:  trunk
changeset: 760566:9fc7c72a8666
user:      pooka <pooka%NetBSD.org@localhost>
date:      Fri Jan 07 15:50:40 2011 +0000

description:
Document how to get debug info for the mount.

diffstat:

 lib/libp2k/p2k.3 |  10 ++++++++--
 1 files changed, 8 insertions(+), 2 deletions(-)

diffs (31 lines):

diff -r 58ba03c1b575 -r 9fc7c72a8666 lib/libp2k/p2k.3
--- a/lib/libp2k/p2k.3  Fri Jan 07 15:47:14 2011 +0000
+++ b/lib/libp2k/p2k.3  Fri Jan 07 15:50:40 2011 +0000
@@ -1,4 +1,4 @@
-.\"     $NetBSD: p2k.3,v 1.8 2010/05/20 05:43:54 jruoho Exp $
+.\"     $NetBSD: p2k.3,v 1.9 2011/01/07 15:50:40 pooka Exp $
 .\"
 .\" Copyright (c) 2008 Antti Kantee.  All rights reserved.
 .\"
@@ -23,7 +23,7 @@
 .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 .\" SUCH DAMAGE.
 .\"
-.Dd May 20, 2010
+.Dd January 7, 2011
 .Dt P2K 3
 .Os
 .Sh NAME
@@ -100,6 +100,12 @@
 .Bl -tag -width "XP2K_NOCACHE_PAGE" -offset 2n
 .It Dv P2K_DEBUG
 Do not detach from tty and print information about each puffs operation.
+In case the daemon receives
+.Dv SIGINFO
+(typically from ctrl-T), it dumps out the status of the mount point.
+Sending
+.Dv SIGUSR1
+causes a dump of all the vnodes (verbose).
 .It Dv P2K_NODETACH
 Do not detach from tty.
 .It Dv P2K_NOCACHE_PAGE