1#!/bin/ksh -p
2
3#
4# This file and its contents are supplied under the terms of the
5# Common Development and Distribution License ("CDDL"), version 1.0.
6# You may only use this file in accordance with the terms of version
7# 1.0 of the CDDL.
8#
9# A full copy of the text of the CDDL should have accompanied this
10# source.  A copy of the CDDL is also available via the Internet at
11# http://www.illumos.org/license/CDDL.
12#
13
14#
15# Copyright (c) 2016 by Delphix. All rights reserved.
16#
17
18# $1: number of lines to output (default: 200)
19typeset lines=${1:-200}
20
21echo "================================================================="
22echo " Tailing last $lines lines of zfs_dbgmsg log"
23echo "================================================================="
24
25sudo tail -n $lines /proc/spl/kstat/zfs/dbgmsg
26
27# reset dbgmsg
28sudo bash -c "echo > /proc/spl/kstat/zfs/dbgmsg"
29
30echo "================================================================="
31echo " End of zfs_dbgmsg log"
32echo "================================================================="
33