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#!/bin/ksh -p
# SPDX-License-Identifier: CDDL-1.0
#
# This file and its contents are supplied under the terms of the
# Common Development and Distribution License ("CDDL"), version 1.0.
# You may only use this file in accordance with the terms of version
# 1.0 of the CDDL.
#
# A full copy of the text of the CDDL should have accompanied this
# source. A copy of the CDDL is also available via the Internet at
# http://www.illumos.org/license/CDDL.
#
#
# Copyright (c) 2016 by Delphix. All rights reserved.
#
# $1: number of lines to output (default: 200)
typeset lines=${1:-200}
echo "================================================================="
echo " Tailing last $lines lines of zfs_dbgmsg log"
echo "================================================================="
sudo tail -n $lines /proc/spl/kstat/zfs/dbgmsg
# reset dbgmsg
sudo bash -c "echo > /proc/spl/kstat/zfs/dbgmsg"
echo "================================================================="
echo " End of zfs_dbgmsg log"
echo "================================================================="
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