Avoid small buffer copying on write
[zfs.git] / tests / zfs-tests / callbacks / zfs_dmesg.ksh
blob3d8191de57a07f2006e09035f36d97266ebed766
1 #!/bin/ksh -p
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.
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.
15 # Copyright (c) 2016 by Delphix. All rights reserved.
16 # Copyright (c) 2017 Lawrence Livermore National Security, LLC.
19 # $1: number of lines to output (default: 200)
20 typeset lines=${1:-200}
22 echo "================================================================="
23 echo " Tailing last $lines lines of dmesg log"
24 echo "================================================================="
26 sudo dmesg | tail -n $lines
28 echo "================================================================="
29 echo " End of dmesg log"
30 echo "================================================================="