1#!/bin/bash 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# 19# This test attempts to stress the interaction between threads adding 20# and deleting datalinks, and those reading kstats associated with 21# those datalinks. 22# 23 24RUNFILE=$(mktemp) 25linkname1=laverne0 26linkname2=shirley0 27duration=20 # seconds 28 29# 30# Delete any potential datalinks left behind by the etherstub function. 31# 32function cleanup 33{ 34 rm -f $RUNFILE 35} 36 37function etherstub 38{ 39 while [[ -e $RUNFILE ]]; do 40 dladm create-etherstub -t $linkname1 41 dladm rename-link $linkname1 $linkname2 42 dladm delete-etherstub -t $linkname2 43 done 44} 45 46function readkstat 47{ 48 local linkname=$1 49 while [[ -e $RUNFILE ]]; do 50 kstat link:0:$linkname &>/dev/null 51 done 52} 53 54trap "cleanup; exit" SIGHUP SIGINT SIGTERM 55 56etherstub & 57readkstat $linkname1 & 58readkstat $linkname1 & 59readkstat $linkname2 & 60readkstat $linkname2 & 61 62sleep $duration 63cleanup 64 65wait 66 67exit 0 68