# # CDDL HEADER START # # The contents of this file are subject to the terms of the # Common Development and Distribution License (the "License"). # You may not use this file except in compliance with the License. # # You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE # or http://www.opensolaris.org/os/licensing. # See the License for the specific language governing permissions # and limitations under the License. # # When distributing Covered Code, include this CDDL HEADER in each # file and include the License file at usr/src/OPENSOLARIS.LICENSE. # If applicable, add the following below this CDDL HEADER, with the # fields enclosed by brackets "[]" replaced with your own identifying # information: Portions Copyright [yyyy] [name of copyright owner] # # CDDL HEADER END # # # Copyright 2008 Sun Microsystems, Inc. All rights reserved. # Use is subject to license terms. # # ident "%Z%%M% %I% %E% SMI" # Single threaded asynchronous ($sync) random appends (random I/Os # in the range of [1B - 1MB]) to a 1GB file. # Does a fsync after 10 ($iters) appends. # Stops after 1GB ($bytes) has been appended/written. set $dir=/tmp set $bytes=1g set $iosize=1m set $iters=10 set $nthreads=1 set $sync=false define file name=largefile,path=$dir,size=0,prealloc define process name=filecreater,instances=1 { thread name=filecreaterthread,memsize=10m,instances=$nthreads { flowop appendfilerand name=append-file,filename=largefile,dsync=$sync,iosize=$iosize,iters=$iters flowop fsync name=sync flowop finishonbytes name=finish,value=$bytes } } echo "FileMicro-CreateRand Version 2.1 personality successfully loaded" usage "Usage: set \$dir=<dir>" usage " set \$bytes=<value> defaults to $bytes" usage " set \$iosize=<size> defaults to $iosize" usage " set \$iters=<value> defaults to $iters" usage " set \$nthreads=<value> defaults to $nthreads" usage " set \$sync=<bool> defaults to $sync" usage " " usage " run runtime (e.g. run 60)"