1 #
   2 # CDDL HEADER START
   3 #
   4 # The contents of this file are subject to the terms of the
   5 # Common Development and Distribution License (the "License").
   6 # You may not use this file except in compliance with the License.
   7 #
   8 # You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
   9 # or http://www.opensolaris.org/os/licensing.
  10 # See the License for the specific language governing permissions
  11 # and limitations under the License.
  12 #
  13 # When distributing Covered Code, include this CDDL HEADER in each
  14 # file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  15 # If applicable, add the following below this CDDL HEADER, with the
  16 # fields enclosed by brackets "[]" replaced with your own identifying
  17 # information: Portions Copyright [yyyy] [name of copyright owner]
  18 #
  19 # CDDL HEADER END
  20 #
  21 #
  22 # Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
  23 # Use is subject to license terms.
  24 #
  25 # ident "%Z%%M% %I%     %E% SMI"
  26 
  27 # Single threaded asynchronous ($sync) random appends (random I/Os
  28 # in the range of [1B - 1MB]) to a 1GB file.
  29 # Does a fsync after 10 ($iters) appends.
  30 # Stops after 1GB ($bytes) has been appended/written.
  31 
  32 set $dir=/tmp
  33 set $bytes=1g
  34 set $iosize=1m
  35 set $iters=10
  36 set $nthreads=1
  37 set $sync=false
  38 
  39 define file name=largefile,path=$dir,size=0,prealloc
  40 
  41 define process name=filecreater,instances=1
  42 {
  43   thread name=filecreaterthread,memsize=10m,instances=$nthreads
  44   {
  45     flowop appendfilerand name=append-file,filename=largefile,dsync=$sync,iosize=$iosize,iters=$iters
  46     flowop fsync name=sync
  47     flowop finishonbytes name=finish,value=$bytes
  48   }
  49 }
  50 
  51 echo  "FileMicro-CreateRand Version 2.1 personality successfully loaded"
  52 usage "Usage: set \$dir=<dir>"
  53 usage "       set \$bytes=<value>    defaults to $bytes"
  54 usage "       set \$iosize=<size>    defaults to $iosize"
  55 usage "       set \$iters=<value>    defaults to $iters"
  56 usage "       set \$nthreads=<value> defaults to $nthreads"
  57 usage "       set \$sync=<bool>      defaults to $sync"
  58 usage " "
  59 usage "       run runtime (e.g. run 60)"