Filebench WML is an actively used programming language created in 2011. Filebench is a file system and storage benchmark that can generate a large variety of workloads. Unlike typical benchmarks it is extremely flexible and allows to specify application's I/O behavior using its extensive Workload Model Language (WML).

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Example code from Linguist:

# 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
# 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]
# Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
# Use is subject to license terms.

set $dir=/tmp
set $nfiles=1000
set $meandirwidth=20
set $meanfilesize=16k
set $iosize=1m
set $nthreads=1

set mode quit firstdone

define fileset name=bigfileset,path=$dir,size=$meanfilesize,entries=$nfiles,dirwidth=$meandirwidth,prealloc=100,paralloc
define fileset name=destfiles,path=$dir,size=$meanfilesize,entries=$nfiles,dirwidth=$meandirwidth

define process name=filereader,instances=1
  thread name=filereaderthread,memsize=10m,instances=$nthreads
    flowop openfile name=openfile1,filesetname=bigfileset,fd=1
    flowop readwholefile name=readfile1,fd=1,iosize=$iosize
    flowop createfile name=createfile2,filesetname=destfiles,fd=2
    flowop writewholefile name=writefile2,fd=2,srcfd=1,iosize=$iosize
    flowop closefile name=closefile1,fd=1
    flowop closefile name=closefile2,fd=2

echo  "Copyfiles Version 3.0 personality successfully loaded"

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Last updated August 9th, 2020

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