@echo off

rem   $Id: jmeter.bat,v 1.30 2005/03/18 15:26:54 mstover1 Exp $
rem   Copyright 2001-2004 The Apache Software Foundation
rem 
rem   Licensed under the Apache License, Version 2.0 (the "License");
rem   you may not use this file except in compliance with the License.
rem   You may obtain a copy of the License at
rem 
rem       http://www.apache.org/licenses/LICENSE-2.0
rem 
rem   Unless required by applicable law or agreed to in writing, software
rem   distributed under the License is distributed on an "AS IS" BASIS,
rem   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
rem   See the License for the specific language governing permissions and
rem   limitations under the License.

if .%JM_LAUNCH% == . set JM_LAUNCH=java.exe

if not "%OS%"=="Windows_NT" goto win9xStart
:winNTStart
@setlocal

rem Need to check if we are using the 4NT shell...
if "%eval[2+2]" == "4" goto setup4NT

if exist jmeter.bat goto winNT1
echo Changing to JMeter home directory
cd /D %~dp0

:winNT1
rem On NT/2K grab all arguments at once
set JMETER_CMD_LINE_ARGS=%*
goto doneStart

:setup4NT
set JMETER_CMD_LINE_ARGS=%$
goto doneStart

:win9xStart
rem Slurp the command line arguments.  This loop allows for an unlimited number of 
rem agruments (up to the command line limit, anyway).

set JMETER_CMD_LINE_ARGS=

:setupArgs
if %1a==a goto doneStart
set JMETER_CMD_LINE_ARGS=%JMETER_CMD_LINE_ARGS% %1
shift
goto setupArgs

:doneStart
rem This label provides a place for the argument list loop to break out 
rem and for NT handling to skip to.

rem See the unix startup file for the rationale of the following parameters,
rem including some tuning recommendations
set HEAP=-Xms256m -Xmx256m
set NEW=-XX:NewSize=128m -XX:MaxNewSize=128m
set SURVIVOR=-XX:SurvivorRatio=8 -XX:TargetSurvivorRatio=50%
set TENURING=-XX:MaxTenuringThreshold=2
set EVACUATION=-XX:MaxLiveObjectEvacuationRatio=20%
set RMIGC=-Dsun.rmi.dgc.client.gcInterval=600000 -Dsun.rmi.dgc.server.gcInterval=600000
set PERM=-XX:PermSize=64m -XX:MaxPermSize=64m
set DEBUG=-verbose:gc -XX:+PrintTenuringDistribution

rem Additional settings that might help improve GUI performance on some platforms
rem See: http://java.sun.com/products/java-media/2D/perf_graphics.html

set DDRAW=
rem  Setting this flag to true turns off DirectDraw usage, which sometimes helps to get rid of a lot of rendering problems on Win32.
rem set DDRAW=%DDRAW% -Dsun.java2d.noddraw=true

rem  Setting this flag to false turns off DirectDraw offscreen surfaces acceleration by forcing all createVolatileImage calls to become createImage calls, and disables hidden acceleration performed on surfaces created with createImage .
rem set DDRAW=%DDRAW% -Dsun.java2d.ddoffscreen=false

rem Setting this flag to true enables hardware-accelerated scaling.
rem set DDRAW=%DDRAW% -Dsun.java2d.ddscale=true

rem Collect the settings defined above
set ARGS=%HEAP% %NEW% %SURVIVOR% %TENURING% %EVACUATION% %RMIGC% %PERM% %DEBUG% %DDRAW%

%JM_START% %JM_LAUNCH% %JVM_ARGS% %ARGS% -jar ApacheJMeter*.jar %JMETER_CMD_LINE_ARGS%