| TImestamping in ANT | TImestamping in ANT 2007-07-19 - By Wascally Wabbit
dkhanna01 wrote:
> I need to find out the time taken by each of the process/target in our
> build.xml file. Now for doing this I have use ANT tstamp task to calculate
> the start time and end time of the process. Now my question is how do I find
> out the total time taken by the process, I mean is there any way to
> calculate difference between "End time" and "Start time"
>
> Thanks
If you can use thirdparty libraries you can use the AntXtra's
<assign> task like so:
<target name="compile" depends="-init" description="Compile stuff">
<assign var="time" value="now"/>
...[all your compiling tasks here]
<assign var="time" value="-now" transform="duration"
copyproperty="compile.duration"/>
<echo level="info" message="compile took ${compile.duration}"/>
</target>
If you want to do this for lots of your targets you can leverage
macrodefs to do this for every target using something like:
<macrodef name="timedtarget">
<attribute name="name">
<attribute name="functions"/>
<sequential>
<assign var="time_" value="now"/>
<callinline targets="@{functions}"/> <!--do NOT switch projects-->
<assign var="time_" value="-now" transform="duration"
copyproperty="@{name}.duration"/>
<echo level="info" message="@{name} took ${@{name}.duration}"/>
</sequential>
</macrodef>
Then use it like so:
<target name="-compile">
...[all your compiling work here in private target]
</target>
<target name="compile" depends="-init" description="Compile stuff">
<timetarget name="compile" functions="-compile"/>
</target>
AntXtras is at: http://antxtras.sf.net/
Hope that helps.
-The Wabbit
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