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TImestamping in ANT

TImestamping in ANT

2007-07-19       - By Wascally Wabbit
Reply:     1     2     3     4     5     6     7     8     9     10     >>  

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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