[hibernate-dev] taking timings

[Hardy Ferentschik]

Thanks for the tip with japex and  byteman (know I know what you can do  
with it - always wondered)

In my case perf4j seems still to be the better fit. I am not trying to do  
a one time profiling, but
rather implement a built-in component which can be queried for example via  
JMX. Very much like the Statistics
bean/class in Core.

Given that I am not happy with everything in perf4j, I'll probably go with  
Emmanuel's recommendation
and implement my own stuff maybe with some inspiration from perf4j :)

--Hardy

On Wed, 07 Jul 2010 10:24:17 +0200, Juraci Paixao Krohling  
<jcosta at redhat.com> wrote:

> On 07/06/2010 07:05 PM, Hardy Ferentschik wrote:
>> I am looking into collection some statistics for HSearch. I am for  
>> example
>> interested in measuring the  Lucene query execution time and the  
>> Hibernate
>> Core "object loading" time.
>
> If you just need timings for some methods, you can write a few Byteman
> rules to measure the time spent in those individual methods:
>
> http://www.jboss.org/byteman
>
> It attaches to the JVM as a Java Agent (like the profiling tools).
>
> - Juca.
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