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How to trace the runtime of methods? [message #66979]

Tue, 12 September 2006 13:50

Eclipse User

Originally posted by: formatzeh.gmx.de

Hello Newsgroup,
I want to trace the runtime of methods by using
System.currentTimeMillis(). So first I had a class variable which was
set in the before-advice and was subtracted in the after-advice and then
printed to the output-stream. But then I recognized when there are
nested calls to methods that the runtime of the outer method isn't
correct. Well it is correct because the class variable was set in the
last nested method. So the subtraction results a wrong value. So my idea
was to pass a Calendar-Object from before to after-advice. so that every
method-call has it's own Calendar-Object. But how do I realize this? Is
it possible in some way? Sorry for my bad English - my German is better ;)

greetz
Gilbert Mirenque

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Re: How to trace the runtime of methods? [message #66990 is a reply to message #66979]

Wed, 13 September 2006 03:54

Jean Arcand

Messages: 2
Registered: July 2009

Junior Member

Hi Gilbert,

you could try using an around advice instead, something like this :

void around ():yourpointcut() {
long startTime, totalTime;
startTime = System.currentTimeMillis();
proceed();
totalTime = System.currentTimeMillis() - startTime;
}

Jean

> Hello Newsgroup,
> I want to trace the runtime of methods by using
> System.currentTimeMillis(). So first I had a class variable which was
> set in the before-advice and was subtracted in the after-advice and then
> printed to the output-stream. But then I recognized when there are
> nested calls to methods that the runtime of the outer method isn't
> correct. Well it is correct because the class variable was set in the
> last nested method. So the subtraction results a wrong value. So my idea
> was to pass a Calendar-Object from before to after-advice. so that every
> method-call has it's own Calendar-Object. But how do I realize this? Is
> it possible in some way? Sorry for my bad English - my German is better ;)
>
> greetz
> Gilbert Mirenque

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Re: How to trace the runtime of methods? [message #66999 is a reply to message #66990]

Wed, 13 September 2006 09:07

Eclipse User

Originally posted by: formatzeh.gmx.de

Jean Arcand wrote:
> Hi Gilbert,
>
> you could try using an around advice instead (..)

Thanks...that's it. I didn't remember that there is the around-advice.

Greetz
G.M.

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