Re: DTrace-like analysis possible with future Linux kernels?

David S. Miller
2004-08-24T00:45:58Z

On Mon, 23 Aug 2004 21:48:57 +0200 (CEST)
Robert Milkowski <milek@rudy.mif.pg.gda.pl> wrote:

> >> [1] Remember: if you want profile some part of code you mast _first_
> >> (re)compile them with profiling enabled. If you wand debug some code
> >
> > OProfile doesn't require this.
>
> I must admit I don't know OProfile.
> But can you profile already running application without interuption (not
> to mention stopping it) to it?

Yes, this is exactly what oprofile allows you to do.
Same with things like valgrind.