On Jan 19, 2008 10:30 AM, Roman Shaposhnik <[EMAIL PROTECTED]> wrote:
> On Fri, 2008-01-18 at 16:33 -0500, Colin Burgess wrote:
> > I see Intel has released a new tool.  Oh, it requires some patches to
> > the kernel to record
> > latency times.  Good thing people don't mind patching their kernels, eh?
> >
> > So who can write the equivalent latencytop.d the fastest? ;-)
> >
> > http://www.latencytop.org/
>
> What I find interesting about these projects that Intel
> spawns for Linux (PowerTOP, LatencyTOP and couple of others)
> is that regardless of internal implementation they are
> very useful end user tools. Here at Sun we seem to be
> missing interest in creating such things. Which is a bit of a
> shame. They are ideal vehicles for disseminating DTrace
> knowledge and exposing neophytes to the raw power of DTrace.
>
> To be fair Greg's DTrace toolkit helps in that respect, but
> still it sets the bar pretty high for anybody who would
> like to use it.
>
> It is easy to poke fun at LatencyTOP, but asking the right
> question could sometimes be even more important than
> being able to deliver the answer.
>
> Just my 2c.
>
> Thanks,
> Roman.
>
> P.S. I was able to extend the battery time of my Linux laptop
> 1.5x using PowerTOP. Can the same thing be done with DTrace?
> Perhaps it can, but I don't think I can code it up.

Solaris PowerTOP is almost done.
http://www.opensolaris.org/os/project/tesla/Work/Powertop/

-Aubrey
Intel OpenSolaris Team
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