linux-kernel - Re: [PATCH -tip] perf_counter tools: shorten names for events

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Date:	Fri, 26 Jun 2009 21:36:39 +0530
From:	Jaswinder Singh Rajput <jaswinder@...nel.org>
To:	Ingo Molnar <mingo@...e.hu>
Cc:	Roland Dreier <rdreier@...co.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Peter Zijlstra <peterz@...radead.org>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH -tip] perf_counter tools: shorten names for events

On Thu, 2009-06-25 at 17:34 +0200, Ingo Molnar wrote:
> * Roland Dreier <rdreier@...co.com> wrote:
> 
> >  >       266590464  L1d-loads             (scaled from 23.03%)
> > 
> > IMHO "L1d" is too abbreviated for it to be obvious that it means 
> > L1 data cache.  If you want something really short maybe "L1-d$" 
> > might be a little clearer, but I stil like "L1-dcache" best.
> 
> i changed it to L1-d$ / L1-i$.
> 
> > The formatting of aligning things is nice defitely but we could 
> > also shorten lines by saying "scaled from" in fewer characters 
> > maybe?  (I have to admit I don't know what "scaled from X%" means 
> > in this case so I can't suggest something better, but the fact 
> > that I can't easily tell what it means probably suggests that the 
> > wording could be improved)
> 
> Indeed, the '(scaled from 12.3%)' message should i guess be changed 
> to:
> 
>   (9.43x scaled)
> 
> ( and a multiplicative factor is more expressive anyway, than the 
>   percentage of from where we scale up. )
> 

Can you please let me know how you get 9.43x from 12.3%

Thanks,
--
JSR



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