Subject: Re: [patch] perf_counter tools: resurrect perf top annotation in a
 simple interactive form
From: Mike Galbraith <efault@gmx.de>
To: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: LKML <linux-kernel@vger.kernel.org>, Ingo Molnar <mingo@elte.hu>
In-Reply-To: <1248274190.27058.1530.camel@twins>
References: <1248090981.18702.14.camel@marge.simson.net>
	 <1248274190.27058.1530.camel@twins>
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Date: Wed, 22 Jul 2009 18:46:11 +0200
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On Wed, 2009-07-22 at 16:49 +0200, Peter Zijlstra wrote:
> On Mon, 2009-07-20 at 13:56 +0200, Mike Galbraith wrote:
> > Comments/suggestions/clue_bats welcome.
> > 
> > perf_counter tools: resurrect perf top annotation in a simple interactive form.
> > 
> > This patch allows the user to select any symbol in kernel space for source level
> > annotation on the fly, switch between event counters and alter display variables.
> > When symbol details are being displayed, stopping annotation reverts to normal.
> > 
> > This doesn't make top _fully_ interactive, you can only select among the events
> > you started top with, ie it doesn't stop/start event counters etc.
> > 
> > known keys:
> >         [d]     select display delay.
> >         [e]     select display entries (lines).
> >         [E]     select annotation event counter.
> >         [f]     select normal display count filter.
> >         [F]     select annotation display count filter (percentage).
> >         [qQ]    quit.
> >         [s]     select annotation symbol and start annotation.
> >         [S]     stop annotation, revert to normal display.
> >         [z]     toggle event count zeroing.
> 
> ok, so I tried this, but the screen updates overwrite this input
> screen before I can read it ;-)

That's not an input screen, it's a legend shown if you poke an unknown
key.  Poking a known key prompts for input.

	-Mike

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