Re: [patch] perf_counter tools: resurrect perf top annotation in asimple interactive form

From: Peter Zijlstra
Date: Wed Jul 22 2009 - 10:48:44 EST


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 ;-)

Would it be possible to make that wait on each-other?



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