linux-kernel - Re: [PATCH] perf tools: Add 'G' and 'H' modifiers to event parsing

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Date:	Sun, 15 Apr 2012 17:12:22 +0200
From:	Peter Zijlstra <a.p.zijlstra@...llo.nl>
To:	Gleb Natapov <gleb@...hat.com>
Cc:	acme@...stprotocols.net, mingo@...hat.com, jolsa@...hat.com,
	linux-kernel@...r.kernel.org, avi@...hat.com
Subject: Re: [PATCH] perf tools: Add 'G' and 'H' modifiers to event parsing

On Sun, 2012-04-15 at 17:59 +0300, Gleb Natapov wrote:
> -modifier_event [ukhp]{1,5}
> +modifier_event [ukhpGH]{1,5} 

You'd also need to increase the 5 to 7 I think, unless there's a clear
exclusion with some of the other flags.

Hmm, as it stands I think the 5 is already too low: "ukhppp" is 6.

We should really write this as ['u'] ['k'] ['h'] ['G'] ['H'] ['p'{1,3}],
not the combined thing.
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