linux-kernel - Re: [PATCH prototype] [0/8] Predictive bitmaps for ELF executables

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Message-ID: <a36005b50803212138m1c37dd9evcecb0ebda569670c@mail.gmail.com>
Date:	Fri, 21 Mar 2008 21:38:29 -0700
From:	"Ulrich Drepper" <drepper@...il.com>
To:	"Andi Kleen" <andi@...stfloor.org>
Cc:	"Andrew Morton" <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org, linux-mm@...ck.org
Subject: Re: [PATCH prototype] [0/8] Predictive bitmaps for ELF executables

On Fri, Mar 21, 2008 at 10:26 AM, Andi Kleen <andi@...stfloor.org> wrote:
>  When would that time be? I cannot think of a single heuristic that would
>  work for both "/bin/true" and a OpenOffice start.

In both cases the stable state is reached after, say, 4 seconds.  It's
just that true terminates before the time is up.  I think something
like "trace the first N seconds" is a reasonable heuristics.
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