linux-kernel - Re: Linux 2.6.31

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Message-ID: <19112.15202.318732.299671@cargo.ozlabs.ibm.com>
Date:	Thu, 10 Sep 2009 09:33:54 +1000
From:	Paul Mackerras <paulus@...ba.org>
To:	Linus Torvalds <torvalds@...ux-foundation.org>
Cc:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: Linux 2.6.31

Linus Torvalds writes:

> There's also a fair chunk of new debugging/peformance counter stuff: 
> memory leak detection ("kmemleak"), memory usage checking ("kmemcheck") 
> and performance counters ("perf_counter"). Those new debugging features 
> are not likely usable under any real load, but are good for finding kernel 
> bugs at a huge performance cost.

Just to be clear, that last sentence applies to kmemleak and
kmemcheck, but not perf_counters, right?

Paul.
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