linux-kernel - Re: [RESEND][PATCH] mm: vmstats: tlb flush counters

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Message-ID: <51ED64FC.8090104@sr71.net>
Date:	Mon, 22 Jul 2013 09:59:40 -0700
From:	Dave Hansen <dave@...1.net>
To:	Ingo Molnar <mingo@...nel.org>
CC:	Raghavendra KT <raghavendra.kt.linux@...il.com>,
	linux-kernel@...r.kernel.org, x86@...nel.org, linux-mm@...ck.org,
	Raghavendra KT <raghavendra.kt@...ux.vnet.ibm.com>
Subject: Re: [RESEND][PATCH] mm: vmstats: tlb flush counters

On 07/22/2013 03:06 AM, Ingo Molnar wrote:
> Btw., would be nice to also integrate these VM counters into perf as well, 
> as an instrumentation variant/option.
> 
> It could be done in an almost zero overhead fashion using jump-labels I 
> think.
> 
> [ Just in case someone is bored to death and is looking for an interesting 
>   side project ;-) ]

I'd actually been thinking about making them in to tracepoints, but the
tracepoint macros seem to create #include messes if you try to use them
in very common headers.

Agree it would be an interesting side project, though. :)
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