From: Keith Owens <kaos@sgi.com>
To: linux-ia64@vger.kernel.org
Subject: [Linux-ia64] Re: fpswa patch(es)
Date: Sat, 15 Dec 2001 02:03:53 +0000 [thread overview]
Message-ID: <marc-linux-ia64-105590698805701@msgid-missing> (raw)
On Fri, 14 Dec 2001 14:35:03 -0800,
David Mosberger <davidm@hpl.hp.com> wrote:
>We could include more info in /proc/cpuinfo. E.g., we could include a
>count of the total number of fpswa and unaligned faults (on a per CPU
>basis). (Alpha Linux does this, if you want to look for an example).
>If someone sent me a patch to do that, I'd be much more inclined to
>apply it.
FYI, SGI are looking at adding a generic framework for maintaining
per-cpu counters and providing low overhead access from user space to
that data. We can already see performance problems with accessing
per-cpu counters via /proc, it does not scale.
http://marc.theaimsgroup.com/?l=linux-kernel&m˜578952028153&w=2
reply other threads:[~2001-12-15 2:03 UTC|newest]
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