From: Andi Kleen <andi@firstfloor.org>
To: Christoph Hellwig <hch@infradead.org>,
Andi Kleen <andi@firstfloor.org>,
Stephane Eranian <eranian@hpl.hp.com>,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH 13/22] 2.6.22-rc3 perfmon2 : common core functions
Date: Thu, 31 May 2007 21:02:37 +0200 [thread overview]
Message-ID: <20070531190237.GB7217@one.firstfloor.org> (raw)
In-Reply-To: <20070531185323.GA10745@infradead.org>
> People will want perfom and oprofile in the same kernel, and we'd better
Yes.
> allow useage at the same time, so I'd be very much in favour of having
That would be nice, but is not imho critical.
> just one backend. Especially giving the huge amount of different
> performance counters we have to support.
It's not that big an issue in my experience -- there aren't new x86 CPUs
that often and normally they don't change much between minor revisions.
Also at least Intel now has an architected subset of perfctrs
which I expect to cover most people's needs.
-Andi
next prev parent reply other threads:[~2007-05-31 19:02 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-05-29 13:48 Stephane Eranian
2007-05-31 15:01 ` Andi Kleen
2007-05-31 17:16 ` Stephane Eranian
2007-05-31 17:28 ` Andi Kleen
2007-05-31 18:29 ` Christoph Hellwig
2007-05-31 18:43 ` Andi Kleen
2007-05-31 18:53 ` Christoph Hellwig
2007-05-31 19:02 ` Andi Kleen [this message]
2007-05-31 20:44 ` Stephane Eranian
2007-06-04 11:56 ` Stephane Eranian
[not found] ` <20070601101648.GD24898@frankl.hpl.hp.com>
[not found] ` <20070601105753.GE7217@one.firstfloor.org>
2007-06-12 12:32 ` problem with NMI MSR reserve routines Stephane Eranian
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