From: Peter Zijlstra <peterz@infradead.org>
To: Stephane Eranian <eranian@google.com>
Cc: mingo@elte.hu, linux-kernel@vger.kernel.org, paulus@samba.org,
robert.richter@amd.com, fweisbec@gmail.com,
Arnaldo Carvalho de Melo <acme@infradead.org>
Subject: Re: [PATCH 3/5] perf, x86: Disable PEBS on clowertown chips
Date: Fri, 05 Mar 2010 22:35:33 +0100 [thread overview]
Message-ID: <1267824933.4997.9.camel@laptop> (raw)
In-Reply-To: <bd4cb8901003051322l1722fcaaqacf0c913853d384f@mail.gmail.com>
On Fri, 2010-03-05 at 13:22 -0800, Stephane Eranian wrote:
> > The two serious ones, AJ106 and AJ68 are no fix and are listed as such
> > in all errata I can find, including the 7[23]00 series.
> >
> Not E74xx. I think it would be fine to drop LBR with PEBS as the work-around
> to AJ106.
>
> > I checked the 65nm Core2Duo, Xeon 5200 and Xeon 7[23]00 spec updates.
> > Going by that it seems the full model 15 family is broken and I'll leave
> > the patch as is.
>
> But the E74xx are okay and you are excluding them. Worst case you should
> provide an override.
>From what I can tell E74xx is model 29, which would be just fine with
this patch, this patch only marks model 15 as broken.
next prev parent reply other threads:[~2010-03-05 21:35 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-03-05 15:39 [PATCH 0/5] PEBS and LBR fixes Peter Zijlstra
2010-03-05 15:39 ` [PATCH 1/5] perf: Rework the arch CPU-hotplug hooks Peter Zijlstra
2010-03-10 13:10 ` [tip:perf/urgent] perf: Rework and fix " tip-bot for Peter Zijlstra
2010-03-05 15:39 ` [PATCH 2/5] perf, x86: Fix silly bug in data store buffer allocation Peter Zijlstra
2010-03-10 13:20 ` [tip:perf/pebs] " tip-bot for Peter Zijlstra
2010-03-05 15:39 ` [PATCH 3/5] perf, x86: Disable PEBS on clowertown chips Peter Zijlstra
2010-03-05 18:58 ` Stephane Eranian
2010-03-05 19:15 ` Peter Zijlstra
2010-03-05 19:28 ` Stephane Eranian
2010-03-05 19:37 ` Peter Zijlstra
2010-03-05 21:05 ` Peter Zijlstra
2010-03-05 21:22 ` Stephane Eranian
2010-03-05 21:35 ` Peter Zijlstra [this message]
2010-03-05 21:38 ` Stephane Eranian
2010-03-05 21:43 ` Peter Zijlstra
2010-03-05 21:57 ` Stephane Eranian
2010-03-05 22:25 ` Peter Zijlstra
2010-03-05 22:33 ` Stephane Eranian
2010-03-10 13:21 ` [tip:perf/pebs] perf, x86: Disable PEBS on clovertown chips tip-bot for Peter Zijlstra
2010-03-05 15:39 ` [PATCH 4/5] perf, x86: Clear the LBRs on init Peter Zijlstra
2010-03-10 13:21 ` [tip:perf/pebs] " tip-bot for Peter Zijlstra
2010-03-05 15:39 ` [PATCH 5/5] perf, x86: Robustify PEBS fixup Peter Zijlstra
2010-03-10 13:21 ` [tip:perf/pebs] " tip-bot for Peter Zijlstra
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