From: Manuel Selva <manuel.selva@insa-lyon.fr>
To: Vince Weaver <vincent.weaver@maine.edu>
Cc: "linux-perf-users@vger.kernel.org" <linux-perf-users@vger.kernel.org>
Subject: Re: Load latency sampling on Sandy Bridge
Date: Wed, 29 Oct 2014 21:15:30 +0100 [thread overview]
Message-ID: <54514AE2.9010702@insa-lyon.fr> (raw)
In-Reply-To: <alpine.DEB.2.11.1410291601080.895@vincent-weaver-1.umelst.maine.edu>
many thanks, it works !!!
On ubuntu: sudo apt-get install intel-microcode
-----
Manu
On 10/29/2014 09:02 PM, Vince Weaver wrote:
> On Wed, 29 Oct 2014, Manuel Selva wrote:
>
>> perf_event_intel: PEBS disabled due to CPU errata, please upgrade microcode
>>
>> Does it mean that I must "upgrade my hardware" through the upgrade of
>> microcode ? I never did such a thing.
>
> Usually the microcode is updated at boot time. Usually your distribution
> will have some sort of microcode update package you can install that will
> do this for you automatically.
>
> Vince
> --
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>
prev parent reply other threads:[~2014-10-29 20:15 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-10-29 8:07 Load latency sampling on Sandy Bridge Manuel Selva
2014-10-29 16:09 ` Vince Weaver
2014-10-29 17:05 ` Manuel Selva
2014-10-29 18:53 ` Vince Weaver
2014-10-29 18:50 ` Manuel Selva
2014-10-29 19:12 ` Vince Weaver
2014-10-29 19:21 ` Manuel Selva
2014-10-29 20:02 ` Vince Weaver
2014-10-29 20:15 ` Manuel Selva [this message]
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