From: Andi Kleen <andi@firstfloor.org>
To: Luke Gorrie <luke@snabb.co>
Cc: Andi Kleen <andi@firstfloor.org>, linux-perf-users@vger.kernel.org
Subject: Re: First time user, problem with toplev.py levels (-l)
Date: Wed, 25 Sep 2013 17:54:16 +0200 [thread overview]
Message-ID: <20130925155416.GJ18242@two.firstfloor.org> (raw)
In-Reply-To: <CAA2XHbfK5qkf6UERFu_zLK5NEA+ZSs3=2QCeZ3MvkSceY9bxqg@mail.gmail.com>
On Wed, Sep 25, 2013 at 05:29:49PM +0200, Luke Gorrie wrote:
> On 25 September 2013 17:24, Andi Kleen <andi@firstfloor.org> wrote:
> > What CPU do you have (head -n20 /proc/cpuinfo) ?
>
> $ head -n20 /proc/cpuinfo
> processor : 0
> vendor_id : GenuineIntel
> cpu family : 6
> model : 45
> model name : Intel(R) Xeon(R) CPU E5-2650 0 @ 2.00GHz
toplev doesn't have a detailed model for SandyBridge-E currently,
that is why only level 1 is enabled.
You could force snb in the code for jkt (the table at line 175+), but some
of the estimated latencies would be a bit off and it would not
support NUMA.
-Andi
next prev parent reply other threads:[~2013-09-25 15:54 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-09-25 11:44 First time user, problem with toplev.py levels (-l) Luke Gorrie
2013-09-25 15:24 ` Andi Kleen
2013-09-25 15:29 ` Luke Gorrie
2013-09-25 15:54 ` Andi Kleen [this message]
2013-09-25 17:18 ` Luke Gorrie
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