linux-kernel - Re: perf test topo broken?

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Message-ID: <20151120094023.GC897@krava.brq.redhat.com>
Date:	Fri, 20 Nov 2015 10:40:23 +0100
From:	Jiri Olsa <jolsa@...hat.com>
To:	Sukadev Bhattiprolu <sukadev@...ux.vnet.ibm.com>
Cc:	acme@...hat.com, kan.liang@...el.com, linux-kernel@...r.kernel.org
Subject: Re: perf test topo broken?

On Thu, Nov 19, 2015 at 02:13:53PM -0800, Sukadev Bhattiprolu wrote:

SNIP

> 
> 	$ cat /sys/devices/system/cpu/online 
> 	0-7
> 
> 	$ cat /sys/devices/system/cpu/cpu?/topology/core_id
> 	0
> 	1
> 	9
> 	10
> 	0
> 	1
> 	9
> 	10

we assume the actualy core_id number is within 0 - [cpu-max-number]

how can one reach above core_id setup? ;-)

thanks,
jirka
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