Messages in this thread | | | Date | Wed, 04 Apr 2012 09:47:23 +0800 | From | "Yan, Zheng" <> | Subject | Re: [PATCH 2/5] perf: generic intel uncore support |
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On 04/03/2012 10:29 PM, Peter Zijlstra wrote: > On Tue, 2012-04-03 at 16:28 +0800, Yan, Zheng wrote: >> On 04/03/2012 06:11 AM, Peter Zijlstra wrote: >>> On Sun, 2012-04-01 at 11:11 +0800, Yan, Zheng wrote: >>>> >>>> Because using per-cpu allocation is inconvenience for PCI uncore device. >>> >>> What are those, where does one read about them and why? >>> >> PCI uncore device support was added by patch 4. If using per-cpu pointer, >> we have to setup the per-cpu pointer after the PCI driver's probe function >> recognizes the uncore device. It means we have to first add the PCI uncore >> device to a list, then call a function on all cpus to scan the list, find >> the right uncore device and setup the per-cpu pointer. > > Yeah, I saw that, but it was all completely lacking in where one can > find actual detail on that stuff. What parts of the SDM do I read? Is > there anything other than the SDM, etc.. >
I'm sorry, the SDM for SandyBridge-EP uncore doesn't release to public so far.
Regards Yan, Zheng
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