Re: re-enable Nehalem raw Offcore-Events support

[Corey Ashford <cjashfor@linux.vnet.ibm.com>]

On 05/01/2011 10:55 AM, Ingo Molnar wrote:
> 
> * Corey Ashford <cjashfor@linux.vnet.ibm.com> wrote:
> 
>> Carl Love and I recently completed some work to add perf_events support for 
>> the IBM Blue Waters machine's "CPU networking" chip, called the Torrent chip.  
>> We did all of this work based on a RHEL 6 kernel (2.6.32ish), which doesn't 
>> have Peter's more recent multi-PMU support.
>>
>> I would say that most if not all of the events are not generalizable in the 
>> sense that you are talking about; the events are very specific to the Torrent 
>> chip. [...]
> 
> That's ok and not a problem.
> 
> The issue here are events that *are* generalizable.
> 
>> So if I'm understanding what you have said correctly, we would not be able to 
>> get a forward port of this code committed without abstracting these events in 
>> a away that's acceptable to the kernel community. [...]
> 
> If the number of events worth generalizing is the empty set that's ok.
> 
> Thanks,
> 
> 	Ingo

Great, that's good to hear.

Thanks,

- Corey