Messages in this thread | | | Date | Tue, 13 Nov 2007 13:33:13 -0800 | From | Stephane Eranian <> | Subject | Re: [perfmon] Re: [perfmon2] perfmon2 merge news |
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Greg,
On Tue, Nov 13, 2007 at 10:59:24AM -0800, Greg KH wrote: > On Tue, Nov 13, 2007 at 10:47:45AM -0800, Philip Mucci wrote: > > Hi folks, > > > > Well, I can say the mood here at supercomputing'07 is pretty somber in > > regards to the latest exchange of messages regarding the perfmon patches. > > "somber"? >
I am the core developer of this and I am not as pessimistic as Phil. Yet I admit Phil has been asking for this kind of kernel interface for a very very long time ;-<
> Why? > > We (a number of the kernel developers) want to see the perfmon code make > it into the kernel tree, unfortunatly, in the current state it is in, > that's not going to happen. > > Andi specified a way that this can happen, just refactor your patches > into smaller bits that can be reviewed and applied. >
I think I understand your concerns. I will work on this. I think it is possible to refactor. It will certainly be painful (for me), but I think it can be done within some reasonable delay. Of course, it would be help if you could better qualify what you mean by 'smaller'.
> If you, or anyone else has any questions about this, please let us know. > So far, I have not seen any response to his message, so I'm guessing > that the perfmon developers either are off working on this, or don't > care. >
I will start working on this once I fix the tickless/hrtimer issues.
> And if they don't care, then yes, I agree with your "somber" feeling... >
I do care a lot actually. Believe me, I do spend a lot of effort and energy on this project everyday, like many others around the world, and I intend for it to succeed. We have reached a point in the development of processor hardware where this kind of features is crucial and it is not just for HPC folks anymore.
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