Re: [Perfctr-devel] please help us

[Philip M. <mu...@cs...>]

Are you running a Xen kernel? Are you running the kernel within Xen?

Xen is not enabled for performance analysis I am afraid. It does not  
virtualize the PMD.

If this isn't the case, the error below is not related to the perfctr  
patch. It sure looks like something is wrong with your kernel build.

I would try 'turning off' the perfctr support in .config and  
recompiling and see if you can do a clean compile

Phil

On Nov 21, 2008, at 7:56 AM, Madhulina Sarkar wrote:

> To
> PAPI group people,
>
> This is Madhulina Sarkar here from St Thomas' College Of Engineering  
> and Technology, India. We   do research with performance analysis of  
> applications running in Grid. We are trying to install PAPI3.6.2  in
>
>
> Fedora Release 7 with  kernel version 2.6.20-2925.9.fc7xen. This is  
> SMP with two processors, each of which is Intel Core 2 duo T6320.To  
> install papi 3.6.2 on fedora7,we have
> followed the link "http://www.cs.cmu.edu/~dkoes/research/performance_install.txt 
> ".
>
>
> To patch and configure the kernel,while we are running the command  
> "make dep vmlinux modules", we are getting the errors like
> 1. undefined reference to 'skb_checksum_setup' in function  
> 'tpacket_rev'
>
>
> 2. undefined reference to 'skb_checksum_setup' in function  
> 'packet_rcv'
> We have done several attempt to do this with several options in  
> "make menuconfig" commad, but for all the cases we got the same  
> errors repeatedly.
>
>
> Please help us in this regard as soon as possible.
>
> Thanks and Regards,
> Madhulina Sarkar.
>
>
>