Oprofile, swap

M. Edward (Ed) Borasky znmeb at cesmail.net
Wed Dec 19 01:54:04 EST 2007


Jordan Crouse wrote:
> On 18/12/07 12:39 -0500, Chris Ball wrote:
>> Hi,
>>
>>    > However, you appear to be correct about the oprofile kernel.
>>
>>    > $ grep OPROFILE config*
>>    > config-olpc-generic:# CONFIG_OPROFILE is not set
>>
>> It is enabled in our kernel:
>>
>> -bash-3.2# grep OPROFILE /boot/config-2.6.22-20071204.2.olpc.9679b65c8c5ed6e 
>> CONFIG_OPROFILE=m
>>
>> Our kernel config lives in olpc-2.6/arch/i386/configs.
> 
> It is indeed there - but oprofile is still having issues.  It seems that 
> the sample data that is being written out is invalid (files are filled with
> only zeros, as far as  I can tell) , and opreport spits back errors, 
> consistant with badly formed sample files.
> 
> We need some people who understand oprofile to take a look at whats happening
> and diagnose it.
> 
> Jordan
> 

Uh ... you're from AMD? Can you get CodeAnalyst to work on an XO? That 
would be &$^%&$ awesome!



More information about the Devel mailing list