Enabling OProfile in the OLPC kernels?
wcohen at redhat.com
Fri Mar 16 14:24:33 EDT 2007
Jim Gettys wrote:
> Thank you for your efforts!
> On Mon, 2007-03-12 at 16:39 -0400, William Cohen wrote:
>> I have been successful in getting OProfile in timer mode to work on a OLPC Beta
>> 2 machine. Would it be worthwhile to build the OProfile module in the kernel
Could we turn that on in near future. Then people can avoid building custom
kernels to run OProfile? The 314 build still doesn't have OProfile enabled. Who
do I need to make the request to change the line in the kernel config files to
mke oprofile support available?
>> Developers might find it useful to get some system-wide sampling to find
>> out where the hot spots are in code. Are there reasons other than space
>> constraints that OProfile support is not included in the kernel?
> Nope; it has been on our "we'd like to have" list of performance tools
> for quite a while.
> - Jim
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