oprofile callgraph support missing for common cpus

Benjamin Herrenschmidt benh at kernel.crashing.org
Fri Nov 25 16:24:32 EST 2011


On Fri, 2011-11-18 at 09:22 +0100, Joakim Tjernlund wrote:

> I forgot to ask, oprofile mentions setting -no-omit-framepointer to get
> correct backtrace but I cannot turn on frame pointers for the ppc kernel.
> Isn't frame pointers needed for pcc? what about user space?

PowerPC always has frame pointers, ignore that :-)

Cheers,
Ben.




More information about the Linuxppc-dev mailing list