I am trying to set up perfmon2 to use PEBS on a Pentium 4 machine. When I
run the sample program smpl_p4_pebs, I get the error message, "Can't create
PFM context Invalid argument, maybe you do not have the P4/Xeon PEBS
sampling format in the kernel. Check /sys/kernel/perfmon". In
/sys/kernel/perfmon/formats, I have directories for "default" and
"pebs32_p4", but each only contains a "version" file.
I'm using the most recent perfmon branch of the kernel (
http://git.kernel.org/?p=linux/kernel/git/eranian/linux-2.6.git;a=commit;h=5c4d5d7e54825767ecb16e9dee31a4f77b390998).
Is this a problem with my kernel configuration, or something else?
Thanks for your help.
--
Justin Slepak
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