measure uncore events

[Yuanfang Chen]

Hello all,

I'm trying to measure uncore events. After reading [1], I tried "perf
stat -a -e "uncore_imc_0/event=0xff,umask=0x00/" /bin/ls", it says
"invalid or unsupported event".

The machine is Intel Ivy Bridge i5-3320M with ArchLinux 3.11.2-1-ARCH.
'perf --version'  is 'perf version 3.11.0'
In '/sys/bus/event_source/devices/uncore_cbox_0/events', there is only
one event 'clockticks'.

Did I miss something?

thanks,
yuanfang


[1] http://web.eece.maine.edu/~vweaver/projects/perf_events/faq.html#q1c
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