On Wed, Apr 22, 2015 at 11:38:22PM -0700, Adrian Chadd wrote: > hi all, > > I'm having a spot of problem trying to get the local/remote dram > counters working on the NUMA sandybridge and ivybridge systems here. > > Things work fine using intel-pcm, but those same counters don't work with > hwpmc. > > Sandybridge - there's apparently an MSR that needs to be fiddled if > the counters are active. > > Ivybridge - the v1 and v2 chips have different local/remote dram > counters, and on my v2 setup there's actually /two/ LOCAL_DRAM:
# pmccontrol -L | grep DRAM MEM_LOAD_UOPS_LLC_MISS_RETIRED.LOCAL_DRAM MEM_LOAD_UOPS_LLC_MISS_RETIRED.REMOTE_DRAM CPU: Intel(R) Xeon(R) CPU E5-2650 v2 @ 2.60GHz (2600.05-MHz K8-class CPU) > adrian@testbox1:~/git/github/erikarn/freebsd/sys/dev/hwpmc % > pmccontrol -L | grep DRAM > MEM_LOAD_UOPS_LLC_MISS_RETIRED.LOCAL_DRAM > MEM_LOAD_UOPS_LLC_MISS_RETIRED.LOCAL_DRAM > MEM_LOAD_UOPS_LLC_MISS_RETIRED.REMOTE_DRAM > > Now, i may be able to get to figuring this out at some point in the > distant future, but I'd really appreciate any help I can get now. I'm > now at the point with the NUMA affinity API stuff where I'm now > chasing down when things are correctly working with local/remote RAM, > and I'd really like to use hwpmc in sampling mode to work on it. > > Thanks for any help! > > > > -adrian > _______________________________________________ > email@example.com mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-current > To unsubscribe, send any mail to "freebsd-current-unsubscr...@freebsd.org" _______________________________________________ firstname.lastname@example.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-current To unsubscribe, send any mail to "freebsd-current-unsubscr...@freebsd.org"