>Number: 181346 >Category: misc >Synopsis: [hwpmc] Sandy Bridge Xeon - workaround required for some perf >events >Confidential: no >Severity: non-critical >Priority: low >Responsible: freebsd-bugs >State: open >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Fri Aug 16 20:30:00 UTC 2013 >Closed-Date: >Last-Modified: >Originator: adrian chadd >Release: >Organization: >Environment: >Description: There's a workaround required for some events on Sandy bridge Xeon hardware.
http://software.intel.com/en-us/articles/performance-monitoring-on-intel-xeon-processor-e5-family Here's the workaround packaged up in a linux-specific python script. ugh. https://github.com/andikleen/pmu-tools/blob/master/latego.py I have no idea about the specifics of the workaround; only that we should likely add support to hwpmc to do this. >How-To-Repeat: >Fix: >Release-Note: >Audit-Trail: >Unformatted: _______________________________________________ [email protected] mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-bugs To unsubscribe, send any mail to "[email protected]"
