Date: Thu, 30 May 2013 20:19:18 +0300 From: Andriy Gapon <avg@FreeBSD.org> To: freebsd-current@FreeBSD.org, freebsd-hackers <freebsd-hackers@FreeBSD.org> Subject: Re: hwpmc with opteron 6128 Message-ID: <51A78A16.4050705@FreeBSD.org> In-Reply-To: <51A76E5E.5050206@FreeBSD.org> References: <51A76E5E.5050206@FreeBSD.org>
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on 30/05/2013 18:21 Andriy Gapon said the following: > > I am trying to do a very basic thing with hwpmc on this CPU: > > CPU: AMD Opteron(tm) Processor 6128 (1999.05-MHz K8-class CPU) > hwpmc: SOFT/16/64/0x67<INT,USR,SYS,REA,WRI> TSC/1/64/0x20<REA> > K8/4/48/0x1ff<INT,USR,SYS,EDG,THR,REA,WRI,INV,QUA> I didn't realize that the system was running in a VM. Sorry for the noise. > What I am trying is: > $ pmcstat -T -S instructions > > What I am getting is just: > PMC: [FR_RETIRED_X86_INSTRUCTIONS] Samples: 0 (0.0%) , 0 unresolved > > and nothing else on the screen. > > Has anyone had a success with this class of processors? > Should it be supported? > Any ideas/suggestions/hints? > > P.S. pmccontrol -L reports a whole bunch of "K8" counters, just a small random > sub-sample: > BU_FILL_INTO_L2 > IC_FETCH > IC_MISS > IC_REFILL_FROM_L2 > IC_REFILL_FROM_SYSTEM > IC_L1_ITLB_MISS_AND_L2_ITLB_HIT > IC_L1_ITLB_MISS_AND_L2_ITLB_MISS > IC_MICROARCHITECTURAL_RESYNC_BY_SNOOP > IC_INSTRUCTION_FETCH_STALL > IC_RETURN_STACK_HIT > IC_RETURN_STACK_OVERFLOW > FR_RETIRED_X86_INSTRUCTIONS > FR_RETIRED_UOPS > FR_RETIRED_BRANCHES > FR_RETIRED_BRANCHES_MISPREDICTED > FR_RETIRED_TAKEN_BRANCHES > FR_RETIRED_TAKEN_BRANCHES_MISPREDICTED > -- Andriy Gapon
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