On Tue, Mar 27, 2012 at 8:36 AM, tip-bot for Peter Zijlstra <a.p.zijlstra@xxxxxxxxx> wrote: > Commit-ID: c370117c978adba861fad467427a9301c2c7082b > Gitweb: http://git.kernel.org/tip/c370117c978adba861fad467427a9301c2c7082b > Author: Peter Zijlstra <a.p.zijlstra@xxxxxxxxx> > AuthorDate: Thu, 22 Mar 2012 11:41:23 +0100 > Committer: Ingo Molnar <mingo@xxxxxxxxxx> > CommitDate: Tue, 27 Mar 2012 14:53:46 +0200 > > perf/x86: Add SNB offcore event constraints > > As found in the Intel SDM (March 2012 edition) in Volume 3 > section 18.8.5, the offcore response events are constrained > to PMC0 and PMC3 resp.. > I don't believe this is correct in the SDM. It may be a side effect of how Intel tools work. I'll check again. > Signed-off-by: Peter Zijlstra <a.p.zijlstra@xxxxxxxxx> > Cc: Stephane Eranian <eranian@xxxxxxxxxx> > Cc: <stable@xxxxxxxxxx> > Link: http://lkml.kernel.org/n/tip-n6vf6grjv94vnzvuccu0clcv@xxxxxxxxxxxxxx > Signed-off-by: Ingo Molnar <mingo@xxxxxxxxxx> > --- > arch/x86/kernel/cpu/perf_event_intel.c | 14 ++++++++------ > 1 files changed, 8 insertions(+), 6 deletions(-) > > diff --git a/arch/x86/kernel/cpu/perf_event_intel.c b/arch/x86/kernel/cpu/perf_event_intel.c > index 26b3e2f..bab8c6d 100644 > --- a/arch/x86/kernel/cpu/perf_event_intel.c > +++ b/arch/x86/kernel/cpu/perf_event_intel.c > @@ -96,12 +96,14 @@ static struct event_constraint intel_westmere_event_constraints[] __read_mostly > > static struct event_constraint intel_snb_event_constraints[] __read_mostly = > { > - FIXED_EVENT_CONSTRAINT(0x00c0, 0), /* INST_RETIRED.ANY */ > - FIXED_EVENT_CONSTRAINT(0x003c, 1), /* CPU_CLK_UNHALTED.CORE */ > - FIXED_EVENT_CONSTRAINT(0x0300, 2), /* CPU_CLK_UNHALTED.REF */ > - INTEL_EVENT_CONSTRAINT(0x48, 0x4), /* L1D_PEND_MISS.PENDING */ > - INTEL_UEVENT_CONSTRAINT(0x01c0, 0x2), /* INST_RETIRED.PREC_DIST */ > - INTEL_EVENT_CONSTRAINT(0xcd, 0x8), /* MEM_TRANS_RETIRED.LOAD_LATENCY */ > + FIXED_EVENT_CONSTRAINT(0x00c0, 0), /* INST_RETIRED.ANY */ > + FIXED_EVENT_CONSTRAINT(0x003c, 1), /* CPU_CLK_UNHALTED.CORE */ > + FIXED_EVENT_CONSTRAINT(0x0300, 2), /* CPU_CLK_UNHALTED.REF */ > + INTEL_EVENT_CONSTRAINT(0x48, 0x4), /* L1D_PEND_MISS.PENDING */ > + INTEL_UEVENT_CONSTRAINT(0x01c0, 0x2), /* INST_RETIRED.PREC_DIST */ > + INTEL_EVENT_CONSTRAINT(0xcd, 0x8), /* MEM_TRANS_RETIRED.LOAD_LATENCY */ > + INTEL_UEVENT_CONSTRAINT(0x01b7, 0x1), /* OFFCORE_RSP_0 */ > + INTEL_UEVENT_CONSTRAINT(0x01bb, 0x8), /* OFFCORE_RSP_1 */ > EVENT_CONSTRAINT_END > }; > -- To unsubscribe from this list: send the line "unsubscribe linux-tip-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html