Andi Kleen <[email protected]> writes: > From: Andi Kleen <[email protected]>
Ping! Patch is missing review. -Andi > > Add CYCLE_ACTIVITY.CYCLES_NO_DISPATCH/CYCLES_L1D_PENDING > These recently documented events have restrictions to counter 0-3 > and counter 2 respectively. The scheduler needs to know that > to schedule them correctly. > > IvyBridge already has the necessary constraints. > > Signed-off-by: Andi Kleen <[email protected]> > --- > arch/x86/kernel/cpu/perf_event_intel.c | 2 ++ > 1 files changed, 2 insertions(+), 0 deletions(-) > > diff --git a/arch/x86/kernel/cpu/perf_event_intel.c > b/arch/x86/kernel/cpu/perf_event_intel.c > index 5b59c6c..0d2f9d8 100644 > --- a/arch/x86/kernel/cpu/perf_event_intel.c > +++ b/arch/x86/kernel/cpu/perf_event_intel.c > @@ -104,6 +104,8 @@ static struct event_constraint > intel_snb_event_constraints[] __read_mostly = > 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(0x04a3, 0xf), /* > CYCLE_ACTIVITY.CYCLES_NO_DISPATCH */ > + INTEL_UEVENT_CONSTRAINT(0x02a3, 0x4), /* > CYCLE_ACTIVITY.CYCLES_L1D_PENDING */ > EVENT_CONSTRAINT_END > }; -- [email protected] -- Speaking for myself only -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
