Re: x86 perf's dTLB-load-misses broken on IvyBridge? II

[Peter Zijlstra]

On Wed, Feb 19, 2014 at 07:40:36AM -0800, Andi Kleen wrote:
> > >  [ C(DTLB) ] = {
> > >         [ C(OP_READ) ] = {
> > >                 [ C(RESULT_ACCESS) ] = 0x81d0, /* MEM_UOP_RETIRED.ALL_LOADS */
> > >                 [ C(RESULT_MISS)   ] = 0x0108, /* DTLB_LOAD_MISSES.CAUSES_A_WALK */
> > >         },
> 
> 
> Actually I tested on the wrong system earlier, sorry The miss event code 
> is wrong on IvyBridge, it should be 0x8108 (DTLB_LOAD_MISSES.DEMAND_LD_MISS_CAUSES_A_WALK),
> not 0x0108.

Ah indeed, that is different between snb and ivb.
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/