1# Core Solo / Core Duo possible unit masks 2# 3name:zero type:mandatory default:0x0 4 0x0 No unit mask 5name:one type:mandatory default:0x1 6 0x1 No unit mask 7name:two type:mandatory default:0x2 8 0x2 No unit mask 9name:x0f type:mandatory default:0xf 10 0xf No unit mask 11name:x20 type:mandatory default:0x20 12 0x20 No unit mask 13name:x40 type:mandatory default:0x40 14 0x40 No unit mask 15name:xc0 type:mandatory default:0xc0 16 0xc0 No unit mask 17name:nonhlt type:exclusive default:0x0 18 0x0 Unhalted core cycles 19 0x1 Unhalted bus cycles 20 0x2 Unhalted bus cycles of this core while the other core is halted 21name:mesi type:bitmask default:0x0f 22 0x08 (M)odified cache state 23 0x04 (E)xclusive cache state 24 0x02 (S)hared cache state 25 0x01 (I)nvalid cache state 26 0x0f All cache states 27 0x10 HW prefetched line only 28 0x20 all prefetched line w/o regarding mask 0x10. 29name:est_trans type:exclusive default:0x00 30 0x00 any transitions 31 0x10 Intel(tm) Enhanced SpeedStep(r) Technology frequency transitions 32 0x20 any transactions 33name:kni_prefetch type:exclusive default:0x0 34 0x00 prefetch NTA 35 0x01 prefetch T1 36 0x02 prefetch T2 37 0x03 weakly-ordered stores 38# this bitmask can seems weirds but is correct, note there is no way to only 39# count scalar SIMD instructions 40name:sse_sse2_inst_retired type:exclusive default:0x0 41 0x00 SSE Packed Single 42 0x01 SSE Scalar-Single 43 0x02 SSE2 Packed-Double 44 0x03 SSE2 Scalar-Double 45name:mmx_instr_type_exec type:bitmask default:0x3f 46 0x01 MMX packed multiplies 47 0x02 MMX packed shifts 48 0x04 MMX pack operations 49 0x08 MMX unpack operations 50 0x10 MMX packed logical 51 0x20 MMX packed arithmetic 52 0x3f all of the above 53name:mmx_trans type:exclusive default:0x0 54 0x00 MMX->float operations 55 0x01 float->MMX operations 56name:fused type:exclusive default:0x0 57 0x00 All fused micro-ops 58 0x01 Only load+Op micro-ops 59 0x02 Only std+sta micro-ops 60name:dc_pend_miss type:exclusive default:0x0 61 0x00 Weighted cycles 62 0x01 Duration of cycles 63name:sse_miss type:exclusive default:0x0 64 0x00 PREFETCHNTA 65 0x01 PREFETCHT1 66 0x02 PREFETCHT2 67 0x03 SSE streaming store instructions 68