unit_masks

跨平台性能调试工具

# Core Solo / Core Duo possible unit masks
#
name:zero type:mandatory default:0x0
	0x0 No unit mask
name:one type:mandatory default:0x1
	0x1 No unit mask
name:two type:mandatory default:0x2
	0x2 No unit mask
name:x0f type:mandatory default:0xf
	0xf No unit mask
name:x20 type:mandatory default:0x20
	0x20 No unit mask
name:x40 type:mandatory default:0x40
	0x40 No unit mask
name:xc0 type:mandatory default:0xc0
	0xc0 No unit mask
name:nonhlt type:exclusive default:0x0
	0x0 Unhalted core cycles
	0x1 Unhalted bus cycles
	0x2 Unhalted bus cycles of this core while the other core is halted
name:mesi type:bitmask default:0x0f
	0x08 (M)odified cache state
	0x04 (E)xclusive cache state
	0x02 (S)hared cache state
	0x01 (I)nvalid cache state
	0x0f All cache states
	0x10 HW prefetched line only
	0x20 all prefetched line w/o regarding mask 0x10.
name:est_trans type:exclusive default:0x00
	0x00 any transitions
	0x10 Intel(tm) Enhanced SpeedStep(r) Technology frequency transitions
	0x20 any transactions
name:kni_prefetch type:exclusive default:0x0
	0x00 prefetch NTA
	0x01 prefetch T1
	0x02 prefetch T2
	0x03 weakly-ordered stores
# this bitmask can seems weirds but is correct, note there is no way to only
# count scalar SIMD instructions
name:sse_sse2_inst_retired type:exclusive default:0x0
	0x00 SSE Packed Single
	0x01 SSE Scalar-Single
	0x02 SSE2 Packed-Double
	0x03 SSE2 Scalar-Double
name:mmx_instr_type_exec type:bitmask default:0x3f
	0x01 MMX packed multiplies
	0x02 MMX packed shifts
	0x04 MMX pack operations
	0x08 MMX unpack operations
	0x10 MMX packed logical
	0x20 MMX packed arithmetic
	0x3f all of the above
name:mmx_trans type:exclusive default:0x0
	0x00 MMX->float operations
	0x01 float->MMX operations
name:fused type:exclusive default:0x0
	0x00 All fused micro-ops
	0x01 Only load+Op micro-ops
	0x02 Only std+sta micro-ops
name:dc_pend_miss type:exclusive default:0x0
	0x00 Weighted cycles
	0x01 Duration of cycles
name:sse_miss type:exclusive default:0x0
	0x00 PREFETCHNTA
	0x01 PREFETCHT1
	0x02 PREFETCHT2
	0x03 SSE streaming store instructions