CPUID - Port Usage

With lfence (to avoid incorrect counts due to replays)

Code:

   0:	b8 00 00 00 00       	mov    eax,0x0
   5:	b9 00 00 00 00       	mov    ecx,0x0
   a:	0f a2                	cpuid
   c:	90                   	nop
   d:	90                   	nop
   e:	90                   	nop
   f:	90                   	nop
  10:	90                   	nop
  11:	90                   	nop
  12:	90                   	nop
  13:	90                   	nop
  14:	90                   	nop
  15:	90                   	nop
  16:	0f ae e8             	lfence

Show nanoBench command
Results:
- Instructions retired: 14.0
- Core cycles: 128.05
- Reference cycles: 90.4
- UOPS_DISPATCHED.INT_EU_ALL: 32.01
- UOPS_DISPATCHED.ALU: 19.0
- UOPS_DISPATCHED.LD: 0.0
- UOPS_DISPATCHED.SLOW: 2.0
- UOPS_DISPATCHED.STD: 1.0
- UOPS_DISPATCHED.SHIFT: 0.0
- UOPS_DISPATCHED.JMP: 9.01
- UOPS_DISPATCHED.STA: 1.0

Code:

   0:	b8 00 00 00 00       	mov    eax,0x0
   5:	b9 00 00 00 00       	mov    ecx,0x0

Show nanoBench command
Results:
- Instructions retired: 2.0
- Core cycles: 0.31
- Reference cycles: 0.34
- UOPS_DISPATCHED.INT_EU_ALL: 2.0
- UOPS_DISPATCHED.ALU: 2.0
- UOPS_DISPATCHED.LD: 0.0
- UOPS_DISPATCHED.SLOW: 0.0
- UOPS_DISPATCHED.STD: 0.0
- UOPS_DISPATCHED.SHIFT: 0.0
- UOPS_DISPATCHED.JMP: 0.0
- UOPS_DISPATCHED.STA: 0.0

No uops