HP UX Caliper Software manual Mispredicted Branches Example

Figure 33 Mispredicted Branches Example

Function Details

----------------------------------------------------------------------------------------------

% Total	Target						Line
Taken	of	Branch	Branch	Taken	NTaken	%	Slot	>Statement
Mispr	Branch	Taken	NTaken	Mispr	Mispr	Mispr	Col,Offset	Instruction

----------------------------------------------------------------------------------------------

25.00[libc.so.1::__thread_mutex_lock, 0x40000000002123a0, wrappers1.c]

2 2 0 1 0 50.00~270 Function Totals

--------------------------------------------------------------------------------------

[File not found: /ux/libsobj_i80em/libs/libc/shared_em_64/obj/../../../../../core/libs/libc/shared_em_64/../core/threads/wrappers1.c]

(1)	(0)	(0)	(0)	(0)		~270	>
						~1,0x0000:0	M	alloc
r33=ar.pfs,0,4,1,0
						:1	M	addl
r8=-21784,r1
						:2	I	mov
r34=rp
- - - - - - - - - - - - - - - - - - - - - - - - - - - - -
1	0	0	0	0		[bundle]
	0		0			~1,0x0010:0	M	addl
r35=0,r1
	0		0			:1	M	addl
r9=-18600,r1
	0		0			:2	I_	adds
r36=0,r32 ;;
- - - - - - - - - - - - - - - - - - - - - - - - - - - - -
(0)	(1)	(0)	(0)	(0)	(0.00)	~272	>
						~1,0x0020:0	M	ld8
r10=[r8]
						:1	I_	addl
r8=0,r0 ;;
						:2	I_	mov.i
ar.pfs=r33 ;;
						~1,0x0030:0	M	ld4
r10=[r10]
						:1	I_	mov
rp=r34,.+0 ;;
						:2	I	tbit.z.unc
p0,p6=r10,1
- - - - - - - - - - - - - - - - - - - - - - - - - - - - -
0	1	0	0	0	0.00	[bundle]
	0		0			~1,0x0040:0	M	nop.m	0
	0		0			:1	M	nop.m	0
	1		0			:2	B_(p6)	br.dpnt.many
{self}+0x60 ;;
- - - - - - - - - - - - - - - - - - - - - - - - - - - - -
						~1,0x0050:0	M	nop.m	0
						:1	M	nop.m	0
						:2	B_	br.ret.sptk.many
rp ;;
(1)	(1)	(0)	(1)	(0) (100.00)		~273	>
- - - - - - - - - - - - - - - - - - - - - - - - - - - - -
1	0	0	0	0		[bundle]
	0		0			~1,0x0060:0	M_	ld8
r8=[r9] ;;
	0		0			:1	M	ld8
r8=[r8]
	0		0			:2	I_	nop.i	0
;;
- - - - - - - - - - - - - - - - - - - - - - - - - - - - -
						~1,0x0070:0	M_	adds
r8=16,r8 ;;
						:1	M	ld8
r8=[r8]
						:2	I_	nop.i	0
;;
						~1,0x0080:0	M_	adds
r9=8,r8 ;;
						:1	M	ld8
r8=[r8]
						:2	I	nop.i	0
						~1,0x0090:0	M_	ld8
r1=[r9] ;;
						:1	M	nop.m	0
						:2	I	mov
b6=r8,.+0
- - - - - - - - - - - - - - - - - - - - - - - - - - - - -
0	1	0	1	0	100.00	[bundle]
	0		0			~1,0x00a0:0	M	nop.m	0
	0		0			:1	M	nop.m	0
	1		1			:2	B_	br.call.dptk.many
rp=b6 ;;
- - - - - - - - - - - - - - - - - - - - - - - - - - - - -
						~1,0x00b0:0	M	adds
r1=0,r35
						:1	I_	mov
rp=r34,.+0 ;;
						:2	I	mov.i
ar.pfs=r33

Mispredicted Branches 165