HP Caliper User's Guide

• Chks Retired
This is the total number of non-predicated-off chk.s instructions retired during
the sample interval.
• Chks Failed
This is the total number of failed chk.s instructions that were retired during the
sample interval.
• Control Speculation:
— Spec/Sec: Total
This is the total number of control speculation events per second.
— Spec/Sec: Fail
This is the number of control speculation fail events per second.
— Spec/Kinst: Total
This is the total number of control speculation events per 1000 retired
instructions. The instruction count includes predicated off and nop instructions.
— Spec/Kinst: Fail
This is the number of control speculation fail events per 1000 retired instructions.
The instruction count includes predicated off and nop instructions.
— %Miss
This is the percentage of failed chk.s instructions out of the total number of
non-predicated-off chk.s instructions. Ideally, this metric will be close to zero.
High values would tend to suggest that the PBO information, used by the
optimizer when creating the binary code, might have been invalid.
312 Event Set Descriptions for CPU Metrics