Interlagos

Architecture specific notes for AMD Interlagos

Performance groups

AMD Interlagos Performance groups

Events

The input file for the events on AMD K8 can be found here.

Counters

• Core-local counters
  • General-purpose counters
• Socket-wide counters
  • Northbridge general-purpose counters

Core-local counters

General-purpose counters

The AMD® Interlagos microarchitecture provides 6 general-purpose counters consiting of a config and a counter register.

Counters

Counter name	Event name
PMC0	*
PMC1	*
PMC2	*
PMC3	*
PMC4	*
PMC5	*

##### Available Options

Option	Argument	Description	Comment
edgedetect	N	Set bit 18 in config register
kernel	N	Set bit 17 in config register
threshold	8 bit hex value	Set bits 24-31 in config register	The value for threshold can range between 0x0 and 0x1F
invert	N	Set bit 23 in config register

Northbridge general-purpose counters

The AMD® Interlagos microarchitecture provides 4 general-purpose counters for the Northbridge consisting of a config and a counter register.

Counters

Counter name	Event name
UPMC0	*
UPMC1	*
UPMC2	*
UPMC3	*