Uncore Manual

Reference Number: 329468-002 177
Uncore Performance Monitoring
R3QPI Performance Monitoring
2.10.5 R3QPI Box Events Ordered By Code
The following table summarizes the directly measured R3QPI Box events.
2.10.6 R3QPI Box Common Metrics (Derived Events)
The following table summarizes metrics commonly calculated from R3QPI Box events.
2.10.7 R3QPI Box Performance Monitor Event List
The section enumerates performance monitoring events for the R3QPI Box.
Symbol Name
Event
Code
Ctrs
Max
Inc/
Cyc
Description
CLOCKTICKS 0x01 0-2 0 Number of uclks in domain
RING_AD_USED 0x07 0-2 1 R3 AD Ring in Use
RING_AK_USED 0x08 0-2 1 R3 AK Ring in Use
RING_BL_USED 0x09 0-2 1 R3 BL Ring in Use
RING_IV_USED 0x0a 0-2 1 R2 IV Ring in Use
RxR_CYCLES_NE 0x10 0-1 1 Ingress Cycles Not Empty
RxR_INSERTS 0x11 0-1 1 Ingress Allocations
RxR_AD_BYPASSED 0x12 0-1 1 AD Ingress Bypassed
RxR_OCCUPANCY 0x13 0 32 Ingress Occupancy Accumulator
TxR_CYCLES_NE 0x23 0-1 1 Egress Cycles Not Empty
TxR_CYCLES_FULL 0x25 0-1 1 Egress Cycles Full
TxR_NACK_CW 0x26 0-1 1 Egress NACK
TxR_NACK_CCW 0x28 0-1 1 Egress NACK
QPI0_AD_CREDITS_EMPTY 0x29 0-1 1 QPI0 AD Credits Empty
QPI1_AD_CREDITS_EMPTY 0x2a 0-1 1 QPI1 AD Credits Empty
C_LO_AD_CREDITS_EMPTY 0x2b 0-1 1 CBox AD Credits Empty
C_HI_AD_CREDITS_EMPTY 0x2c 0-1 1 CBox AD Credits Empty
QPI0_BL_CREDITS_EMPTY 0x2d 0-1 1 QPI0 BL Credits Empty
QPI1_BL_CREDITS_EMPTY 0x2e 0-1 1 QPI1 BL Credits Empty
HA_R2_BL_CREDITS_EMPTY 0x2f 0-1 1 HA/R2 AD Credits Empty
VNA_CREDIT_CYCLES_OUT 0x31 0-1 1 Cycles with no VNA credits available
VNA_CREDIT_CYCLES_USED 0x32 0-1 1 Cycles with 1 or more VNA credits in use
VNA_CREDITS_ACQUIRED 0x33 0-1 4 VNA credit Acquisitions
VNA_CREDITS_REJECT 0x34 0-1 1 VNA Credit Reject
VN0_CREDITS_USED 0x36 0-1 1 VN0 Credit Used
VN0_CREDITS_REJECT 0x37 0-1 1 VN0 Credit Acquisition Failed on DRS
VN1_CREDITS_USED 0x38 0-1 1 VN1 Credit Used
VN1_CREDITS_REJECT 0x39 0-1 1 VN1 Credit Acquisition Failed on DRS