Uncore Manual

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Uncore Performance Monitoring

Home Agent (HA) Performance Monitoring

68 Reference Number: 329468-002

RING_AD_USED

• Title: HA AD Ring in Use

• Category: RING Events

• Event Code: 0x3e

• Max. Inc/Cyc:. 1, Register Restrictions: 0-3

• Definition: Counts the number of cycles that the AD ring is being used at this ring stop. This

includes when packets are passing by and when packets are being sunk, but does not include when

packets are being sent from the ring stop.

• NOTE: On a 2 column implementation (e.g. 10C) CW_EVEN is actually

CW_VR0_EVEN+CW_VR1_EVEN (similarly for CCW/ODD). In any cycle, a ring stop can see up to

one packet moving in the CW direction and one packet moving in the CCW direction.

RING_AK_USED

• Title: HA AK Ring in Use

• Category: RING Events

• Event Code: 0x3f

• Max. Inc/Cyc:. 1, Register Restrictions: 0-3

WRITES b00001100 Writes

Incoming write requests.

INVITOE_LOCAL bxxx1xxxx Local InvItoEs

This filter includes only InvItoEs coming from the local socket.

INVITOE_REMOTE bxx1xxxxx Remote InvItoEs

This filter includes only InvItoEs coming from remote sockets.

Table 2-57. Unit Masks for RING_AD_USED

Extension

umask

[15:8]

Description

CW_VR0_EVEN bxxxxxxx1 Clockwise and Even on VRing 0

Filters for the Clockwise and Even ring polarity on Virtual Ring 0.

CW_VR0_ODD bxxxxxx1x Clockwise and Odd on VRing 0

Filters for the Clockwise and Odd ring polarity on Virtual Ring 0.

CCW_VR0_EVEN bxxxxx1xx Counterclockwise and Even on VRing 0

Filters for the Counterclockwise and Even ring polarity on Virtual

Ring 0.

CCW_VR0_ODD bxxxx1xxx Counterclockwise and Odd on VRing 0

Filters for the Counterclockwise and Odd ring polarity on Virtual

Ring 0.

CW_VR1_EVEN bxxx1xxxx Clockwise and Even on VRing 1

Filters for the Clockwise and Even ring polarity on Virtual Ring 1.

CW_VR1_ODD bxx1xxxxx Clockwise and Odd on VRing 1

Filters for the Clockwise and Odd ring polarity on Virtual Ring 1.

CW b00110011 Clockwise

CCW_VR1_EVEN bx1xxxxxx Counterclockwise and Even on VRing 1

Filters for the Counterclockwise and Even ring polarity on Virtual

Ring 1.

CCW_VR1_ODD b1xxxxxxx Counterclockwise and Odd on VRing 1