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Intel BX80571E7500 Programming Manual - Page 66

Table 2-37. Performance Monitor Events for S-Box Events

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INTEL® XEON® PROCESSOR 7500 SERIES UNCORE PROGRAMMING GUIDE UNCORE PERFORMANCE MONITORING Table 2-37. Performance Monitor Events for S-Box Events Symbol Name TO_RING_NCB_MSGQ_CYCLES_NE TO_RING_NCS_MSGQ_CYCLES_NE TO_RING_MSGQ_OCCUPANCY TO_RING_NDR_MSGQ_CYCLES_FULL TO_RING_NDR_MSGQ_CYCLES_NE TO_RING_NDR_MSGQ_OCCUPANCY TO_RING_R2S_MSGQ_CYCLES_FULL TO_RING_R2S_MSGQ_CYCLES_NE TO_RING_R2S_MSGQ_OCCUPANCY TO_RING_B2S_MSGQ_CYCLES_FULL TO_RING_B2S_MSGQ_CYCLES_NE TO_RING_B2S_MSGQ_OCCUPANCY HALFLINE_BYPASS REQ_TBL_OCCUPANCY EGRESS_BYPASS EGRESS_ARB_WINS EGRESS_ARB_LOSSES EGRESS_STARVED RBOX_HOM_BYPASS RBOX_SNP_BYPASS S2B_HOM_BYPASS B2S_DRS_BYPASS BBOX_HOM_BYPASS PKTS_SENT_HOM PKTS_SENT_SNP PKTS_SENT_NDR PKTS_SENT_DRS FLITS_SENT_DRS PKTS_SENT_NCS FLITS_SENT_NCS PKTS_SENT_NCB FLITS_SENT_NCB RBOX_CREDIT_RETURNS BBOX_CREDIT_RETURNS TO_R_B_REQUESTS PKTS_RCVD_NDR PKTS_RCVD_SNP PKTS_RCVD_DRS_FROM_R PKTS_RCVD_DRS_FROM_B PKTS_RCVD_NCS PKTS_RCVD_NCB RBOX_CREDITS BBOX_CREDITS Event Max Code Inc/Cyc Description 0x24 0x25 0x26 0x27 0x28 0x29 0x2A 0x2B 0x2C 0x2D 0x2E 0x2F 0x30 0x31 0x40 0x41 0x42 0x43 0x50 0x51 0x52 0x53 0x54 0x60 0x62 0x63 0x64 0x65 0x66 0x67 0x68 0x69 0x6A 0x6B 0x6C 0x70 0x71 0x72 0x73 0x74 0x75 0x76 0x77 1 Cycles Ring Bound NCB Message Queue Not Empty 1 Cycles Ring Bound NCS Message Queue Not Empty 361 Cycles Ring Bound Message Queue Occupancy 1 Cycles Ring Bound NDR Message Queue Full. 1 Cycles Ring Bound NDR Message Queue Not Empty 321 Ring Bound NDR Message Queue Occupancy 1 Cycles Ring Bound R2S Message Queue Full. 1 Cycles Ring Bound R2S Message Queue Not Empty 8 Ring Bound R2S Message Queue Occupancy 1 Cycles Ring Bound B2S Message Queue Full. 1 Cycles Ring Bound B2S Message Queue Not Empty 8 Ring Bound B2S Message Queue Occupancy 1 Half Cacheline Bypass 48 Request Table Occupancy 1 Egress Bypass 1 Egress ARB Wins 1 Egress ARB Losses 1 Egress Cycles in Starvation 1 R-Box HOM Bypass 1 R-Box SNP Bypass 1 S-Box to B-Box HOM Bypass 1 B-Box to S-Box DRS Bypass 1 B-Box HOM Bypass 1 HOM Packets Sent to System 1 SNP Packets Sent to System 1 NDR Packets Sent to System 1 DRS Packets Sent to System 1 DRS Flits Sent to System 1 NCS Packets Sent to System 1 NCS Flits Sent to System 1 NCB Packets Sent to System 1 NCB Flits Sent to System 1 R-Box Credit Returns 1 B-Box Credit Returns 1 System Bound Requests 1 NDR Packets Received from System 1 SNP Packets Received from System 1 DRS Packets Received from R-Box 1 DRS Packets Received from B-Box 1 NCS Packets Received from System 1 NCB Packets Received from System 1 R-Box Credit Carrying Flits 1 B-Box Credit Carrying Flits 2-54

Section	Page
CHAPTER 1 INTRODUCTION	9
1.1 INTRODUCTION	9
1.2 Uncore PMU Overview	9
1.3 Uncore PMU Summary Tables	10
1.4 References	11
CHAPTER 2 UNCORE PERFORMANCE MONITORING	13
2.1 Global Performance Monitoring Control	13
2.1.1 Counter Overflow	13
2.1.1.1 Freezing on Counter Overflow	13
2.1.1.2 PMI on Counter Overflow	13
2.1.2 Setting up a Monitoring Session	13
2.1.3 Reading the Sample Interval	14
2.1.4 Enabling a New Sample Interval from Frozen Counters	14
2.1.5 Global Performance Monitors	15
2.1.5.1 Global PMON Global Control/Status Registers	15
2.2 U-Box Performance Monitoring	17
2.2.1 U-Box PMON Summary	17
2.2.1.1 U-Box Box Level PMON State	17
2.2.1.2 U-Box PMON state - Counter/Control Pairs	17
2.2.2 U-Box Performance Monitoring Events	18
2.2.3 U-Box Events Ordered By Code	18
2.2.4 U-Box Performance Monitor Event List	19
2.3 C-Box Performance Monitoring	21
2.3.1 Overview of the C-Box	21
2.3.2 C-Box Performance Monitoring Overview	21
2.3.2.1 C-Box PMU - Overflow, Freeze and Unfreeze	21
2.3.3 C-BOX Performance Monitors	22
2.3.3.1 C-Box Box Level PMON state	25
2.3.3.2 C-Box PMON state - Counter/Control Pairs	26
2.3.4 C-BOX Performance Monitoring Events	28
2.3.4.1 An Overview:	28
2.3.4.2 Acronyms frequently used in C-Box Events:	28
2.3.4.3 The Queues:	29
2.3.4.4 Detecting Performance Problems in the C-Box Pipeline:	29
2.3.5 C-Box Events Ordered By Code	29
2.3.6 C-Box Performance Monitor Event List	30
2.4 B-Box Performance Monitoring	41
2.4.1 Overview of the B-Box	41
2.4.2 B-Box Performance Monitoring Overview	41
2.4.2.1 B-Box PMU - On Overflow and the Consequences (PMI/Freeze)	41
2.4.3 B-BOX Performance Monitors	42
2.4.3.1 B-Box Box Level PMON state	42
2.4.3.2 B-Box PMON state - Counter/Control Pairs + Filters	43
2.4.4 B-Box Performance Monitoring Events	45
2.4.4.1 On the ARBQ:	45
2.4.4.2 On the Major B-Box Structures:	46
2.4.4.3 On InvItoE Transactions:	46
2.4.5 B-Box Events Ordered By Code	46
2.4.6 B-Box Performance Monitor Event List	48
2.5 S-Box Performance Monitoring	57
2.5.1 Overview of the S-Box	57
2.5.2 S-Box Performance Monitoring Overview	57
2.5.2.1 S-Box PMU - Overflow, Freeze and Unfreeze	57
2.5.3 S-BOX Performance Monitors	57
2.5.3.1 S-Box PMON for Global State	58
2.5.3.2 S-Box Box Level PMON state	59
2.5.3.3 S-Box PMON state - Counter/Control Pairs + Filters	60
2.5.3.4 S-Box Registers for Mask/Match Facility	61
2.5.4 S-BOX Performance Monitoring Events	63
2.5.4.1 An Overview	63
2.5.4.2 On Queue Occupancy Usage	63
2.5.4.3 On Packet Transmission Events	64
2.5.5 S-Box Events Ordered By Code	65
2.5.6 S-Box Performance Monitor Event List	67
2.6 R-Box Performance Monitoring	84
2.6.1 Overview of the R-Box	84
2.6.1.1 R-Box Input Port	84
2.6.1.2 R-Box Arbitration Control	84
2.6.1.3 R-Box Output Port	85
2.6.1.4 R-Box Link Layer Resources	85
2.6.2 R-Box Performance Monitoring Overview	85
2.6.2.1 Choosing An Event To Monitor - Example	85
2.6.2.2 R-Box PMU - Overflow, Freeze and Unfreeze	86
2.6.3 R-BOX Performance Monitors	86
2.6.3.1 R-Box Performance Monitors To Port Mapping	89
2.6.3.2 R-Box Box Level PMON state	90
2.6.3.3 R-Box PMON state - Counter/Control Pairs + Filters	90
2.6.3.4 R-Box IPERF Performance Monitoring Control Registers	94
2.6.3.5 R-Box QLX Performance Monitoring Control Registers	95
2.6.3.6 R-Box Registers for Mask/Match Facility	96
2.6.4 R-BOX Performance Monitoring Events	99
2.6.4.1 An Overview:	99
2.6.5 R-Box Events Ordered By Code	99
2.6.6 R-Box Performance Monitor Event List	100
2.7 M-Box Performance Monitoring	107
2.7.1 Overview of the M-Box	107
2.7.2 Functional Overview	107
2.7.2.1 Intel ® 7500 Scalable Memory Buffer	108
2.7.3 M-Box Performance Monitoring Overview	108
2.7.3.1 Choosing An Event To Monitor - Example using subcontrol registers	108
2.7.3.2 M-Box PMU - Overflow, Freeze and Unfreeze	109
2.7.4 M-BOX Performance Monitors	110
2.7.4.1 M-Box Box Level PMON state	111
2.7.4.2 M-Box PMON state - Counter/Control Pairs	112
2.7.4.3 M-Box PMU Filter Registers	114
2.7.4.4 M-Box PMU Subcontrol Registers - Subunit descriptions	114
2.7.5 M-Box Performance Monitoring Events	121
2.7.5.1 An Overview:	121
2.7.6 M-Box Events Ordered By Code	122
2.7.7 M-Box Performance Monitor Event List	123
2.8 W-Box Performance Monitoring	136
2.8.1 Overview of the W-Box	136
2.8.2 W-Box Performance Monitoring Overview	136
2.8.2.1 W-Box PMU - Overflow, Freeze and Unfreeze	136
2.8.3 W-BOX Performance Monitors	137
2.8.3.1 W-Box Box Level PMON state	137
2.8.3.2 W-Box PMON state - Counter/Control Pairs	138
2.8.4 W-BOX Performance Monitoring Events	140
2.8.4.1 An Overview:	140
2.8.5 W-Box Events Ordered By Code	140
2.8.6 W-Box Performance Monitor Event List	140

Match case Limit results 1 per page

NTEL

® X

EON

® P

ROCESSOR

7500 S

ERIES

NCORE

ROGRAMMING

UIDE

UNCORE PERFORMANCE MONITORING

2-54

TO_RING_NCB_MSGQ_CYCLES_NE

0x24

Cycles Ring Bound NCB Message Queue Not Empty

TO_RING_NCS_MSGQ_CYCLES_NE

0x25

Cycles Ring Bound NCS Message Queue Not Empty

TO_RING_MSGQ_OCCUPANCY

0x26

361

Cycles Ring Bound Message Queue Occupancy

TO_RING_NDR_MSGQ_CYCLES_FULL

0x27

Cycles Ring Bound NDR Message Queue Full.

TO_RING_NDR_MSGQ_CYCLES_NE

0x28

Cycles Ring Bound NDR Message Queue Not Empty

TO_RING_NDR_MSGQ_OCCUPANCY

0x29

321

Ring Bound NDR Message Queue Occupancy

TO_RING_R2S_MSGQ_CYCLES_FULL

0x2A

Cycles Ring Bound R2S Message Queue Full.

TO_RING_R2S_MSGQ_CYCLES_NE

0x2B

Cycles Ring Bound R2S Message Queue Not Empty

TO_RING_R2S_MSGQ_OCCUPANCY

0x2C

Ring Bound R2S Message Queue Occupancy

TO_RING_B2S_MSGQ_CYCLES_FULL

0x2D

Cycles Ring Bound B2S Message Queue Full.

TO_RING_B2S_MSGQ_CYCLES_NE

0x2E

Cycles Ring Bound B2S Message Queue Not Empty

TO_RING_B2S_MSGQ_OCCUPANCY

0x2F

Ring Bound B2S Message Queue Occupancy

HALFLINE_BYPASS

0x30

Half Cacheline Bypass

REQ_TBL_OCCUPANCY

0x31

Request Table Occupancy

EGRESS_BYPASS

0x40

Egress Bypass

EGRESS_ARB_WINS

0x41

Egress ARB Wins

EGRESS_ARB_LOSSES

0x42

Egress ARB Losses

EGRESS_STARVED

0x43

Egress Cycles in Starvation

RBOX_HOM_BYPASS

0x50

R-Box HOM Bypass

RBOX_SNP_BYPASS

0x51

R-Box SNP Bypass

S2B_HOM_BYPASS

0x52

S-Box to B-Box HOM Bypass

B2S_DRS_BYPASS

0x53

B-Box to S-Box DRS Bypass

BBOX_HOM_BYPASS

0x54

B-Box HOM Bypass

PKTS_SENT_HOM

0x60

HOM Packets Sent to System

PKTS_SENT_SNP

0x62

SNP Packets Sent to System

PKTS_SENT_NDR

0x63

NDR Packets Sent to System

PKTS_SENT_DRS

0x64

DRS Packets Sent to System

FLITS_SENT_DRS

0x65

DRS Flits Sent to System

PKTS_SENT_NCS

0x66

NCS Packets Sent to System

FLITS_SENT_NCS

0x67

NCS Flits Sent to System

PKTS_SENT_NCB

0x68

NCB Packets Sent to System

FLITS_SENT_NCB

0x69

NCB Flits Sent to System

RBOX_CREDIT_RETURNS

0x6A

R-Box Credit Returns

BBOX_CREDIT_RETURNS

0x6B

B-Box Credit Returns

TO_R_B_REQUESTS

0x6C

System Bound Requests

PKTS_RCVD_NDR

0x70

NDR Packets Received from System

PKTS_RCVD_SNP

0x71

SNP Packets Received from System

PKTS_RCVD_DRS_FROM_R

0x72

DRS Packets Received from R-Box

PKTS_RCVD_DRS_FROM_B

0x73

DRS Packets Received from B-Box

PKTS_RCVD_NCS

0x74

NCS Packets Received from System

PKTS_RCVD_NCB

0x75

NCB Packets Received from System

RBOX_CREDITS

0x76

R-Box Credit Carrying Flits

BBOX_CREDITS

0x77

B-Box Credit Carrying Flits

Table 2-37. Performance Monitor Events for S-Box Events

Symbol Name

Event

Code

Max

Inc/Cyc

Description