Uncore Manual

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Uncore Performance Monitoring

Cacheing Agent (Cbo) Performance Monitoring

38 Reference Number: 329468-002

2.3.6 CBO Box Common Metrics (Derived Events)

The following table summarizes metrics commonly calculated from CBO Box events.

COUNTER0_OCCUPANCY 0x1f 1-3 20 Counter 0 Occupancy

RxR_IPQ_RETRY 0x31 0-1 1 Probe Queue Retries

RxR_IRQ_RETRY 0x32 0-1 1 Ingress Request Queue Rejects

RxR_ISMQ_RETRY 0x33 0-1 1 ISMQ Retries

LLC_LOOKUP 0x34 0-1 1 Cache Lookups

TOR_INSERTS 0x35 0-1 1 TOR Inserts

TOR_OCCUPANCY 0x36 0 20 TOR Occupancy

LLC_VICTIMS 0x37 0-1 1 Lines Victimized

MISC 0x39 0-1 1 Cbo Misc

Symbol Name:

Definition

Equation

AVG_INGRESS_DEPTH:

Average Depth of the Ingress Queue

through the sample interval

RxR_OCCUPANCY.IRQ / SAMPLE_INTERVAL

AVG_INGRESS_LATENCY:

Average Latency of Requests through the

Ingress Queue in Uncore Clocks

RxR_OCCUPANCY.IRQ / RxR_INSERTS.IRQ

AVG_INGRESS_LATENCY_WHEN_NE:

Average Latency of Requests through the

Ingress Queue in Uncore Clocks when Ingress

Queue has at least one entry

RxR_OCCUPANCY.IRQ /

COUNTER0_OCCUPANCY{edge_det,thresh=0x1}

AVG_TOR_DRDS_MISS_WHEN_NE:

Average Number of Data Read Entries that

Miss the LLC when the TOR is not empty.

(TOR_OCCUPANCY.MISS_OPCODE /

COUNTER0_OCCUPANCY{edge_det,thresh=0x1}))

with:Cn_MSR_PMON_BOX_FILTER1.opc=0x182

AVG_TOR_DRDS_WHEN_NE:

Average Number of Data Read Entries when

the TOR is not empty.

(TOR_OCCUPANCY.OPCODE /

COUNTER0_OCCUPANCY{edge_det,thresh=0x1})

with:Cn_MSR_PMON_BOX_FILTER1.opc=0x182

AVG_TOR_DRD_HIT_LATENCY:

Average Latency of Data Reads through the

TOR that hit the LLC

((TOR_OCCUPANCY.OPCODE -

TOR_OCCUPANCY.MISS_OPCODE) /

(TOR_INSERTS.OPCODE - TOR_INSERTS.MISS_OPCODE))

with:Cn_MSR_PMON_BOX_FILTER.opc=0x182

AVG_TOR_DRD_LATENCY:

Average Latency of Data Read Entries

making their way through the TOR

(TOR_OCCUPANCY.OPCODE / TOR_INSERTS.OPCODE)

with:Cn_MSR_PMON_BOX_FILTER1.opc=0x182

AVG_TOR_DRD_LOC_MISS_LATENCY:

Average Latency of Data Reads through the

TOR that miss the LLC and were satisfied by

Local Memory

(TOR_OCCUPANCY.MISS_OPCODE /

TOR_INSERTS.MISS_OPCODE)

with:Cn_MSR_PMON_BOX_FILTER1.{opc,nid}={0x182,my

_node}

AVG_TOR_DRD_MISS_LATENCY:

Average Latency of Data Reads through the

TOR that miss the LLC

(TOR_OCCUPANCY.MISS_OPCODE /

TOR_INSERTS.MISS_OPCODE)

with:Cn_MSR_PMON_BOX_FILTER1.opc=0x182

AVG_TOR_DRD_REM_MISS_LATENCY:

Average Latency of Data Reads through the

TOR that miss the LLC and were satisfied by a

Remote cache or Remote Memory

(TOR_OCCUPANCY.MISS_OPCODE /

TOR_INSERTS.MISS_OPCODE)

with:Cn_MSR_PMON_BOX_FILTER.{opc,nid}={0x182,other

_nodes}

CYC_INGRESS_BLOCKED:

Cycles the Ingress Request Queue arbiter

was Blocked

RxR_EXT_STARVED.IRQ / SAMPLE_INTERVAL

Symbol Name

Event

Code

Ctrs

Max

Inc/

Cyc

Description