Uncore Manual
Uncore Performance Monitoring
Memory Controller (iMC) Performance Monitoring
82 Reference Number: 329468-002
Symbol Name
Event
Code
Ctrs
Max
Inc/
Cyc
Description
DCLOCKTICKS 0x00 0-3 1 DRAM Clockticks
ACT_COUNT 0x01 0-3 1 DRAM Activate Count
PRE_COUNT 0x02 0-3 1 DRAM Precharge commands.
CAS_COUNT 0x04 0-3 1 DRAM RD_CAS and WR_CAS Commands.
DRAM_REFRESH 0x05 0-3 1 Number of DRAM Refreshes Issued
DRAM_PRE_ALL 0x06 0-3 1 DRAM Precharge All Commands
MAJOR_MODES 0x07 0-3 1 Cycles in a Major Mode
PREEMPTION 0x08 0-3 1 Read Preemption Count
ECC_CORRECTABLE_ERRORS 0x09 0-3 1 ECC Correctable Errors
RPQ_INSERTS 0x10 0-3 1 Read Pending Queue Allocations
RPQ_CYCLES_NE 0x11 0-3 1 Read Pending Queue Not Empty
WPQ_INSERTS 0x20 0-3 1 Write Pending Queue Allocations
WPQ_CYCLES_NE 0x21 0-3 1 Write Pending Queue Not Empty
WPQ_CYCLES_FULL 0x22 0-3 1 Write Pending Queue Full Cycles
WPQ_READ_HIT 0x23 0-3 1 Write Pending Queue CAM Match
WPQ_WRITE_HIT 0x24 0-3 1 Write Pending Queue CAM Match
POWER_THROTTLE_CYCLES 0x41 0-3 1 Throttle Cycles for Rank 0
POWER_PCU_THROTTLING 0x42 0-3 1
POWER_SELF_REFRESH 0x43 0-3 0 Clock-Enabled Self-Refresh
POWER_CKE_CYCLES 0x83 0-3 16 CKE_ON_CYCLES by Rank
POWER_CHANNEL_DLLOFF 0x84 0-3 1 Channel DLLOFF Cycles
POWER_CHANNEL_PPD 0x85 0-3 4 Channel PPD Cycles
POWER_CRITICAL_THROTTLE_CYCL
ES
0x86 0-3 1 Critical Throttle Cycles
VMSE_WR_PUSH 0x90 0-3 1 VMSE WR PUSH issued
VMSE_MXB_WR_OCCUPANCY 0x91 0-3 32 VMSE MXB write buffer occupancy
RD_CAS_PRIO 0xa0 0-3 1
BYP_CMDS 0xa1 0-3 1
RD_CAS_RANK0 0xb0 0-3 1 RD_CAS Access to Rank 0
RD_CAS_RANK1 0xb1 0-3 1 RD_CAS Access to Rank 1
RD_CAS_RANK2 0xb2 0-3 1 RD_CAS Access to Rank 2
RD_CAS_RANK3 0xb3 0-3 1 RD_CAS Access to Rank 3
RD_CAS_RANK4 0xb4 0-3 1 RD_CAS Access to Rank 4
RD_CAS_RANK5 0xb5 0-3 1 RD_CAS Access to Rank 5
RD_CAS_RANK6 0xb6 0-3 1 RD_CAS Access to Rank 6
RD_CAS_RANK7 0xb7 0-3 1 RD_CAS Access to Rank 7
WR_CAS_RANK0 0xb8 0-3 1 WR_CAS Access to Rank 0
WR_CAS_RANK1 0xb9 0-3 1 WR_CAS Access to Rank 1
WR_CAS_RANK2 0xba 0-3 1 WR_CAS Access to Rank 2
WR_CAS_RANK3 0xbb 0-3 1 WR_CAS Access to Rank 3
WR_CAS_RANK4 0xbc 0-3 1 WR_CAS Access to Rank 4
WR_CAS_RANK5 0xbd 0-3 1 WR_CAS Access to Rank 5