Uncore Manual

Uncore Performance Monitoring
Intel® QPI Link Layer Performance Monitoring
136 Reference Number: 329468-002
OPC 8:5 0x0 Opcode
DRS,NCB:
[8] Packet Size, 0 == 9 flits, 1 == 11 flits
NCS:
[8] Packet Size, 0 == 1 or 2 flits, 1 == 3 flits
See Section 2.11, “Packet Matching Reference” for a listing of
opcodes that may be filtered per message class.
VNW 4:3 0x0 Virtual Network
b00 - VN0
b01 - VN1
b1x - VNA
--- 2:0 0x0 Reserved; Must write to 0 else behavior is undefined.
Table 2-135. Q_Py_PCI_PMON_PKT_MASK1 Registers
Field Bits
HW
Reset
Val
Description
--- 31:20 0x0 Reserved; Must write to 0 else behavior is undefined.
RDS 19:16 0x0 Response Data State (valid when MC == DRS and Opcode ==
0x0-2). Bit settings are mutually exclusive.
b1000 - Modified
b0100 - Exclusive
b0010 - Shared
b0001 - Forwarding
b0000 - Invalid (Non-Coherent)
--- 15:4 0x0 Reserved; Must write to 0 else behavior is undefined.
RNID_3_0 3:0 0x0 Remote Node ID(3:0 - Least Significant Bits)
Table 2-136. Q_Py_PCI_PMON_PKT_MASK0 Registers (Sheet 1 of 2)
Field Bits
HW
Reset
Val
Description
RNID_4 31 0x0 Remote Node ID(Bit 4 - Most Significant Bit)
--- 30:18 0x0 Reserved; Must write to 0 else behavior is undefined.
DNID 17:13 0x0 Destination Node ID
MC 12:9 0x0 Message Class
Table 2-134. Q_Py_PCI_PMON_PKT_MATCH0 Registers (Sheet 2 of 2)
Field Bits
HW
Reset
Val
Description