Intel Xeon E5-2600 Series - Intel QPI LL Box Common Metrics (Derived Events)

Intel® Xeon® Processor E5-2600 Product Family Uncore Performance Monitoring
96 Reference Number: 327043-001
2.7.6 Intel QPI LL Box Common Metrics (Derived Events)
The following table summarizes metrics commonly calculated from Intel QPI LL Box events.
VNA_CREDIT_RETURN_OCCUPANCY 0x1B 1 0-3 128 VNA Credits Pending Return -
Occupancy
VNA_CREDIT_RETURNS 0x1C 1 0-3 1 VNA Credits Returned
RxL_CREDITS_CONSUMED_VNA 0x1D 1 0-3 1 VNA Credit Consumed
RxL_CREDITS_CONSUMED_VN0 0x1E 1 0-3 1 VN0 Credit Consumed
CTO_COUNT 0x38 1 0-3 2 Count of CTO Events
Table 2-95. Metrics Derived from Intel QPI LL Events (Sheet 1 of 3)
Symbol Name:
Definition
Equation
DATA_FROM_QPI:
Data received from QPI in bytes ( = DRS +
NCB Data messages received from QPI)
DRS_DATA_MSGS_FROM_QPI + NCB_DATA_MSGS_FROM_QPI
DATA_FROM_QPI_TO_HA_OR_IIO:
Data received from QPI forwarded to HA or
IIO. Expressed in Bytes
DATA_FROM_QPI - DATA_FROM_QPI_TO_LLC
DATA_FROM_QPI_TO_LLC:
Data received from QPI forwarded to LLC.
Expressed in Bytes
DIRECT2CORE.SUCCESS * 64
DATA_FROM_QPI_TO_NODEx:
Data packets received from QPI sent to
Node ID 'x'. Expressed in bytes
DRS_DataC_FROM_QPI_TO_NODEx +
DRS_WRITE_FROM_QPI_TO_NODEx +
NCB_DATA_FROM_QPI_TO_NODEx
DRS_DATA_MSGS_FROM_QPI:
DRS Data Messges From QPI in bytes
(RxL_FLITS_G1.DRS_DATA * 8)
DRS_DataC_FROM_QPI_TO_NODEx:
DRS DataC packets received from QPI sent
to Node ID 'x'. Expressed in bytes
(CTO_COUNT
with:{Q_Py_PCI_PMON_PKT_MATCH0{[12:0],dnid}={0x1C00,
x} Q_Py_PCI_PMON_PKT_MASK0[17:0]=0x3FF80) * 64
DRS_FULL_CACHELINE_MSGS_FROM_QPI:
DRS Full Cacheline Data Messges From QPI
in bytes
(CTO_COUNT
with:{Q_Py_PCI_PMON_PKT_MATCH0[12:0]=0x1C00,Q_Py_PC
I_PMON_PKT_MASK0[12:0]=0x1F00}) * 64)
Table 2-94. Performance Monitor Events for Intel® QPI LL (Sheet 2 of 2)
Symbol Name
Event
Code
Extra
Select
Bit
Ctrs
Max
Inc/
Cyc
Description