FUJITSU Implementation Supplement Fujitsu SPARC64 V - Manual (Page 221)

210 SPARC JPS1 Implementation Supplement: Fujitsu SPARC64 V • Release 1.0, 1 July 2002
Q.2.5 UPA Event Counters
UPA event counters count the number of S_REQ_ xxx requests received by a CPU in
a given time.
● INV Receive Count (sreq_bi_count)
Counts the number of S_INV_REQ packets received.
● CPI Receive Count (sreq_cpi_count)
Counts the number of S_CPI_REQ packets received.
● CPB Receive Count (sreq_cpb_count)
Counts the number of S_CPB_REQ packets received.
● CPD Receive Count (sreq_cpd_count)
Counts the number of S_CPD_REQ packets received.
● UPA Address Bus Busy Cycle (upa_abus_busy)
Counts the number of bus-busy cycles of the UPA address bus, in units of UPA
bus clocks, not in units of CPU clocks.
● UPA Data Bus Busy Cycle (upa_data_busy)
Counts the number of bus-busy cycles of the UPA data bus, in units of UPA bus
clocks, not in units of CPU clocks.
Counter picu0
Encoding 110001
2
Counter picl0
Encoding 110001
2
Counter picu1
Encoding 110001
2
Counter picl1
Encoding 110001
2
Counter picu2
Encoding 110001
2
Counter picl2
Encoding 110001
2