Intel NETWORK PROCESSOR IXP2800 User Manual
Page 399

Hardware Reference Manual
399
Intel
®
IXP2800 Network Processor
Performance Monitor Unit
70
SPI-4 Packet received
P_CLK
pulse
separate
Indicates that the SPI-4 state machine after
the Receive input FIFO has received an
SPI-4 packet.
71
reserved
72
Data CFrame transmitted
P_CLK
level
separate
Indicates that the transmit buffer state
machine is writing a CSIX Data CFRAME
into the transmit FIFO; One P_CLK cycle
indicates a 32-bit write into the transmit
FIFO.
73
Control CFrame transmitted
P_CLK
level
separate
Indicates the transmit buffer state machine
is writing a CSIX Control CFRAME into the
transmit FIFO; One P_CLK cycle indicates a
32-bit write into the transmit FIFO.
74
SPI-4 CFrame transmitted
P_CLK
level
separate
Indicates the transmit buffer state machine
is writing an SPI-4 Packet into the transmit
FIFO; One P_CLK cycle indicates a 32-bit
write into the transmit FIFO.
75
reserved
76
Tx_Valid[0] is set
P_CLK
level
separate
77
Tx_Valid[8] is set
P_CLK
level
separate
78
Tx_Valid[16] is set
P_CLK
level
separate
79
Tx_Valid[24] is set
P_CLK
level
separate
80
Tx_Valid[32] is set
P_CLK
level
separate
81
Tx_Valid[48] is set
P_CLK
level
separate
82
Tx_Valid[64] is set
P_CLK
level
separate
83
Tx_Valid[96] is set
P_CLK
level
separate
84
Tbuffer Partition 0 empty
P_CLK
level
separate
Indicates partition 0 of the tbuffer is empty.
85
Tbuffer Partition 1 empty
P_CLK
level
separate
Indicates partition 1 of the tbuffer is empty.
86
Tbuffer Partition 2 empty
P_CLK
level
separate
Indicates partition 2of the tbuffer is empty.
87
reserved
88
D_PUSH_DATA write to
TBUF
P_CLK
pulse
separate
Each write is in units of quadwords (8
bytes).
89
S_PULL_DATA_0 write to
TBUF
P_CLK
pulse
separate
Each write is in units of longwords (4 bytes).
90
S_PULL_DATA_1 write to
TBUF
P_CLK
pulse
separate
Each write is in units of longwords (4 bytes).
91
CSR write
P_CLK
pulse
separate
92
D_PULL_DATA read from
RBUF
P_CLK
pulse
separate
Each read is in units of quadwords (8 bytes).
93
S_PUSH_DATA read from
RBUF
P_CLK
pulse
separate
Each read is in units of longwords (4 bytes).
94
CSR read
P_CLK
pulse
separate
95
CSR fast write
P_CLK
pulse
separate
96
RX Autopush Asserts for
Null and Non-Null
Autopushes
P_CLK
pulse
separate
Table 157. IXP2800 Network Processor MSF PMU Event List (Sheet 4 of 6)