Compaq EV67 User Manual
6–24
Privileged Architecture Library Code
Alpha 21264/EV67 Hardware Reference Manual
Performance Counter Support
6.10.3.4 Counter Modes for ProfileMe Mode
Table 6–14 shows the counter modes that are used with ProfileMe mode.
Table 6–14 ProfileMe Mode PCTR_CTL Input Select Fields
SL0[4]
SL1[3:2] PCTR0
PCTR1
1
00
Retired instructions
Cycle counting
1
01
Cycle counting
Inum retire delay
1
10
Retired instructions
Bcache miss or long latency probes
1
11
Cycle counting
Mbox replay traps