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6–24 Privileged Architecture Library Code
21264/EV68A 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