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4 counter modes for profileme mode, Counter modes for profileme mode, Profileme mode pctr_ctl input select fields – Compaq 21264 User Manual

Page 208: Ee table 6–14 fo

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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