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Waivers and Implementation-Dependent Functionality E–7
OpenVMS Alpha
Input: R16 = 3 Function code
R17 = opt Function argument opt is:
<0> = log all processes if set
<1> = log only selected if set
Output: R0 = 1 Success
R0 = 0 Failure (not generated)
Table E–2: DECchip 21064/21066/21068 MUX Control Fields in ICCSR Register
Bits Option Description
34:32 PCMUX1 Event selection, counter 1:
Table E–1: DECchip 21064/21066/21068 Performance Monitoring Functions
(Continued)
Function Register Usage Comments
Value Description
0 Total D-cache misses
1 Total I-cache misses
2 Cycles of dual issue
3 Branch mispredicts (conditional, JSR, HW_REI)
4 FP operate instructions (not BR, LOAD, STORE)
5 Integer operates (including LDA, LDAH into R0–R30)
6 Total store instructions
7 External events supplied by pin