PEEK Reference Manual

PEEK Syntax and Examples
PEEK Reference Manual — 529657-006
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Elements of the PAGING Display
Examples
1. This example displays paging statistics for processor 2 since it was last loaded:
> PEEK / CPU 2 / PAGING
PEEK - T9050G09 - (05AUG02) SYSTEM \TOMMY
COPYRIGHT TANDEM COMPUTERS INCORPORATED 1981, 1985, 1988, 1990
SYSTEM \TOMMY
26 FEB 2004, 15:19___ELAPSD 21:31:27___CPU 2(NSR-T)
PAGES: PHYSCL SWAPBL FREE FREEMIN FREEQTA FREERED UNDUMPED
(16Kb) 16384 16225 12632 9 10 5 0
PAGES: LOCKED LOCKED(KSEG0)
(16 Kb) 3725/14159 3725/28495
FAULTS ALLOCS DISKREADS DISKWRITES MUTEXCRAX NONMUTEXCRAX
TOTAL 1157 4497 928 0 254 3118
(per sec) 0.01 0.05 0.01 0.00 0.00 0.04
REDHIT REDBUSY REDTASK
TOTAL 0 0 0
(per sec) 0.00 0.00 0.00
CLEANQ: FULLS FRLST:HITS CLOCK:CALLS FAILS CYCLES ALIASES: FAILS
0 0 2422 3705 0 0.31 0 0
2. This example displays paging statistics for processor 2 since it was last loaded and
for the 10-second period since Report 1:
> PEEK / CPU 2 / PAGING, 2, 10, DYNAMIC
CLOCK Reports these statistics about the algorithm for the page frame
selection of the memory manager, which identifies and reallocates the
oldest allocated but unused page:

CALLS — number of times the algorithm was invoked to obtain a
page frame.

FAILS — number of times the algorithm failed to find a replaceable
page.

CYCLES — total number of times the entire swappable page set
has been searched.
ALIASES Reports these statistics for addressing of unaliased selectable
segments:

ALIASES—number of times an absolute address was created from
a literal address for an unaliased selectable segment. This value
should normally be 0.

FAILS—number of times an attempt to create an absolute address
from a literal address for an unaliased selectable segment failed.
This value should normally be 0.
Table 2-7. PAGING Elements Reported in the PAGING Display (page 3 of 3)
Element Description