TOPS-10 Monitor Calls Manual Volume 2 AA-K039D ... - Trailing-Edge

PERF. [CALLI 162]
22.121 PERF. [CALLI 162]
FUNCTION
Allows privileged programs to perform system measurements over a
period of time. The PERF. call works only on the KL10 processor.
Note that only one job at a time may uS'e the performance meter on each
cpu. The PERF. functions are discussed in Chapter 10.
CALLING SEQUENCE
MOVE ac, [XWD fl, addr]
PERF. ac,
error return
skip return
addr: XWD fcncode,faddr
XWD
fcncode,faddr
In the calling sequence, the program supplies the following variables:
o
n is the number of function words specified in the argument
block, which begins at addr.
o addr is the address of the argument block. The argument
block is a list of the functions to be enabled and the
address of the argument list that defines each function,
allowing you to specify multiple functions in a single
monitor call.
o fcncode is one of the function codes described on the
following pages of this manual.
o faddr is the address of the function code argument
Each function must have a corresponding argument list.
argument lists are described with the function codes.
list.
These
The function codes and their meanings are:
Code
1
2
3
4
5
6
7
Symbol
. PRSET
.PRSTR
.PRRED
.PRSTP
.PRRES
.PRBPF
.PRBPN
Function
Sets up the performance meter .
Starts the performance meter.
Reads the performance meter.
Stops the performance meter.
Releases the performance meter.
Turns background PERF analysis off.
Turns background PERF analysis on.
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