APPC Subsystem on MPE/XL Node Manager's Guide (30294-90007)

64 Chapter3
Control Operator Intrinsics
APPCStart
Default: 0 (tracing disabled)
TFileName
Optional. 8-character ASCII array, left justified and
padded with blanks. This parameter specifies the name
of the trace file, which will be created in the logon group
and account of the user who ran the calling program. A
valid name is up to 8 alphanumeric characters long and
begins with a letter.
The default trace file name is NMTC
xxxx .PUB.SYS,
where
xxxx is a number from 0000 through 9999. This
number is incremented whenever a new trace file is
created.
TFileSize
Optional. 16-bit signed integer; input. A decimal
number, from 0 through 32767, specifying the size of
the trace file, in 128-word records. When
TFileSize
has been reached, trace records are overwritten,
starting at the beginning of the file.
Default: 4096
PerformanceOn
Optional. 16-bit signed integer; input. This parameter
causes the APPC subsystem to gather performance
statistics during run time. These statistics are
displayed when you issue the APPCCONTROL
PERFORMANCE command.
Once the APPC subsystem is active, statistics
gathering can be enabled and disabled with the
APPCCONTROL PERFORMANCEON and APPCCONTROL
PERFORMANCEOFF commands, described in Chapter 2 ,
“Interactive Control Operator Commands.”
Possible values for the
PerformanceOn parameter are
as follows:
1 Performance statistics gathering is
enabled.
0 Performance statistics gathering is
disabled.
Default: 0 (Performance statistics gathering disabled)