Trailing-Edge
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PDP-10 Archives
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BB-BT99T-BB_1990
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10,7/system/systat.hlp
There are 12 other files named systat.hlp in the archive. Click here to see a list.
SYSTAT Command
Function
The SYSTAT command prints status information about the system.
To write the information on the disk as a file with the name
SYSTAT.TXT, assign device DSK: with logical name SYSTAT.
SYSTAT prints the status of the system: system name, time of
day, date, system uptime, CPU uptime on an SMP system, percent
null time (idle plus lost time), number of jobs in use.
SYSTAT prints the status of each job logged-in: job-number;
project-programmer number ([OPR] is the operator's job, [SELF] is
your job), terminal line number (CTY is console terminal, DET is
detached, Pn is PTY number); program name being run; program
size; job and swapped state (see the TOPS-10 Monitor Calls
Manual), and runtime since the job logged in.
SYSTAT prints the status of high segments being used: name (PRIV
is nonsharable, OBS is superseded); device or file structure name
from which the segment came; the directory name; the size (SW is
swapped out, SWF is swapped out and fragmented, F is in core and
fragmented on disk, SPY signifies using the SPY monitor call);
the number of users in core or on the disk.
SYSTAT prints the amount of swapping space used, the virtual
memory used, swapping ratio, active swapping ratio, virtual
memory saved by sharing, and average job size.
SYSTAT prints status of busy devices: device name, job-number,
how device is assigned (AS is ASSIGN command, INIT is INIT or
OPEN monitor call, AS+INIT is both ways).
SYSTAT prints system file structures: free blocks, mount count,
single-access structures, and private structures.
SYSTAT prints non-network dataset control: number of the
terminal, status of the terminal.
Format
SYSTAT arg
Where: arg is one or more single letters (in any order) used
to specify any subset of the SYSTAT output. The
argument is optional. The following is a list of the
arguments:
Argument Function
B Prints busy device status.
C Prints continuous SYSTAT.
D Prints dormant segment status.
E Prints non-disk error report.
F Prints file structure status.
G Prints other system status.
H Prints help text listing the arguments.
J Prints job status.
L Lists the SYSTAT output on LPT.
N Prints non-job status (that is, all information
except J).
P Prints disk performance.
S Prints short job status.
T Prints dataset status.
U Includes user names in output.
V Prints paged output for display terminals.
X Reads the file DSK:CRASH.EXE if found, otherwise
reads
specified crashed monitor written in .EXE format.
Meanings of job state codes:
AU Disk alter UFD wait.
^C Job stopped.
CA Core allocation wait (to be locked).
CB Disk core block scan wait.
CW Command wait.
^D DAEMON wait.
D1 DECtape control wait.
D2 2nd DECtape control wait.
DA Disk storage allocation (SAT block) wait.
DC Data control wait.
DI Disk I/O wait.
DS Disk I/O wait satisfied.
EQ ENQ/DEQ resource wait
EV Exec virtual memory wait.
EW Event wait.
HB Hibernate state.
IO I/O wait.
JD DAEMON wait.
MM Memory management resource wait.
NA Nap (short sleep).
NU Null state.
OW Operator wait.
PI Paging I/O wait.
PS Paging I/O wait satisfied.
RN In a run queue.
SL Sleep wait.
ST Stop (^C) state.
SW Swapped out.
SWF Swapped out and fragmented on disk.
TI TTY I/O wait (input).
TO TTY output.
TS TTY I/O wait satisfied.
^W Command wait.
WS I/O wait satisfied.
You can obtain output for individual jobs by specifying one of
the following after the command:
A number n that causes information to be listed only for the
specified job (that is, job n). A period causes information
for your job to be printed.
A project-programmer number specified in square brackets
causes information to be printed only for jobs with the
specified project-programmer number. The project and/or
programmer number can be specified with an asterisk.
A number preceded by a number sign (#n) causes information
to be printed only for jobs from the indicated terminal
(that is, TTYn). In addition, a C following the command
indicates CTY, Pnn indicates PTYnn, Tnn indicates TTYnn, and
a period indicates the terminal on which the SYSTAT command
is issued.
Characteristics
Leaves your terminal at monitor level.
Destroys your core image.
Does not require LOGIN.
Example
If you wanted to use the ASSIGN command to assign LPT 260 to your
job, you could use the B argument to SYSTAT to see if the printer
is busy.
.SYSTAT B<RET>
Busy devices:
Device Job Why Logical
TTY52 1 init
TTY2 21 init
DET60 1 init
MPX1 21 init
LPT260 14 init
TSK26 26 init
TSK26 26 init
TSK26 26 init
TSK26 18 init
SYSTAT B lists LPT260 as a busy device, therefore, you cannot
assign it to your job.