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SYSDPY.DOC -- Changes from V432 to V433(550)
September 1976






























Copyright (C) 1974,1975,1976,1977
Digital Equipment Corporation, Maynard, Mass.


This software is furnished under a license for use only  on  a  single
computer system and may be copied only with the inclusion of the above
copyright notice.  This software, or any other copies thereof, may not
be provided or otherwise made available to any other person except for
use on such system and to one  who  agrees  to  these  license  terms.
Title  to  and  ownership of the software shall at all times remain in
DEC.

The information in this software is subject to change  without  notice
and  should  not  be  construed  as  a commitment by Digital Equipment
Corporation.

DEC assumes no responsibility  for  the  use  or  reliability  of  its
software on equipment which is not supplied by DEC.
SYY433.DOC                                                      Page 2


SYSDPY.DOC -- Changes from V432 to V433(550)
September 1976



1.0  SUMMARY

The  F  display  logic  has  been  updated  to  support   large   disk
configurations by making the display pageable.

If a display with the auto roll feature off  uses  only  part  of  the
screen,  then  the  next  passes  will keep adding data to the display
until all lines are used.

Unprivileged users will have TTY line numbers displayed.

This release supports all  monitors  up  to  602  and  supersedes  all
previous versions.



2.0  EXTERNAL CHANGES

None.



3.0  KNOWN BUGS AND DEFICIENCIES

None.



4.0  INSTALLATION INSTRUCTIONS

Compile with C.UNV and JOBDAT.UNV on UNV:.



5.0  INTERNAL CHANGES

EDIT #

507  On DC72 (DECSYNC version) a VT05B will not work at  a  2400  baud
     rate  as  0  fill  characters  disappear, this is due to the DC72
     being assembled with feature switch FTT OFN .NEQ.  0.

510  Display line numbers for unprivileged users by using  the  TRMNO.
     and DEVNAM UUO.

511  Start using the new format of "NUMTAB table" with load 721.

512  Start using the new devjob entry in DDB's.

513  Make the F display pageable.
SYY433.DOC                                                      Page 3


514  Correct errors in 602 device logic.

515  Correct character input logic

516  Make C file a universal file.

517  Correct errors introduced by edit 513.

520  Wait a while between displays to give a user the time to read the
     display.

521  Refresh the screen when changing the display program.

522  Fix the "disappearing" M display.

523  Fix refresh problem.

524  Allow any character to escape from a frozen screen.

525  Use HRRZ to get .MONVER instead of a MOVE.

526  The PEEK facility was not recognized.

527  Do not display an empty F display.

530  Adapt to changed JUMPPT macro.

531  Unprivileged jobs get data for CPU1 on a single CPU system.

532  Add the monitor high segment size to the monitor size.

533  Search universal JOBDAT file for JOBDAT bymbols.

534  Jobs locked into core cannot refresh the screen.

535  Too many "DEV BY HOW" headers are printed when a display ends  at
     the bottom of a column.

536  D display hangs for an unpriviliged user

537  D display contains a right parenthesis between the W  column  and
     the swap ratio column.

540  Add VT61 support

541  Add VT50 support

542  Add VT52 support

543  Add Network Topology "WT" display

544  Add Network statistics display

545  Add individual print line for one job on normal display
SYY433.DOC                                                      Page 4


546  Add Control R and A for VT61 support

547  Make Edits 540 thru 547 work

550  Make Edit 542 work



6.0  SUGGESTIONS

None.



[End of SYY433.DOC]

[SYY432.DOC is appended as an integral part of SYY433.DOC]
SYY432.DOC                                                      Page 5


SYY432.DOC -- Changes from V1 to V2
June 1974



1.0  SUMMARY

This version of SYSDPY  supports  up  to  monitor  6.01  with  virtual
memory.  The main changes are:

     1.  SYSDPY uses less CPU time

     2.  A M display has been added

     3.  More help is supplied

Note:  No DATE75 dependency



2.0  EXTERNAL CHANGES


2.1  M Display

The M display is activated by  typing  the  M  command.   The  display
consists of 2 sections:

     1.  General system information on the first 2 lines

     2.  A header line followed by job data

The general information displays on:

line 1 the system identification
     the current system paging rate
     (in page faults per second).

line 2 the maximum amount of available
     virtual memory and the amount
     currently in use.

The output format is:

     VM (MAX=XXX, USED=YYY)

The maximum paging rates for both the system and user in the format:

     PGR.(SYS=XXX, USER=YYY)

The accumulated page fault counts of page faults with page not in  the
working set (NIW) and the page faults with the page in the working set
(IW).  The format is:

     PFC NIW=XXX IW=YYY
SYY432.DOC                                                      Page 6


The job data displayed is very similar to the normal  display.   Three
new columns are added:

     1.  VIRT.  Under this heading is printed:

              LOW + HIGH(MAX) where:

         LOW=size of low segment if job is virtual else 0

         HIGH=size of high segment if job is virtual else 0

         MAX=maximum possible amount of virtual core.

     2.  PHYS.  Under this heading the physical guideline is printed.

     3.  PGR.  Paging rate in page faults per second.


2.2  Additional Help Messages

A set of additional displays have been added to  inform  the  user  of
restrictions  to  which  he is subjected.  An unprivileged user cannot
run the F display as he lacks SPY or PEEK privileges.  All these  help
texts are automatically replaced by the normal display.


2.3  Screen Updating

The updating of the screen is done  in  one  pass  and  no  longer  by
updating the left half followed by the right half.



3.0  KNOWN BUGS AND DEFICIENCIES

None.



4.0  INSTALLATION INSTRUCTIONS

None.
SYY432.DOC                                                      Page 7


5.0  INTERNAL CHANGES

     1.  The construction of the display image has  been  considerably
         sped  up by taking out unnecessary code and replacing GETTABs
         by SPY and PEEK operations is possible.

     2.  Swap error counts were computed in the wrong way.



[End of SYY432.DOC]