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Conference turris::digital_unix

Title:DIGITAL UNIX(FORMERLY KNOWN AS DEC OSF/1)
Notice:Welcome to the Digital UNIX Conference
Moderator:SMURF::DENHAM
Created:Thu Mar 16 1995
Last Modified:Fri Jun 06 1997
Last Successful Update:Fri Jun 06 1997
Number of topics:10068
Total number of notes:35879

9750.0. "DU V4.0 "ps" Problem" by TKTV20::TAKAHASI () Thu May 08 1997 04:54

Hello,

A customer askls me a question about 'ps' command at DIGITAL UNIX V4.0x.

Using 'nice' command, he had a try changing process's priority.
But when look at result of 'ps axuw', percent CPU usage did't change.
At another version( V3.2x , for examlpe), percent CPU usage changed.

-------------------------------
Digital UNIX V4.0 (Rev. 386)
-------------------------------

# /usr/bin/nice -n 19 ./TEST_PROC2 &
[1] 5581
# ps auxww | grep TEST
USER       PID %CPU %MEM   VSZ  RSS TTY      S    STARTED         TIME COMMAND
root      5581 80.0  0.5 1.55M 472K ttyp7    R N  09:33:00     0:21.71 ./TEST_PROC2
root      5618  0.0  0.8 1.84M 776K ttyp7    S  + 09:33:00     0:00.03 grep TEST
# ./TEST_PROC1 &
[2] 5615
# ps auxww | grep TEST
root      5581 80.5  0.5 1.55M 472K ttyp7    R N  09:33:00     0:30.59 ./TEST_PROC2
root      5615 79.9  0.5 1.55M 472K ttyp7    R    09:33:00     0:19.16 ./TEST_PROC1
root      5575  0.0  0.8 1.84M 776K ttyp7    S  + 09:34:00     0:00.03 grep TEST
# ps auxww | grep TEST
root      5581 80.5  0.5 1.55M 472K ttyp7    R N  09:33:00     0:30.59 ./TEST_PROC2
root      5615 79.9  0.5 1.55M 472K ttyp7    R    09:33:00     0:26.68 ./TEST_PROC1
root      5625  0.0  0.8 1.84M 776K ttyp7    S  + 09:34:00     0:00.03 grep TEST
# ps auxww | grep TEST
root      5581 80.5  0.5 1.55M 472K ttyp7    R N  09:33:00     0:30.59 ./TEST_PROC2
root      5615 64.2  0.5 1.55M 472K ttyp7    R    09:33:00     0:29.69 ./TEST_PROC1
root      4142  0.0  0.8 1.84M 776K ttyp7    S  + 09:34:00     0:00.03 grep TEST
# ps auxww | grep TEST
root      5615 83.2  0.5 1.55M 472K ttyp7    R    09:33:00     0:37.18 ./TEST_PROC1
root      5581 80.5  0.5 1.55M 472K ttyp7    R N  09:33:00     0:30.59 ./TEST_PROC2
root      3939  0.0  0.8 1.84M 776K ttyp7    S  + 09:34:00     0:00.04 grep TEST
#

Those phenomenon had occured at DIGITAL UNIX V4.0 , V4.0B.
But did't occured at DIGITAL UNIX V2.0, V3.2D-1, V3.2G.


The result is following:

-------------------------------
DEC OSF/1 V2.0 (Rev. 240)
-------------------------------

# /usr/bin/nice -n 19 ./TEST_PROC2 &
482
# ps auxww | grep TEST
USER       PID %CPU %MEM   VSZ  RSS TTY      S    STARTED         TIME COMMAND
root       482 87.0  0.1 1.28M 168K p1  R N+ 13:04:18     0:04.98 ./TEST_PROC2
root       483  0.0  0.1  216K  88K p1  S  + 13:04:23     0:00.01 grep TEST
# ./TEST_PROC1 &
485
# ps auxww | grep TEST
root       485 83.0  0.1 1.28M 168K p1  R  + 13:04:30     0:05.12 ./TEST_PROC1
root       482 15.0  0.1 1.28M 168K p1  R N+ 13:04:18     0:11.90 ./TEST_PROC2
root       486  0.0  0.1  216K  88K p1  S  + 13:04:35     0:00.01 grep TEST
# ps auxww | grep TEST
root       485 73.0  0.1 1.28M 168K p1  R  + 13:04:30     0:12.75 ./TEST_PROC1
root       482 25.0  0.1 1.28M 168K p1  R N+ 13:04:18     0:14.41 ./TEST_PROC2
root       488  0.0  0.1  216K  88K p1  S  + 13:04:46     0:00.01 grep TEST
# ps auxww | grep TEST
root       485 74.0  0.1 1.28M 168K p1  R  + 13:04:30     0:14.43 ./TEST_PROC1
root       482 17.0  0.1 1.28M 168K p1  R N+ 13:04:18     0:14.72 ./TEST_PROC2
root       490  0.0  0.1  216K  88K p1  S  + 13:04:48     0:00.01 grep TEST
# ps auxww | grep TEST
root       485 75.0  0.1 1.28M 168K p1  R  + 13:04:30     0:15.46 ./TEST_PROC1
root       482 14.0  0.1 1.28M 168K p1  R N+ 13:04:18     0:14.88 ./TEST_PROC2
root       492  0.0  0.1  216K  88K p1  S  + 13:04:50     0:00.01 grep TEST
#

-------------------------------
DEC OSF/1 V3.0B  (Rev. 358.78)
-------------------------------

# /usr/bin/nice -n 19 ./TEST_PROC2 &
538
# ps auxww | grep TEST
USER       PID %CPU %MEM   VSZ  RSS TTY      S    STARTED         TIME COMMAND
root       538 91.0  0.1 1.31M 136K ttyp3    R N+ 22:47:04     0:06.64 ./TEST_PROC2
root       539  0.0  0.1  248K  80K ttyp3    S  + 22:47:11     0:00.01 grep TEST
# ./TEST_PROC1 &
541
# ps auxww | grep TEST
root       538 94.0  0.1 1.31M 136K ttyp3    R N+ 22:47:04     0:13.41 ./TEST_PROC2
root       541 92.0  0.1 1.31M 136K ttyp3    R  + 22:47:18     0:07.16 ./TEST_PROC1
root       542  0.0  0.1  248K  80K ttyp3    S  + 22:47:26     0:00.01 grep TEST
# ps auxww | grep TEST
root       541 90.0  0.1 1.31M 136K ttyp3    R  + 22:47:18     0:14.14 ./TEST_PROC1
root       538  5.0  0.1 1.31M 136K ttyp3    R N+ 22:47:04     0:13.92 ./TEST_PROC2
root       544  0.0  0.1  248K  80K ttyp3    S  + 22:47:34     0:00.01 grep TEST
# ps auxww | grep TEST
root       541 93.0  0.1 1.31M 136K ttyp3    R  + 22:47:18     0:22.95 ./TEST_PROC1
root       538  0.0  0.1 1.31M 136K ttyp3    R N+ 22:47:04     0:13.97 ./TEST_PROC2
root       546  0.0  0.1  248K  80K ttyp3    S  + 22:47:44     0:00.01 grep TEST
# ps auxww | grep TEST
root       541 90.0  0.1 1.31M 136K ttyp3    R  + 22:47:18     0:29.17 ./TEST_PROC1
root       538  4.0  0.1 1.31M 136K ttyp3    R N+ 22:47:04     0:14.40 ./TEST_PROC2
root       548  0.0  0.1  248K  80K ttyp3    S  + 22:47:51     0:00.01 grep TEST
#

-------------------------------
Digital UNIX V3.2D-1 (Rev. 41)
-------------------------------

# /usr/bin/nice -n 19 ./TEST_PROC2 &
[1] 5704
# ps auxww | grep TEST
USER       PID %CPU %MEM   VSZ  RSS TTY      S    STARTED         TIME COMMAND
root      5704 81.0  0.1 1.22M  88K ttyp7    R N  09:42:30     0:04.91 ./TEST_PROC2
root      5706  0.0  0.1  248K  72K ttyp7    S  + 09:42:35     0:00.01 grep TEST
# ./TEST_PROC1 &
[2] 5707
# ps auxww | grep TEST
root      5704 88.0  0.1 1.22M  88K ttyp7    R N  09:42:30     0:09.23 ./TEST_PROC2
root      5707 84.0  0.1 1.22M  88K ttyp7    R    09:42:40     0:07.40 ./TEST_PROC1
root      5709  0.0  0.1  248K  72K ttyp7    S  + 09:42:49     0:00.01 grep TEST
# ps auxww | grep TEST
root      5707 76.0  0.1 1.22M  88K ttyp7    R    09:42:40     0:32.60 ./TEST_PROC1
root      5704 12.0  0.1 1.22M  88K ttyp7    R N  09:42:30     0:10.61 ./TEST_PROC2
root      5714  0.0  0.1  248K  72K ttyp7    S  + 09:43:21     0:00.01 grep TEST
# ps auxww | grep TEST
root      5707 84.0  0.1 1.22M  88K ttyp7    R    09:42:40     0:36.79 ./TEST_PROC1
root      5704  6.0  0.1 1.22M  88K ttyp7    R N  09:42:30     0:10.81 ./TEST_PROC2
root      5716  0.0  0.1  248K  72K ttyp7    S  + 09:43:26     0:00.01 grep TEST
# ps auxww | grep TEST
root      5707 82.0  0.1 1.22M  88K ttyp7    R    09:42:40     0:41.90 ./TEST_PROC1
root      5704  4.0  0.1 1.22M  88K ttyp7    R N  09:42:30     0:11.04 ./TEST_PROC2
root      5718  0.0  0.1  248K  72K ttyp7    S  + 09:43:32     0:00.01 grep TEST
#

-------------------------------
Digital UNIX V3.2G (Rev. 62)
-------------------------------

# /usr/bin/nice -n 19 ./TEST_PROC2 &
2294
# ps auxww | grep TEST
USER       PID %CPU %MEM   VSZ  RSS TTY      S    STARTED         TIME COMMAND
root      2294 84.0  0.0 1.22M  88K ttyp5    R N+ 10:01:12     0:04.15 ./TEST_PROC2
root      2290  0.0  0.0  248K  72K ttyp5    S  + 10:01:16     0:00.01 grep TEST
# ./TEST_PROC1 &
2297
# ps auxww | grep TEST
root      2294 98.0  0.0 1.22M  88K ttyp5    R N+ 10:01:12     0:14.35 ./TEST_PROC2
root      2297 90.0  0.0 1.22M  88K ttyp5    R  + 10:01:27     0:05.88 ./TEST_PROC1
root      2295  0.0  0.0  248K  72K ttyp5    S  + 10:01:33     0:00.01 grep TEST
# ps auxww | grep TEST
root      2297 82.0  0.0 1.22M  88K ttyp5    R  + 10:01:27     0:10.20 ./TEST_PROC1
root      2294 11.0  0.0 1.22M  88K ttyp5    R N+ 10:01:12     0:14.97 ./TEST_PROC2
root      2302  0.0  0.0  248K  72K ttyp5    S  + 10:01:38     0:00.01 grep TEST
# ps auxww | grep TEST
root      2297 93.0  0.0 1.22M  88K ttyp5    R  + 10:01:27     0:18.33 ./TEST_PROC1
root      2294  5.0  0.0 1.22M  88K ttyp5    R N+ 10:01:12     0:15.59 ./TEST_PROC2
root      2305  0.0  0.0  248K  72K ttyp5    S  + 10:01:47     0:00.01 grep TEST
# ps auxww | grep TEST
root      2297 90.0  0.0 1.22M  88K ttyp5    R  + 10:01:27     0:24.69 ./TEST_PROC1
root      2294  7.0  0.0 1.22M  88K ttyp5    R N+ 10:01:12     0:15.97 ./TEST_PROC2
root      2306  0.0  0.0  248K  72K ttyp5    S  + 10:01:54     0:00.01 grep TEST
#

-------------------------------
Digital UNIX V4.0 (Rev. 386)
-------------------------------

# /usr/bin/nice -n 19 ./TEST_PROC2 &
[1] 5581
# ps auxww | grep TEST
USER       PID %CPU %MEM   VSZ  RSS TTY      S    STARTED         TIME COMMAND
root      5581 80.0  0.5 1.55M 472K ttyp7    R N  09:33:00     0:21.71 ./TEST_PROC2
root      5618  0.0  0.8 1.84M 776K ttyp7    S  + 09:33:00     0:00.03 grep TEST
# ./TEST_PROC1 &
[2] 5615
# ps auxww | grep TEST
root      5581 80.5  0.5 1.55M 472K ttyp7    R N  09:33:00     0:30.59 ./TEST_PROC2
root      5615 79.9  0.5 1.55M 472K ttyp7    R    09:33:00     0:19.16 ./TEST_PROC1
root      5575  0.0  0.8 1.84M 776K ttyp7    S  + 09:34:00     0:00.03 grep TEST
# ps auxww | grep TEST
root      5581 80.5  0.5 1.55M 472K ttyp7    R N  09:33:00     0:30.59 ./TEST_PROC2
root      5615 79.9  0.5 1.55M 472K ttyp7    R    09:33:00     0:26.68 ./TEST_PROC1
root      5625  0.0  0.8 1.84M 776K ttyp7    S  + 09:34:00     0:00.03 grep TEST
# ps auxww | grep TEST
root      5581 80.5  0.5 1.55M 472K ttyp7    R N  09:33:00     0:30.59 ./TEST_PROC2
root      5615 64.2  0.5 1.55M 472K ttyp7    R    09:33:00     0:29.69 ./TEST_PROC1
root      4142  0.0  0.8 1.84M 776K ttyp7    S  + 09:34:00     0:00.03 grep TEST
# ps auxww | grep TEST
root      5615 83.2  0.5 1.55M 472K ttyp7    R    09:33:00     0:37.18 ./TEST_PROC1
root      5581 80.5  0.5 1.55M 472K ttyp7    R N  09:33:00     0:30.59 ./TEST_PROC2
root      3939  0.0  0.8 1.84M 776K ttyp7    S  + 09:34:00     0:00.04 grep TEST
#


-------------------------------
Digital UNIX V4.0B  (Rev. 564)
-------------------------------

# /usr/bin/nice -n 19 ./TEST_PROC2 &
[1] 1288
# ps auxww | grep TEST
USER       PID %CPU %MEM   VSZ  RSS TTY      S    STARTED         TIME COMMAND
root      1288 86.9  0.1 1.55M  96K ttyp1    R N  10:02:00     0:08.83 ./TEST_PROC2
root      1292  0.0  0.1 1.84M 152K ttyp1    S  + 10:03:00     0:00.02 grep TEST
# ./TEST_PROC1 &
[2] 1293
# ps auxww | grep TEST
root      1288 91.4  0.1 1.55M  96K ttyp1    R N  10:02:00     0:14.68 ./TEST_PROC2
root      1293 78.3  0.1 1.55M  96K ttyp1    R    10:03:00     0:04.10 ./TEST_PROC1
root      1294  0.7  0.1 1.84M 152K ttyp1    S  + 10:03:00     0:00.02 grep TEST
# ps auxww | grep TEST
root      1288 91.4  0.1 1.55M  96K ttyp1    R N  10:02:00     0:14.68 ./TEST_PROC2
root      1293 78.4  0.1 1.55M  96K ttyp1    R    10:03:00     0:15.25 ./TEST_PROC1
root      1301  0.0  0.1 1.84M 152K ttyp1    S  + 10:03:00     0:00.02 grep TEST
# ps auxww | grep TEST
root      1288 91.4  0.1 1.55M  96K ttyp1    R N  10:02:00     0:14.68 ./TEST_PROC2
root      1293 72.9  0.1 1.55M  96K ttyp1    R    10:03:00     0:16.29 ./TEST_PROC1
root      1304  0.0  0.1 1.84M 152K ttyp1    S  + 10:03:00     0:00.02 grep TEST
# ps auxww | grep TEST
root      1293 92.5  0.1 1.55M  96K ttyp1    R    10:03:00     0:27.85 ./TEST_PROC1
root      1288 91.4  0.1 1.55M  96K ttyp1    R N  10:02:00     0:14.68 ./TEST_PROC2
root      1306  0.0  0.1 1.84M 152K ttyp1    S  + 10:03:00     0:00.02 grep TEST
#

-------------------------------
Program
It is same program 'TEST_PROC1' and 'TEST_PROC2'.
-------------------------------
#include <stdio.h>

main()
{
        int mask;


        for(;;){
        }
}


Best Regards.
Thanks.
Takahasi kc2/csc/mcs
T.RTitleUserPersonal
Name
DateLines
9750.1Could be working as expectedWIBBIN::NOYCEPulling weeds, pickin&#039; stonesThu May 08 1997 09:138
What hardware is this?  Your V4.x system is clearly a multiprocessor with at
least two processors, since both programs are getting about 80% of a CPU.
Are your older systems also multi processors?

What is the load on each system?  A lower priority doesn't necessarily mean a
process gets less CPU time -- it just means other processes that need the CPU
are allowed to use it.  If nobody else wants the CPU, the low-priority process
uses all it can get.
9750.2DU V4.0X "ps" ProblemTKTV20::TAKAHASIFri May 09 1997 05:2253
   Thanks for replay.

   Test Environment

   V4.0B   Alpha Station 255  singl processor
   V4.0    DEC 3000           singl processor

   V3.2G   Alpha Server 1000  singl processor
   V3.2D-1 DEC 3000           singl processor
   V3.0B   DEC 3000           singl processor
   V2.0    DEC 3000           singl processor


At DIGITAL UNIX V4.0, 'TEST_PROC2(priority 19)' did't use cpu.
Because TIME was not changed.
However, '%CPU' value is '80.5'. not change.
How shall I think this phenomenon?
By the way, '%CPU' value was changed at V3.2, V3.0B, V2.0. 

   -----------------------------------------------------
   Digital UNIX V4.0 (Rev. 386) DEC 3000 singl processor
   -----------------------------------------------------

   # /usr/bin/nice -n 19 ./TEST_PROC2 &
   [1] 5581
   # ps auxww | grep TEST
   USER       PID %CPU %MEM   VSZ  RSS TTY      S    STARTED         TIME COMMAND
   root      5581 80.0  0.5 1.55M 472K ttyp7    R N  09:33:00     0:21.71 ./TEST_PROC2
   root      5618  0.0  0.8 1.84M 776K ttyp7    S  + 09:33:00     0:00.03 grep TEST
   # ./TEST_PROC1 &
   [2] 5615
   # ps auxww | grep TEST
   root      5581 80.5  0.5 1.55M 472K ttyp7    R N  09:33:00     0:30.59 ./TEST_PROC2
   root      5615 79.9  0.5 1.55M 472K ttyp7    R    09:33:00     0:19.16 ./TEST_PROC1
   root      5575  0.0  0.8 1.84M 776K ttyp7    S  + 09:34:00     0:00.03 grep TEST
   # ps auxww | grep TEST
   root      5581 80.5  0.5 1.55M 472K ttyp7    R N  09:33:00     0:30.59 ./TEST_PROC2
   root      5615 79.9  0.5 1.55M 472K ttyp7    R    09:33:00     0:26.68 ./TEST_PROC1
   root      5625  0.0  0.8 1.84M 776K ttyp7    S  + 09:34:00     0:00.03 grep TEST
   # ps auxww | grep TEST
   root      5581 80.5  0.5 1.55M 472K ttyp7    R N  09:33:00     0:30.59 ./TEST_PROC2
   root      5615 64.2  0.5 1.55M 472K ttyp7    R    09:33:00     0:29.69 ./TEST_PROC1
   root      4142  0.0  0.8 1.84M 776K ttyp7    S  + 09:34:00     0:00.03 grep TEST
   # ps auxww | grep TEST
   root      5615 83.2  0.5 1.55M 472K ttyp7    R    09:33:00     0:37.18 ./TEST_PROC1
   root      5581 80.5  0.5 1.55M 472K ttyp7    R N  09:33:00     0:30.59 ./TEST_PROC2
   root      3939  0.0  0.8 1.84M 776K ttyp7    S  + 09:34:00     0:00.04 grep TEST
   #

   Best Regards.
   Thanks.
   Takahasi kc2/csc/mcs

9750.3SMURF::DENHAMDigital UNIX KernelFri May 09 1997 10:492
    Can you use the -O SCHED switch on your ps command so we can see the
    real priority of the niced and not-niced processes?
9750.4DU V4.0 "ps" problemTKTV20::TAKAHASIMon May 12 1997 05:1289
Thanks for replay.

> Can you use the -O SCHED switch on your ps command so we can see the
> real priority of the niced and not-niced processes?

The result is following:

At DIGITAL UNIX V4.0, 'TEST_PROC2(priority 19)' did't use cpu.
Because TIME was not changed.
However, '%CPU' value is '91.4'.not change.

-------------------------------
Digital UNIX V4.0 (Rev. 386)
-------------------------------
# /usr/bin/nice -n 19 ./TEST_PROC2 &
[1] 12793
# ps O SCHED
  PID USER     %CPU PRI UPR  NI PPR  PSR POL PSET S    TTY             TIME COMMAND
  790 root      0.0  42  44   0  21    0  TS    0 IW + console      0:00.05 getty
10264 root      0.1  44  44   0  19    0  TS    0 S    ttyp5        0:12.66 csh
10324 root      0.0  44  44   0  19    0  TS    0 IW   ttyp5        0:00.20 csh
12803 root      0.2  44  44   0  19    0  TS    0 S  + ttyp5        0:00.02 sleep
11310 root      0.0  44  44   0  19    0  TS    0 R  + ttyp7        0:00.04 ps
12765 root      0.0  44  44   0  19    0  TS    0 S    ttyp7        0:00.25 csh
12793 root     87.6  63  63  19   0    0  TS    0 R N  ttyp7        0:10.30 TEST_PROC2
 3049 root      0.0  44  44   0  19    0  TS    0 IW   ttypf        0:00.30 csh
 9450 root      0.0  42  44   0  21    0  TS    0 U    ttypf        0:00.03 dfsd
 9463 root      0.0  42  44   0  21    0  TS    0 U    ttypf        0:00.03 dfsd
 9466 root      0.0  42  44   0  21    0  TS    0 U    ttypf        0:00.03 dfsd
 9467 root      0.0  42  44   0  21    0  TS    0 U    ttypf        0:00.03 dfsd
 9541 root      0.0  44  44   0  19    0  TS    0 IW + ttypf        0:00.33 csh
# ./TEST_PROC1 &
[2] 11084
# ps O SCHED
  PID USER     %CPU PRI UPR  NI PPR  PSR POL PSET S    TTY             TIME COMMAND
  790 root      0.0  42  44   0  21    0  TS    0 IW + console      0:00.05 getty
10264 root      0.0  44  44   0  19    0  TS    0 S    ttyp5        0:12.72 csh
10324 root      0.0  44  44   0  19    0  TS    0 IW   ttyp5        0:00.20 csh
12673 root      0.0  44  44   0  19    0  TS    0 S  + ttyp5        0:00.02 sleep
11084 root     91.2  59  44   0   4    0  TS    0 R    ttyp7        0:33.59 TEST_PROC1
12765 root      0.0  44  44   0  19    0  TS    0 S    ttyp7        0:00.26 csh
12793 root     91.4  63  63  19   0    0  TS    0 R N  ttyp7        0:18.07 TEST_PROC2
12813 root      0.0  44  44   0  19    0  TS    0 R  + ttyp7        0:00.06 ps
 3049 root      0.0  44  44   0  19    0  TS    0 IW   ttypf        0:00.30 csh
 9450 root      0.0  42  44   0  21    0  TS    0 U    ttypf        0:00.03 dfsd
 9463 root      0.0  42  44   0  21    0  TS    0 U    ttypf        0:00.03 dfsd
 9466 root      0.0  42  44   0  21    0  TS    0 U    ttypf        0:00.03 dfsd
 9467 root      0.0  42  44   0  21    0  TS    0 U    ttypf        0:00.03 dfsd
 9541 root      0.0  44  44   0  19    0  TS    0 IW + ttypf        0:00.33 csh
# ps O SCHED
  PID USER     %CPU PRI UPR  NI PPR  PSR POL PSET S    TTY             TIME COMMAND
  790 root      0.0  42  44   0  21    0  TS    0 IW + console      0:00.05 getty
10264 root      0.0  44  44   0  19    0  TS    0 S    ttyp5        0:12.73 csh
10324 root      0.0  44  44   0  19    0  TS    0 IW   ttyp5        0:00.20 csh
12812 root      0.0  44  44   0  19    0  TS    0 S  + ttyp5        0:00.02 sleep
11084 root     91.1  56  44   0   7    0  TS    0 R    ttyp7        0:49.11 TEST_PROC1
12765 root      0.0  44  44   0  19    0  TS    0 S    ttyp7        0:00.27 csh
12793 root     91.4  63  63  19   0    0  TS    0 R N  ttyp7        0:18.07 TEST_PROC2
12815 root      0.0  44  44   0  19    0  TS    0 R  + ttyp7        0:00.06 ps
 3049 root      0.0  44  44   0  19    0  TS    0 IW   ttypf        0:00.30 csh
 9450 root      0.0  42  44   0  21    0  TS    0 U    ttypf        0:00.03 dfsd
 9463 root      0.0  42  44   0  21    0  TS    0 U    ttypf        0:00.03 dfsd
 9466 root      0.0  42  44   0  21    0  TS    0 U    ttypf        0:00.03 dfsd
 9467 root      0.0  42  44   0  21    0  TS    0 U    ttypf        0:00.03 dfsd
 9541 root      0.0  44  44   0  19    0  TS    0 IW + ttypf        0:00.33 csh
# ps O SCHED
  PID USER     %CPU PRI UPR  NI PPR  PSR POL PSET S    TTY             TIME COMMAND
  790 root      0.0  42  44   0  21    0  TS    0 IW + console      0:00.05 getty
10264 root      0.4  44  44   0  19    0  TS    0 S    ttyp5        0:12.77 csh
10324 root      0.0  44  44   0  19    0  TS    0 IW   ttyp5        0:00.20 csh
12763 root      0.6  44  44   0  19    0  TS    0 S  + ttyp5        0:00.02 sleep
11084 root     91.0  60  44   0   3    0  TS    0 R    ttyp7        1:08.04 TEST_PROC1
12765 root      0.0  44  44   0  19    0  TS    0 S    ttyp7        0:00.28 csh
12792 root      0.0  44  44   0  19    0  TS    0 R  + ttyp7        0:00.06 ps
12793 root     91.4  63  63  19   0    0  TS    0 R N  ttyp7        0:18.07 TEST_PROC2
 3049 root      0.0  44  44   0  19    0  TS    0 IW   ttypf        0:00.30 csh
 9450 root      0.0  42  44   0  21    0  TS    0 U    ttypf        0:00.03 dfsd
 9463 root      0.0  42  44   0  21    0  TS    0 U    ttypf        0:00.03 dfsd
 9466 root      0.0  42  44   0  21    0  TS    0 U    ttypf        0:00.03 dfsd
 9467 root      0.0  42  44   0  21    0  TS    0 U    ttypf        0:00.03 dfsd
 9541 root      0.0  44  44   0  19    0  TS    0 IW + ttypf        0:00.33 csh
#


   Best Regards.
   Thanks.
   Takahasi kc2/csc/mcs

9750.5SMURF::DENHAMDigital UNIX KernelMon May 12 1997 11:551
    OK, it sure does look like a ps problem. How about a QAR/IPMT/whatever?