From nobody@FreeBSD.org  Tue Sep  4 06:03:01 2001
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Date: Tue, 4 Sep 2001 06:02:51 -0700 (PDT)
From: Andrey Novikov <andrey@novikov.com>
To: freebsd-gnats-submit@FreeBSD.org
Subject: top does not show CPU usage
X-Send-Pr-Version: www-1.0

>Number:         30310
>Category:       bin
>Synopsis:       top does not show CPU usage
>Confidential:   no
>Severity:       serious
>Priority:       high
>Responsible:    gabor
>State:          closed
>Quarter:        
>Keywords:       
>Date-Required:  
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Tue Sep 04 06:10:01 PDT 2001
>Closed-Date:    Tue Jan 09 13:12:07 GMT 2007
>Last-Modified:  Tue Jan 09 13:12:07 GMT 2007
>Originator:     Andrey Novikov
>Release:        FreeBSD 4.4-RC
>Organization:
>Environment:
FreeBSD spide.webclub.ru 4.4-RC FreeBSD 4.4-RC #2: Tue Sep  4 16:53:28 MSD 2001     novikov@spide.webclub.ru:/usr/src/sys/compile/SPIDE  i386

>Description:
top utility allways show 0.00 in CPU states, both in summary and in per process stats:

CPU states:  0.0% user,  0.0% nice,  0.0% system,  0.0% interrupt,  0.0% idle

The system is dual processor enabled
>How-To-Repeat:

>Fix:

>Release-Note:
>Audit-Trail:

From: "Alexey N. Nazarov" <blaze@iptcom.net>
To: Andrey Novikov <andrey@novikov.com>
Cc: <freebsd-gnats-submit@FreeBSD.ORG>
Subject: Re: bin/30310: top does not show CPU usage
Date: Tue, 4 Sep 2001 16:17:14 +0300 (EEST)

 Good daytime.
 
 I dont have problem with TOP
 
 CPU states: 27.9% user,  3.1% nice, 10.5% system,  0.4% interrupt, 58.1%
 idle
 
 16:16 [root#frux:p9][/] uname -a
 FreeBSD frux.iptelecom.net.ua 4.4-RC FreeBSD 4.4-RC #1: Thu Aug 30
 21:38:27 EEST 2001
 root@frux.iptelecom.net.ua:/usr/src/sys/compile/FRUX  i386
 
 
 On Tue, 4 Sep 2001, Andrey Novikov wrote:
 
 AN>
 AN>>Number:         30310
 AN>>Category:       bin
 AN>>Synopsis:       top does not show CPU usage
 AN>>Confidential:   no
 AN>>Severity:       serious
 AN>>Priority:       high
 AN>>Responsible:    freebsd-bugs
 AN>>State:          open
 AN>>Quarter:
 AN>>Keywords:
 AN>>Date-Required:
 AN>>Class:          sw-bug
 AN>>Submitter-Id:   current-users
 AN>>Arrival-Date:   Tue Sep 04 06:10:01 PDT 2001
 AN>>Closed-Date:
 AN>>Last-Modified:
 AN>>Originator:     Andrey Novikov
 AN>>Release:        FreeBSD 4.4-RC
 AN>>Organization:
 AN>>Environment:
 AN>FreeBSD spide.webclub.ru 4.4-RC FreeBSD 4.4-RC #2: Tue Sep  4 16:53:28 MSD 2001     novikov@spide.webclub.ru:/usr/src/sys/compile/SPIDE  i386
 AN>
 AN>>Description:
 AN>top utility allways show 0.00 in CPU states, both in summary and in per process stats:
 AN>
 AN>CPU states:  0.0% user,  0.0% nice,  0.0% system,  0.0% interrupt,  0.0% idle
 AN>
 AN>The system is dual processor enabled
 AN>>How-To-Repeat:
 AN>
 AN>>Fix:
 AN>
 AN>>Release-Note:
 AN>>Audit-Trail:
 AN>>Unformatted:
 AN>
 AN>To Unsubscribe: send mail to majordomo@FreeBSD.org
 AN>with "unsubscribe freebsd-bugs" in the body of the message
 AN>
 
 -- 
 [BLAZE-UANIC]
 [FRUX-RIPE]
 

From: "Russell Foster" <rf@rf0.com>
To: "Andrey Novikov" <andrey@novikov.com>,
	<freebsd-gnats-submit@FreeBSD.ORG>
Cc:  
Subject: RE: bin/30310: top does not show CPU usage
Date: Tue, 4 Sep 2001 14:24:50 +0100

 >  -----Original Message-----
 >  From: owner-freebsd-bugs@FreeBSD.ORG
 >  [mailto:owner-freebsd-bugs@FreeBSD.ORG]On Behalf Of Andrey Novikov
 >  Sent: 04 September 2001 14:03
 >  To: freebsd-gnats-submit@FreeBSD.ORG
 >  Subject: bin/30310: top does not show CPU usage
 >
 >
 >
 >  >Number:         30310
 >  >Category:       bin
 >  >Synopsis:       top does not show CPU usage
 >  >Confidential:   no
 >  >Severity:       serious
 >  >Priority:       high
 >  >Responsible:    freebsd-bugs
 >  >State:          open
 >  >Quarter:
 >  >Keywords:
 >  >Date-Required:
 >  >Class:          sw-bug
 >  >Submitter-Id:   current-users
 >  >Arrival-Date:   Tue Sep 04 06:10:01 PDT 2001
 >  >Closed-Date:
 >  >Last-Modified:
 >  >Originator:     Andrey Novikov
 >  >Release:        FreeBSD 4.4-RC
 >  >Organization:
 >  >Environment:
 >  FreeBSD spide.webclub.ru 4.4-RC FreeBSD 4.4-RC #2: Tue Sep  4
 >  16:53:28 MSD 2001
 >  novikov@spide.webclub.ru:/usr/src/sys/compile/SPIDE  i386
 >
 >  >Description:
 >  top utility allways show 0.00 in CPU states, both in summary and
 >  in per process stats:
 >
 >  CPU states:  0.0% user,  0.0% nice,  0.0% system,  0.0%
 >  interrupt,  0.0% idle
 >
 >  The system is dual processor enabled
 
 I'm running a dual Celeron box and top is showing usage. Run a heavy job
 (such as a kernel compile) What does "uptime" show?
 
 Rus
 

From: .@babolo.ru
To: andrey@novikov.com (Andrey Novikov)
Cc: freebsd-gnats-submit@FreeBSD.ORG
Subject: Re: bin/30310: top does not show CPU usage
Date: Wed, 5 Sep 2001 01:51:52 +0400 (MSD)

 Andrey Novikov writes:
 > 
 > >Number:         30310
 > >Category:       bin
 > >Synopsis:       top does not show CPU usage
 > >Confidential:   no
 > >Severity:       serious
 > >Priority:       high
 > >Responsible:    freebsd-bugs
 > >State:          open
 > >Quarter:        
 > >Keywords:       
 > >Date-Required:
 > >Class:          sw-bug
 > >Submitter-Id:   current-users
 > >Arrival-Date:   Tue Sep 04 06:10:01 PDT 2001
 > >Closed-Date:
 > >Last-Modified:
 > >Originator:     Andrey Novikov
 > >Release:        FreeBSD 4.4-RC
 > >Organization:
 > >Environment:
 > FreeBSD spide.webclub.ru 4.4-RC FreeBSD 4.4-RC #2: Tue Sep  4 16:53:28 MSD 2001     novikov@spide.webclub.ru:/usr/src/sys/compile/SPIDE  i386
 > 
 > >Description:
 > top utility allways show 0.00 in CPU states, both in summary and in per process stats:
 > 
 > CPU states:  0.0% user,  0.0% nice,  0.0% system,  0.0% interrupt,  0.0% idle
 This is not a top utility problem.
 I saw sometime in in multiprocessor systems
 (possibly with one installed processor
 and free socket(s))
 that timer 100 Hz (or may be my memory
 leak and it is 128Hz timer) stops.
 strange nulls on top is not the worst with this
 hardware.
 Usually timer throw interrupts some
 time (hours or days) after reboot then stops.
 
 -- 
 @BABOLO      http://links.ru/

From: Kris Kennaway <kris@obsecurity.org>
To: Andrey Novikov <andrey@novikov.com>
Cc: freebsd-gnats-submit@FreeBSD.org
Subject: Re: bin/30310: top does not show CPU usage
Date: Tue, 4 Sep 2001 17:09:30 -0700

 On Tue, Sep 04, 2001 at 06:02:51AM -0700, Andrey Novikov wrote:
 
 > top utility allways show 0.00 in CPU states, both in summary and in per process stats:
 > 
 > CPU states:  0.0% user,  0.0% nice,  0.0% system,  0.0% interrupt,  0.0% idle
 > 
 > The system is dual processor enabled
 
 Is your userland in sync with your kernel?  libkvm mismatch can
 sometimes cause this kind of thing.
 
 Kris

From: Charlie Root <larse@ISI.EDU>
To: freebsd-gnats-submit@FreeBSD.org, andrey@novikov.com
Cc:  
Subject: Re: bin/30310: top does not show CPU usage
Date: Wed, 19 Sep 2001 21:04:43 -0700

 This is a cryptographically signed message in MIME format.
 
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 I see the same symtoms on a non-SMP laptop with 4.4-RELEASE.
 -- 
 Lars Eggert <larse@isi.edu>               Information Sciences Institute
 http://www.isi.edu/larse/              University of Southern California
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From: Colin Percival <colin.percival@wadham.ox.ac.uk>
To: freebsd-gnats-submit@FreeBSD.org, andrey@novikov.com
Cc:  
Subject: Re: bin/30310: top does not show CPU usage
Date: Fri, 07 Feb 2003 00:35:15 +0000

    Can anyone reproduce this problem any more?  A new version of top has 
 been imported, so it's quite likely that this problem has been fixed.
 
 Colin Percivl
 

From: Rafael Umann <rafael.umann@corp.terralycos.com>
To: freebsd-gnats-submit@FreeBSD.org, andrey@novikov.com
Cc:  
Subject: Re: bin/30310: top does not show CPU usage
Date: Sun, 04 Apr 2004 02:16:38 -0300

 --------_406F87E27A5B01862EC0_MULTIPART_MIXED_
 Content-Type: text/plain; charset="US-ASCII"
 Content-Transfer-Encoding: 7bit
 
 	Hi,
 
 	I reproduce that error. I have 15 computers (smp quad-processors) for
 a chat system with freebsd 4.8 and  4.9. Sometimes this error appears
 and only after reboot or much time the error disappears.
 
 	See the graph in annex.
 
 top:
 
 CPU states:  0.0% user,  0.0% nice,  0.0% system,  0.0% interrupt,  0.0% idle
 
 But "iostat" and "vmstat" its OK:
 
 01:50:23 root@boston /root # iostat 
       tty             da0             acd0              fd0             cpu
  tin tout  KB/t tps  MB/s   KB/t tps  MB/s   KB/t tps  MB/s  us ni sy in id
    0    0  0.00   0  0.00   0.00   0  0.00   0.00   0  0.00   4  0  8  1 88
 01:50:34 root@boston /root # vmstat 
  procs      memory      page                    disks     faults      cpu
  r b w     avm    fre  flt  re  pi  po  fr  sr da0 md0   in   sy  cs us sy id
 237 8 0 1324660 1369916 1466   0   0   0 230   0   0   0  718   87 3224  4  8 88
 01:50:36 root@boston /root # 
 
 
 	Any sugestion or patch for "top"?
 
 
 	[]s,
 
 -- 
 Rafael Umann <rafael.umann@corp.terralycos.com>
 
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 --------_406F87E27A5B01862EC0_MULTIPART_MIXED_--
 

From: Rafael Umann <rafael.umann@corp.terralycos.com>
To: freebsd-gnats-submit@FreeBSD.org, andrey@novikov.com
Cc:  
Subject: Re: bin/30310: top does not show CPU usage
Date: Sun, 11 Apr 2004 13:35:48 -0300

 --------_406F87E27A5B01862EC0_MULTIPART_MIXED_
 Content-Type: text/plain; charset="US-ASCII"
 Content-Transfer-Encoding: 7bit
 
 	Hi,
 
 	I reproduce that error. I have 15 computers (smp quad-processors) for
 a chat system with freebsd 4.8 and  4.9. Sometimes this error appears
 and only after reboot or much time the error disappears.
 
 	See the graph in annex.
 
 top:
 
 CPU states:  0.0% user,  0.0% nice,  0.0% system,  0.0% interrupt,  0.0% idle
 
 But "iostat" and "vmstat" its OK:
 
 01:50:23 root@boston /root # iostat 
       tty             da0             acd0              fd0             cpu
  tin tout  KB/t tps  MB/s   KB/t tps  MB/s   KB/t tps  MB/s  us ni sy in id
    0    0  0.00   0  0.00   0.00   0  0.00   0.00   0  0.00   4  0  8  1 88
 01:50:34 root@boston /root # vmstat 
  procs      memory      page                    disks     faults      cpu
  r b w     avm    fre  flt  re  pi  po  fr  sr da0 md0   in   sy  cs us sy id
 237 8 0 1324660 1369916 1466   0   0   0 230   0   0   0  718   87 3224  4  8 88
 01:50:36 root@boston /root # 
 
 
 	Any sugestion or patch for "top"?
 
 
 	[]s,
 
 -- 
 Rafael Umann <rafael.umann@corp.terralycos.com>
 
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 --------_406F87E27A5B01862EC0_MULTIPART_MIXED_--
 

From: "Julien Gabel" <jpeg@thilelli.net>
To: freebsd-gnats-submit@FreeBSD.org
Cc: andrey@novikov.com
Subject: Re: bin/30310: top does not show CPU usage
Date: Sun, 18 Apr 2004 19:54:20 +0200 (CEST)

 Hello,
 
 I can reproduce the problem here:
 
  - FreeBSD 5.2.1-RELEASE-p4 #0: Wed Apr 14 22:06:33 CEST 2004 i386;
 
  - Single processor, Hyperthreading *enable*;
 
  - dmesg:
    Preloaded elf kernel "/boot/kernel/kernel" at 0xc0aa6000.
    Preloaded elf module "/boot/kernel/acpi.ko" at 0xc0aa626c.
    ACPI APIC Table: <PTLTD          APIC  >
    Timecounter "i8254" frequency 1193182 Hz quality 0
    CPU: Intel(R) Pentium(R) 4 CPU 3.00GHz (3000.12-MHz 686-class CPU)
      Origin = "GenuineIntel"  Id = 0xf29  Stepping = 9
      Features=0xbfebfbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,
       MTRR,PGE,MCA,CMOV,PAT,PSE36,CLFLUSH,DTS,ACPI,MMX,FXSR,SSE,SSE2,SS,
       HTT,TM,PBE>
      Hyperthreading: 2 logical CPUs
    real memory  = 1071579136 (1021 MB)
    avail memory = 1031471104 (983 MB)
    FreeBSD/SMP: Multiprocessor System Detected: 2 CPUs
     cpu0 (BSP): APIC ID:  0
     cpu1 (AP): APIC ID:  1
    ioapic0 <Version 1.1> irqs 0-23 on motherboard
    Pentium Pro MTRR support enabled
    npx0: [FAST]
    npx0: <math processor> on motherboard
    npx0: INT 16 interface
    acpi0: <PTLTD    RSDT  > on motherboard
    pcibios: BIOS version 2.10
    Using $PIR table, 6 entries at 0xc00fdf60
    acpi0: Power Button (fixed)
    Timecounter "ACPI-fast" frequency 3579545 Hz quality 1000
 
  - vmstat/iostat/top all fail to report CPU usage;
 
  - This seems to be an SMP specific problem since I have an other machine
    with an identical level release, but which a single processor *without*
    Hyperthreading.
 
 Note: I think this problem may be related to Problem Report bin/60385.
 -- 
 -jpeg.

From: Jeff Behl <jbehl@fastclick.com>
To: freebsd-gnats-submit@FreeBSD.org, andrey@novikov.com
Cc:  
Subject: Re: bin/30310: top does not show CPU usage
Date: Sun, 14 Nov 2004 23:24:09 -0800

 i'm encountering the same problem with a dual proc amd64 system on a ibm 
 e series server.  this machine has been cvsup multiple times from 5.2.1 
 to the current 5.3-RELEASE.  the problem started occurring on the 
 5.3-BETA release.  i'm doing the usual make 
 buildworld/buildkernel/installkernel/installworld procedure, with 
 appropriate reboots as specified in the updating doc.
 
 this is a pretty serious problem as we're in the middle of testing this 
 system vs. redhat AES on the same hardware.  i'd really like to use bsd 
 as i think redhat aes server sucks, but it's a tough sell when you can't 
 get performance benchmarks (snmpd is reporting the same cpu stats, so 
 this obviously isn't a top issue).
 
 thx
 
State-Changed-From-To: open->feedback 
State-Changed-By: gabor 
State-Changed-When: Mon Dec 25 21:44:32 UTC 2006 
State-Changed-Why:  
Could you please test if this issue still exists on a recent FreeBSD 
release? I haven't seen it on a recent 7-CURRENT/SMP. Thanks for the effort 
on investigating this issue from all of you! 

Regards, 
Gabor Kovesdan 


Responsible-Changed-From-To: freebsd-bugs->gabor 
Responsible-Changed-By: gabor 
Responsible-Changed-When: Mon Dec 25 21:44:32 UTC 2006 
Responsible-Changed-Why:  
Could you please test if this issue still exists on a recent FreeBSD 
release? I haven't seen it on a recent 7-CURRENT/SMP. Thanks for the effort 
on investigating this issue from all of you! 

Regards, 
Gabor Kovesdan 

http://www.freebsd.org/cgi/query-pr.cgi?pr=30310 
State-Changed-From-To: feedback->closed 
State-Changed-By: gabor 
State-Changed-When: Tue Jan 9 13:10:45 UTC 2007 
State-Changed-Why:  
Fedback timeout. If this problem shows up again, please feel 
free to submit a follow-up to this PR ticket, so that we can re-open it 
and find a solution for the problem. 

Regards, 
Gabor Kovesdan 

http://www.freebsd.org/cgi/query-pr.cgi?pr=30310 
>Unformatted:
