[GTALUG] Ubuntu 20.04.2 is groaning

[Chris Aitken]

On 2021-06-07 12:05 p.m., Dhaval Giani via talk wrote:
> On Mon, Jun 7, 2021 at 8:56 AM Val Kulkov via talk <talk at gtalug.org> wrote:
>>
>> On Mon, 7 Jun 2021 at 11:33, Chris Aitken via talk <talk at gtalug.org> wrote:
>>> Hi,
>>>
>>> I am hoping to get some help with my Ubuntu 20.04.2 LTS system. Takes me
>>> 5+ seconds just to enter commands, switch between apps, etc.
>>
>> Try checking your hard disk's health with smartctl (package smartmontools). Try replacing the hard disk's SATA cable.
>>
> Because I am terrible at reading comprehension.
>
> Have you ruled out the usual suspects?
>
> - How much RAM as you using?
> free -h
owner at owner-HP-Compaq-8000-Elite-CMT-PC:~$ free -h
               total        used        free      shared buff/cache   
available
Mem:          7.6Gi       1.9Gi       1.0Gi       103Mi 4.7Gi       5.3Gi
Swap:         2.0Gi       699Mi       1.3Gi

> will help check that out?
>
> - Are you swapping?
I don't know.
>
> - Are you using up too much CPU bandwidth? I prefer using htop to get
> an ongoing view, but you could get those details from top.
top - 12:54:52 up 6 days,  7:18,  1 user,  load average: 1.41, 1.13, 0.78
Tasks: 218 total,   1 running, 217 sleeping,   0 stopped,   0 zombie
%Cpu(s): 28.4 us,  1.8 sy,  0.0 ni, 68.6 id,  1.2 wa,  0.0 hi,  0.0 si,  
0.0 st
MiB Mem :   7832.9 total,    924.7 free,   2014.9 used,   4893.3 buff/cache
MiB Swap:   2048.0 total,   1348.0 free,    700.0 used.   5388.9 avail Mem

     PID USER      PR  NI    VIRT    RES    SHR S  %CPU  %MEM TIME+ COMMAND
    1869 owner     20   0 4176040 291112  40200 S  39.9   3.6 274:37.27 
gnome-shell
   84930 owner     20   0 2653900 189280 114976 S  13.3   2.4 1:12.68 
Web Content
    1577 owner      9 -11 2982144   9480   6684 S   2.7   0.1 139:53.59 
pulseaudio
   83286 owner     20   0 3889660 464800 172124 S   2.3   5.8 5:02.71 
firefox
    1659 owner     20   0  815292  47720  28360 S   1.7   0.6 133:55.05 
Xorg
   83464 owner     20   0 2829504 292768 126512 S   0.7   3.7 3:20.08 
Web Content
   85108 owner     20   0  814564  49672  37116 S   0.7   0.6 0:01.76 
gnome-terminal-
   85988 root      20   0       0      0      0 I   0.3   0.0 0:00.17 
kworker/u8:1-events_unbound
   86201 owner     20   0   12040   3992   3240 R   0.3   0.0 0:00.28 top
       1 root      20   0  169580   7472   4588 S   0.0   0.1 0:11.08 
systemd
       2 root      20   0       0      0      0 S   0.0   0.0 0:00.18 
kthreadd
       3 root       0 -20       0      0      0 I   0.0   0.0 0:00.00 
rcu_gp
       4 root       0 -20       0      0      0 I   0.0   0.0 0:00.00 
rcu_par_gp
       6 root       0 -20       0      0      0 I   0.0   0.0 0:00.00 
kworker/0:0H-kblockd
       8 root       0 -20       0      0      0 I   0.0   0.0 0:00.00 
mm_percpu_wq
       9 root      20   0       0      0      0 S   0.0   0.0 0:07.50 
ksoftirqd/0
      10 root      20   0       0      0      0 I   0.0   0.0 0:53.98 
rcu_sched
      11 root      rt   0       0      0      0 S   0.0   0.0 0:00.84 
migration/0
      12 root     -51   0       0      0      0 S   0.0   0.0 0:00.00 
idle_inject/0
      14 root      20   0       0      0      0 S   0.0   0.0 0:00.00 
cpuhp/0
      15 root      20   0       0      0      0 S   0.0   0.0 0:00.00 
cpuhp/1
      16 root     -51   0       0      0      0 S   0.0   0.0 0:00.00 
idle_inject/1
      17 root      rt   0       0      0      0 S   0.0   0.0 0:01.04 
migration/1
      18 root      20   0       0      0      0 S   0.0   0.0 0:06.76 
ksoftirqd/1
      20 root       0 -20       0      0      0 I   0.0   0.0 0:00.00 
kworker/1:0H-kblockd
      21 root      20   0       0      0      0 S   0.0   0.0 0:00.00 
kdevtmpfs
      22 root       0 -20       0      0      0 I   0.0   0.0 0:00.00 netns
      23 root      20   0       0      0      0 S   0.0   0.0 0:00.00 
rcu_tasks_kthre
      24 root      20   0       0      0      0 S   0.0   0.0 0:00.00 
rcu_tasks_rude_
      25 root      20   0       0      0      0 S   0.0   0.0 0:00.00 
rcu_tasks_trace
      26 root      20   0       0      0      0 S   0.0   0.0 0:00.00 
kauditd

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