stockton
Posts: 136
Joined: Mon Aug 24, 2015 6:06 am
Location: South Africa
Contact: Website

Raspberry 4 DHCPCD running continually

Mon Nov 04, 2019 8:59 am

I am implementing my 1st Raspberry Pi 4 running raspbian buster and am a little concerned to see when I do a top command that dhcpcd is running all the time using neraly 100% of a cpu.

Code: Select all

top - 10:56:29 up 1 day,  1:12,  3 users,  load average: 1.24, 1.05, 1.02
Tasks: 150 total,   2 running, 148 sleeping,   0 stopped,   0 zombie
%Cpu(s): 26.0 us,  0.4 sy,  0.0 ni, 73.6 id,  0.0 wa,  0.0 hi,  0.0 si,  0.0 st
MiB Mem :   3906.0 total,   1384.8 free,    233.7 used,   2287.5 buff/cache
MiB Swap:    100.0 total,    100.0 free,      0.0 used.   3491.1 avail Mem 

  PID USER      PR  NI    VIRT    RES    SHR S  %CPU  %MEM     TIME+ COMMAND                                                                          
  562 root      20   0    2904   1868   1460 R  99.7   0.0 791:54.48 dhcpcd                                                                           
10301 pi        20   0  329360 119968  75736 S   3.6   3.0   1:55.23 vlc                                                                              
  591 root      20   0  207872  58508  39932 S   0.3   1.5   1:10.14 Xorg                                                                             
12519 pi        20   0   10316   2960   2436 R   0.3   0.1   0:01.49 top                                                                              
    1 root      20   0   33764   7876   6240 S   0.0   0.2   0:05.17 systemd                                                                          
    2 root      20   0       0      0      0 S   0.0   0.0   0:00.05 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                                                                       
    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   0:07.25 ksoftirqd/0                                                                      
   10 root      20   0       0      0      0 I   0.0   0.0   0:08.71 rcu_sched                                                                        
   11 root      20   0       0      0      0 I   0.0   0.0   0:00.00 rcu_bh                                                                           
   12 root      rt   0       0      0      0 S   0.0   0.0   0:00.07 migration/0                                                                      
   13 root      20   0       0      0      0 S   0.0   0.0   0:00.00 cpuhp/0                                                                          
   14 root      20   0       0      0      0 S   0.0   0.0   0:00.00 cpuhp/1                                                                          
   15 root      rt   0       0      0      0 S   0.0   0.0   0:00.06 migration/1                                                                      
   16 root      20   0       0      0      0 S   0.0   0.0   0:00.08 ksoftirqd/1                                                                      
   19 root      20   0       0      0      0 S   0.0   0.0   0:00.00 cpuhp/2                                                                          
   20 root      rt   0       0      0      0 S   0.0   0.0   0:00.04 migration/2                                                                      
   21 root      20   0       0      0      0 S   0.0   0.0   0:00.10 ksoftirqd/2                                                                      
   24 root      20   0       0      0      0 S   0.0   0.0   0:00.00 cpuhp/3                                                                          
   25 root      rt   0       0      0      0 S   0.0   0.0   0:00.04 migration/3                                                                      
   26 root      20   0       0      0      0 S   0.0   0.0   0:00.31 ksoftirqd/3                                                                      
   29 root      20   0       0      0      0 S   0.0   0.0   0:00.00 kdevtmpfs                                                                        
   30 root       0 -20       0      0      0 I   0.0   0.0   0:00.00 netns                                                                            
   34 root      20   0       0      0      0 S   0.0   0.0   0:00.04 khungtaskd                                                                       
   35 root      20   0       0      0      0 S   0.0   0.0   0:00.00 oom_reaper                                                                       
   36 root       0 -20       0      0      0 I   0.0   0.0   0:00.00 writeback                                                                        
   37 root      20   0       0      0      0 S   0.0   0.0   0:00.00 kcompactd0                                                                       
   38 root       0 -20       0      0      0 I   0.0   0.0   0:00.00 crypto 

ShiftPlusOne
Raspberry Pi Engineer & Forum Moderator
Raspberry Pi Engineer & Forum Moderator
Posts: 6228
Joined: Fri Jul 29, 2011 5:36 pm
Location: The unfashionable end of the western spiral arm of the Galaxy

Re: Raspberry 4 DHCPCD running continually

Mon Nov 04, 2019 10:12 am


stockton
Posts: 136
Joined: Mon Aug 24, 2015 6:06 am
Location: South Africa
Contact: Website

Re: Raspberry 4 DHCPCD running continually

Mon Nov 04, 2019 11:55 am

Thank you

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