Am I running two copies of dump1090?


#1

I have been checking the performance and cpu load of the pi lately and it appears that two instances of dump1090-mutability are running per the htop screen.

Is this how things should look?

pi@raspberrypi ~ $ htop

CPU|||||||||||||||||||||||||||||||| 59.2%] Tasks: 67, 86 thr; 1 running
Mem||||||||||||||||||||||||||||||| 83/437MB] Load average: 1.49 1.14 0.97
Swp 0/99MB] Uptime: 1 day, 23:04:36

PID USER PRI NI VIRT RES SHR S CPU% MEM% TIME+ Command
2774 pi 20 0 16064 6336 1008 S 45.0 1.4 20h54:51 **dump1090-mutability **–net --interactive --net-bo-port 30005 -
6661 pi 20 0 4880 1688 1252 R 9.0 0.4 0:20.23 htop
2775 pi 20 0 16064 6336 1008 S 6.0 1.4 3h05:14 **dump1090-mutability **–net --interactive --net-bo-port 30005 -
2758 pi 20 0 9476 1752 1072 S 1.0 0.4 20:39.25 sshd: pi@pts/1
3238 pi 20 0 109M 9204 7260 S 0.0 2.1 4:57.76 lxpanel --profile LXDE
2753 root 20 0 9344 2980 2372 S 0.0 0.7 0:04.87 sshd: pi [priv]
3125 pi 20 0 20820 13536 3384 S 0.0 3.0 2:03.09 Xvnc :10 -geometry 1368x770 -depth 24 -rfbauth /home/pi/.vnc/
2726 root 20 0 18824 6384 3076 S 0.0 1.4 1:00.05 /usr/bin/piaware -p /var/run/piaware.pid
2672 pi 20 0 9564 1764 1064 S 0.0 0.4 0:27.51 sshd: pi@pts/0
2668 root 20 0 9564 3072 2372 S 0.0 0.7 0:05.20 sshd: pi [priv]
1 root 20 0 2152 752 648 S 0.0 0.2 0:07.92 init [2]
F1Help F2Setup F3SearchF4FilterF5Tree F6SortByF7Nice -F8Nice +F9Kill F10Quit

Any thoughts?

Richard Schreiber


#2

dump1090 runs 2 threads, that appears to be what htop is showing you.

(Hit F5 and it’s more obvious)


#3

Thanks for the response. One less thing to be concerned about.

I will try to understand better the features of htop