update readme
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Alexey Avramov
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README.md
125
README.md
@ -152,6 +152,131 @@ The program can be configured by editing the [config file](https://github.com/ha
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Just read the description of the parameters and edit the values. Please restart nohang to apply the changes. Default path to the config after installing is `/etc/nohang/nohang.conf`.
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Just read the description of the parameters and edit the values. Please restart nohang to apply the changes. Default path to the config after installing is `/etc/nohang/nohang.conf`.
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## Print table of processes with their badness values
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Run `sudo nohang -p` to see table of prosesses with their badness, oom_scores, names, UIDs etc.
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<details>
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<summary>`sudo nohang -p` output example</summary>
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```
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Config: /etc/nohang/nohang.conf
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###################################################################################################################
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# PID PPID badness oom_score oom_score_adj eUID S VmSize VmRSS VmSwap Name CGroup
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#------- ------- ------- --------- ------------- ---------- - ------ ----- ------ --------------- --------
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# 336 1 1 1 0 0 S 85 25 0 systemd-journal /system.slice/systemd-journald.service
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# 383 1 0 0 -1000 0 S 46 5 0 systemd-udevd /system.slice/systemd-udevd.service
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# 526 2238 7 7 0 1000 S 840 96 0 kate /user.slice/user-1000.slice/session-7.scope
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# 650 1 3 3 0 1000 S 760 50 0 kate /user.slice/user-1000.slice/session-7.scope
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# 731 1 0 0 0 100 S 126 4 0 systemd-timesyn /system.slice/systemd-timesyncd.service
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# 756 1 0 0 0 105 S 181 3 0 rtkit-daemon /system.slice/rtkit-daemon.service
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# 759 1 0 0 0 0 S 277 7 0 accounts-daemon /system.slice/accounts-daemon.service
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# 761 1 0 0 0 0 S 244 3 0 rsyslogd /system.slice/rsyslog.service
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# 764 1 0 0 -900 108 S 45 5 0 dbus-daemon /system.slice/dbus.service
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# 805 1 0 0 0 0 S 46 5 0 systemd-logind /system.slice/systemd-logind.service
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# 806 1 0 0 0 0 S 35 3 0 irqbalance /system.slice/irqbalance.service
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# 813 1 0 0 0 0 S 29 3 0 cron /system.slice/cron.service
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# 814 1 11 11 0 0 S 176 160 0 memlockd /system.slice/memlockd.service
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# 815 1 0 0 -10 0 S 32 9 0 python3 /fork.slice/fork-bomb.slice/fork-bomb-killer.slice/fork-bomb-killer.service
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# 823 1 0 0 0 0 S 25 4 0 smartd /system.slice/smartd.service
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# 826 1 0 0 0 113 S 46 3 0 avahi-daemon /system.slice/avahi-daemon.service
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# 850 826 0 0 0 113 S 46 0 0 avahi-daemon /system.slice/avahi-daemon.service
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# 868 1 0 0 0 0 S 281 8 0 polkitd /system.slice/polkit.service
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# 903 1 1 1 0 0 S 4094 16 0 stunnel4 /system.slice/stunnel4.service
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# 940 1 0 0 -600 0 S 39 10 0 python3 /nohang.slice/nohang.service
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# 1014 1 0 0 0 13 S 22 2 0 obfs-local /system.slice/obfs-local.service
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# 1015 1 0 0 0 1000 S 36 4 0 ss-local /system.slice/ss-local.service
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# 1023 1 0 0 0 116 S 33 2 0 dnscrypt-proxy /system.slice/dnscrypt-proxy.service
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# 1029 1 1 1 0 119 S 4236 16 0 privoxy /system.slice/privoxy.service
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# 1035 1 0 0 0 0 S 355 6 0 lightdm /system.slice/lightdm.service
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# 1066 1 0 0 0 0 S 45 7 0 wpa_supplicant /system.slice/wpa_supplicant.service
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# 1178 1 0 0 0 0 S 14 2 0 agetty /system.slice/system-getty.slice/getty@tty1.service
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# 1294 1 0 0 -1000 0 S 4 1 0 watchdog /system.slice/watchdog.service
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# 1632 1 1 1 0 1000 S 1391 22 0 pulseaudio /user.slice/user-1000.slice/session-2.scope
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# 1689 1632 0 0 0 1000 S 125 5 0 gconf-helper /user.slice/user-1000.slice/session-2.scope
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# 1711 1 0 0 0 0 S 367 8 0 udisksd /system.slice/udisks2.service
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# 1819 1 0 0 0 0 S 304 8 0 upowerd /system.slice/upower.service
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# 1879 1 0 0 0 1000 S 64 7 0 systemd /user.slice/user-1000.slice/user@1000.service/init.scope
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# 1880 1879 0 0 0 1000 S 229 2 0 (sd-pam) /user.slice/user-1000.slice/user@1000.service/init.scope
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# 1888 1 0 0 0 0 S 14 2 0 agetty /system.slice/system-getty.slice/getty@tty2.service
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# 1889 1 0 0 0 0 S 14 2 0 agetty /system.slice/system-getty.slice/getty@tty3.service
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# 1890 1 0 0 0 0 S 14 2 0 agetty /system.slice/system-getty.slice/getty@tty4.service
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# 1891 1 0 0 0 0 S 14 2 0 agetty /system.slice/system-getty.slice/getty@tty5.service
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# 1892 1 0 0 0 0 S 14 2 0 agetty /system.slice/system-getty.slice/getty@tty6.service
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# 1893 1035 14 14 0 0 R 623 208 0 Xorg /system.slice/lightdm.service
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# 1904 1 0 0 0 111 S 64 7 0 systemd /user.slice/user-111.slice/user@111.service/init.scope
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# 1905 1904 0 0 0 111 S 229 2 0 (sd-pam) /user.slice/user-111.slice/user@111.service/init.scope
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# 1916 1904 0 0 0 111 S 44 3 0 dbus-daemon /user.slice/user-111.slice/user@111.service/dbus.service
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# 1920 1 0 0 0 111 S 215 5 0 at-spi2-registr /user.slice/user-111.slice/session-c2.scope
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# 1922 1904 0 0 0 111 S 278 6 0 gvfsd /user.slice/user-111.slice/user@111.service/gvfs-daemon.service
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# 1935 1035 0 0 0 0 S 238 6 0 lightdm /user.slice/user-1000.slice/session-7.scope
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# 1942 1 0 0 0 1000 S 210 9 0 gnome-keyring-d /user.slice/user-1000.slice/session-7.scope
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# 1944 1935 1 1 0 1000 S 411 21 0 mate-session /user.slice/user-1000.slice/session-7.scope
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# 1952 1879 0 0 0 1000 S 45 5 0 dbus-daemon /user.slice/user-1000.slice/user@1000.service/dbus.service
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# 1981 1944 0 0 0 1000 S 11 0 0 ssh-agent /user.slice/user-1000.slice/session-7.scope
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# 1984 1879 0 0 0 1000 S 278 6 0 gvfsd /user.slice/user-1000.slice/user@1000.service/gvfs-daemon.service
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# 1990 1879 0 0 0 1000 S 341 5 0 at-spi-bus-laun /user.slice/user-1000.slice/user@1000.service/at-spi-dbus-bus.service
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# 1995 1990 0 0 0 1000 S 44 4 0 dbus-daemon /user.slice/user-1000.slice/user@1000.service/at-spi-dbus-bus.service
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# 1997 1879 0 0 0 1000 S 215 5 0 at-spi2-registr /user.slice/user-1000.slice/user@1000.service/at-spi-dbus-bus.service
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# 2000 1879 0 0 0 1000 S 184 5 0 dconf-service /user.slice/user-1000.slice/user@1000.service/dbus.service
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# 2009 1944 2 2 0 1000 S 1308 35 0 mate-settings-d /user.slice/user-1000.slice/session-7.scope
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# 2013 1944 2 2 0 1000 S 436 32 0 marco /user.slice/user-1000.slice/session-7.scope
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# 2024 1944 4 4 0 1000 S 1258 55 0 caja /user.slice/user-1000.slice/session-7.scope
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# 2032 1 1 1 0 1000 S 333 18 0 msd-locate-poin /user.slice/user-1000.slice/session-7.scope
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# 2033 1879 0 0 0 1000 S 348 11 0 gvfs-udisks2-vo /user.slice/user-1000.slice/user@1000.service/gvfs-udisks2-volume-monitor.service
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# 2036 1944 1 1 0 1000 S 331 17 0 polkit-mate-aut /user.slice/user-1000.slice/session-7.scope
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# 2038 1944 5 5 0 1000 S 682 78 0 mate-panel /user.slice/user-1000.slice/session-7.scope
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# 2041 1944 2 2 0 1000 S 514 31 0 nm-applet /user.slice/user-1000.slice/session-7.scope
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# 2046 1944 1 1 0 1000 S 495 25 0 mate-power-mana /user.slice/user-1000.slice/session-7.scope
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# 2047 1944 2 2 0 1000 S 692 32 0 mate-volume-con /user.slice/user-1000.slice/session-7.scope
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# 2049 1944 3 3 0 1000 S 548 44 0 mate-screensave /user.slice/user-1000.slice/session-7.scope
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# 2059 1879 0 0 0 1000 S 263 5 0 gvfs-goa-volume /user.slice/user-1000.slice/user@1000.service/gvfs-goa-volume-monitor.service
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# 2076 1879 0 0 0 1000 S 352 7 0 gvfsd-trash /user.slice/user-1000.slice/user@1000.service/gvfs-daemon.service
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# 2077 1879 0 0 0 1000 S 362 7 0 gvfs-afc-volume /user.slice/user-1000.slice/user@1000.service/gvfs-afc-volume-monitor.service
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# 2087 1879 0 0 0 1000 S 263 5 0 gvfs-mtp-volume /user.slice/user-1000.slice/user@1000.service/gvfs-mtp-volume-monitor.service
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# 2093 1879 0 0 0 1000 S 275 6 0 gvfs-gphoto2-vo /user.slice/user-1000.slice/user@1000.service/gvfs-gphoto2-volume-monitor.service
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# 2106 1879 3 3 0 1000 S 544 42 0 wnck-applet /user.slice/user-1000.slice/user@1000.service/dbus.service
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# 2108 1879 1 1 0 1000 S 396 21 0 notification-ar /user.slice/user-1000.slice/user@1000.service/dbus.service
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# 2112 1879 1 1 0 1000 S 499 25 0 mate-sensors-ap /user.slice/user-1000.slice/user@1000.service/dbus.service
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# 2113 1879 1 1 0 1000 S 390 21 0 mate-brightness /user.slice/user-1000.slice/user@1000.service/dbus.service
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# 2114 1879 1 1 0 1000 S 534 22 0 mate-multiload- /user.slice/user-1000.slice/user@1000.service/dbus.service
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# 2118 1879 2 2 0 1000 S 547 29 0 clock-applet /user.slice/user-1000.slice/user@1000.service/dbus.service
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# 2152 1879 1 1 0 1000 S 218 22 0 gvfsd-metadata /user.slice/user-1000.slice/user@1000.service/gvfs-metadata.service
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# 2206 1 3 3 0 110 S 106 48 0 tor /system.slice/system-tor.slice/tor@default.service
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# 2229 1 3 3 0 1000 S 999 42 0 kactivitymanage /user.slice/user-1000.slice/session-7.scope
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# 2238 1 0 0 0 1000 S 150 9 0 kdeinit5 /user.slice/user-1000.slice/session-7.scope
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# 2239 2238 3 3 0 1000 S 648 41 0 klauncher /user.slice/user-1000.slice/session-7.scope
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# 3959 1 1 1 0 0 S 615 18 0 NetworkManager /system.slice/NetworkManager.service
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# 3977 3959 0 0 0 0 S 20 4 0 dhclient /system.slice/NetworkManager.service
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# 5626 1879 0 0 0 1000 S 355 7 0 gvfsd-network /user.slice/user-1000.slice/user@1000.service/gvfs-daemon.service
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# 5637 1879 1 1 0 1000 S 623 14 0 gvfsd-smb-brows /user.slice/user-1000.slice/user@1000.service/gvfs-daemon.service
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# 6296 1879 0 0 0 1000 S 435 7 0 gvfsd-dnssd /user.slice/user-1000.slice/user@1000.service/gvfs-daemon.service
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# 11129 1879 3 3 0 1000 S 597 42 0 kded5 /user.slice/user-1000.slice/user@1000.service/dbus.service
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# 11136 1879 2 2 0 1000 S 639 39 0 kuiserver5 /user.slice/user-1000.slice/user@1000.service/dbus.service
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# 11703 1879 3 3 0 1000 S 500 45 0 mate-system-mon /user.slice/user-1000.slice/user@1000.service/dbus.service
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# 16798 1879 0 0 0 1000 S 346 10 0 gvfsd-http /user.slice/user-1000.slice/user@1000.service/gvfs-daemon.service
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# 18133 1 3 3 0 1000 S 760 49 0 kate /user.slice/user-1000.slice/session-7.scope
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# 18144 2038 1 1 0 1000 S 301 23 0 lxterminal /user.slice/user-1000.slice/session-7.scope
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# 18147 18144 0 0 0 1000 S 14 2 0 gnome-pty-helpe /user.slice/user-1000.slice/session-7.scope
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# 18148 18144 1 1 0 1000 S 42 26 0 bash /user.slice/user-1000.slice/session-7.scope
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# 18242 2238 1 1 0 1000 S 194 14 0 file.so /user.slice/user-1000.slice/session-7.scope
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# 18246 18148 0 0 0 0 S 54 4 0 sudo /user.slice/user-1000.slice/session-7.scope
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# 19003 1 0 0 0 0 S 310 12 0 packagekitd /system.slice/packagekit.service
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# 26993 2038 91 91 0 1000 S 3935 1256 0 firefox-esr /user.slice/user-1000.slice/session-7.scope
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# 27275 26993 121 121 0 1000 S 3957 1684 0 Web Content /user.slice/user-1000.slice/session-7.scope
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# 30374 1 1 1 0 1000 S 167 14 0 VBoxXPCOMIPCD /user.slice/user-1000.slice/session-7.scope
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# 30380 1 2 2 0 1000 S 958 27 0 VBoxSVC /user.slice/user-1000.slice/session-7.scope
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# 30549 30380 86 86 0 1000 S 5332 1192 0 VirtualBox /user.slice/user-1000.slice/session-7.scope
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# 30875 1 1 1 0 1000 S 345 26 0 leafpad /user.slice/user-1000.slice/session-7.scope
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# 32689 1 7 7 0 1000 S 896 99 0 dolphin /user.slice/user-1000.slice/session-7.scope
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###################################################################################################################
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Process with highest badness (found in 55 ms):
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PID: 27275, Name: Web Content, badness: 121
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```
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</details>
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## oom-sort
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## oom-sort
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`oom-sort` is an additional diagnostic tool that will be installed with `nohang` package. It sorts the processes in descending order of their `oom_score` and also displays `oom_score_adj`, `Uid`, `Pid`, `Name`, `VmRSS`, `VmSwap` and optionally `cmdline`. Run `oom-sort --help` for more info.
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`oom-sort` is an additional diagnostic tool that will be installed with `nohang` package. It sorts the processes in descending order of their `oom_score` and also displays `oom_score_adj`, `Uid`, `Pid`, `Name`, `VmRSS`, `VmSwap` and optionally `cmdline`. Run `oom-sort --help` for more info.
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