From 6bbb48fadf2265c7ed806027781da8039e561865 Mon Sep 17 00:00:00 2001 From: Denys Vlasenko Date: Fri, 14 Oct 2016 19:02:11 +0200 Subject: [PATCH] examples: update var_service/README again Added "ps -AH e" example Signed-off-by: Denys Vlasenko --- examples/var_service/README | 54 +++++++++++++++++++++++++++++++++++++ 1 file changed, 54 insertions(+) diff --git a/examples/var_service/README b/examples/var_service/README index 268bb2d43..938cce91d 100644 --- a/examples/var_service/README +++ b/examples/var_service/README @@ -180,3 +180,57 @@ for non-trivial installations. var_service/ntpd Examples of typical network daemons. + + + Process tree + +Here is an example of the process tree from a live system with these services +(and a few others). An interesting detail are ftpd and vpnc services, where +you can see only logger process. These services are "downed" at the moment: +their daemons are not launched. + +PID TIME COMMAND +553 0:04 runsvdir -P /var/service +561 0:00 runsv sshd +576 0:00 svlogd -tt /var/log/service/sshd +589 0:00 /usr/sbin/sshd -D -e -p22 -u0 -h /var/service/sshd/ssh_host_rsa_key +562 0:00 runsv dhcp_eth0 +568 0:00 svlogd -tt /var/log/service/dhcp_eth0 +850 0:00 udhcpc -vv --foreground --interface=eth0 + --pidfile=/var/service/dhcp_eth0/udhcpc.pid + --script=/var/service/dhcp_eth0/dhcp_handler -x hostname bbox +563 0:00 runsv ntpd +573 0:01 svlogd -tt /var/log/service/ntpd +845 0:00 busybox ntpd -dddnNl -S ./ntp.script -p 10.x.x.x -p 10.x.x.x +564 0:00 runsv ifplugd_wlan0 +598 0:00 svlogd -tt /var/log/service/ifplugd_wlan0 +614 0:05 ifplugd -apqns -t3 -u0 -d0 -i wlan0 + -r /var/service/ifplugd_wlan0/ifplugd_handler +565 0:08 runsv dhcp_wlan0_pinger +911 0:00 sleep 67 +566 0:00 runsv unscd +583 0:03 svlogd -tt /var/log/service/unscd +599 0:02 nscd -dddd +567 0:00 runsv dhcp_wlan0 +591 0:00 svlogd -tt /var/log/service/dhcp_wlan0 +802 0:00 udhcpc -vv -C -o -V --foreground --interface=wlan0 + --pidfile=/var/service/dhcp_wlan0/udhcpc.pid + --script=/var/service/dhcp_wlan0/dhcp_handler +569 0:00 runsv fw +570 0:00 runsv ifplugd_eth0 +597 0:00 svlogd -tt /var/log/service/ifplugd_eth0 +612 0:05 ifplugd -apqns -t3 -u8 -d8 -i eth0 + -r /var/service/ifplugd_eth0/ifplugd_handler +571 0:00 runsv zcip_eth0 +590 0:00 svlogd -tt /var/log/service/zcip_eth0 +607 0:01 zcip -fvv eth0 /var/service/zcip_eth0/zcip_handler +572 0:00 runsv ftpd +604 0:00 svlogd -tt /var/log/service/ftpd +574 0:00 runsv vpnc +603 0:00 svlogd -tt /var/log/service/vpnc +575 0:00 runsv httpd +602 0:00 svlogd -tt /var/log/service/httpd +622 0:00 busybox httpd -p80 -vvv -f -h /home/httpd_root +577 0:00 runsv supplicant_wlan0 +627 0:00 svlogd -tt /var/log/service/supplicant_wlan0 +638 0:03 wpa_supplicant -i wlan0 -c /var/service/supplicant_wlan0/wpa_supplicant.conf -d -- 2.25.1