Profiling Processes while shutdown Post: 302982145

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Operating Systems Linux Debian Profiling Processes while shutdown Post 302982145 by jim mcnamara on Sunday 25th of September 2016 07:44:50 AM

09-25-2016

Registered User

I think you have to work "backwards".
Change startup to be more minimal, do not start any your own daemons.

If the problem goes away, keep adding them back into the mix one by one. If it is resource contention, like waiting on some kind of lock, it may be hard to track down. Any daemons that work cooperatively with others may deserve first attention.

If the problem still exists, you may have to start looking at your configuration by changing to single user boot, then changing startup/shutdown script to boot and shutdown at each runlevel to eliminate process groups and processes as a problem.

I vote for your hand-rolled daemons as a great place to start. Sorry I cannot be more specific.

jim mcnamara

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LEARN ABOUT DEBIAN

autofs

AUTOFS(8)						      System Manager's Manual							 AUTOFS(8)

NAME

       /etc/init.d/autofs - Control Script for automounter

SYNOPSIS

       /etc/init.d/autofs start|stop|restart|reload|status

DESCRIPTION

       autofs  control	the  operation of the automount(8) daemons running on the Linux system. Usually autofs is invoked at system boot time with
       the start parameter and at shutdown time with the stop parameter. The autofs script can also manually be invoked by the system  administra-
       tor to shut down, restart or reload the automounters.

OPERATION

       autofs  will  consult a configuration file /etc/auto.master (see auto.master(5)) by default to find mount points on the system. For each of
       those mount points automount(8) will mount and start a thread, with the appropriate parameters, to manage the mount point.

       /etc/init.d/autofs reload will check the current auto.master map against running daemons. It will kill those  daemons  whose  entries  have
       changed and then start daemons for new or changed entries.

       If  a  map is modified then the change will become effective immediately. If the auto.master map is modified then the autofs script must be
       rerun to activate the changes.

       /etc/init.d/autofs status will display the status of, automount(8), running or not.

SEE ALSO

       automount(8), autofs(5), auto.master(5).  autofs_ldap_auth.conf(5)

AUTHOR

       This manual page was written by Christoph Lameter  <chris@waterf.org>,  for  the  Debian  GNU/Linux  system.   Edited  by  H.  Peter  Anvin
       <hpa@transmeta.com>.

								    9 Sep 1997								 AUTOFS(8)