Subject: Re: [vserver] Per Guest Statistics
From: Urban Loesch <bind@enas.net>
Date: Wed, 20 Nov 2013 12:25:01 +0100

There exists a script for it running from the hosts:

----------
#!/bin/sh

# Copyright (C) 2003 Enrico Scholz <enrico.scholz@informatik.tu-chemnitz.de>
# based on vtop by Jacques Gelinas
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2, or (at your option)
# any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.

#Presents the processes running in all virtual servers
: ${UTIL_VSERVER_VARS:=/usr/lib/util-vserver/util-vserver-vars}
test -e "$UTIL_VSERVER_VARS" || {
    echo "Can not find util-vserver installation (the file '$UTIL_VSERVER_VARS' would
be expected); aborting..." >&2
    exit 1
}
. "$UTIL_VSERVER_VARS"

$__SBINDIR/setattr --watch /proc/vmstat
exec $__SBINDIR/chcontext --silent --ctx 1 iotop "$@"

---------


Am 20.11.2013 11:00, schrieb Ghislain:
> for the iostats issue i made it work thanks to the faq:
> 
> http://linux-vserver.org/Frequently_Asked_Questions#I_want_iotop_to_display_all_guest_processes_on_host_to_give_me_a_nice_overview_of_I.2FO_usage
> 
> 
>       *I want iotop to display all guest processes on host to give me a nice overview
of I/O usage.*
> 
> You must allow iotop to read information from all guests. Add
> 
> # setattr --watch /proc/vmstat
> 
> to, for example, rc.local, and later run iotop:
> 
> # vcontext --migrate --xid 1 -- iotop
> 
> 
> 
> from the host but not from the guest obviously.
> 
> regards,
> Ghislain.