On Tue, Nov 21, 2006 at 10:05:07AM +0100, Andreas Baetz wrote: > Hi, > > I updated to another kernel (2.6.18.2) and another vserver version > (vs2.0.2.2-rc6), and I think the hard cpu scheduling doesn't work as > expected.
works here as expected (with 2.6.18.3-vs2.0.2.2-rc8) > What I'm trying to do is to limit the CPU cycles for xid 8004 (deb4). > > In vserver 8004 the following command is running: > > cat /dev/zero | gzip | gzip | gzip > /dev/null hmm, strange, could you try with the following sequence (see links for the sources) and let me know what top and vtop report on that? vcmd -i 666 -BC ctx_create .flagword=^34^33^32^8 -- cpuhog that is supposed to put a hog in xid=666 which should get roughly 25% cpu (which is the default setting) http://vserver.13thfloor.at/Experimental/TOOLS/cpuhog.c http://vserver.13thfloor.at/Experimental/TOOLS/vcmd-0.05.tar.bz2 TIA, Herbert > vtop shows: > top - 09:55:24 up 18:05, 11 users, load average: 1.12, 0.67, 0.33 > Tasks: 167 total, 3 running, 164 sleeping, 0 stopped, 0 zombie > Cpu(s): 86.4%us, 13.3%sy, 0.0%ni, 0.0%id, 0.0%wa, 0.3%hi, 0.0%si, 0.0%st > Mem: 904876k total, 875096k used, 29780k free, 131580k buffers > Swap: 1003960k total, 0k used, 1003960k free, 355168k cached > > PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND > > 14417 root 25 0 1820 656 276 R 91.1 0.1 2:26.04 gzip > > According to the shedule (see below), the CPU should be limited to > 100*3/20 = 15 % > > additional info: > > host:/tmp# vserver --version > vserver 0.30.211 -- manages the state of vservers > This program is part of util-vserver 0.30.211 > > Copyright (C) 2003,2004,2005 Enrico Scholz > This program is free software; you may redistribute it under the terms of > the GNU General Public License. This program has absolutely no warranty. > > host:/tmp# bash ./testme.sh-0.16 -v > Linux-VServer Test [V0.16] Copyright (C) 2003-2006 H.Poetzl > chcontext is working. > chbind is working. > chcontext 0.30.211 -- allocates/enters a security context > This program is part of util-vserver 0.30.211 > > Copyright (C) 2004 Enrico Scholz > This program is free software; you may redistribute it under the terms of > the GNU General Public License. This program has absolutely no warranty. > Linux 2.6.18.2-vs2.0.2.2-rc6.061120 #1 PREEMPT Mon Nov 20 15:33:17 CET 2006 > i686 > Ea 0.30.211 273/glibc (DSa) <compat,v11,fscompat,v13,net,oldproc,olduts> > VCI: 0002:0002 273 03000036 (TbLgnP) > ([EMAIL PROTECTED]) > (gcc version 4.1.2 20061115 (prerelease) > (Debian 4.1.1-20)) > #1 PREEMPT Mon Nov 20 15:33:17 CET 2006 > --- > # chcontext true && chcontext --xid 45678 true > # succeeded. > # chcontext --xid 45678 egrep 'context|VxID' /proc/self/status > # succeeded. > # chcontext --secure --xid 45678 mknod /tmp/testme.sh-0.16.cB7844/node c 0 0 > # succeeded. > # chcontext --hostname zaphod.7841 uname -a | grep -q zaphod.7841 > # succeeded. > # chbind --ip 192.168.0.42 true > # succeeded. > # chbind --ip 192.168.0.1/255.255.255.0 --ip 10.0.0.1/24 true > # succeeded. > # chcontext --xid 45678 --flag fakeinit bash -c 'test $$ -eq 1' > # succeeded. > # chcontext --flag fakeinit bash -c 'test $$ -eq 1' > # succeeded. > > host:/tmp# vserver-stat > CTX PROC VSZ RSS userTIME sysTIME UPTIME NAME > 0 151 1.3G 547.1M 1h31m06 9m29s29 16h20m45 root server > 1 1 2.2M 1.1M 0m03s11 0m04s68 45m04s93 monitoring server > 8003 8 118.8M 37.8M 1m32s14 0m13s57 16h18m07 deb3 > 8004 7 23M 7.4M 0m00s30 0m00s00 43m14s33 deb4 > host:/tmp# cat /etc/vservers/deb4/flags > sched_hard > > host:/tmp# cat /etc/vservers/deb4/schedule > 3 > 20 > 500 > 10 > 500 > 0 > > host:/tmp# cat /proc/virtual/8004/status > UseCnt: 30 > Tasks: 11 > Flags: 0000000202020110 > BCaps: 00000000344c04ff > CCaps: 0000000000000101 > Ticks: 0 > > host:/tmp# cat /proc/virtual/8004/sched > Token: 500 > FillRate: 3 > Interval: 20 > TokensMin: 10 > TokensMax: 500 > PrioBias: 0 > VaVaVoom: 0 > cpu 0: 0 0 0 > host:/tmp# uname -a > Linux host 2.6.18.2-vs2.0.2.2-rc6.061120 #1 PREEMPT Mon Nov 20 15:33:17 CET > 2006 i686 GNU/Linux > > host:/tmp# grep -i vserver /usr/src/linux-2.6.18.2/.config > # Linux VServer > CONFIG_VSERVER_LEGACY=y > # CONFIG_VSERVER_LEGACY_VERSION is not set > CONFIG_VSERVER_LEGACYNET=y > CONFIG_VSERVER_PROC_SECURE=y > CONFIG_VSERVER_HARDCPU=y > # CONFIG_VSERVER_HARDCPU_IDLE is not set > # CONFIG_VSERVER_DEBUG is not set > CONFIG_VSERVER=y > CONFIG_VSERVER_SECURITY=y > > > ********************************************************************** > This email and any files transmitted with it are confidential and > intended solely for the use of the individual or entity to whom they > are addressed. If you have received this email in error please notify > the system manager. > ********************************************************************** > > _______________________________________________ > Vserver mailing list > Vserver@list.linux-vserver.org > http://list.linux-vserver.org/mailman/listinfo/vserver _______________________________________________ Vserver mailing list Vserver@list.linux-vserver.org http://list.linux-vserver.org/mailman/listinfo/vserver
