Thread: High memory usage, Lucid with backports kernel
hi,
running lucid x64 fan of lts. better performance of ati r500 graphic card, installed backports kernel of 3.0 (backports oneiric), since amd/ati has given on proprietary driver r500 long time ago.
went smooth except 1 memory usage issue.
fresh boot, memory usage quite low, 700m without login. after couple of days running, memory usage 1.2g without login.
have checked top contributor of memory usage ps, not difference between two, bothers me lot. can not tell memory goes! same thing 2.6.38, backports natty.
never happening default kernel of 2.6.32.
give me hints on how debug this.
memory usage of fresh boot,
output of free,
output of ps auxf | sort -nr -k 4,code:total used free shared buffers cached mem: 3993328 769428 3223900 0 60584 497964 -/+ buffers/cache: 210880 3782448 swap: 4000180 0 4000180
code:oot 1956 1.4 0.4 30256 19484 ? sns 18:55 0:04 /usr/sbin/preload -s /var/lib/preload/preload.state root 1220 0.2 0.4 112172 16948 tty7 ss+ 18:55 0:00 \_ /usr/bin/x :0 -nr -verbose -auth /var/run/gdm/auth-for-gdm-nbsqlh/database -nolisten tcp vt7 gdm 1866 0.0 0.4 197804 16480 ? s 18:55 0:00 | \_ /usr/lib/gdm/gdm-simple-greeter gdm 1691 0.0 0.3 244140 14744 ? ss 18:55 0:00 /usr/lib/gnome-settings-daemon/gnome-settings-daemon --gconf-prefix=/apps/gdm/simple-greeter/settings-manager-plugins gdm 1867 0.0 0.2 167460 8372 ? s 18:55 0:00 | \_ gnome-power-manager gdm 1859 0.0 0.2 205728 10340 ? s 18:55 0:00 | \_ metacity root 1960 0.0 0.1 54348 4344 ? s 18:55 0:00 /usr/lib/policykit-1/polkitd root 1077 0.0 0.1 93232 5376 ? ssl 18:55 0:00 networkmanager gdm 1685 0.0 0.1 46436 5884 ? s 18:55 0:00 /usr/lib/libgconf2-4/gconfd-2 gdm 1671 0.0 0.1 144596 7468 ? ssl 18:55 0:00 \_ /usr/bin/gnome-session --autostart=/usr/share/gdm/autostart/loginwindow/ 108 2030 0.0 0.1 45548 5804 ? ssl 18:55 0:00 /usr/sbin/hald user pid %cpu %mem vsz rss tty stat start time command syslog 1061 0.0 0.0 120916 2208 ? sl 18:55 0:00 rsyslogd -c4 auser 9250 0.0 0.0 60016 896 pts/0 s+ 19:00 0:00 \_ sort -nr -k 4 auser 9249 0.0 0.0 15444 1220 pts/0 r+ 19:00 0:00 \_ ps axuf auser 8819 0.0 0.0 44996 528 ? ssl 19:00 0:00 sshfs blahblah auser 8346 0.0 0.0 38604 2708 pts/0 s 18:59 0:00 ssh -x -a -oclearallforwardings=yes -2 root@ss -s sftp auser 8333 0.0 0.0 19496 2236 pts/0 ss 18:59 0:00 \_ -bash auser 8332 0.0 0.0 87452 1728 ? s 18:59 0:00 \_ sshd: auser@pts/0 root 990 0.0 0.0 0 0 ? s< 18:55 0:00 \_ [ext4-dio-unwrit] root 989 0.0 0.0 0 0 ? s 18:55 0:00 \_ [jbd2/sda1-8] root 908 0.0 0.0 0 0 ? s 18:55 0:00 \_ [scsi_eh_7] root 9 0.0 0.0 0 0 ? s 18:54 0:00 \_ [ksoftirqd/1]
meomory usage after couple of days of running,
output of free,
output of ps auxf | sort -nr -k 4,code:total used free shared buffers cached mem: 3993328 3036036 957292 0 232332 1818296 -/+ buffers/cache: 985408 3007920 swap: 4000180 188 3999992
code:root 3959 0.4 0.4 30256 19564 ? sns jan01 11:06 /usr/sbin/preload -s /var/lib/preload/preload.state root 3704 0.0 0.4 112180 16928 tty7 ss+ jan01 0:07 \_ /usr/bin/x :0 -br -verbose -auth /var/run/gdm/auth-for-gdm-na1jco/database -nolisten tcp gdm 3736 0.0 0.4 197804 16476 ? s jan01 0:11 | \_ /usr/lib/gdm/gdm-simple-greeter gdm 3732 0.0 0.3 244136 14740 ? ss jan01 0:05 /usr/lib/gnome-settings-daemon/gnome-settings-daemon --gconf-prefix=/apps/gdm/simple-greeter/settings-manager-plugins gdm 3737 0.0 0.2 167460 8372 ? s jan01 0:02 | \_ gnome-power-manager gdm 3735 0.0 0.2 205712 10456 ? s jan01 0:01 | \_ metacity auser 31359 0.0 0.1 139368 4976 ? ssl 2011 0:01 sshfs blahblah root 4242 0.0 0.1 55140 5172 ? s 2011 0:01 /usr/lib/policykit-1/polkitd root 30213 0.0 0.1 93360 5508 ? ssl 2011 1:29 networkmanager gdm 3729 0.0 0.1 46448 5892 ? s jan01 0:01 /usr/lib/libgconf2-4/gconfd-2 gdm 3726 0.0 0.1 144596 7472 ? ssl jan01 0:00 \_ /usr/bin/gnome-session --autostart=/usr/share/gdm/autostart/loginwindow/ gdm 10693 0.0 0.1 148144 6888 ? s jan01 0:00 /usr/bin/gnome-screensaver --no-daemon user pid %cpu %mem vsz rss tty stat start time command syslog 3693 0.0 0.0 185396 1436 ? sl jan01 0:03 rsyslogd -c4 auser 8660 0.0 0.0 60016 892 pts/0 s+ 18:53 0:00 \_ sort -nr -k 4 auser 8659 0.0 0.0 15444 1208 pts/0 r+ 18:53 0:00 \_ ps auxf auser 8189 0.0 0.0 19504 2236 pts/0 ss 18:50 0:00 \_ -bash auser 8186 0.0 0.0 87452 1728 ? s 18:50 0:00 \_ sshd: auser@pts/0 auser 3956 0.0 0.0 19548 2152 pts/1 ss 2011 0:00 \_ /bin/bash auser 3949 0.0 0.0 25372 1228 ? ss 2011 0:00 screen auser 31273 0.0 0.0 38948 2832 ? s 2011 0:01 ssh -x -a -oclearallforwardings=yes -2 root@ss -s sftp rtkit 25006 0.0 0.0 39592 1264 ? snl 2011 0:09 /usr/lib/rtkit/rtkit-daemon root 916 0.0 0.0 0 0 ? s 2011 0:00 \_ [scsi_eh_7] root 909 0.0 0.0 0 0 ? s< 2011 0:00 \_ [hd-audio0] root 9 0.0 0.0 0 0 ? s 2011 0:22 \_ [ksoftirqd/1]
looks normal me. have plenty of free ram applications/tasks.
http://www.linuxatemyram.com/
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