#1  
Old 12th September 2008, 09:24
ascetic angel ascetic angel is offline
Junior Member
 
Join Date: Sep 2008
Posts: 2
Thanks: 0
Thanked 0 Times in 0 Posts
 
Default Kernel memory Usage

How to know the % physical memory used by the Linux Kernel and by individual module?
I'm in a scenario like... say, I want to know the amount of RAM used by IPv6 module. How do I do this? I've tried top, pmap, size, lsmod etc. But couldn't infer much.
top> wan't much useful to identify the module
pmap> didn't help either as it needs pid
size> (usage #size /lib/modules/2.6.25-14.fc9.i686/kernel/net/ipv6/sit.ko) couldn't infer the output
lsmod also give some size info, but is that RAM usage? does that include code+data+heap?
free, /proc/meminfo, slabtop none are helpful for me!
I want the kernel's % of RAM usage (when applications are running) but not the process' % of RAM usage.
I'm going insane in finding this!

Thanks in advance!

# lsmod
Module Size Used by
sit 12104 0

# size /lib/modules/2.6.25-14.fc9.i686/kernel/net/ipv6/sit.ko
text data bss dec hex filename
5052 4500 200 9752 2618 /lib/modules/2.6.25-14.fc9.i686/kernel/net/ipv6/sit.ko

lsmod says it's 12104 bytes, size says 9752 bytes!!!

# ls /lib/modules/2.6.25-14.fc9.i686/kernel/net/ipv6/sit.ko -l
-rwxr--r-- 1 root root 14828 2008-05-01 16:19 /lib/modules/2.6.25-14.fc9.i686/kernel/net/ipv6/sit.ko

as listed by ls, size on disk, of sit.ko module is 14828 bytes...!

Last edited by ascetic angel; 12th September 2008 at 10:37. Reason: Added some more info
Reply With Quote
Sponsored Links
Reply

Bookmarks

Thread Tools
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off

Forum Jump

Similar Threads
Thread Thread Starter Forum Replies Last Post
Google Apps dayjahone General 19 29th March 2008 17:25
High Availability Samba cluster - DRBD + Heartbeat djalex Server Operation 58 25th May 2007 19:38
Xen 3.0.2 /3.0.3 | No Swap in DomU Merc HOWTO-Related Questions 10 27th March 2007 11:40
WG311v2 almost working with Edgy (w/o ndiswrapper) need help with the rest caudata Server Operation 11 13th November 2006 20:02
Questions about ubuntu ISP-Server Setup badgerbox76 HOWTO-Related Questions 15 5th March 2006 14:41


All times are GMT +2. The time now is 04:45.


Powered by vBulletin® Version 3.8.7
Copyright ©2000 - 2014, vBulletin Solutions, Inc.