Re: memory foorprint of kernel modules

[Richard B. Johnson]

On Thu, 12 Feb 2004, Gopi Palaniappan wrote:

> Is there an easy way to measure the memory/RAM footprint of dynamically
> loaded kernel modules?
> Are there tools similar to "pmap" for this purpose?
>
> thanks,
> Gopi
> --
> Motorola Inc.
> Personal Communications Sector,
> Urbana-Champaign Design Center,
> 1800 S. Oak St, Champaign, IL 61820.
>

You might make some sense of /proc/ksyms...

This is for a module called ramdisk.

Script started on Thu Feb 12 15:41:10 2004
cd /proc
# strings ksyms | grep ramdisk
[ramdisk]
[ramdisk]
[ramdisk]
[ramdisk]
[ramdisk]
[ramdisk]
[ramdisk]
[ramdisk]
d4a19510 __insmod_ramdisk_S.bss_L4
[ramdisk]
d4a19100 __insmod_ramdisk_S.rodata_L563
[ramdisk]
[ramdisk]
[ramdisk]
d4a18000 __insmod_ramdisk_O/root/Message-Based/drivers/target/ramdisk.o_M4027E0AD_V132120
[ramdisk]
[ramdisk]
[ramdisk]
[ramdisk]
d4a18054 __insmod_ramdisk_S.text_L4237
[ramdisk]
[ramdisk]
[ramdisk]
[ramdisk]
d4a19398 __insmod_ramdisk_S.data_L5
[ramdisk]
# exit
exit
Script done on Thu Feb 12 15:41:45 2004



Cheers,
Dick Johnson
Penguin : Linux version 2.4.24 on an i686 machine (797.90 BogoMips).
            Note 96.31% of all statistics are fiction.


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