linux-kernel - RE: Question about free/used memory on Linux

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-ID: <FA6FB5FA4DA6BF4386D129273B2E3EC3024B85A3@xmb-sjc-214.amer.cisco.com>
Date:	Wed, 14 Nov 2007 10:18:24 -0800
From:	"Ravinandan Arakali (rarakali)" <rarakali@...co.com>
To:	Pádraig Brady <P@...igBrady.com>
Cc:	"Vaidyanathan Srinivasan" <svaidy@...ux.vnet.ibm.com>,
	"Linux Kernel" <linux-kernel@...r.kernel.org>
Subject: RE: Question about free/used memory on Linux

Thanks Padraig.

Any idea how to get the size of running linux kernel ?

Ravi 

-----Original Message-----
From: Pádraig Brady [mailto:P@...igBrady.com] 
Sent: Wednesday, November 14, 2007 3:58 AM
To: Ravinandan Arakali (rarakali)
Cc: Vaidyanathan Srinivasan; Linux Kernel
Subject: Re: Question about free/used memory on Linux

Ravinandan Arakali (rarakali) wrote:
> Hi Vaidy,
> What do you think is the right way to get the memory usage of a 
> process, I mean the actual physical memory used ? Basically, I'm 
> interested in the incremental cost of a process, which means, I don't 
> want to include the text segments of shared libraries which would 
> remain even after the process is killed (since it would be used by 
> other processes).
> 
> Is the RSS field of "ps aux" command the right one or use "pmap" 
> command and look at the "writeable" segments ?

I already commented on this thread with a python script for reporting RAM usage for programs.

RSS = Private and Shared Resident pages.
You can get the shared value for a process from /proc/$$/smaps (as is done in the script)

Pádraig.
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/