Gentoo Archives: gentoo-user

From: Alex Schuster <wonko@×××××××××.org>
To: gentoo-user@l.g.o
Subject: Re: [gentoo-user] I want to play movies without hangs
Date: Sun, 13 May 2012 01:00:32
Message-Id: 20120513025823.4c8d6f48@weird.wonkology.org
In Reply to: Re: [gentoo-user] I want to play movies without hangs by Michael Mol
1 Michael Mol writes:
2
3 > On Sat, May 12, 2012 at 8:34 PM, Alex Schuster <wonko@×××××××××.org>
4 > wrote:
5 > > Dale writes:
6 > >
7 > >> Is there a way to find out what is using swap?  Maybe something
8 > >> related to the video is on swap which at times can be slow,
9 > >> certainly slower than ram.
10 > >>
11 > >> I have always wondered how to find this out myself.
12 > >
13 > > Me too, so when I had this sudden swap problem for the first time, I
14 > > searched for a method to do this and found a script here:
15 > > http://northernmost.org/blog/find-out-what-is-using-your-swap/
16 > >
17 > > There's lots of information for all processes in /proc/<pid>/. Trying
18 > > to read /proc/<pid>/mem (I think it was this file) in mc was not such
19 > > a good idea, the system froze with lots of HD activity, and after
20 > > half an hour I rebooted with Alt-SysRq-{K,E,I,S,U,B}.
21 > >
22 > > I improved the script a little, it allows sorting by PID, size and
23 > > name, and can restrict the output to specific processes or show only
24 > > those using more swap than specified. If interested you can download
25 > > it here: http://www.wonkology.org/utils/getswap
26 > > You need to be root to see processes you do not own.
27 > >
28 > > But of course, I forgot to run it after the sudden swap problem
29 > > happened lately. So I still do not know what was going on there. I'll
30 > > wait for the next time it happens.
31 > >
32 > >        Wonko
33 > >
34 >
35 > sys-process/htop
36
37 Huh? I only see the total amount of swap being used, but no entry per
38 process.
39
40 Wonko

Replies

Subject Author
Re: [gentoo-user] I want to play movies without hangs Michael Mol <mikemol@×××××.com>