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- <li><em>date</em>: Fri Apr 23 21:13:31 2004</li>
- <li><em>from</em>: jkinney at localnetsolutions.com (James P. Kinney III)</li>
- <li><em>in-reply-to</em>: <<a href="msg01037.html">[email protected]</a>></li>
- <li><em>references</em>: <<a href="msg00645.html">[email protected]</a>> <<a href="msg00782.html">[email protected]</a>> <<a href="msg00784.html">[email protected]</a>> <<a href="msg01037.html">[email protected]</a>></li>
- <li><em>subject</em>: [ale] diagnosis</li>
To really test the system for nefarious RAM usage, telinit S to drop to
single user mode, then run the clean top. If that is OK, bump up to
telinit 2, then 3 and finally 5. There is a host of stuff that runs with
X that can be causing cache to grow over time while essentially "doing
nothing". It really and "undocumented feature" of gnome, KDE, and X :)
On Fri, 2004-04-23 at 17:37, David Corbin wrote:
> I tried it with the "safe" version of top. It shows nothing that isn't in my
> regular top. However, I did try "vmstat" which was there. It shows that the
> free memory is disappear as the "buffers" is growing.
>
> Does that help any?
> On Monday 19 April 2004 20:35, James P. Kinney III wrote:
> > I put up a page with the binaries and source on it :
> >
> > <a rel="nofollow" href="http://www.localnetsolutions.com/tools/";>http://www.localnetsolutions.com/tools/</a>
> >
> > Note: the procps page on sourceforge did not have an md5 checksum.
> >
> > On Mon, 2004-04-19 at 20:02, David Corbin wrote:
> > > On Monday 19 April 2004 15:01, James P. Kinney III wrote:
> > > > If it is a cracked machine, running a statically linked top from a CD
> > > > will gain access to the real top data. Top is a common binary to fiddle
> > > > with with a root kit.
> > >
> > > Sounds reasonable. Can you point me at such, or if not that, anybody got
> > > any idea where the source to top is and I'll build my own.
> > >
> > > > It is certainly possible to _add_ a module or _remove_ a module, but
> > > > change out the kernel with out a reboot (unless 2-kernel-monte is
> > > > available, I have not been able to find this :( ). So the actual data
> > > > stream for top is not tamper-able easily. Thus a known good
> > > > statically-linked top would give access to the running system and show
> > > > the _real_ processes that are running.
> > > >
> > > > If top shows no malicious files, it's time to take some snapshots over
> > > > time to plot which app is failing.
> > > >
> > > > #!/bin/sh
> > > > echo date >> /tmp/top.txt
> > > > top -b -n 1 -c >> /tmp/top.txt
> > > > echo "###############" >>/tmp/top.txt
> > > > echo >>/tmp/top.txt
> > > > echo >>/tmp/top.txt
> > > >
> > > > Run as a cron every minute for an hour.
> > > >
> > > > If you want, you can now mash/mangle the data into a nice plot using
> > > > some perl and gnplot (or a spreadsheet).
> > > >
> > > > On Mon, 2004-04-19 at 11:56, Geoffrey wrote:
> > > > > Dow Hurst wrote:
> > > > > > How can we find the process that is soaking the memory? How do you
> > > > > > manipulate /proc to find out the originating process that owns the
> > > > > > memory being used? I know IRIX had tools to look at memory and see
> > > > > > which processes owned what part of memory. Does Linux?
> > > > > >
> > > > > > Seems if you knew what was leaking you would have a major part of
> > > > > > the battle won.
> > > > >
> > > > > I believe we mentioned top, but he noted that doesn't give him
> > > > > anything. That's what concerns me. If it doesn't show, is it being
> > > > > hidden for a reason???
> _______________________________________________
> Ale mailing list
> Ale at ale.org
> <a rel="nofollow" href="http://www.ale.org/mailman/listinfo/ale";>http://www.ale.org/mailman/listinfo/ale</a>
--
James P. Kinney III \Changing the mobile computing world/
CEO & Director of Engineering \ one Linux user /
Local Net Solutions,LLC \ at a time. /
770-493-8244 \.___________________________./
<a rel="nofollow" href="http://www.localnetsolutions.com";>http://www.localnetsolutions.com</a>
GPG ID: 829C6CA7 James P. Kinney III (M.S. Physics)
<jkinney at localnetsolutions.com>
Fingerprint = 3C9E 6366 54FC A3FE BA4D 0659 6190 ADC3 829C 6CA7
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</pre>
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<ul><li><strong>Follow-Ups</strong>:
<ul>
<li><strong><a name="01058" href="msg01058.html">[ale] diagnosis</a></strong>
<ul><li><em>From:</em> dhurst at kennesaw.edu (Dow Hurst)</li></ul></li>
<li><strong><a name="01060" href="msg01060.html">[ale] diagnosis</a></strong>
<ul><li><em>From:</em> dcorbin at machturtle.com (David Corbin)</li></ul></li>
</ul></li></ul>
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<ul><li><strong>References</strong>:
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<li><strong><a name="00645" href="msg00645.html">[ale] diagnosis</a></strong>
<ul><li><em>From:</em> dcorbin at machturtle.com (David Corbin)</li></ul></li>
<li><strong><a name="00782" href="msg00782.html">[ale] diagnosis</a></strong>
<ul><li><em>From:</em> dcorbin at machturtle.com (David Corbin)</li></ul></li>
<li><strong><a name="00784" href="msg00784.html">[ale] diagnosis</a></strong>
<ul><li><em>From:</em> jkinney at localnetsolutions.com (James P. Kinney III)</li></ul></li>
<li><strong><a name="01037" href="msg01037.html">[ale] diagnosis</a></strong>
<ul><li><em>From:</em> dcorbin at machturtle.com (David Corbin)</li></ul></li>
</ul></li></ul>
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