ELF Binary Stripper?
Matthew Saltzman
mjs at ces.clemson.edu
Thu Oct 13 18:19:27 UTC 2005
On Thu, 13 Oct 2005, Tony Nelson wrote:
> At 9:43 AM -0400 10/13/05, Matthew Saltzman wrote:
> ...
>> I wonder if nicing it would avoid the problem of making your machine
>> unresponsive. I don't see why it has to run at regular priority.
>
> I see a renice +19 in /etc/cron.daily/prelink. Of course, this won't
Oops, missed that when I glanced at it.
> reduce the CPU usage below 100%, it just changes who gets it first.
So it shouldn't make a system unusable in any case (unless maybe the
system is memory constrained and swapping along with everything else).
>
>
>> Also, the amount of work prelink does can be controlled in
>> /etc/sysconfig/prelink. Normally, it should be quick (only bins and libs
>> that have changed), but every two weeks it runs normally. If you aren't
>> upgrading RPMs, it apparently doesn't do anything at all until after a
>> week elapses.
> ...
>
> Anything that confuses prelink enough that it always runs a full prelink
> would make it take a long time. Perhaps it can't find /etc/prelink.cache
> or it thinks the cache is bad or some such. Perhaps -v would help diagnose
> the problem, as would running it directly and observing.
And (disregarding philosophical objections to prelink "munging" binaries)
would seen to be the most utilitarian approach to solving the problem.
--
Matthew Saltzman
Clemson University Math Sciences
mjs AT clemson DOT edu
http://www.math.clemson.edu/~mjs
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