Re: fork/sh/hello microbenchmark performance in chroot

Shaya Potter (spotter@cs.columbia.edu)
13 Mar 2003 20:54:29 -0500


in a followup, the only thing I can tell difference b/w the 2 runs
(under strace and inside and outside of the chroot) is that within the
chroot, after every fork() I see a SIGSTOP on the child.

anyone have any idea why this is happening?

On Thu, 2003-03-13 at 20:43, Shaya Potter wrote:
> I'm trying to play with our a homebrew version of lmbench's fork
> benchmark which exec's sh to run a "hello world" program. On normal
> 2.4.18 (UP 933mhz p3) it runs in about .2s However, within a chrooted
> environment I'm looking at 1s.
>
> Anyone knows why this runs significantly slower within a chroot?
>
> thanks,
>
> shaya
>
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