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Re: Bug/limitation in 'time' (kernel setings?)...


From: Pierre Gaston
Subject: Re: Bug/limitation in 'time' (kernel setings?)...
Date: Tue, 19 Mar 2013 10:59:31 +0200

On Tue, Mar 19, 2013 at 5:03 AM, Bruce Dawson
<address@hidden> wrote:
> I'll give those a try.
>
> BTW, I just posted the blog post to share what I'd found. You can see it
> here:
>
> http://randomascii.wordpress.com/2013/03/18/counting-to-ten-on-linux/
>
> I hope it's accurate, and I do think it would be worth mentioning the issue
> in the documentation for 'time' and the bash 'time' internal command.
>
For what it's worth, I still thinks that time is not lying (though the
man page warns about possible inaccuracies),
Your loop with expr might be "cpu bound" but it does not run often
because other processes are given a chance to run.



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