Re: time command sometimes shows garbage in "user" and "sys"

[christos%astron.com@localhost (Christos Zoulas)]

In article <20130201021420.GA15938%SDF.ORG@localhost>,
Mayuresh  <mayuresh%acm.org@localhost> wrote:
>I am on NetBSD 6.0 on i386.
>
>Sometimes, and I don't know how to simulate this reliably, the time
>command produces garbage (weird large numbers showing several minutes for
>a 1 or 2s job) in "user" and "sys" fields while "real" time looks ok.
>
>It is fairly frequent. I have a batch job where I measure timings in a
>loop. Once in about 10 iterations the issues is bound to trigger.
>
>Here is one example of the erroneous output:
>
>real    0m0.196s
>user    20m43.820s
>sys     4m36.405s
>
>
>Is there any other information I can gather and share to find the cause?

Can you provide a simple way to reproduce it?

christos