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real    108m1.284s
user    108m51.617s
sys     307445734m57.875s

307445734 min 57.875s is something really went crazy. Linux kernel 3.1.5 x86_64. A pitty thing regarding this issue is it's hard to search on web since keywords are quite irrelevant to this very problem.

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Beware that there could be two times in your system, /usr/bin/time and possibly the bash built-in command (maybe other shells have one, too). So maybe the respectively other one works fine. Is it consistent behavior or a one-time thing? (Also there are other ways to measure things, e.g. Systemtap] –  sr_ Dec 16 '11 at 13:24
    
@sr_, it's a built-in, usually. But nevermind, the reason is kernel, not user space. I'm in email exchange with kernel devs now, we'll see… –  poige Dec 16 '11 at 19:49
    
@sr_, the issue's found. –  poige Dec 18 '11 at 16:49
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1 Answer

up vote 2 down vote accepted

BFS's bug.

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