Messages in this thread |  | | Date | Fri, 01 Feb 2002 14:58:54 -0600 | | From | Eli Carter <> | | Subject | Re: Jiffies from userspace |
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Jim wrote: > > Sorry if this question seems stupid, but would this be a > reasonable way to get an estimate of the "current" value of the > kernel's jiffies: > > set -- `cat /proc/self/stat`; echo ${22} > > ... my reasoning: > > The cat will start a new process, field 22? of its "stat" node > under proc should have the jiffies value at the time the process > was started; so the echo command execute "shortly" thereafter. > > But am I right about the struct of stat: Is that really in ${22}? > > (I'm not actually planning on using this technique, it's just a > curiosity. The only practical use I can see for it might be for > doing a sanity check on gettime; checking this for an increasing > value has a hedge against settime discontinuities).
'cat /proc/uptime' might be more what you want...
Eli --------------------. Real Users find the one combination of bizarre Eli Carter \ input values that shuts down the system for days. eli.carter(a)inet.com `------------------------------------------------- - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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