Re: Jiffies

Harald Koenig (koenig@tat.physik.uni-tuebingen.de)
Fri, 14 Feb 1997 09:44:25 +0100 (MET)

> Can someone tell me what a jiffie is and how to convert
> it to seconds? I'm trying to convert the starttime entry
> from /proc/[pid]/stat and display it as a (date and) time
> of day. I'm desperate, so direct email would be appreciated.

jiffies are clock ticks (1/100 sec for ix86, 1/1024sec for ALPHA) starting
with zero for "starttime". to convert use

time_t now = starttime + jiffies / HZ;
char *timestring = ctime (&now);

or use gmtime() or localtime() etc...

Harald

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