Re: [2.4] Are jiffies in jiffies?

From: Tomas Telensky
Date: Tue Nov 04 2003 - 07:53:40 EST



> Hello!
>
> [ I beleive this is real FAQ - so responding with private e-mails
> more appropriate.
> ptr("RTFM") != 0 are welcome. ]
>
> jiffies declared in kernel/timer.c.
> Name suggests that it is incremented 100 times per second.
> LDD2 suggests that it is incremented every 1000/HZ per second.
>
> Is it just name misleading - or I really miss the point?
>
> So to translate this to seconds i need (jiffies*1000/HZ)
> and milliseconds are just (jiffies/HZ) then.

No. seconds are jiffies/HZ.
HZ = Herz = something per second :-)
HZ = something / second => second = something / HZ :-)

Tomas

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