From: Tomas Telensky <tomas@matfyz.cz>
To: "Ihar 'Philips' Filipau" <filia@softhome.net>
Cc: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: [2.4] Are jiffies in jiffies?
Date: Tue, 4 Nov 2003 13:52:38 +0100 [thread overview]
Message-ID: <20031104125238.GC18625@artax.karlin.mff.cuni.cz> (raw)
In-Reply-To: <3FA79D3A.8090308@softhome.net>
> 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
next prev parent reply other threads:[~2003-11-04 12:52 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-11-04 12:36 [2.4] Are jiffies in jiffies? Ihar 'Philips' Filipau
2003-11-04 12:52 ` Tomas Telensky [this message]
2003-11-04 13:04 ` Bernd Petrovitsch
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