From: Tomas Janousek <tjanouse@redhat.com>
To: Ingo Oeser <ioe-lkml@rameria.de>
Cc: Andrew Morton <akpm@linux-foundation.org>,
john stultz <johnstul@us.ibm.com>,
linux-kernel@vger.kernel.org, tsmetana@redhat.com,
riel@redhat.com
Subject: Re: [PATCH] Introduce boot based time
Date: Thu, 10 May 2007 22:00:33 +0200 [thread overview]
Message-ID: <20070510200033.GA31048@redhat.com> (raw)
In-Reply-To: <200705102149.01714.ioe-lkml@rameria.de>
Hi Ingo,
On Thu, May 10, 2007 at 09:48:59PM +0200, Ingo Oeser wrote:
> > +static unsigned long total_sleep_time;
>
> Could you make that a ktime_t (or struct ktime)?
> There are machines, which sleep more than they are awake.
> Just imagine a surveillance camera triggered by door entrance.
>
> Yes, these things might run Linux (e.g. on "cris" architecture).
>
> Or your VCR.
> Yes, these devices might sleep more than they are awake,
> if you are not a TV junkie :-)
The value is in seconds. It can hold up to 136 years of sleep. I'd rather
spend the money on beer than on a VCR that I'm gonna suspend for 137 years :)
(or do we have a 16-bit long anywhere?)
Regards,
--
TJ. (Brno, CZ), BaseOS, Red Hat
next prev parent reply other threads:[~2007-05-10 20:00 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-05-03 15:03 Broken process startup times after suspend (regression) Tomas Janousek
2007-05-03 19:59 ` john stultz
2007-05-04 16:13 ` Tomas Janousek
2007-05-04 18:18 ` john stultz
2007-05-04 19:09 ` Tomas Janousek
2007-05-10 17:10 ` [PATCH] Introduce boot based time Tomas Janousek
2007-05-10 17:10 ` [PATCH] Use boot based time for process start time and boot time in /proc Tomas Janousek
2007-05-10 18:44 ` john stultz
2007-05-10 23:40 ` Andrew Morton
2007-05-11 8:45 ` Tomas Janousek
2007-05-11 19:51 ` Andrew Morton
2007-05-11 23:37 ` Tomas Janousek
2007-05-11 8:46 ` Tomas Janousek
2007-05-10 17:10 ` [PATCH] Use boot based time for uptime " Tomas Janousek
2007-05-10 18:47 ` john stultz
2007-05-10 18:42 ` [PATCH] Introduce boot based time john stultz
2007-05-10 19:48 ` Ingo Oeser
2007-05-10 20:00 ` Tomas Janousek [this message]
2007-05-10 20:02 ` john stultz
2007-05-10 22:22 ` Ingo Oeser
2007-05-10 23:40 ` Andrew Morton
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