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From: John Stultz <john.stultz@linaro.org>
To: Thomas Gleixner <tglx@linutronix.de>
Cc: LKML <linux-kernel@vger.kernel.org>,
	"Jamie Lokier" <jamie@shareable.org>,
	"Alexander Shishkin" <virtuoso@slind.org>,
	"Arve Hjønnevåg" <arve@android.com>
Subject: Re: [PATCH 2/2] hrtimers: Add CLOCK_BOOTTIME clockid, hrtimerbase and posix interface
Date: Tue, 01 Feb 2011 10:35:31 -0800	[thread overview]
Message-ID: <1296585331.3336.14.camel@work-vm> (raw)
In-Reply-To: <alpine.LFD.2.00.1102011510570.31804@localhost6.localdomain6>

On Tue, 2011-02-01 at 15:16 +0100, Thomas Gleixner wrote:
> On Mon, 31 Jan 2011, John Stultz wrote:
> 
> > CLOCK_MONOTONIC stops while the system is in suspend. This is because
> > to applications system suspend is invisible. However, there is a
> > growing set of applications that are wanting to be suspend-aware,
> > but do not want to deal with the complicatoins of CLOCK_REALTIME
> > (which might jump around if settimeofday is called).
> > 
> > For these applications, I propose a new clockid: CLOCK_BOOTTIME.
> > CLOCK_BOOTTIME is idential to CLOCK_MONOTONIC, except it also
> > includes any time spent in suspend.
> > 
> > This patch adds the new CLOCK_BOOTTIME clockid, as well as the
> > infrastructure needed to support hrtimers against it, and the
> > wiring to expose it out via the posix interface.
> 
> Can you please split that into parts:
> 
>     - Add the new functions
>     - Wire up hrtimers, posix-timers

Will do. And will rebase to tip/timers/core.

thanks
-john



      reply	other threads:[~2011-02-01 18:35 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-02-01  3:43 [PATCH 0/2] Add CLOCK_BOOTTIME functionality John Stultz
2011-02-01  3:43 ` [PATCH 1/2] hrtimers: extend hrtimer base code to handle more then 2 clockids John Stultz
2011-02-01 14:10   ` Thomas Gleixner
2011-02-01 18:37     ` John Stultz
2011-02-01 18:47       ` Thomas Gleixner
2011-02-01  3:43 ` [PATCH 2/2] hrtimers: Add CLOCK_BOOTTIME clockid, hrtimerbase and posix interface John Stultz
2011-02-01 14:16   ` Thomas Gleixner
2011-02-01 18:35     ` John Stultz [this message]

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