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Re: [PATCH 0/13] Turn hrtimers into a range capable timer
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From: Thomas Gleixner
Subject:
Re: [PATCH 0/13] Turn hrtimers into a range capable timer
Date: Friday, September 12, 2008 - 1:24 pm
On Fri, 12 Sep 2008, Rusty Russell wrote:
quoted text
> On Tuesday 02 September 2008 09:03:43 Arjan van de Ven wrote: > > This series is a follow-on the the nanosecond select/poll series. > > > > The goal of this series is to introduce the capability into hrtimers to > > deal with a "range" rather than a specific point in time. > > (Several people discussed this recently, but we've been toying with the > > concept for a while) > > Hi Arjen, sorry for not replying sooner. > > I had half a patch to create a new "timer layer to rule them all" called > ktimers, which took an explicit "slop" value. Slop is the "how long before
Be warned, the name ktimers has already a bad history. Just ask the oracle of google :)
quoted text
> its worth waking the machine for this?" value, with friendly SLOP_USECS, > SLOP_SECONDS, SLOP_DAYS etc defines. Implemented in terms of normal and hr > timers, which get deprecated over time. > > Heuristics work for a while, but IMHO eventually this is going to have to be > plumbed through to userspace.
Agreed. tglx --
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Messages in current thread:
[PATCH 0/13] Turn hrtimers into a range capable timer
, Arjan van de Ven
, (Mon Sep 1, 4:03 pm)
[PATCH 1/13] hrtimer: add abstraction functions for access ...
, Arjan van de Ven
, (Mon Sep 1, 4:05 pm)
[PATCH 2/13] hrtimer: convert kvm to the new hrtimer apis
, Arjan van de Ven
, (Mon Sep 1, 4:05 pm)
[PATCH 3/13] hrtimer: convert timerfd to the new hrtimer apis
, Arjan van de Ven
, (Mon Sep 1, 4:06 pm)
[PATCH 4/13] hrtimer: convert net::sched_cbq to the new hr ...
, Arjan van de Ven
, (Mon Sep 1, 4:07 pm)
[PATCH 5/13] hrtimer: convert kernel/* to the new hrtimer apis
, Arjan van de Ven
, (Mon Sep 1, 4:08 pm)
[PATCH 6/13] hrtimer: convert powerpc/oprofile to the new ...
, Arjan van de Ven
, (Mon Sep 1, 4:09 pm)
[PATCH 7/13] hrtimer: convert kvm-ia64 to the new hrtimer apis
, Arjan van de Ven
, (Mon Sep 1, 4:09 pm)
[PATCH 8/13] hrtimer: convert s390 to the new hrtimer apis
, Arjan van de Ven
, (Mon Sep 1, 4:10 pm)
[PATCH 9/13] hrtimer: convert sound/ to the new hrtimer apis
, Arjan van de Ven
, (Mon Sep 1, 4:11 pm)
[PATCH 10/13] hrtimer: rename the "expires" struct member ...
, Arjan van de Ven
, (Mon Sep 1, 4:12 pm)
[PATCH 10/13] hrtimer: rename the "expires" struct member ...
, Arjan van de Ven
, (Mon Sep 1, 4:12 pm)
[PATCH 11/13] hrtimer: turn hrtimers into range timers
, Arjan van de Ven
, (Mon Sep 1, 4:13 pm)
[PATCH 12/13] hrtimer: create a "timer_slack" field in the ...
, Arjan van de Ven
, (Mon Sep 1, 4:14 pm)
[PATCH 13/13] hrtimer: make select() and poll() use the hr ...
, Arjan van de Ven
, (Mon Sep 1, 4:14 pm)
Re: [PATCH 11/13] hrtimer: turn hrtimers into range timers
, Peter Zijlstra
, (Tue Sep 2, 1:22 am)
Re: [PATCH 13/13] hrtimer: make select() and poll() use th ...
, Peter Zijlstra
, (Tue Sep 2, 1:22 am)
Re: [PATCH 12/13] hrtimer: create a "timer_slack" field in ...
, Pavel Machek
, (Tue Sep 2, 3:04 am)
Re: [PATCH 11/13] hrtimer: turn hrtimers into range timers
, Peter Zijlstra
, (Tue Sep 2, 4:08 am)
Re: [PATCH 11/13] hrtimer: turn hrtimers into range timers
, Peter Zijlstra
, (Tue Sep 2, 4:15 am)
Re: [PATCH 12/13] hrtimer: create a "timer_slack" field in ...
, Arjan van de Ven
, (Tue Sep 2, 6:03 am)
Re: [PATCH 11/13] hrtimer: turn hrtimers into range timers
, Arjan van de Ven
, (Tue Sep 2, 6:05 am)
Re: [PATCH 11/13] hrtimer: turn hrtimers into range timers
, Arjan van de Ven
, (Tue Sep 2, 6:06 am)
Re: [PATCH 11/13] hrtimer: turn hrtimers into range timers
, Peter Zijlstra
, (Tue Sep 2, 6:47 am)
Re: [PATCH 11/13] hrtimer: turn hrtimers into range timers
, Arjan van de Ven
, (Tue Sep 2, 9:02 am)
Re: [PATCH 13/13] hrtimer: make select() and poll() use th ...
, Arjan van de Ven
, (Tue Sep 2, 9:03 am)
Re: [PATCH 0/13] Turn hrtimers into a range capable timer
, Ingo Molnar
, (Sat Sep 6, 7:56 am)
Re: [PATCH 0/13] Turn hrtimers into a range capable timer
, Arjan van de Ven
, (Sat Sep 6, 9:30 am)
Re: [PATCH 0/13] Turn hrtimers into a range capable timer
, Ingo Molnar
, (Sat Sep 6, 9:33 am)
Re: [PATCH 12/13] hrtimer: create a "timer_slack" field in ...
, Pavel Machek
, (Mon Sep 8, 6:27 am)
Re: [PATCH 12/13] hrtimer: create a "timer_slack" field in ...
, Arjan van de Ven
, (Mon Sep 8, 6:40 am)
Re: [PATCH 12/13] hrtimer: create a "timer_slack" field in ...
, Pavel Machek
, (Mon Sep 8, 7:15 am)
Re: [PATCH 12/13] hrtimer: create a "timer_slack" field in ...
, Arjan van de Ven
, (Mon Sep 8, 7:22 am)
Re: [PATCH 0/13] Turn hrtimers into a range capable timer
, Rusty Russell
, (Thu Sep 11, 8:39 pm)
Re: [PATCH 0/13] Turn hrtimers into a range capable timer
, Arjan van de Ven
, (Thu Sep 11, 10:42 pm)
Re: [PATCH 0/13] Turn hrtimers into a range capable timer
, Thomas Gleixner
, (Fri Sep 12, 1:24 pm)
Re: [PATCH 12/13] hrtimer: create a "timer_slack" field in ...
, Pavel Machek
, (Sat Sep 13, 9:24 am)
Re: [PATCH 12/13] hrtimer: create a "timer_slack" field in ...
, Ulrich Drepper
, (Sun Sep 14, 8:21 am)
Re: [PATCH 12/13] hrtimer: create a "timer_slack" field in ...
, Arjan van de Ven
, (Sun Sep 14, 8:27 am)
Re: [PATCH 12/13] hrtimer: create a "timer_slack" field in ...
, Pavel Machek
, (Sun Sep 14, 8:57 am)
Re: [PATCH 12/13] hrtimer: create a "timer_slack" field in ...
, Ulrich Drepper
, (Sun Sep 14, 9:04 am)
Re: [PATCH 12/13] hrtimer: create a "timer_slack" field in ...
, Arjan van de Ven
, (Sun Sep 14, 9:14 am)
Re: [PATCH 12/13] hrtimer: create a "timer_slack" field in ...
, Pavel Machek
, (Wed Sep 17, 12:42 am)
Re: [PATCH 12/13] hrtimer: create a "timer_slack" field in ...
, KOSAKI Motohiro
, (Mon Sep 29, 10:16 pm)
Re: [PATCH 12/13] hrtimer: create a "timer_slack" field in ...
, Arjan van de Ven
, (Tue Sep 30, 1:28 am)
Re: [PATCH 12/13] hrtimer: create a "timer_slack" field in ...
, KOSAKI Motohiro
, (Tue Sep 30, 1:54 am)
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