From: George Anzinger <george@mvista.com>
To: tglx@linutronix.de
Cc: Ingo Molnar <mingo@elte.hu>, Roland McGrath <roland@redhat.com>,
Oleg Nesterov <oleg@tv-sign.ru>,
linux-kernel@vger.kernel.org,
Steven Rostedt <rostedt@goodmis.org>,
"Paul E. McKenney" <paulmck@us.ibm.com>
Subject: Re: [PATCH 2.6.13-rc6-rt9] PI aware dynamic priority adjustment
Date: Fri, 19 Aug 2005 17:19:31 -0700 [thread overview]
Message-ID: <43067713.4040700@mvista.com> (raw)
In-Reply-To: <1124495303.23647.579.camel@tglx.tec.linutronix.de>
Thomas Gleixner wrote:
~
>
> 2. Drift of cyclic timers (armed by set_timer()):
>
> Due to rounding errors and the drift adjustment code, the fixed
> increment which is precalculated when the timer is set up and added on
> rearm, I see creeping deviation from the timeline.
>
> I have a patch lined up to base the rearm on human (nsac) units, so this
> effect will go away. But this is waste of time until (1.) is not solved.
>
> George ???
Could I (we) see what you have in mind?
>
--
George Anzinger george@mvista.com
HRT (High-res-timers): http://sourceforge.net/projects/high-res-timers/
next prev parent reply other threads:[~2005-08-20 7:21 UTC|newest]
Thread overview: 63+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-08-18 6:01 2.6.13-rc6-rt9 Ingo Molnar
2005-08-18 15:24 ` 2.6.13-rc6-rt9 Thomas Gleixner
2005-08-18 16:08 ` 2.6.13-rc6-rt9 Thomas Gleixner
2005-08-18 21:17 ` 2.6.13-rc6-rt9 Thomas Gleixner
2005-08-18 22:54 ` [2.6.13-rc6-rt9 patch] fix DECNET_ROUTER=y compile Adrian Bunk
2005-08-22 7:59 ` Ingo Molnar
2005-08-18 22:54 ` 2.6.13-rc6-rt9: compile errors Adrian Bunk
2005-08-22 8:44 ` Ingo Molnar
2005-08-19 0:05 ` 2.6.13-rc6-rt9 Chuck Harding
2005-08-19 6:39 ` 2.6.13-rc6-rt9 Steven Rostedt
2005-08-19 13:00 ` 2.6.13-rc6-rt9 Steven Rostedt
2005-08-19 15:36 ` 2.6.13-rc6-rt9 Steven Rostedt
2005-08-22 7:57 ` 2.6.13-rc6-rt9 Ingo Molnar
2005-08-22 7:58 ` 2.6.13-rc6-rt9 Ingo Molnar
2005-08-23 12:36 ` 2.6.13-rc6-rt9 Ingo Molnar
2005-08-23 12:50 ` 2.6.13-rc6-rt9 Steven Rostedt
2005-08-23 12:56 ` 2.6.13-rc6-rt9 Ingo Molnar
2005-08-19 16:56 ` 2.6.13-rc6-rt9 Peter Zijlstra
2005-08-19 18:30 ` 2.6.13-rc6-rt9 Peter Zijlstra
2005-08-19 18:43 ` 2.6.13-rc6-rt9 Paul E. McKenney
2005-08-20 19:27 ` 2.6.13-rc6-rt9 Peter Zijlstra
2005-08-20 21:24 ` 2.6.13-rc6-rt9 Jeff Dike
2005-09-29 7:54 ` 2.6.13-rc6-rt9 Peter Zijlstra
2005-09-30 1:00 ` 2.6.13-rc6-rt9 Paul E. McKenney
2005-09-30 1:07 ` 2.6.13-rc6-rt9 Thomas Gleixner
2005-09-30 1:46 ` 2.6.13-rc6-rt9 Paul E. McKenney
2005-09-30 6:17 ` 2.6.13-rc6-rt9 Thomas Gleixner
2005-08-19 21:50 ` 2.6.13-rc6-rt9 Darren Hart
2005-08-25 6:24 ` 2.6.13-rc6-rt9 Ingo Molnar
2005-08-19 22:13 ` 2.6.13-rc6-rt9 Darren Hart
2005-08-19 23:00 ` 2.6.13-rc6-rt9 Thomas Gleixner
2005-08-20 15:13 ` 2.6.13-rc6-rt9 Darren Hart
2005-08-19 23:48 ` [PATCH 2.6.13-rc6-rt9] PI aware dynamic priority adjustment Thomas Gleixner
2005-08-20 0:19 ` George Anzinger [this message]
2005-08-20 0:36 ` Thomas Gleixner
2005-08-20 1:36 ` George Anzinger
2005-09-26 21:03 ` Roland McGrath
2005-08-20 14:10 ` Oleg Nesterov
2005-08-20 16:04 ` Thomas Gleixner
2005-08-20 17:50 ` Oleg Nesterov
2005-08-22 21:37 ` George Anzinger
2005-08-20 16:58 ` [PATCH] fix send_sigqueue() vs thread exit race Oleg Nesterov
2005-08-21 9:44 ` Thomas Gleixner
2005-08-21 10:41 ` Oleg Nesterov
2005-08-21 12:38 ` Thomas Gleixner
2005-08-21 10:59 ` Oleg Nesterov
2005-08-21 21:24 ` Thomas Gleixner
2005-08-21 21:50 ` Thomas Gleixner
2005-08-22 6:39 ` Oleg Nesterov
2005-08-22 8:08 ` Thomas Gleixner
2005-08-22 8:52 ` Oleg Nesterov
2005-08-22 10:06 ` Thomas Gleixner
2005-08-22 16:45 ` Oleg Nesterov
2005-08-23 10:13 ` Thomas Gleixner
2005-08-23 16:17 ` Oleg Nesterov
2005-08-23 18:29 ` Thomas Gleixner
2005-09-24 13:42 ` [PATCH] fix exit_itimers() vs posix_timer_event() AB-BA deadlock Oleg Nesterov
2005-09-25 5:44 ` Andrew Morton
2005-09-25 14:07 ` [PATCH] fix exit_itimers() vs posix_timer_event() AB-BAdeadlock Oleg Nesterov
2005-10-23 16:50 ` Oleg Nesterov
2005-08-23 10:42 ` [PATCH] fix send_sigqueue() vs thread exit race Thomas Gleixner
2005-08-22 7:38 ` [PATCH 2.6.13-rc6-rt9] PI aware dynamic priority adjustment Ingo Molnar
2005-08-22 7:41 ` Ingo Molnar
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