From: Lee Revell <rlrevell@joe-job.com>
To: Roman Zippel <zippel@linux-m68k.org>
Cc: john stultz <johnstul@us.ibm.com>,
lkml <linux-kernel@vger.kernel.org>,
Andrew Morton <akpm@osdl.org>,
George Anzinger <george@mvista.com>,
Ulrich Windl <ulrich.windl@rz.uni-regensburg.de>
Subject: Re: [PATCH 1/6] new timeofday core subsystem for -mm (v.B3)
Date: Mon, 20 Jun 2005 19:40:46 -0400 [thread overview]
Message-ID: <1119310847.17602.5.camel@mindpipe> (raw)
In-Reply-To: <Pine.LNX.4.61.0506202231070.3728@scrub.home>
On Tue, 2005-06-21 at 00:05 +0200, Roman Zippel wrote:
> With -mm you can now choose the HZ value, so that's not really the
> problem anymore. A lot of archs even never changed to a higher HZ
> value.
That does not solve anything, going back to HZ=100 is a big user-visible
regression because the resolution of sleep() (and poll, etc) is now 10ms
rather than 1ms. Many apps have RT constraints between 1ms and 10ms.
Lee
next prev parent reply other threads:[~2005-06-21 0:05 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-06-18 2:56 [PATCH 1/6] new timeofday core subsystem for -mm (v.B3) john stultz
2005-06-18 2:58 ` [PATCH 2/6] new timeofday i386 arch specific changes, part 1 " john stultz
2005-06-18 2:59 ` [PATCH 3/6] new timeofday i386 arch specific changes, part 2 " john stultz
2005-06-18 3:01 ` [PATCH 4/6] new timeofday i386 arch specific changes, part 3 " john stultz
2005-06-18 3:02 ` [PATCH 5/6] new timeofday i386 arch specific changes, part 4 " john stultz
2005-06-18 3:04 ` [PATCH 6/6] new timeofday i386 specific timesources " john stultz
2005-06-18 12:02 ` [PATCH 1/6] new timeofday core subsystem " Roman Zippel
2005-06-20 7:01 ` Ulrich Windl
2005-06-20 10:22 ` Roman Zippel
2005-06-20 10:31 ` Ulrich Windl
2005-06-20 10:54 ` Roman Zippel
2005-06-20 11:04 ` Christoph Hellwig
2005-06-20 17:09 ` john stultz
2005-06-20 18:10 ` Lee Revell
2005-06-20 21:53 ` john stultz
2005-06-20 23:44 ` Lee Revell
2005-06-21 14:55 ` Chris Friesen
2005-06-21 17:20 ` john stultz
2005-06-21 6:26 ` Ulrich Windl
2005-06-20 22:05 ` Roman Zippel
2005-06-20 23:40 ` Lee Revell [this message]
2005-06-20 23:55 ` john stultz
2005-06-21 15:08 ` Roman Zippel
2005-06-22 0:57 ` john stultz
2005-06-22 2:39 ` john stultz
2005-06-22 19:45 ` Roman Zippel
2005-06-23 0:29 ` john stultz
2005-06-23 21:59 ` Roman Zippel
2005-06-24 0:33 ` john stultz
2005-06-24 10:58 ` Roman Zippel
2005-06-21 6:42 ` Ulrich Windl
2005-06-21 15:13 ` Roman Zippel
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