From: Dmitry Torokhov <dmitry.torokhov@gmail.com>
To: Dominik Brodowski <linux@dominikbrodowski.net>,
linux-kernel@vger.kernel.org,
Thomas Gleixner <tglx@linutronix.de>, Ingo Molnar <mingo@elte.hu>,
Peter Zijlstra <peterz@infradead.org>,
Alan Stern <stern@rowland.harvard.edu>,
Arjan van de Ven <arjan@linux.intel.com>
Subject: Re: A few questions and issues with dynticks, NOHZ and powertop
Date: Sat, 3 Apr 2010 16:53:26 -0700 [thread overview]
Message-ID: <20100403235326.GA23445@core.coreip.homeip.net> (raw)
In-Reply-To: <20100403223328.GA4507@comet.dominikbrodowski.net>
Hi Dominik,
On Sun, Apr 04, 2010 at 12:33:28AM +0200, Dominik Brodowski wrote:
>
> 4) SynPS/2 touchpad:
> Why does moving the touchpad lead to sooo many IRQs? I can't look as fast
> as the mouse pointer seems to get new data:
> 62,5% (473,1) <interrupt> : PS/2 keyboard/mouse/touchpad
>
80 pps @ 6 bytes/packet = 480 interrupts/sec.
You can try using psmouse.rate=40 to limit it to 40 pps which should
bring it to the rate of standard PS/2 mouse at the expense of
sensitivity...
--
Dmitry
next prev parent reply other threads:[~2010-04-03 23:53 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-04-03 22:33 A few questions and issues with dynticks, NOHZ and powertop Dominik Brodowski
2010-04-03 23:53 ` Dmitry Torokhov [this message]
2010-04-04 10:35 ` Dominik Brodowski
2010-04-05 20:54 ` Dmitry Torokhov
2010-04-04 10:47 ` Dominik Brodowski
2010-04-05 3:42 ` Arjan van de Ven
2010-04-05 20:41 ` Dominik Brodowski
2010-04-05 20:52 ` Dmitry Torokhov
2010-04-04 15:17 ` Alan Stern
2010-04-04 16:39 ` Dominik Brodowski
2010-04-04 20:47 ` Paul E. McKenney
2010-04-04 23:37 ` Paul E. McKenney
2010-04-05 3:44 ` Arjan van de Ven
2010-04-05 4:22 ` Paul E. McKenney
2010-04-05 14:40 ` Arjan van de Ven
2010-04-05 15:14 ` Paul E. McKenney
2010-04-05 16:07 ` Arjan van de Ven
2010-04-05 16:22 ` Paul E. McKenney
2010-04-05 16:23 ` Arjan van de Ven
2010-04-05 16:40 ` Paul E. McKenney
2010-04-05 18:44 ` david
2010-04-05 19:48 ` Arjan van de Ven
2010-04-05 20:34 ` Paul E. McKenney
2010-04-05 21:03 ` Dominik Brodowski
2010-04-05 21:38 ` Paul E. McKenney
2010-04-05 22:11 ` Dominik Brodowski
2010-04-05 22:31 ` Paul E. McKenney
2010-04-06 20:45 ` Dominik Brodowski
2010-04-06 20:59 ` Paul E. McKenney
2010-04-08 19:59 ` [RFC PATCH] nohz/sched: disable ilb on !mc_capable() Dominik Brodowski
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