From: Jesse Barnes <jbarnes@virtuousgeek.org>
To: Vasily Khoruzhick <anarsoul@gmail.com>
Cc: intel-gfx@lists.freedesktop.org,
Thomas Gleixner <tglx@linutronix.de>,
linux-kernel@vger.kernel.org
Subject: Re: Interrupt latency on some 945GM platforms
Date: Mon, 13 Sep 2010 14:59:52 -0700 [thread overview]
Message-ID: <20100913145952.2646a2f8@jbarnes-desktop> (raw)
In-Reply-To: <201009140052.36670.anarsoul@gmail.com>
On Tue, 14 Sep 2010 00:52:31 +0300
Vasily Khoruzhick <anarsoul@gmail.com> wrote:
> В сообщении от 14 of September 2010 00:46:32 автор Jesse Barnes написал:
>
> > Yes, you can set vblank_mode=0 in your environment or drirc. At least
> > I think 0 is no vsync. :)
>
> That doesn't help, glxgears shows ~1000fps, but it's output is jerky.
Is it smooth with clocksource=tsc? I wonder if the GPU batch
interrupts are also getting delayed, and possibly timer ticks...
--
Jesse Barnes, Intel Open Source Technology Center
WARNING: multiple messages have this Message-ID (diff)
From: Jesse Barnes <jbarnes@virtuousgeek.org>
To: Vasily Khoruzhick <anarsoul@gmail.com>
Cc: intel-gfx@lists.freedesktop.org,
Thomas Gleixner <tglx@linutronix.de>,
linux-kernel@vger.kernel.org
Subject: Re: Interrupt latency on some 945GM platforms
Date: Mon, 13 Sep 2010 14:59:52 -0700 [thread overview]
Message-ID: <20100913145952.2646a2f8@jbarnes-desktop> (raw)
In-Reply-To: <201009140052.36670.anarsoul@gmail.com>
On Tue, 14 Sep 2010 00:52:31 +0300
Vasily Khoruzhick <anarsoul@gmail.com> wrote:
> В сообщении от 14 of September 2010 00:46:32 автор Jesse Barnes написал:
>
> > Yes, you can set vblank_mode=0 in your environment or drirc. At least
> > I think 0 is no vsync. :)
>
> That doesn't help, glxgears shows ~1000fps, but it's output is jerky.
Is it smooth with clocksource=tsc? I wonder if the GPU batch
interrupts are also getting delayed, and possibly timer ticks...
--
Jesse Barnes, Intel Open Source Technology Center
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Intel-gfx@lists.freedesktop.org
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next prev parent reply other threads:[~2010-09-13 22:00 UTC|newest]
Thread overview: 69+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-09-13 20:36 vsync problems with recent graphics stack and 945gm Vasily Khoruzhick
2010-09-13 20:44 ` Jesse Barnes
2010-09-13 21:10 ` Vasily Khoruzhick
2010-09-13 21:19 ` Interrupt latency on some 945GM platforms Jesse Barnes
2010-09-13 21:19 ` Jesse Barnes
2010-09-13 21:41 ` Vasily Khoruzhick
2010-09-13 21:41 ` Vasily Khoruzhick
2010-09-13 21:46 ` Jesse Barnes
2010-09-13 21:46 ` Jesse Barnes
2010-09-13 21:52 ` Vasily Khoruzhick
2010-09-13 21:52 ` Vasily Khoruzhick
2010-09-13 21:59 ` Jesse Barnes [this message]
2010-09-13 21:59 ` Jesse Barnes
2010-09-13 22:03 ` Vasily Khoruzhick
2010-09-14 0:55 ` Venkatesh Pallipadi
2010-09-14 8:09 ` Vasily Khoruzhick
2010-09-14 8:09 ` Vasily Khoruzhick
2010-09-14 9:52 ` Thomas Gleixner
2010-09-14 12:29 ` Vasily Khoruzhick
2010-09-14 12:29 ` Vasily Khoruzhick
2010-09-14 22:41 ` Sitsofe Wheeler
2010-09-15 7:07 ` Vasily Khoruzhick
2010-09-15 7:07 ` Vasily Khoruzhick
2010-09-16 15:03 ` Vasily Khoruzhick
2010-09-16 15:03 ` Vasily Khoruzhick
2010-09-16 18:07 ` Thomas Gleixner
2010-09-16 18:30 ` Vasily Khoruzhick
2010-09-16 18:30 ` Vasily Khoruzhick
2010-09-16 18:42 ` Vasily Khoruzhick
2010-09-16 18:50 ` Thomas Gleixner
2010-09-16 20:06 ` Vasily Khoruzhick
2010-09-24 19:39 ` Jesse Barnes
2010-09-24 19:48 ` Vasily Khoruzhick
2010-09-24 19:51 ` Jesse Barnes
2010-09-24 19:51 ` Jesse Barnes
2010-09-26 10:53 ` Stefan Biereigel
2010-09-27 0:46 ` Shaohua Li
2010-09-27 0:46 ` Shaohua Li
2010-09-27 2:52 ` Alexander Lam
2010-09-27 5:45 ` Stefan Biereigel
2010-09-27 11:41 ` Vasily Khoruzhick
2010-09-27 11:41 ` Vasily Khoruzhick
2010-09-27 21:18 ` Vasily Khoruzhick
2010-09-27 21:18 ` Vasily Khoruzhick
2010-09-30 20:23 ` Alexander Lam
2010-09-25 10:25 ` Paolo Ornati
2010-09-17 9:02 ` [Intel-gfx] " Simon Farnsworth
2010-09-17 9:02 ` Simon Farnsworth
2010-09-17 16:30 ` [Intel-gfx] " Jesse Barnes
2010-09-17 12:50 ` Vasily Khoruzhick
2010-09-17 12:50 ` Vasily Khoruzhick
2010-09-21 18:26 ` [Intel-gfx] " Paolo Ornati
2010-09-21 22:56 ` Jesse Barnes
2010-09-21 22:56 ` Jesse Barnes
2010-09-22 5:57 ` [Intel-gfx] " Vasily Khoruzhick
2010-09-23 18:21 ` Paolo Ornati
2010-09-25 10:28 ` Paolo Ornati
2010-10-16 15:54 ` [Intel-gfx] Interrupt latency on some 945GM platforms -- and TCP/IP silent data corruption? Paolo Ornati
2010-12-08 16:24 ` [PATCH] drm/i915: Use PM QoS to prevent C-state memory starvation of the GPU Chris Wilson
2010-12-08 16:44 ` Vasily Khoruzhick
2010-12-08 16:54 ` Chris Wilson
2010-12-08 17:00 ` Vasily Khoruzhick
2010-12-08 17:54 ` Andrew Lutomirski
2010-12-08 18:14 ` Vasily Khoruzhick
2010-12-08 18:19 ` Andrew Lutomirski
2010-12-08 18:55 ` Vasily Khoruzhick
[not found] ` <20110115113431.0e42f037@gmail.com>
2011-01-15 11:13 ` Chris Wilson
2010-09-24 18:41 ` Interrupt latency on some 945GM platforms Jesse Barnes
2010-09-14 9:55 ` Andi Kleen
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