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Message-ID: <20071202141825.063356a2@laptopd505.fenrus.org> Date: Sun, 2 Dec 2007 14:18:25 -0800 From: Arjan van de Ven <arjan@...radead.org> To: Andi Kleen <andi@...stfloor.org> Cc: Ingo Molnar <mingo@...e.hu>, Andi Kleen <andi@...stfloor.org>, linux-kernel@...r.kernel.org, Andrew Morton <akpm@...ux-foundation.org>, Thomas Gleixner <tglx@...utronix.de> Subject: Re: [feature] automatically detect hung TASK_UNINTERRUPTIBLE tasks On Sun, 2 Dec 2007 22:19:25 +0100 Andi Kleen <andi@...stfloor.org> wrote: > > > > Until now users had little direct recourse to get such problems > > fixed. (we had sysrq-t, but that included no real metric of how > > long a task was > > Actually task delay accounting can measure this now. iirc someone > had a latencytop based on it already. I have written a latencytop tool, but it's not based quite on the task delay accounting (it doesn't provide the right information to make such a tool). I've not released the tool mostly because I'm not quite happy about the kernel side yet... but if there's real interest I'll fix it up soon and release it. -- If you want to reach me at my work email, use arjan@...ux.intel.com For development, discussion and tips for power savings, visit http://www.lesswatts.org -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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