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From: Shaun Ruffell <sruffell@digium.com>
To: Sadasivan Shaiju <sshaiju@mvista.com>
Cc: linux-kernel@vger.kernel.org, venki@google.com, a.p.zijlstra@chello.nl
Subject: Re: Incorrect accounting of irq into the running task
Date: Sat, 5 Jan 2013 11:21:16 -0600	[thread overview]
Message-ID: <20130105172116.GA65150@digium.com> (raw)
In-Reply-To: <aba006370d1e788a3ff0612afca6d3e7@mail.gmail.com>

On Fri, Jan 04, 2013 at 10:22:12AM -0800, Sadasivan Shaiju wrote:
> Hi  Venkatesh,
> 
> I have applied the following patches for the incorrect accounting
> of irq into the running task .
> 
> 
> [PATCH] x86: Add IRQ_TIME_ACCOUNTING
> [e82b8e4ea4f3dffe6e7939f90e78da675fcc450e]
> [PATCH] sched: Add IRQ_TIME_ACCOUNTING, finer accounting of irq time
> [b52bfee445d315549d41eacf2fa7c156e7d153d5]
> 
> [PATCH] sched: Do not account irq time to current task
> [305e6835e05513406fa12820e40e4a8ecb63743c]
> [PATCH] sched: Export ns irqtimes through /proc/stat
> [abb74cefa9c682fb38ba86c17ca3c86fed6cc464]
> 
> 
> 
> But still the stime and utime of the process in /proc/pid/stat is
> high. I think the above patches does not update The stime and
> utime values in /proc/pid/stat.
> 
> 
> Or am I missing anything?

Just checking that you do have CONFIG_IRQ_TIME_ACCOUNTING=y in your
kernel config?

Cheers,
Shaun

  reply	other threads:[~2013-01-05 17:21 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-01-04 18:22 Incorrect accounting of irq into the running task Sadasivan Shaiju
2013-01-05 17:21 ` Shaun Ruffell [this message]
2013-01-06  1:50   ` Sadasivan Shaiju

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