All of lore.kernel.org
 help / color / mirror / Atom feed
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

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20130105172116.GA65150@digium.com \
    --to=sruffell@digium.com \
    --cc=a.p.zijlstra@chello.nl \
    --cc=linux-kernel@vger.kernel.org \
    --cc=sshaiju@mvista.com \
    --cc=venki@google.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.