linux-kernel.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Andrew Morton <akpm@osdl.org>
To: Olaf Hering <olh@suse.de>
Cc: linux-kernel@vger.kernel.org, linux-ia64@vger.kernel.org, "Luck,
	Tony" <tony.luck@intel.com>
Subject: Re: [PATCH] disable per cpu intr in /proc/stat
Date: Sun, 22 Jan 2006 12:31:50 -0800	[thread overview]
Message-ID: <20060122123150.3a289ac3.akpm@osdl.org> (raw)
In-Reply-To: <20060122202204.GA26295@suse.de>

Olaf Hering <olh@suse.de> wrote:
>
> (No bugzilla or benchmark)
> 
> From: schwab@suse.de
> Subject: Reading /proc/stat is slooow
> 
> Don't compute and display the per-irq sums on ia64 either, too much
> overhead for mostly useless figures.
> 
> --- linux-2.6.14/fs/proc/proc_misc.c.~1~	2005-12-06 18:12:28.840059961 +0100
> +++ linux-2.6.14/fs/proc/proc_misc.c	2005-12-06 18:13:51.211896515 +0100
> @@ -498,7 +498,7 @@ static int show_stat(struct seq_file *p,
>  	}
>  	seq_printf(p, "intr %llu", (unsigned long long)sum);
>  
> -#if !defined(CONFIG_PPC64) && !defined(CONFIG_ALPHA)
> +#if !defined(CONFIG_PPC64) && !defined(CONFIG_ALPHA) && !defined(CONFIG_IA64)
>  	for (i = 0; i < NR_IRQS; i++)
>  		seq_printf(p, " %u", kstat_irqs(i));
>  #endif

We'd need a big ack from the ia64 team for this, please.

  reply	other threads:[~2006-01-22 20:32 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-01-22 20:22 [PATCH] disable per cpu intr in /proc/stat Olaf Hering
2006-01-22 20:31 ` Andrew Morton [this message]
2006-01-22 20:59   ` Tony Luck
2006-01-22 20:38 ` Jesper Juhl
2006-01-23  0:02 Albert Cahalan

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=20060122123150.3a289ac3.akpm@osdl.org \
    --to=akpm@osdl.org \
    --cc=linux-ia64@vger.kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=olh@suse.de \
    --cc=tony.luck@intel.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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).