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From: Selwyn Tang <selwyn@hectrix.com>
To: David Woodhouse <dwmw2@infradead.org>
Cc: linux-mtd@lists.infradead.org
Subject: Re: high cpu usage using nftl for DOC2000
Date: Fri, 03 Oct 2003 16:22:15 +0800	[thread overview]
Message-ID: <3F7D31B7.7020400@hectrix.com> (raw)
In-Reply-To: <1065160480.16088.0.camel@imladris.demon.co.uk>

Hi Dave,

On 10/03/2003 01:54 PM, David Woodhouse wrote:
> Boot with 'profile=1' and use readprofile to see where it's spending all
> the CPU time. Note your driver must be built-in to the kernel for this.

The followings, among others, are reported by readprofile:

  147 handle_IRQ_event			1.5978
   17 ide_outb				1.4167
 3288 _DoC_Delay			32.8800
 6634 __rdtsc_delay			236.9286

I don't know how to interpret them :-)

Selwyn

  reply	other threads:[~2003-10-03  8:23 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2003-10-02  6:54 high cpu usage using nftl for DOC2000 edward jose
2003-10-03  2:07 ` Selwyn Tang
2003-10-03  5:54   ` David Woodhouse
2003-10-03  8:22     ` Selwyn Tang [this message]
2003-10-03  8:52       ` David Woodhouse
2003-10-08  9:46         ` Selwyn Tang
2003-10-08  9:58           ` David Woodhouse
2003-10-08 10:16             ` Selwyn Tang
2003-10-08 10:22               ` David Woodhouse
2003-10-09  3:54                 ` Selwyn Tang
2003-10-09  6:30                   ` David Woodhouse

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