From: Denys Dmytriyenko <denys@ti.com>
To: Cliff Brake <cliff.brake@gmail.com>
Cc: meta-ti@yoctoproject.org
Subject: Re: io CPU usage high
Date: Thu, 16 Aug 2012 22:21:41 -0400 [thread overview]
Message-ID: <20120817022141.GA14556@denix.org> (raw)
In-Reply-To: <CAOd_LFyjs=9C3Y2rO8R1A7GX0JO_iS+Vq7=k5m2FLFF7jdgivQ@mail.gmail.com>
On Thu, Aug 16, 2012 at 06:11:59PM -0400, Cliff Brake wrote:
> I've noticed with recent Angstrom images running on OMAP class CPUs, it
> seems the IO CPU usage is very high when running from SD cards. When there
> is a lot of disk activity, the system becomes fairly unresponsive, and CPU
> io usage is usually pegged. Is this expected? I don't recall seeing this
> with older kernels such as 2.6.39 which I'm using on an older project.
Cliff,
Do you use kernel-mainline_3.2 from meta-ti that is crafted for beagleboard or
something else?
Denys
next prev parent reply other threads:[~2012-08-17 2:22 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-08-16 22:11 io CPU usage high Cliff Brake
2012-08-17 2:21 ` Denys Dmytriyenko [this message]
2012-08-17 12:29 ` Cliff Brake
2012-08-17 12:31 ` Cliff Brake
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