<br><br><div class="gmail_quote">On Fri, Aug 17, 2012 at 8:29 AM, Cliff Brake <span dir="ltr"><<a href="mailto:cliff.brake@gmail.com" target="_blank">cliff.brake@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div class="gmail_quote"><div><div class="h5">On Thu, Aug 16, 2012 at 10:21 PM, Denys Dmytriyenko <span dir="ltr"><<a href="mailto:denys@ti.com" target="_blank">denys@ti.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div>On Thu, Aug 16, 2012 at 06:11:59PM -0400, Cliff Brake wrote:<br>
> I've noticed with recent Angstrom images running on OMAP class CPUs, it<br>
> seems the IO CPU usage is very high when running from SD cards. When there<br>
> is a lot of disk activity, the system becomes fairly unresponsive, and CPU<br>
> io usage is usually pegged. Is this expected? I don't recall seeing this<br>
> with older kernels such as 2.6.39 which I'm using on an older project.<br>
<br>
</div>Cliff,<br>
<br>
Do you use kernel-mainline_3.2 from meta-ti that is crafted for beagleboard or<br>
something else?</blockquote><div><br></div></div></div><div>Whatever comes from the Angstrom/meta-ti master branch these days:</div><div><br></div></div></blockquote><div><br></div><div>this is the version: linux-mainline-3.2.18-r121b</div>
<div> </div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div class="gmail_quote"><div></div><div><div>root@beagleboard:~# cat /proc/version </div><div>Linux version 3.2.18 (<a href="mailto:cbrake@happy.bec-systems.com" target="_blank">cbrake@happy.bec-systems.com</a>) (gcc version 4.7.2 20120706 (prerelease) (GCC) ) #1 Thu Aug 16 08:50:30 EDT 2012</div>
</div><div><br></div><div>I'll try to do more systematic testing ...</div><div><br></div><div>Is there another kernel I should try?</div><span class="HOEnZb"><font color="#888888"><div><br></div><div>Cliff</div><div>
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