<div dir="ltr"><a href="http://stackoverflow.com/questions/15383259/are-there-any-kernel-tools-available-to-measure-interrupt-latency-with-reasonabl">http://stackoverflow.com/questions/15383259/are-there-any-kernel-tools-available-to-measure-interrupt-latency-with-reasonabl</a><br>
<div><br></div><div>checkout cyclictest.</div></div><div class="gmail_extra"><br><br><div class="gmail_quote">On Sat, Jan 11, 2014 at 3:25 PM, loody <span dir="ltr"><<a href="mailto:miloody@gmail.com" target="_blank">miloody@gmail.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">hi all:<br>
is it possible to determine interrupt latency in kernel with any ftrace or proc?<br>
<span class="HOEnZb"><font color="#888888"><br>
--<br>
Regards,<br>
<br>
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</font></span></blockquote></div><br><br clear="all"><div><br></div>-- <br>Regards,<br>Peter Teoh
</div>