From mboxrd@z Thu Jan  1 00:00:00 1970
From: Andi Kleen <andi@firstfloor.org>
Subject: Re: Does perf randomize the sampling period?
Date: Thu, 10 Sep 2015 08:48:49 -0700
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References: <1769534.mDAXVEGQ5L@milian-kdab2>
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In-Reply-To: <1769534.mDAXVEGQ5L@milian-kdab2> (Milian Wolff's message of
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To: Milian Wolff <milian.wolff@kdab.com>
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Milian Wolff <milian.wolff@kdab.com> writes:

> Hey all,
>
> does perf randomize its sampling intervals/period to prevent pattern
> effects?

It does not.

Usually you can get most of the benefits of randomization by using a
prime period with -c.

-Andi
-- 
ak@linux.intel.com -- Speaking for myself only