<div dir="ltr">We do use realtime priorities on the scheduler, however, so some threads can be elevated to the least possible ignore time from the kernel.<div><br></div></div><div class="gmail_extra"><br><div class="gmail_quote">On Mon, May 8, 2017 at 2:53 PM, Piotr Gregor <span dir="ltr"><<a href="mailto:piotrek.gregor@gmail.com" target="_blank">piotrek.gregor@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 dir="ltr"><div class="gmail_extra">Hi Karl,</div><div class="gmail_extra"><br></div><div class="gmail_extra">RT kernels are not about speed, but about guaranteed biggest latency, i.e. bounded latency in the kernel.</div><div class="gmail_extra">That highest latency gets significantly improved if RT is set up correctly (which is not so straightforward).</div><div class="gmail_extra">In case of VoIP the most latency in playing audio stream comes from network congestion, dropouts, etc.,</div><div class="gmail_extra">therefore it is external to the kernel and most likely there is not that many degrees of freedom in this space</div><div class="gmail_extra">which real time system could improve.</div><span class="HOEnZb"><font color="#888888"><div class="gmail_extra"><br></div><div class="gmail_extra">Piotr</div></font></span></div>
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