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Date: Wed, 25 Oct 2023 08:08:52 -0700
From: Stephen Hemminger <stephen@networkplumber.org>
To: Thomas Monjalon <thomas@monjalon.net>
Cc: Bruce Richardson <bruce.richardson@intel.com>, Tyler Retzlaff
 <roretzla@linux.microsoft.com>, dev@dpdk.org, Morten =?UTF-8?B?QnLDuHJ1?=
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 <konstantin.v.ananyev@yandex.ru>, Andrew Rybchenko
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Subject: Re: [PATCH] eal/unix: allow creating thread with real-time priority
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On Wed, 25 Oct 2023 15:44:25 +0200
Thomas Monjalon <thomas@monjalon.net> wrote:

> > > 
> > > I'll try to pass the test by adding a sleep in the test thread.
> > >   
> > 
> > "sched_yield()" rather than sleep perhaps? Might better convey the
> > intention of the call.  
> 
> Do we have sched_yield on Windows?

Windows has an equivalent but sched_yield() won't work here.
Since the DPDK thread is still higher priority than the kernel thread,
the scheduler will reschedule the DPDK thread. You need to sleep
to let kthread run.