On Fri, Feb 03, 2023 at 03:03:38PM +0000, Van Haaren, Harry wrote:
> > -----Original Message-----
> > From: Van Haaren, Harry
> > Sent: Tuesday, January 31, 2023 5:25 PM
> > To: David Marchand <david.march...@redhat.com>
> > Cc: dev@dpdk.org; dpdk...@iol.unh.edu; c...@dpdk.org;
> > honnappa.nagaraha...@arm.com; mattias.ronnblom
> > <mattias.ronnb...@ericsson.com>; tho...@monjalon.net; Morten Brørup
> > <m...@smartsharesystems.com>; Tyler Retzlaff <roret...@linux.microsoft.com>;
> > Aaron Conole <acon...@redhat.com>
> > Subject: RE: [PATCH v3] test/service: fix spurious failures by extending 
> > timeout
> 
> <snip>
> 
> > <snip>
> > > The timeout approach just does not have its place in a functional test.
> > > Either this test is rewritten, or it must go to the performance tests
> > > list so that we stop getting false positives.
> > > Can you work on this?
> > 
> > I'll investigate various approaches on Thursday and reply here with 
> > suggested
> > next steps.
> 
> I've identified 3 checks that fail in CI (from the above log outputs), all 3 
> cases
> Have different dlays: 100 ms delay, 200 ms delay and 1000ms.
> In the CI, the service-core just hasn't been scheduled (yet) and causes the 
> "failure".
> 

For me, the question is - why hasn't the service-core been scheduled? Can
we use sched-yield or some other mechanism to force a wakeup of it?

/Bruce

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