Messages in this thread | | | Date | Thu, 1 Aug 2019 23:02:03 +0200 | From | Peter Zijlstra <> | Subject | Re: [PATCH 1/5] sched/pci: Reduce psimon FIFO priority |
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On Thu, Aug 01, 2019 at 01:49:07PM -0400, Johannes Weiner wrote: > On Thu, Aug 01, 2019 at 01:13:49PM +0200, Peter Zijlstra wrote: > > PSI defaults to a FIFO-99 thread, reduce this to FIFO-1. > > > > FIFO-99 is the very highest priority available to SCHED_FIFO and > > it not a suitable default; it would indicate the psi work is the > > most important work on the machine. > > > > Since Real-Time tasks will have pre-allocated memory and locked it in > > place, Real-Time tasks do not care about PSI. All it needs is to be > > above OTHER. > > > > Cc: Suren Baghdasaryan <surenb@google.com> > > Cc: Johannes Weiner <hannes@cmpxchg.org> > > Cc: Thomas Gleixner <tglx@linutronix.de> > > Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> > > Acked-by: Johannes Weiner <hannes@cmpxchg.org>
Thanks!
> Subject should be s/pci/psi/
Yeah, already fixed that.. obviously one sees such typoes only after sending ;-)
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