Messages in this thread | | | Date | Thu, 1 Aug 2019 13:49:07 -0400 | From | Johannes Weiner <> | Subject | Re: [PATCH 1/5] sched/pci: Reduce psimon FIFO priority |
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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>
Subject should be s/pci/psi/
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