Messages in this thread | | | Date | Tue, 8 Jun 2021 15:56:57 +0200 | From | Peter Zijlstra <> | Subject | Re: [PATCH 2/2] sched: Always print out preempt dynamic state |
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On Tue, Jun 08, 2021 at 02:04:42PM +0200, Frederic Weisbecker wrote: > Previously the preempt dynamic mode wasn't printed out if it wasn't > overriden with the "preempt=" boot option. > > But now that the default preempt dynamic behaviour can be selected at > Kconfig time, we can't assume anymore that preempt=full is the default. > The only way to retrieve that information is to browse the kernel config > file. > > Better print it out unconditionally then. > > Signed-off-by: Frederic Weisbecker <frederic@kernel.org> > --- > kernel/sched/core.c | 21 ++++++++++++++++----- > 1 file changed, 16 insertions(+), 5 deletions(-) > > diff --git a/kernel/sched/core.c b/kernel/sched/core.c > index df47a8275c37..6b883adad8f7 100644 > --- a/kernel/sched/core.c > +++ b/kernel/sched/core.c > @@ -6262,6 +6262,21 @@ int sched_dynamic_mode(const char *str) > > void sched_dynamic_update(int mode) > { > + switch (mode) { > + case preempt_dynamic_none: > + pr_info("Dynamic Preempt: none\n"); > + break; > + case preempt_dynamic_voluntary: > + pr_info("Dynamic Preempt: voluntary\n"); > + break; > + case preempt_dynamic_full: > + pr_info("Dynamic Preempt: full\n"); > + break; > + default: > + pr_info("Dynamic Preempt: incorrect\n"); > + return; > + }
Indent fail; for vim, use: set cino=(0:0
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