On Wed, Nov 14, 2018 at 03:45:59AM +0100, Frederic Weisbecker wrote: > This allows us to check if a remote CPU runs vtime accounting > (ie: is nohz_full). We'll need that to reliably support "nice" > accounting on kcpustat. > > Signed-off-by: Frederic Weisbecker <frede...@kernel.org> > Cc: Yauheni Kaliuta <yauheni.kali...@redhat.com> > Cc: Thomas Gleixner <t...@linutronix.de> > Cc: Rik van Riel <r...@redhat.com> > Cc: Peter Zijlstra <pet...@infradead.org> > Cc: Wanpeng Li <wanpen...@tencent.com> > Cc: Ingo Molnar <mi...@kernel.org> > --- > include/linux/vtime.h | 11 +++++++++++ > 1 file changed, 11 insertions(+) > > diff --git a/include/linux/vtime.h b/include/linux/vtime.h > index 82fed7a..a53f6ea 100644 > --- a/include/linux/vtime.h > +++ b/include/linux/vtime.h > @@ -31,6 +31,16 @@ static inline bool vtime_accounting_enabled(void) > return context_tracking_enabled(); > } > > +static inline bool vtime_accounting_enabled_cpu(int cpu) > +{ > + if (vtime_accounting_enabled()) { > + if (context_tracking_enabled_cpu(cpu)) > + return true; > + } > + > + return false; > +}
static inline bool vtime_account_enabled_cpu(int cpu) { return vtime_account_enabled() && context_tracking_enabled_cpu(cpu); } Hmm?