Hi Andev, Thanks for reply. I got the definition too. What I really want to know is what this variable nr_iowait stands for? Is it counting pending input/output on a cpu?
-- - Meraj On Tue, Jul 15, 2014 at 8:07 AM, Andev <[email protected]> wrote: > On Mon, Jul 14, 2014 at 10:10 AM, Mohammad Merajul Islam Molla > <[email protected]> wrote: >> Hello, >> >> I was looking into the code of cpuidle menu governor and it uses a >> function nr_iowait_cpu(int cpu). >> I could not find out what this function does. >> >> Can someone please explain what nr_iowait_cpu(int cpu) and variant >> nr_iowait() do? >> >> -- > > In all its glory: > > unsigned long nr_iowait_cpu(int cpu) > { > struct rq *this = cpu_rq(cpu); > return atomic_read(&this->nr_iowait); > } > > >> Thanks, >> -Meraj >> >> _______________________________________________ >> Kernelnewbies mailing list >> [email protected] >> http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies > > > > -- > Andev _______________________________________________ Kernelnewbies mailing list [email protected] http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies
