| From | "Rafael J. Wysocki" <> | Date | Tue, 11 Dec 2018 13:01:24 +0100 | Subject | Re: [PATCH v10 02/15] sched/cpufreq: Prepare schedutil for Energy Aware Scheduling |
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On Mon, Dec 3, 2018 at 10:56 AM Quentin Perret <quentin.perret@arm.com> wrote:
[cut]
> #ifdef CONFIG_CPU_FREQ_GOV_SCHEDUTIL > +/** > + * enum schedutil_type - CPU utilization type > + * @FREQUENCY_UTIL: Utilization used to select frequency > + * @ENERGY_UTIL: Utilization used during energy calculation > + * > + * The utilization signals of all scheduling classes (CFS/RT/DL) and IRQ time > + * need to be aggregated differently depending on the usage made of them. This > + * enum is used within schedutil_freq_util() to differentiate the types of > + * utilization expected by the callers, and adjust the aggregation accordingly. > + */ > +enum schedutil_type { > + FREQUENCY_UTIL, > + ENERGY_UTIL, > +};
Why not to use bool instead of this? Do you expect to have more than just two values in the future? If so, what would be the third one?
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