On 06/11/2021 02:33, Ricardo Neri wrote:
> From: Srinivas Pandruvada <srinivas.pandruvada@xxxxxxxxxxxxxxx>
>
> Add a new netlink event to notify change in CPU capabilities in terms of
> performance and efficiency.
>
> Firmware may change CPU capabilities as a result of thermal events in the
> system or to account for changes in the TDP (thermal design power) level.
>
> This notification type will allow user space to avoid running workloads
> on certain CPUs or proactively adjust power limits to avoid future events.
>
[ ... ]
> + [THERMAL_GENL_ATTR_CPU_CAPABILITY_ID] = { .type = NLA_U32 },
> + [THERMAL_GENL_ATTR_CPU_CAPABILITY_PERF] = { .type = NLA_U32 },
> + [THERMAL_GENL_ATTR_CPU_CAPABILITY_EFF] = { .type = NLA_U32 },
> };
AFAIU, 0 <= perf < 256 and 0 <= eff < 256, right?
Is the following true?
0 <= perf + eff < 256
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