Re: [PATCH 12/13] xenpm: Add set-cpufreq-hwp subcommand

2021-05-27 Thread Jan Beulich
On 03.05.2021 21:28, Jason Andryuk wrote: > @@ -1309,6 +1328,226 @@ void disable_turbo_mode(int argc, char *argv[]) > errno, strerror(errno)); > } > > +/* > + * Parse activity_window:NNN{us,ms,s} and validate range. > + * > + * Activity window is a 7bit mantissa (0-127) with a 3

[PATCH 12/13] xenpm: Add set-cpufreq-hwp subcommand

2021-05-03 Thread Jason Andryuk
set-cpufreq-hwp allows setting the Hardware P-State (HWP) parameters. It can be run on all or just a single cpu. There are presets of balance, powersave & performance. Those can be further tweaked by param:val arguments as explained in the usage description. Parameter names are just checked to