[PATCH] cpuinfo:power management: add proc_feedback, acc_power

Corinna Vinschen corinna-cygwin@cygwin.com
Wed Feb 26 11:16:00 GMT 2020


On Feb 25 16:44, Brian Inglis wrote:
> linux 4.6 x86/cpu: Add advanced power management bits
> Bit 11 of CPUID 8000_0007 edx is processor feedback interface.
> Bit 12 of CPUID 8000_0007 edx is accumulated power.
> 
> Print proper names in /proc/cpuinfo
> 
> [missed enabling this 2016 change during previous major cpuinfo update
> as no power related changes were made to the Linux files since then]
> ---
>  winsup/cygwin/fhandler_proc.cc | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/winsup/cygwin/fhandler_proc.cc b/winsup/cygwin/fhandler_proc.cc
> index 030ade68a..605a8443f 100644
> --- a/winsup/cygwin/fhandler_proc.cc
> +++ b/winsup/cygwin/fhandler_proc.cc
> @@ -1397,8 +1397,8 @@ format_proc_cpuinfo (void *, char *&destbuf)
>  /*	  ftcprint (features1,  8, "invariant_tsc"); */ /* TSC invariant */
>  	  ftcprint (features1,  9, "cpb");          /* core performance boost */
>  	  ftcprint (features1, 10, "eff_freq_ro");  /* ro eff freq interface */
> -/*	  ftcprint (features1, 11, "proc_feedback"); */ /* proc feedback if */
> -/*	  ftcprint (features1, 12, "acc_power"); */ /* core power reporting */
> +	  ftcprint (features1, 11, "proc_feedback");/* proc feedback if */
> +	  ftcprint (features1, 12, "acc_power");    /* core power reporting */
>  /*	  ftcprint (features1, 13, "connstby"); */  /* connected standby */
>  /*	  ftcprint (features1, 14, "rapl"); */	    /* running average power limit */
>  	}
> -- 
> 2.21.0

Pushed.


Thanks,
Corinna

-- 
Corinna Vinschen
Cygwin Maintainer
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