On Fri, Sep 06, 2019 at 05:39:54AM -0400, Prarit Bhargava wrote: > On 9/5/19 7:37 PM, Srinivas Pandruvada wrote: > > Read the bucket and core count relationship via MSR and display > > when displaying turbo ratio limits.
> > + ret = isst_send_msr_command(cpu, 0x1ae, 0, buckets_info); > > ^^^ you can get rid of the magic number 0x1ae by doing (sorry for the > cut-and-paste) > > diff --git a/tools/power/x86/intel-speed-select/Makefile > b/tools/power/x86/intel > index 12c6939dca2a..087d802ad844 100644 > --- a/tools/power/x86/intel-speed-select/Makefile > +++ b/tools/power/x86/intel-speed-select/Makefile > @@ -15,6 +15,8 @@ endif > MAKEFLAGS += -r > > override CFLAGS += -O2 -Wall -g -D_GNU_SOURCE -I$(OUTPUT)include > +override CFLAGS += -I../../../include > +override CFLAGS += > -DMSRHEADER='"../../../../arch/x86/include/asm/msr-index.h"' I guess it can be done in more neat way. > As I've been looking at this code I have been wondering why didn't you just > use > the standard /dev/cpu/X/msr interface that other x86 power utilities > (turbostat, > x86_energy_perf_policy) use? Implementing msr_read() is trivial (warning > untested and uncompiled code) Actually good point! -- With Best Regards, Andy Shevchenko
