[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] [PATCH] xenpm: Add option to report average CPU frequency
On Tue, 2016-01-19 at 10:50 +0000, Malcolm Crossley wrote: > The average is calculated over the period of time from the last > xenpm report of the average CPU frequency. > > Reporting the average CPU frequency helps confirm the level of turbo > boost being achieved per CPU. > > Signed-off-by: Malcolm Crossley <malcolm.crossley@xxxxxxxxxx> > --- > Âtools/misc/xenpm.c | 42 +++++++++++++++++++++++++++++++++++++++++- > Â1 file changed, 41 insertions(+), 1 deletion(-) > > diff --git a/tools/misc/xenpm.c b/tools/misc/xenpm.c > index 08f2242..40cdd55 100644 > --- a/tools/misc/xenpm.c > +++ b/tools/misc/xenpm.c > @@ -45,6 +45,8 @@ void show_help(void) > ÂÂÂÂÂÂÂÂÂÂÂÂÂ"xenpm command list:\n\n" > ÂÂÂÂÂÂÂÂÂÂÂÂÂ" get-cpuidle-statesÂÂÂÂ[cpuid]ÂÂÂÂÂÂÂlist cpu idle info of > CPU <cpuid> or all\n" > ÂÂÂÂÂÂÂÂÂÂÂÂÂ" get-cpufreq-statesÂÂÂÂ[cpuid]ÂÂÂÂÂÂÂlist cpu freq info of > CPU <cpuid> or all\n" > +ÂÂÂÂÂÂÂÂÂÂÂÂ" get-cpufreq-averageÂÂÂ[cpuid]ÂÂÂÂÂÂÂaverage cpu frequency > since last invocation\n" > +ÂÂÂÂÂÂÂÂÂÂÂÂ"ÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂfor CPU <cpuid> or > all\n" > ÂÂÂÂÂÂÂÂÂÂÂÂÂ" get-cpufreq-paraÂÂÂÂÂÂ[cpuid]ÂÂÂÂÂÂÂlist cpu freq > parameter of CPU <cpuid> or all\n" > ÂÂÂÂÂÂÂÂÂÂÂÂÂ" set-scaling-maxfreqÂÂÂ[cpuid] <HZ>ÂÂset max cpu frequency > <HZ> on CPU <cpuid>\n" > ÂÂÂÂÂÂÂÂÂÂÂÂÂ"ÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂor all CPUs\n" > @@ -296,6 +298,9 @@ static int get_pxstat_by_cpuid(xc_interface > *xc_handle, int cpuid, struct xc_px_ > ÂÂÂÂÂreturn ret; > Â} > Â > + > +static int *avgfreq; Do we need the global array of them all when each element is used exactly once entirely within show_cpufreq_by_cpuid in this mode? _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx http://lists.xen.org/xen-devel
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