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Date: Tue, 28 Jul 2015 12:39:30 +0530 From: Viresh Kumar <viresh.kumar@...aro.org> To: Pan Xinhui <xinhuix.pan@...el.com> Cc: "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>, "linux-pm@...r.kernel.org" <linux-pm@...r.kernel.org>, "rjw@...ysocki.net" <rjw@...ysocki.net>, "mnipxh@....com" <mnipxh@....com>, "yanmin_zhang@...ux.intel.com" <yanmin_zhang@...ux.intel.com> Subject: Re: [PATCH V2] cpufreq: Add scaling frequency range support On 28-07-15, 15:02, Pan Xinhui wrote: > From: Pan Xinhui <xinhuix.pan@...el.com> > > Userspace at most time do cpufreq tests very much inconveniently. > Currently they have to echo min and max cpu freq separately like below: > echo 480000 > /sys/devices/system/cpu/cpu0/cpufreq/scaling_min_freq > echo 2240000 > /sys/devices/system/cpu/cpu0/cpufreq/scaling_max_freq > > Add scaling_freq_range cpufreq attr to support userspace's demand. > Therefore it's easier for testers to write readable scripts like below: > echo 480000-2240000 > > /sys/devices/system/cpu/cpu0/cpufreq/scaling_freq_range > > Signed-off-by: Pan Xinhui <xinhuix.pan@...el.com> > --- > Change from V1: > update cpu-freq documentation. > --- > Documentation/cpu-freq/user-guide.txt | 7 +++++++ > drivers/cpufreq/cpufreq.c | 31 +++++++++++++++++++++++++++++++ > 2 files changed, 38 insertions(+) Acked-by: Viresh Kumar <viresh.kumar@...aro.org> -- viresh -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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