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Diffstat (limited to 'tools/power/cpupower/man/cpupower-frequency-info.1')
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diff --git a/tools/power/cpupower/man/cpupower-frequency-info.1 b/tools/power/cpupower/man/cpupower-frequency-info.1 new file mode 100644 index 000000000000..bb60a8d1e45a --- /dev/null +++ b/tools/power/cpupower/man/cpupower-frequency-info.1 @@ -0,0 +1,76 @@ +.TH "cpupower-frequency-info" "1" "0.1" "Mattia Dongili" "" +.SH "NAME" +.LP +cpupower frequency\-info \- Utility to retrieve cpufreq kernel information +.SH "SYNTAX" +.LP +cpupower [ \-c cpulist ] frequency\-info [\fIoptions\fP] +.SH "DESCRIPTION" +.LP +A small tool which prints out cpufreq information helpful to developers and interested users. +.SH "OPTIONS" +.LP +.TP +\fB\-e\fR \fB\-\-debug\fR +Prints out debug information. +.TP +\fB\-f\fR \fB\-\-freq\fR +Get frequency the CPU currently runs at, according to the cpufreq core. +.TP +\fB\-w\fR \fB\-\-hwfreq\fR +Get frequency the CPU currently runs at, by reading it from hardware (only available to root). +.TP +\fB\-l\fR \fB\-\-hwlimits\fR +Determine the minimum and maximum CPU frequency allowed. +.TP +\fB\-d\fR \fB\-\-driver\fR +Determines the used cpufreq kernel driver. +.TP +\fB\-p\fR \fB\-\-policy\fR +Gets the currently used cpufreq policy. +.TP +\fB\-g\fR \fB\-\-governors\fR +Determines available cpufreq governors. +.TP +\fB\-a\fR \fB\-\-related\-cpus\fR +Determines which CPUs run at the same hardware frequency. +.TP +\fB\-a\fR \fB\-\-affected\-cpus\fR +Determines which CPUs need to have their frequency coordinated by software. +.TP +\fB\-s\fR \fB\-\-stats\fR +Shows cpufreq statistics if available. +.TP +\fB\-y\fR \fB\-\-latency\fR +Determines the maximum latency on CPU frequency changes. +.TP +\fB\-o\fR \fB\-\-proc\fR +Prints out information like provided by the /proc/cpufreq interface in 2.4. and early 2.6. kernels. +.TP +\fB\-m\fR \fB\-\-human\fR +human\-readable output for the \-f, \-w, \-s and \-y parameters. +.TP +\fB\-h\fR \fB\-\-help\fR +Prints out the help screen. +.SH "REMARKS" +.LP +By default only values of core zero are displayed. How to display settings of +other cores is described in the cpupower(1) manpage in the \-\-cpu option section. +.LP +You can't specify more than one of the output specific options \-o \-e \-a \-g \-p \-d \-l \-w \-f \-y. +.LP +You also can't specify the \-o option combined with the \-c option. +.SH "FILES" +.nf +\fI/sys/devices/system/cpu/cpu*/cpufreq/\fP +\fI/proc/cpufreq\fP (deprecated) +\fI/proc/sys/cpu/\fP (deprecated) +.fi +.SH "AUTHORS" +.nf +Dominik Brodowski <linux@brodo.de> \- author +Mattia Dongili<malattia@gmail.com> \- first autolibtoolization +.fi +.SH "SEE ALSO" +.LP +cpupower\-frequency\-set(1), cpupower(1) |