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head/share/man/man4/cpufreq.4
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| .\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | .\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | ||||
| .\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | .\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | ||||
| .\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | .\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | ||||
| .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | ||||
| .\" SUCH DAMAGE. | .\" SUCH DAMAGE. | ||||
| .\" | .\" | ||||
| .\" $FreeBSD$ | .\" $FreeBSD$ | ||||
| .\" | .\" | ||||
| .Dd March 3, 2006 | .Dd January 22, 2020 | ||||
| .Dt CPUFREQ 4 | .Dt CPUFREQ 4 | ||||
| .Os | .Os | ||||
| .Sh NAME | .Sh NAME | ||||
| .Nm cpufreq | .Nm cpufreq | ||||
| .Nd CPU frequency control framework | .Nd CPU frequency control framework | ||||
| .Sh SYNOPSIS | .Sh SYNOPSIS | ||||
| .Cd "device cpufreq" | .Cd "device cpufreq" | ||||
| .Pp | .Pp | ||||
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| .Pa kern.timecounter.hardware | .Pa kern.timecounter.hardware | ||||
| sysctl. | sysctl. | ||||
| Available modes are in | Available modes are in | ||||
| .Pa kern.timecounter.choice | .Pa kern.timecounter.choice | ||||
| sysctl entry. | sysctl entry. | ||||
| .Bl -tag -width indent | .Bl -tag -width indent | ||||
| .It Va dev.cpu.%d.freq | .It Va dev.cpu.%d.freq | ||||
| Current active CPU frequency in MHz. | Current active CPU frequency in MHz. | ||||
| .It Va dev.cpu.%d.freq_driver | |||||
| The specific | |||||
| .Nm | |||||
| driver used by this cpu. | |||||
| .It Va dev.cpu.%d.freq_levels | .It Va dev.cpu.%d.freq_levels | ||||
| Currently available levels for the CPU (frequency/power usage). | Currently available levels for the CPU (frequency/power usage). | ||||
| Values are in units of MHz and milliwatts. | Values are in units of MHz and milliwatts. | ||||
| .It Va dev.DEVICE.%d.freq_settings | .It Va dev.DEVICE.%d.freq_settings | ||||
| Currently available settings for the driver (frequency/power usage). | Currently available settings for the driver (frequency/power usage). | ||||
| Values are in units of MHz and milliwatts. | Values are in units of MHz and milliwatts. | ||||
| This is helpful for understanding which settings are offered by which | This is helpful for understanding which settings are offered by which | ||||
| driver for debugging purposes. | driver for debugging purposes. | ||||
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