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head/usr.sbin/powerd/powerd.8
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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 July 4, 2013 | .Dd January 6, 2019 | ||||
| .Dt POWERD 8 | .Dt POWERD 8 | ||||
| .Os | .Os | ||||
| .Sh NAME | .Sh NAME | ||||
| .Nm powerd | .Nm powerd | ||||
| .Nd "system power control utility" | .Nd "system power control utility" | ||||
| .Sh SYNOPSIS | .Sh SYNOPSIS | ||||
| .Nm | .Nm | ||||
| .Op Fl a Ar mode | .Op Fl a Ar mode | ||||
| .Op Fl b Ar mode | .Op Fl b Ar mode | ||||
| .Op Fl i Ar percent | .Op Fl i Ar percent | ||||
| .Op Fl m Ar freq | .Op Fl m Ar freq | ||||
| .Op Fl M Ar freq | .Op Fl M Ar freq | ||||
| .Op Fl n Ar mode | .Op Fl n Ar mode | ||||
| .Op Fl p Ar ival | .Op Fl p Ar ival | ||||
| .Op Fl P Ar pidfile | .Op Fl P Ar pidfile | ||||
| .Op Fl r Ar percent | .Op Fl r Ar percent | ||||
| .Op Fl s Ar source | |||||
| .Op Fl v | .Op Fl v | ||||
| .Sh DESCRIPTION | .Sh DESCRIPTION | ||||
| The | The | ||||
| .Nm | .Nm | ||||
| utility monitors the system state and sets various power control options | utility monitors the system state and sets various power control options | ||||
| accordingly. | accordingly. | ||||
| It offers power-saving modes that can be | It offers power-saving modes that can be | ||||
| individually selected for operation on AC power or batteries. | individually selected for operation on AC power or batteries. | ||||
| ▲ Show 20 Lines • Show All 60 Lines • ▼ Show 20 Lines | |||||
| .It Fl P Ar pidfile | .It Fl P Ar pidfile | ||||
| Specifies an alternative file in which the process ID should be stored. | Specifies an alternative file in which the process ID should be stored. | ||||
| The default is | The default is | ||||
| .Pa /var/run/powerd.pid . | .Pa /var/run/powerd.pid . | ||||
| .It Fl r Ar percent | .It Fl r Ar percent | ||||
| Specifies the CPU load percent level where adaptive | Specifies the CPU load percent level where adaptive | ||||
| mode should consider the CPU running and increase performance. | mode should consider the CPU running and increase performance. | ||||
| The default is 75% or higher. | The default is 75% or higher. | ||||
| .It Fl s Ar source | |||||
| Enforces method for AC line state refresh; by default, it is chosen | |||||
| automatically. | |||||
| The set of valid methods is | |||||
| .Cm sysctl , devd | |||||
| and | |||||
| .Cm apm | |||||
| (i386 only). | |||||
| .It Fl v | .It Fl v | ||||
| Verbose mode. | Verbose mode. | ||||
| Messages about power changes will be printed to stdout and | Messages about power changes will be printed to stdout and | ||||
| .Nm | .Nm | ||||
| will operate in the foreground. | will operate in the foreground. | ||||
| .El | .El | ||||
| .Sh SEE ALSO | .Sh SEE ALSO | ||||
| .Xr acpi 4 , | .Xr acpi 4 , | ||||
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