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d9fcd86c3a
others. In the case where it displayed warnings it would still return succesfully. Modify it so that it returns the number of sysctls that it was not able to set. Make use of this in rc.d to display only *unsuccessfull* attempts to set sysctls.
98 lines
2.1 KiB
Bash
98 lines
2.1 KiB
Bash
#!/bin/sh
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#
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# Modify the power profile based on AC line state. This script is
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# usually called from devd(8).
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#
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# Arguments: 0x00 (AC offline, economy) or 0x01 (AC online, performance)
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#
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# $FreeBSD$
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#
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# PROVIDE: power_profile
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# REQUIRE: FILESYSTEMS syslogd
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# KEYWORD: nojail nostart
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. /etc/rc.subr
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name="power_profile"
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stop_cmd=':'
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LOGGER="logger -t power_profile -p daemon.notice"
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# Set a given sysctl node to a value.
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#
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# Variables:
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# $node: sysctl node to set with the new value
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# $value: HIGH for the highest performance value, LOW for the best
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# economy value, or the value itself.
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# $highest_value: maximum value for this sysctl, when $value is "HIGH"
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# $lowest_value: minimum value for this sysctl, when $value is "LOW"
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#
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sysctl_set ()
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{
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# Check if the node exists
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if [ -z "$(sysctl -n ${node} 2> /dev/null)" ]; then
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return
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fi
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# Get the new value, checking for special types HIGH or LOW
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case ${value} in
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[Hh][Ii][Gg][Hh])
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value=${highest_value}
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;;
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[Ll][Oo][Ww])
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value=${lowest_value}
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;;
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[Nn][Oo][Nn][Ee])
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return
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;;
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*)
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;;
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esac
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# Set the desired value
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if [ -n "${value}" ]; then
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if ! sysctl ${node}=${value} > /dev/null 2>&1; then
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warn "unable to set ${node}=${value}"
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fi
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fi
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}
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if [ $# -ne 1 ]; then
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err 1 "Usage: $0 [0x00|0x01]"
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fi
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load_rc_config $name
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# Find the next state (performance or economy).
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state=$1
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case ${state} in
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0x01 | '')
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${LOGGER} "changed to 'performance'"
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profile="performance"
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;;
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0x00)
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${LOGGER} "changed to 'economy'"
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profile="economy"
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;;
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*)
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echo "Usage: $0 [0x00|0x01]"
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exit 1
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esac
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# Set the various sysctls based on the profile's values.
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node="hw.acpi.cpu.cx_lowest"
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highest_value="C1"
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lowest_value="`(sysctl -n dev.cpu.0.cx_supported | \
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awk '{ print "C" split($0, a) }' -) 2> /dev/null`"
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eval value=\$${profile}_cx_lowest
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sysctl_set
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node="dev.cpu.0.freq"
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highest_value="`(sysctl -n dev.cpu.0.freq_levels | \
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awk '{ split($0, a, "[/ ]"); print a[1] }' -) 2> /dev/null`"
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lowest_value="`(sysctl -n dev.cpu.0.freq_levels | \
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awk '{ split($0, a, "[/ ]"); print a[length(a) - 1] }' -) 2> /dev/null`"
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eval value=\$${profile}_cpu_freq
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sysctl_set
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exit 0
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