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author | root <root@artemis.panaceas.org> | 2015-12-25 04:40:36 +0000 |
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committer | root <root@artemis.panaceas.org> | 2015-12-25 04:40:36 +0000 |
commit | 849369d6c66d3054688672f97d31fceb8e8230fb (patch) | |
tree | 6135abc790ca67dedbe07c39806591e70eda81ce /Documentation/cpuidle/core.txt | |
download | linux-3.0.35-kobo-849369d6c66d3054688672f97d31fceb8e8230fb.tar.gz linux-3.0.35-kobo-849369d6c66d3054688672f97d31fceb8e8230fb.tar.bz2 linux-3.0.35-kobo-849369d6c66d3054688672f97d31fceb8e8230fb.zip |
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Diffstat (limited to 'Documentation/cpuidle/core.txt')
-rw-r--r-- | Documentation/cpuidle/core.txt | 23 |
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diff --git a/Documentation/cpuidle/core.txt b/Documentation/cpuidle/core.txt new file mode 100644 index 00000000..63ecc5dc --- /dev/null +++ b/Documentation/cpuidle/core.txt @@ -0,0 +1,23 @@ + + Supporting multiple CPU idle levels in kernel + + cpuidle + +General Information: + +Various CPUs today support multiple idle levels that are differentiated +by varying exit latencies and power consumption during idle. +cpuidle is a generic in-kernel infrastructure that separates +idle policy (governor) from idle mechanism (driver) and provides a +standardized infrastructure to support independent development of +governors and drivers. + +cpuidle resides under drivers/cpuidle. + +Boot options: +"cpuidle_sysfs_switch" +enables current_governor interface in /sys/devices/system/cpu/cpuidle/, +which can be used to switch governors at run time. This boot option +is meant for developer testing only. In normal usage, kernel picks the +best governor based on governor ratings. +SEE ALSO: sysfs.txt in this directory. |