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author | Michael J. Chudobiak <mjc@avtechpulse.com> | 2016-04-25 10:00:44 -0400 |
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committer | Michael J. Chudobiak <mjc@avtechpulse.com> | 2016-04-25 10:00:44 -0400 |
commit | a1df417e74aa6dae7352dc8cbb0ad471af5b7c69 (patch) | |
tree | c34b2311e37ea31db153c90cb8f4570374d05e78 /linux/Documentation/cpuidle/core.txt |
initial Olimex linux tree from Daniel, originally Feb 3, 2016
Diffstat (limited to 'linux/Documentation/cpuidle/core.txt')
-rw-r--r-- | linux/Documentation/cpuidle/core.txt | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/linux/Documentation/cpuidle/core.txt b/linux/Documentation/cpuidle/core.txt new file mode 100644 index 00000000..63ecc5dc --- /dev/null +++ b/linux/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. |