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| author | Nico Golde <nico@ngolde.de> | 2005-06-25 14:58:33 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@ppc970.osdl.org> | 2005-06-25 16:24:55 -0700 |
| commit | 594dd2c98101a5dc279153ec806d554e6b8a1e35 (patch) | |
| tree | 1ec3709029dc5aec4dde6760af553c4a40b31d7a /Documentation/cpu-freq | |
| parent | 70c1a0a49b75854fbc78713bf753b5b4c6f0a421 (diff) | |
| download | lwn-594dd2c98101a5dc279153ec806d554e6b8a1e35.tar.gz lwn-594dd2c98101a5dc279153ec806d554e6b8a1e35.zip | |
[PATCH] cpufreq: governors documentation fixes
I corrected a small error and enhanced the govenor.txt file with the
ondemand daemon because the kernel configs link to the documentation but
ondemand wasn't documentated. Feel free to include the patch in the
attachment.
Cc: Dominik Brodowski <linux@dominikbrodowski.net>
Cc: Dave Jones <davej@codemonkey.org.uk>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'Documentation/cpu-freq')
| -rw-r--r-- | Documentation/cpu-freq/governors.txt | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/Documentation/cpu-freq/governors.txt b/Documentation/cpu-freq/governors.txt index b85481acd0ca..933fae74c337 100644 --- a/Documentation/cpu-freq/governors.txt +++ b/Documentation/cpu-freq/governors.txt @@ -9,6 +9,7 @@ Dominik Brodowski <linux@brodo.de> + some additions and corrections by Nico Golde <nico@ngolde.de> @@ -25,6 +26,7 @@ Contents: 2.1 Performance 2.2 Powersave 2.3 Userspace +2.4 Ondemand 3. The Governor Interface in the CPUfreq Core @@ -86,7 +88,7 @@ highest frequency within the borders of scaling_min_freq and scaling_max_freq. -2.1 Powersave +2.2 Powersave ------------- The CPUfreq governor "powersave" sets the CPU statically to the @@ -94,7 +96,7 @@ lowest frequency within the borders of scaling_min_freq and scaling_max_freq. -2.2 Userspace +2.3 Userspace ------------- The CPUfreq governor "userspace" allows the user, or any userspace @@ -103,6 +105,14 @@ by making a sysfs file "scaling_setspeed" available in the CPU-device directory. +2.4 Ondemand +------------ + +The CPUfreq govenor "ondemand" sets the CPU depending on the +current usage. To do this the CPU must have the capability to +switch the frequency very fast. + + 3. The Governor Interface in the CPUfreq Core ============================================= |