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authorTodd Poynor <toddpoynor@google.com>2012-04-17 17:39:34 -0700
committerNitin Garg <nitin.garg@freescale.com>2014-04-21 22:34:51 -0500
commitd2af89b461b001cf5204b114e29d06b261ade331 (patch)
treeee44acdf68ca93729fb4ce72127c35dd6869bf2e /Documentation
parent19b5cec9dd75fa1084fc42ff91bed98db44b4f3c (diff)
cpufreq: interactive: adjust code and documentation to match
Change-Id: If59c668d514a29febe5c35404fd9d01df8548eb1 Signed-off-by: Todd Poynor <toddpoynor@google.com>
Diffstat (limited to 'Documentation')
-rw-r--r--Documentation/cpu-freq/governors.txt16
1 files changed, 13 insertions, 3 deletions
diff --git a/Documentation/cpu-freq/governors.txt b/Documentation/cpu-freq/governors.txt
index 14da80d09370..1f591de15b56 100644
--- a/Documentation/cpu-freq/governors.txt
+++ b/Documentation/cpu-freq/governors.txt
@@ -249,11 +249,21 @@ frequency before ramping down. This is to ensure that the governor has
seen enough historic cpu load data to determine the appropriate
workload. Default is 80000 uS.
-go_maxspeed_load: The CPU load at which to ramp to max speed. Default
-is 85.
+hispeed_freq: An intermediate "hi speed" at which to initially ramp
+when CPU load hits the value specified in go_hispeed_load. If load
+stays high for the amount of time specified in above_hispeed_delay,
+then speed may be bumped higher. Default is maximum speed.
+
+go_hispeed_load: The CPU load at which to ramp to the intermediate "hi
+speed". Default is 85%.
+
+above_hispeed_delay: Once speed is set to hispeed_freq, wait for this
+long before bumping speed higher in response to continued high load.
+Default is 20000 uS.
timer_rate: Sample rate for reevaluating cpu load when the system is
-not idle. Default is 30000 uS.
+not idle. Default is 20000 uS.
+
3. The Governor Interface in the CPUfreq Core
=============================================