aboutsummaryrefslogtreecommitdiff
path: root/Documentation
diff options
context:
space:
mode:
authorTodd Poynor <toddpoynor@google.com>2012-04-17 17:39:34 -0700
committerArve Hjønnevåg <arve@android.com>2013-07-01 13:40:43 -0700
commitcdd48fc92e988c0d09aa0228a88fd00500dc0e00 (patch)
tree0031ff6ee09fe7c7d25ebb5d690bdf85b3bffd79 /Documentation
parenta48c5d30b7ffdc6c4a21493c94625a0096e45f45 (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 14da80d0937..1f591de15b5 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
=============================================