Introduce target dirty segment ratio tunable parameter
We introduce a new parameter of target dirty segment ratio,
which can be used to set a target dirty / (dirty + free) segments
ratio. For example, if we set this as 80%, GC sleep time will be
calculated to achieve this ratio in a GC period.
Bug: 241601436
Test: check smart idle maint log of StorageManagerService
Signed-off-by: Daeho Jeong <daehojeong@google.com>
Change-Id: I73f2bcf4bdb810164c174bd0d2518b15d577d5d5
Merged-In: I73f2bcf4bdb810164c174bd0d2518b15d577d5d5
diff --git a/binder/android/os/IVold.aidl b/binder/android/os/IVold.aidl
index 24c6ff5..ea75864 100644
--- a/binder/android/os/IVold.aidl
+++ b/binder/android/os/IVold.aidl
@@ -69,7 +69,8 @@
int getStorageLifeTime();
void setGCUrgentPace(int neededSegments, int minSegmentThreshold,
float dirtyReclaimRate, float reclaimWeight,
- int gcPeriod, int minGCSleepTime);
+ int gcPeriod, int minGCSleepTime,
+ int targetDirtyRatio);
void refreshLatestWrite();
int getWriteAmount();