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Make target dirty segment ratio tunable

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Test: check smart idle maint log of StorageManagerService
Signed-off-by: Daeho Jeong <daehojeong@google.com>
Change-Id: I97503795473a9977740e717bf7b0ef6283c65a53
This commit is contained in:
Daeho Jeong
2022-06-24 15:08:08 -07:00
parent 6fa155f8ed
commit b2c7eede16
1 changed files with 8 additions and 2 deletions
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10
services/core/java/com/android/server/StorageManagerService.java
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@@ -356,6 +356,8 @@ class StorageManagerService extends IStorageManager.Stub
private static final boolean DEFAULT_CHARGING_REQUIRED = true;
// Minimum GC interval sleep time in ms
private static final int DEFAULT_MIN_GC_SLEEPTIME = 10000;
// Target dirty segment ratio to aim to
private static final int DEFAULT_TARGET_DIRTY_RATIO = 80;
private volatile int mLifetimePercentThreshold;
private volatile int mMinSegmentsThreshold;
@@ -364,6 +366,7 @@ class StorageManagerService extends IStorageManager.Stub
private volatile float mLowBatteryLevel;
private volatile boolean mChargingRequired;
private volatile int mMinGCSleepTime;
private volatile int mTargetDirtyRatio;
private volatile boolean mNeedGC;
private volatile boolean mPassedLifetimeThresh;
@@ -2616,6 +2619,8 @@ class StorageManagerService extends IStorageManager.Stub
"charging_required", DEFAULT_CHARGING_REQUIRED);
mMinGCSleepTime = DeviceConfig.getInt(DeviceConfig.NAMESPACE_STORAGE_NATIVE_BOOT,
"min_gc_sleeptime", DEFAULT_MIN_GC_SLEEPTIME);
mTargetDirtyRatio = DeviceConfig.getInt(DeviceConfig.NAMESPACE_STORAGE_NATIVE_BOOT,
"target_dirty_ratio", DEFAULT_TARGET_DIRTY_RATIO);
// If we use the smart idle maintenance, we need to turn off GC in the traditional idle
// maintenance to avoid the conflict
@@ -2756,10 +2761,11 @@ class StorageManagerService extends IStorageManager.Stub
", dirty reclaim rate: " + mDirtyReclaimRate +
", segment reclaim weight: " + mSegmentReclaimWeight +
", period(min): " + sSmartIdleMaintPeriod +
", min gc sleep time(ms): " + mMinGCSleepTime);
", min gc sleep time(ms): " + mMinGCSleepTime +
", target dirty ratio: " + mTargetDirtyRatio);
mVold.setGCUrgentPace(avgWriteAmount, mMinSegmentsThreshold, mDirtyReclaimRate,
mSegmentReclaimWeight, sSmartIdleMaintPeriod,
mMinGCSleepTime);
mMinGCSleepTime, mTargetDirtyRatio);
} else {
Slog.i(TAG, "Skipping smart idle maintenance - block based checkpoint in progress");
}