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Make minimum gc sleep time tunnable

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Test: check smart idle maint log of StorageManagerService
Signed-off-by: Daeho Jeong <daehojeong@google.com>
Change-Id: I004bb6752e84d26b041cfdd27848949f6e49d05e
This commit is contained in:
Daeho Jeong
2022-06-23 16:12:52 -07:00
parent a31a605797
commit 6fa155f8ed
1 changed files with 9 additions and 2 deletions
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11
services/core/java/com/android/server/StorageManagerService.java
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@@ -354,6 +354,8 @@ class StorageManagerService extends IStorageManager.Stub
private static final float DEFAULT_LOW_BATTERY_LEVEL = 20F;
// Decide whether charging is required to turn on the feature
private static final boolean DEFAULT_CHARGING_REQUIRED = true;
// Minimum GC interval sleep time in ms
private static final int DEFAULT_MIN_GC_SLEEPTIME = 10000;
private volatile int mLifetimePercentThreshold;
private volatile int mMinSegmentsThreshold;
@@ -361,6 +363,7 @@ class StorageManagerService extends IStorageManager.Stub
private volatile float mSegmentReclaimWeight;
private volatile float mLowBatteryLevel;
private volatile boolean mChargingRequired;
private volatile int mMinGCSleepTime;
private volatile boolean mNeedGC;
private volatile boolean mPassedLifetimeThresh;
@@ -2611,6 +2614,8 @@ class StorageManagerService extends IStorageManager.Stub
"low_battery_level", DEFAULT_LOW_BATTERY_LEVEL);
mChargingRequired = DeviceConfig.getBoolean(DeviceConfig.NAMESPACE_STORAGE_NATIVE_BOOT,
"charging_required", DEFAULT_CHARGING_REQUIRED);
mMinGCSleepTime = DeviceConfig.getInt(DeviceConfig.NAMESPACE_STORAGE_NATIVE_BOOT,
"min_gc_sleeptime", DEFAULT_MIN_GC_SLEEPTIME);
// If we use the smart idle maintenance, we need to turn off GC in the traditional idle
// maintenance to avoid the conflict
@@ -2750,9 +2755,11 @@ class StorageManagerService extends IStorageManager.Stub
", min segment threshold: " + mMinSegmentsThreshold +
", dirty reclaim rate: " + mDirtyReclaimRate +
", segment reclaim weight: " + mSegmentReclaimWeight +
", period: " + sSmartIdleMaintPeriod);
", period(min): " + sSmartIdleMaintPeriod +
", min gc sleep time(ms): " + mMinGCSleepTime);
mVold.setGCUrgentPace(avgWriteAmount, mMinSegmentsThreshold, mDirtyReclaimRate,
mSegmentReclaimWeight, sSmartIdleMaintPeriod);
mSegmentReclaimWeight, sSmartIdleMaintPeriod,
mMinGCSleepTime);
} else {
Slog.i(TAG, "Skipping smart idle maintenance - block based checkpoint in progress");
}