Android/frameworks_base
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Reduce dropbox entries on lowram devices from 1000 to 300

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Bug: 20890386
Test: Boot and check dumpsys
Change-Id: I6cf747294258bfdc52bb89a9d47bc87860cb5b13
This commit is contained in:
Makoto Onuki
2017-08-22 10:36:12 -07:00
parent dd09e994f5
commit 0e623be229
1 changed files with 12 additions and 3 deletions
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15
services/core/java/com/android/server/DropBoxManagerService.java
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@@ -16,6 +16,7 @@
package com.android.server;
import android.app.ActivityManager;
import android.content.BroadcastReceiver;
import android.content.ContentResolver;
import android.content.Context;
@@ -70,6 +71,7 @@ public final class DropBoxManagerService extends SystemService {
private static final String TAG = "DropBoxManagerService";
private static final int DEFAULT_AGE_SECONDS = 3 * 86400;
private static final int DEFAULT_MAX_FILES = 1000;
private static final int DEFAULT_MAX_FILES_LOWRAM = 300;
private static final int DEFAULT_QUOTA_KB = 5 * 1024;
private static final int DEFAULT_QUOTA_PERCENT = 10;
private static final int DEFAULT_RESERVE_PERCENT = 10;
@@ -106,6 +108,8 @@ public final class DropBoxManagerService extends SystemService {
// Provide a way to perform sendBroadcast asynchronously to avoid deadlocks.
private final Handler mHandler;
private int mMaxFiles = -1; // -1 means uninitialized.
/** Receives events that might indicate a need to clean up files. */
private final BroadcastReceiver mReceiver = new BroadcastReceiver() {
@Override
@@ -394,6 +398,7 @@ public final class DropBoxManagerService extends SystemService {
}
out.append("Drop box contents: ").append(mAllFiles.contents.size()).append(" entries\n");
out.append("Max entries: ").append(mMaxFiles).append("\n");
if (!searchArgs.isEmpty()) {
out.append("Searching for:");
@@ -819,12 +824,16 @@ public final class DropBoxManagerService extends SystemService {
int ageSeconds = Settings.Global.getInt(mContentResolver,
Settings.Global.DROPBOX_AGE_SECONDS, DEFAULT_AGE_SECONDS);
int maxFiles = Settings.Global.getInt(mContentResolver,
Settings.Global.DROPBOX_MAX_FILES, DEFAULT_MAX_FILES);
mMaxFiles = Settings.Global.getInt(mContentResolver,
Settings.Global.DROPBOX_MAX_FILES,
(ActivityManager.isLowRamDeviceStatic()
? DEFAULT_MAX_FILES_LOWRAM : DEFAULT_MAX_FILES));
long cutoffMillis = System.currentTimeMillis() - ageSeconds * 1000;
while (!mAllFiles.contents.isEmpty()) {
EntryFile entry = mAllFiles.contents.first();
if (entry.timestampMillis > cutoffMillis && mAllFiles.contents.size() < maxFiles) break;
if (entry.timestampMillis > cutoffMillis && mAllFiles.contents.size() < mMaxFiles) {
break;
}
FileList tag = mFilesByTag.get(entry.tag);
if (tag != null && tag.contents.remove(entry)) tag.blocks -= entry.blocks;