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Record important battery usage event into SharedPreference for dump()

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Fix: 268300677
Test: presubmit
Change-Id: If03106c265b984bc2608528bdf45386973e3a14f
This commit is contained in:
ykhung
2023-03-25 14:57:16 +08:00
parent e0c151f401
commit 1f3cf084c8
6 changed files with 118 additions and 3 deletions
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53
src/com/android/settings/fuelgauge/batteryusage/DatabaseUtils.java
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@@ -19,6 +19,7 @@ import android.content.ContentResolver;
import android.content.ContentValues;
import android.content.Context;
import android.content.Intent;
import android.content.SharedPreferences;
import android.content.pm.PackageManager;
import android.database.Cursor;
import android.net.Uri;
@@ -37,12 +38,16 @@ import com.android.settings.fuelgauge.BatteryUtils;
import com.android.settings.fuelgauge.batteryusage.db.BatteryStateDatabase;
import com.android.settingslib.fuelgauge.BatteryStatus;
import java.io.PrintWriter;
import java.text.SimpleDateFormat;
import java.time.Clock;
import java.time.Duration;
import java.util.ArrayList;
import java.util.Calendar;
import java.util.Date;
import java.util.HashMap;
import java.util.List;
import java.util.Locale;
import java.util.Map;
import java.util.function.Supplier;
import java.util.stream.Collectors;
@@ -50,12 +55,15 @@ import java.util.stream.Collectors;
/** A utility class to operate battery usage database. */
public final class DatabaseUtils {
private static final String TAG = "DatabaseUtils";
private static final String SHARED_PREFS_FILE = "battery_usage_shared_prefs";
/** Clear memory threshold for device booting phase. **/
private static final long CLEAR_MEMORY_THRESHOLD_MS = Duration.ofMinutes(5).toMillis();
private static final long CLEAR_MEMORY_DELAYED_MS = Duration.ofSeconds(2).toMillis();
@VisibleForTesting
static final int DATA_RETENTION_INTERVAL_DAY = 9;
static final String KEY_LAST_LOAD_FULL_CHARGE_TIME = "last_load_full_charge_time";
static final String KEY_LAST_UPLOAD_FULL_CHARGE_TIME = "last_upload_full_charge_time";
/** An authority name of the battery content provider. */
public static final String AUTHORITY = "com.android.settings.battery.usage.provider";
@@ -373,10 +381,48 @@ public final class DatabaseUtils {
resolver.notifyChange(BATTERY_CONTENT_URI, /*observer=*/ null);
Log.d(TAG, String.format("sendBatteryEntryData() size=%d in %d/ms",
size, (System.currentTimeMillis() - startTime)));
if (isFullChargeStart) {
recordDateTime(context, KEY_LAST_UPLOAD_FULL_CHARGE_TIME);
}
clearMemory();
return valuesList;
}
/** Dump all required data into {@link PrintWriter}. */
public static void dump(Context context, PrintWriter writer) {
writeString(context, writer, "BatteryLevelChanged",
Intent.ACTION_BATTERY_LEVEL_CHANGED);
writeString(context, writer, "BatteryUnplugging",
BatteryUsageBroadcastReceiver.ACTION_BATTERY_UNPLUGGING);
writeString(context, writer, "ClearBatteryCacheData",
BatteryUsageBroadcastReceiver.ACTION_CLEAR_BATTERY_CACHE_DATA);
writeString(context, writer, "LastLoadFullChargeTime",
KEY_LAST_LOAD_FULL_CHARGE_TIME);
writeString(context, writer, "LastUploadFullChargeTime",
KEY_LAST_UPLOAD_FULL_CHARGE_TIME);
}
static SharedPreferences getSharedPreferences(Context context) {
return context.getApplicationContext().getSharedPreferences(
SHARED_PREFS_FILE, Context.MODE_PRIVATE);
}
static void recordDateTime(Context context, String preferenceKey) {
final SharedPreferences sharedPreferences = getSharedPreferences(context);
if (sharedPreferences != null) {
sharedPreferences.edit().putString(preferenceKey, getCurrentDateTime()).apply();
}
}
private static void writeString(
Context context, PrintWriter writer, String prefix, String key) {
final SharedPreferences sharedPreferences = getSharedPreferences(context);
if (sharedPreferences != null) {
final String content = sharedPreferences.getString(key, "");
writer.println(String.format("\t\t%s: %s", prefix, content));
}
}
private static long loadAppUsageLatestTimestampFromContentProvider(
Context context, final Uri appUsageLatestTimestampUri) {
// We have already make sure the context here is with profile parent's user identity. Don't
@@ -473,4 +519,9 @@ public final class DatabaseUtils {
Log.w(TAG, "invoke clearMemory()");
}, CLEAR_MEMORY_DELAYED_MS);
}
private static String getCurrentDateTime() {
return new SimpleDateFormat("MMM dd,yyyy HH:mm:ss", Locale.getDefault())
.format(new Date(System.currentTimeMillis()));
}
}