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Merge "Add low power stats to batteryhistory" into nyc-dev am: 5149abe

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am: b0ec5e2

* commit 'b0ec5e2114ad19475bbdfa60c1a3af23a1f91db5':
  Add low power stats to batteryhistory

Change-Id: Ibe08ad6f499eede388ca543b8e40eff67ad9bcd2
This commit is contained in:
Badhri Jagan Sridharan
2016-04-27 23:57:17 +00:00
committed by android-build-merger
parent 1732ce493f b0ec5e2114
commit 90edbf9a2c
5 changed files with 182 additions and 7 deletions
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9
core/java/android/os/BatteryStats.java
View File

@@ -1070,6 +1070,9 @@ public abstract class BatteryStats implements Parcelable {
public int statSoftIrqTime;
public int statIdlTime;
// Platform-level low power state stats
public String statPlatformIdleState;
public HistoryStepDetails() {
clear();
}
@@ -1099,6 +1102,7 @@ public abstract class BatteryStats implements Parcelable {
out.writeInt(statIrqTime);
out.writeInt(statSoftIrqTime);
out.writeInt(statIdlTime);
out.writeString(statPlatformIdleState);
}
public void readFromParcel(Parcel in) {
@@ -1119,6 +1123,7 @@ public abstract class BatteryStats implements Parcelable {
statIrqTime = in.readInt();
statSoftIrqTime = in.readInt();
statIdlTime = in.readInt();
statPlatformIdleState = in.readString();
}
}
@@ -4788,6 +4793,8 @@ public abstract class BatteryStats implements Parcelable {
pw.print(sb);
pw.print(")");
}
pw.print(", PlatformIdleStat ");
pw.print(rec.stepDetails.statPlatformIdleState);
pw.println();
} else {
pw.print(BATTERY_STATS_CHECKIN_VERSION); pw.print(',');
@@ -4821,6 +4828,8 @@ public abstract class BatteryStats implements Parcelable {
pw.print(rec.stepDetails.statSoftIrqTime);
pw.print(',');
pw.print(rec.stepDetails.statIdlTime);
pw.print(',');
pw.print(rec.stepDetails.statPlatformIdleState);
pw.println();
}
}

27
core/java/com/android/internal/os/BatteryStatsImpl.java
View File

@@ -108,7 +108,7 @@ public class BatteryStatsImpl extends BatteryStats {
private static final int MAGIC = 0xBA757475; // 'BATSTATS'
// Current on-disk Parcel version
private static final int VERSION = 142 + (USE_OLD_HISTORY ? 1000 : 0);
private static final int VERSION = 143 + (USE_OLD_HISTORY ? 1000 : 0);
// Maximum number of items we will record in the history.
private static final int MAX_HISTORY_ITEMS = 2000;
@@ -150,6 +150,13 @@ public class BatteryStatsImpl extends BatteryStats {
public void batterySendBroadcast(Intent intent);
}
public interface PlatformIdleStateCallback {
public String getPlatformLowPowerStats();
}
private final PlatformIdleStateCallback mPlatformIdleStateCallback;
final class MyHandler extends Handler {
public MyHandler(Looper looper) {
super(looper, null, true);
@@ -569,6 +576,7 @@ public class BatteryStatsImpl extends BatteryStats {
mDailyFile = null;
mHandler = null;
mExternalSync = null;
mPlatformIdleStateCallback = null;
clearHistoryLocked();
}
@@ -2220,6 +2228,12 @@ public class BatteryStatsImpl extends BatteryStats {
+ cur.eventTag.string);
}
if (computeStepDetails) {
if (mPlatformIdleStateCallback != null) {
mCurHistoryStepDetails.statPlatformIdleState =
mPlatformIdleStateCallback.getPlatformLowPowerStats();
if (DEBUG) Slog.i(TAG, "WRITE PlatformIdleState:" +
mCurHistoryStepDetails.statPlatformIdleState);
}
computeHistoryStepDetails(mCurHistoryStepDetails, mLastHistoryStepDetails);
if (includeStepDetails != 0) {
mCurHistoryStepDetails.writeToParcel(dest);
@@ -7372,11 +7386,16 @@ public class BatteryStatsImpl extends BatteryStats {
}
public BatteryStatsImpl(File systemDir, Handler handler, ExternalStatsSync externalSync) {
this(new SystemClocks(), systemDir, handler, externalSync);
this(new SystemClocks(), systemDir, handler, externalSync, null);
}
public BatteryStatsImpl(File systemDir, Handler handler, ExternalStatsSync externalSync,
PlatformIdleStateCallback cb) {
this(new SystemClocks(), systemDir, handler, externalSync, cb);
}
public BatteryStatsImpl(Clocks clocks, File systemDir, Handler handler,
ExternalStatsSync externalSync) {
ExternalStatsSync externalSync, PlatformIdleStateCallback cb) {
init(clocks);
if (systemDir != null) {
@@ -7462,6 +7481,7 @@ public class BatteryStatsImpl extends BatteryStats {
initDischarge();
clearHistoryLocked();
updateDailyDeadlineLocked();
mPlatformIdleStateCallback = cb;
}
public BatteryStatsImpl(Parcel p) {
@@ -7477,6 +7497,7 @@ public class BatteryStatsImpl extends BatteryStats {
mExternalSync = null;
clearHistoryLocked();
readFromParcel(p);
mPlatformIdleStateCallback = null;
}
public void setPowerProfile(PowerProfile profile) {

34
services/core/java/com/android/server/am/BatteryStatsService.java
View File

@@ -79,7 +79,8 @@ import java.util.concurrent.TimeoutException;
* battery life.
*/
public final class BatteryStatsService extends IBatteryStats.Stub
implements PowerManagerInternal.LowPowerModeListener {
implements PowerManagerInternal.LowPowerModeListener,
BatteryStatsImpl.PlatformIdleStateCallback {
static final String TAG = "BatteryStatsService";
/**
@@ -173,6 +174,33 @@ public final class BatteryStatsService extends IBatteryStats.Stub
}
}
private native int getPlatformLowPowerStats(ByteBuffer outBuffer);
private CharsetDecoder mDecoderStat = StandardCharsets.UTF_8
.newDecoder()
.onMalformedInput(CodingErrorAction.REPLACE)
.onUnmappableCharacter(CodingErrorAction.REPLACE)
.replaceWith("?");
private ByteBuffer mUtf8BufferStat = ByteBuffer.allocateDirect(MAX_LOW_POWER_STATS_SIZE);
private CharBuffer mUtf16BufferStat = CharBuffer.allocate(MAX_LOW_POWER_STATS_SIZE);
private static final int MAX_LOW_POWER_STATS_SIZE = 512;
@Override
public String getPlatformLowPowerStats() {
mUtf8BufferStat.clear();
mUtf16BufferStat.clear();
mDecoderStat.reset();
int bytesWritten = getPlatformLowPowerStats(mUtf8BufferStat);
if (bytesWritten < 0) {
return null;
} else if (bytesWritten == 0) {
return "Empty";
}
mUtf8BufferStat.limit(bytesWritten);
mDecoderStat.decode(mUtf8BufferStat, mUtf16BufferStat, true);
mUtf16BufferStat.flip();
return mUtf16BufferStat.toString();
}
BatteryStatsService(File systemDir, Handler handler) {
// Our handler here will be accessing the disk, use a different thread than
// what the ActivityManagerService gave us (no I/O on that one!).
@@ -182,9 +210,9 @@ public final class BatteryStatsService extends IBatteryStats.Stub
mHandler = new BatteryStatsHandler(thread.getLooper());
// BatteryStatsImpl expects the ActivityManagerService handler, so pass that one through.
mStats = new BatteryStatsImpl(systemDir, handler, mHandler);
mStats = new BatteryStatsImpl(systemDir, handler, mHandler, this);
}
public void publish(Context context) {
mContext = context;
mStats.setRadioScanningTimeout(mContext.getResources().getInteger(

117
services/core/jni/com_android_server_am_BatteryStatsService.cpp
View File

@@ -27,8 +27,10 @@
#include <utils/misc.h>
#include <utils/Log.h>
#include <hardware/hardware.h>
#include <hardware/power.h>
#include <suspend/autosuspend.h>
#include <inttypes.h>
#include <stdio.h>
#include <errno.h>
#include <fcntl.h>
@@ -47,6 +49,7 @@ namespace android
static bool wakeup_init = false;
static sem_t wakeup_sem;
extern struct power_module* gPowerModule;
static void wakeup_callback(bool success)
{
@@ -170,8 +173,122 @@ static jint nativeWaitWakeup(JNIEnv *env, jobject clazz, jobject outBuf)
return mergedreasonpos - mergedreason;
}
static jint getPlatformLowPowerStats(JNIEnv* env, jobject /* clazz */, jobject outBuf) {
int num_modes = -1;
char *output = (char*)env->GetDirectBufferAddress(outBuf), *offset = output;
int remaining = (int)env->GetDirectBufferCapacity(outBuf);
power_state_platform_sleep_state_t *list;
size_t *voter_list;
int total_added = -1;
if (outBuf == NULL) {
jniThrowException(env, "java/lang/NullPointerException", "null argument");
goto error;
}
if (!gPowerModule) {
ALOGE("%s: gPowerModule not loaded", POWER_HARDWARE_MODULE_ID);
goto error;
}
if (! (gPowerModule->get_platform_low_power_stats && gPowerModule->get_number_of_platform_modes
&& gPowerModule->get_voter_list)) {
ALOGE("%s: Missing API", POWER_HARDWARE_MODULE_ID);
goto error;
}
if (gPowerModule->get_number_of_platform_modes) {
num_modes = gPowerModule->get_number_of_platform_modes(gPowerModule);
}
if (num_modes < 1) {
ALOGE("%s: Platform does not even have one low power mode", POWER_HARDWARE_MODULE_ID);
goto error;
}
list = (power_state_platform_sleep_state_t *)calloc(num_modes,
sizeof(power_state_platform_sleep_state_t));
if (!list) {
ALOGE("%s: power_state_platform_sleep_state_t allocation failed", POWER_HARDWARE_MODULE_ID);
goto error;
}
voter_list = (size_t *)calloc(num_modes, sizeof(*voter_list));
if (!voter_list) {
ALOGE("%s: voter_list allocation failed", POWER_HARDWARE_MODULE_ID);
goto err_free;
}
gPowerModule->get_voter_list(gPowerModule, voter_list);
for (int i = 0; i < num_modes; i++) {
list[i].voters = (power_state_voter_t *)calloc(voter_list[i],
sizeof(power_state_voter_t));
if (!list[i].voters) {
ALOGE("%s: voter_t allocation failed", POWER_HARDWARE_MODULE_ID);
goto err_free;
}
}
if (!gPowerModule->get_platform_low_power_stats(gPowerModule, list)) {
for (int i = 0; i < num_modes; i++) {
int added;
added = snprintf(offset, remaining, "%s_time=%" PRIu64 " %s_count=%" PRIu64 " ",
list[i].name, list[i].residency_in_msec_since_boot, list[i].name,
list[i].total_transitions);
if (added < 0) {
break;
}
if (added > remaining) {
added = remaining;
}
offset += added;
remaining -= added;
total_added += added;
for (unsigned int j = 0; j < list[i].number_of_voters; j++) {
added = snprintf(offset, remaining, "%s_time=%" PRIu64 " %s_count=%" PRIu64 " ",
list[i].voters[j].name,
list[i].voters[j].total_time_in_msec_voted_for_since_boot,
list[i].voters[j].name,
list[i].voters[j].total_number_of_times_voted_since_boot);
if (added < 0) {
break;
}
if (added > remaining) {
added = remaining;
}
offset += added;
remaining -= added;
total_added += added;
}
if (remaining <= 0) {
/* rewrite NULL character*/
offset--;
total_added--;
ALOGE("%s module: buffer not enough", POWER_HARDWARE_MODULE_ID);
break;
}
}
}
*offset = 0;
total_added += 1;
err_free:
for (int i = 0; i < num_modes; i++) {
free(list[i].voters);
}
free(list);
free(voter_list);
error:
return total_added;
}
static const JNINativeMethod method_table[] = {
{ "nativeWaitWakeup", "(Ljava/nio/ByteBuffer;)I", (void*)nativeWaitWakeup },
{ "getPlatformLowPowerStats", "(Ljava/nio/ByteBuffer;)I", (void*)getPlatformLowPowerStats },
};
int register_android_server_BatteryStatsService(JNIEnv *env)

2
services/core/jni/com_android_server_power_PowerManagerService.cpp
View File

@@ -48,7 +48,7 @@ static struct {
// ----------------------------------------------------------------------------
static jobject gPowerManagerServiceObj;
static struct power_module* gPowerModule;
struct power_module* gPowerModule;
static nsecs_t gLastEventTime[USER_ACTIVITY_EVENT_LAST + 1];