Merge "Modify TelephonyHistogram.java functions." into nyc-mr1-dev (ffaec892) · Commits · e / os / android_frameworks_base

telephony/java/android/telephony/TelephonyHistogram.java

+120 −100

Original line number	Diff line number	Diff line
		@@ -31,35 +31,35 @@ import java.util.List;
		public final class TelephonyHistogram implements Parcelable {
		// Type of Telephony histogram Eg: RIL histogram will have all timing data associated with
		// RIL calls. Similarly we can have any other Telephony histogram.
		private final int category;
		private final int mCategory;

		// Unique Id identifying a sample within particular category of histogram
		private final int id;
		private final int mId;

		// Min time taken in ms
		private int minTimeMs;
		private int mMinTimeMs;

		// Max time taken in ms
		private int maxTimeMs;
		private int mMaxTimeMs;

		// Average time taken in ms
		private int averageTimeMs;
		private int mAverageTimeMs;

		// Total count of samples
		private int sampleCount;
		private int mSampleCount;

		// Array storing time taken for first #RANGE_CALCULATION_COUNT samples of histogram.
		private int[] initialTimings;
		private int[] mInitialTimings;

		// Total number of time ranges expected (must be greater than 1)
		private final int bucketCount;
		private final int mBucketCount;

		// Array storing endpoints of range buckets. Calculated based on values of minTime & maxTime
		// after totalTimeCount is #RANGE_CALCULATION_COUNT.
		private final int[] bucketEndPoints;
		private final int[] mBucketEndPoints;

		// Array storing counts for each time range starting from smallest value range
		private final int[] bucketCounters;
		private final int[] mBucketCounters;

		/**
		* Constant for Telephony category
		@@ -81,69 +81,85 @@ public final class TelephonyHistogram implements Parcelable {
		if (bucketCount <= 1) {
		throw new IllegalArgumentException("Invalid number of buckets");
		}
		this.category = category;
		this.id = id;
		this.minTimeMs = Integer.MAX_VALUE;
		this.maxTimeMs = 0;
		this.averageTimeMs = 0;
		this.sampleCount = 0;
		initialTimings = new int[RANGE_CALCULATION_COUNT];
		this.bucketCount = bucketCount;
		bucketEndPoints = new int[bucketCount - 1];
		bucketCounters = new int[bucketCount];
		mCategory = category;
		mId = id;
		mMinTimeMs = Integer.MAX_VALUE;
		mMaxTimeMs = 0;
		mAverageTimeMs = 0;
		mSampleCount = 0;
		mInitialTimings = new int[RANGE_CALCULATION_COUNT];
		mBucketCount = bucketCount;
		mBucketEndPoints = new int[bucketCount - 1];
		mBucketCounters = new int[bucketCount];
		}

		public TelephonyHistogram(TelephonyHistogram th) {
		category = th.getCategory();
		id = th.getId();
		minTimeMs = th.getMinTime();
		maxTimeMs = th.getMaxTime();
		averageTimeMs = th.getAverageTime();
		sampleCount = th.getSampleCount();
		initialTimings = th.getInitialTimings();
		bucketCount = th.getBucketCount();
		bucketEndPoints = th.getBucketEndPoints();
		bucketCounters = th.getBucketCounters();
		mCategory = th.getCategory();
		mId = th.getId();
		mMinTimeMs = th.getMinTime();
		mMaxTimeMs = th.getMaxTime();
		mAverageTimeMs = th.getAverageTime();
		mSampleCount = th.getSampleCount();
		mInitialTimings = th.getInitialTimings();
		mBucketCount = th.getBucketCount();
		mBucketEndPoints = th.getBucketEndPoints();
		mBucketCounters = th.getBucketCounters();
		}

		public int getCategory() {
		return category;
		return mCategory;
		}

		public int getId() {
		return id;
		return mId;
		}

		public int getMinTime() {
		return minTimeMs;
		return mMinTimeMs;
		}

		public int getMaxTime() {
		return maxTimeMs;
		return mMaxTimeMs;
		}

		public int getAverageTime() {
		return averageTimeMs;
		return mAverageTimeMs;
		}

		public int getSampleCount () {
		return sampleCount;
		return mSampleCount;
		}

		private int[] getInitialTimings() {
		return initialTimings;
		return mInitialTimings;
		}

		public int getBucketCount() {
		return bucketCount;
		return mBucketCount;
		}

		public int[] getBucketEndPoints() {
		return getDeepCopyOfArray(bucketEndPoints);
		if (mSampleCount > 1 && mSampleCount < 10) {
		int[] tempEndPoints = new int[mBucketCount - 1];
		calculateBucketEndPoints(tempEndPoints);
		return tempEndPoints;
		} else {
		return getDeepCopyOfArray(mBucketEndPoints);
		}
		}

		public int[] getBucketCounters() {
		return getDeepCopyOfArray(bucketCounters);
		if (mSampleCount > 1 && mSampleCount < 10) {
		int[] tempEndPoints = new int[mBucketCount - 1];
		int[] tempBucketCounters = new int[mBucketCount];
		calculateBucketEndPoints(tempEndPoints);
		for (int j = 0; j < mSampleCount; j++) {
		addToBucketCounter(tempEndPoints, tempBucketCounters, mInitialTimings[j]);
		}
		return tempBucketCounters;
		} else {
		return getDeepCopyOfArray(mBucketCounters);
		}
		}

		private int[] getDeepCopyOfArray(int[] array) {
		@@ -152,7 +168,7 @@ public final class TelephonyHistogram implements Parcelable {
		return clone;
		}

		private void addToBucketCounter(int time) {
		private void addToBucketCounter(int[] bucketEndPoints, int[] bucketCounters, int time) {
		int i;
		for (i = 0; i < bucketEndPoints.length; i++) {
		if (time <= bucketEndPoints[i]) {
		@@ -163,6 +179,13 @@ public final class TelephonyHistogram implements Parcelable {
		bucketCounters[i]++;
		}

		private void calculateBucketEndPoints(int[] bucketEndPoints) {
		for (int i = 1; i < mBucketCount; i++) {
		int endPt = mMinTimeMs + (i * (mMaxTimeMs - mMinTimeMs)) / mBucketCount;
		bucketEndPoints[i - 1] = endPt;
		}
		}

		// Add new value of time taken
		// This function updates minTime, maxTime, averageTime & totalTimeCount every time it is
		// called. initialTimings[] is updated if totalTimeCount <= #RANGE_CALCULATION_COUNT. When
		@@ -172,65 +195,62 @@ public final class TelephonyHistogram implements Parcelable {
		public void addTimeTaken(int time) {
		// Initialize all fields if its first entry or if integer overflow is going to occur while
		// trying to calculate averageTime
		if (sampleCount == 0 \|\| (sampleCount == Integer.MAX_VALUE)) {
		if (sampleCount == 0) {
		minTimeMs = time;
		maxTimeMs = time;
		averageTimeMs = time;
		if (mSampleCount == 0 \|\| (mSampleCount == Integer.MAX_VALUE)) {
		if (mSampleCount == 0) {
		mMinTimeMs = time;
		mMaxTimeMs = time;
		mAverageTimeMs = time;
		} else {
		initialTimings = new int[RANGE_CALCULATION_COUNT];
		mInitialTimings = new int[RANGE_CALCULATION_COUNT];
		}
		sampleCount = 1;
		Arrays.fill(initialTimings, 0);
		initialTimings[0] = time;
		Arrays.fill(bucketEndPoints, 0);
		Arrays.fill(bucketCounters, 0);
		mSampleCount = 1;
		Arrays.fill(mInitialTimings, 0);
		mInitialTimings[0] = time;
		Arrays.fill(mBucketEndPoints, 0);
		Arrays.fill(mBucketCounters, 0);
		} else {
		if (time < minTimeMs) {
		minTimeMs = time;
		if (time < mMinTimeMs) {
		mMinTimeMs = time;
		}
		if (time > maxTimeMs) {
		maxTimeMs = time;
		if (time > mMaxTimeMs) {
		mMaxTimeMs = time;
		}
		long totalTime = ((long)averageTimeMs) * sampleCount + time;
		averageTimeMs = (int)(totalTime/++sampleCount);
		long totalTime = ((long)mAverageTimeMs) * mSampleCount + time;
		mAverageTimeMs = (int)(totalTime/++mSampleCount);

		if (sampleCount < RANGE_CALCULATION_COUNT) {
		initialTimings[sampleCount - 1] = time;
		} else if (sampleCount == RANGE_CALCULATION_COUNT) {
		initialTimings[sampleCount - 1] = time;
		if (mSampleCount < RANGE_CALCULATION_COUNT) {
		mInitialTimings[mSampleCount - 1] = time;
		} else if (mSampleCount == RANGE_CALCULATION_COUNT) {
		mInitialTimings[mSampleCount - 1] = time;

		// Calculate bucket endpoints based on bucketCount expected
		for (int i = 1; i < bucketCount; i++) {
		int endPt = minTimeMs + (i * (maxTimeMs - minTimeMs)) / bucketCount;
		bucketEndPoints[i - 1] = endPt;
		}
		calculateBucketEndPoints(mBucketEndPoints);

		// Use values stored in initialTimings[] to update bucketCounters
		for (int j = 0; j < RANGE_CALCULATION_COUNT; j++) {
		addToBucketCounter(initialTimings[j]);
		addToBucketCounter(mBucketEndPoints, mBucketCounters, mInitialTimings[j]);
		}
		initialTimings = null;
		mInitialTimings = null;
		} else {
		addToBucketCounter(time);
		addToBucketCounter(mBucketEndPoints, mBucketCounters, time);
		}

		}
		}

		public String toString() {
		String basic = " Histogram id = " + id + " Time(ms): min = " + minTimeMs + " max = "
		+ maxTimeMs + " avg = " + averageTimeMs + " Count = " + sampleCount;
		if (sampleCount < RANGE_CALCULATION_COUNT) {
		String basic = " Histogram id = " + mId + " Time(ms): min = " + mMinTimeMs + " max = "
		+ mMaxTimeMs + " avg = " + mAverageTimeMs + " Count = " + mSampleCount;
		if (mSampleCount < RANGE_CALCULATION_COUNT) {
		return basic;
		} else {
		StringBuffer intervals = new StringBuffer(" Interval Endpoints:");
		for (int i = 0; i < bucketEndPoints.length; i++) {
		intervals.append(" " + bucketEndPoints[i]);
		for (int i = 0; i < mBucketEndPoints.length; i++) {
		intervals.append(" " + mBucketEndPoints[i]);
		}
		intervals.append(" Interval counters:");
		for (int i = 0; i < bucketCounters.length; i++) {
		intervals.append(" " + bucketCounters[i]);
		for (int i = 0; i < mBucketCounters.length; i++) {
		intervals.append(" " + mBucketCounters[i]);
		}
		return basic + intervals;
		}
		@@ -251,39 +271,39 @@ public final class TelephonyHistogram implements Parcelable {
		};

		public TelephonyHistogram(Parcel in) {
		category = in.readInt();
		id = in.readInt();
		minTimeMs = in.readInt();
		maxTimeMs = in.readInt();
		averageTimeMs = in.readInt();
		sampleCount = in.readInt();
		mCategory = in.readInt();
		mId = in.readInt();
		mMinTimeMs = in.readInt();
		mMaxTimeMs = in.readInt();
		mAverageTimeMs = in.readInt();
		mSampleCount = in.readInt();
		if (in.readInt() == PRESENT) {
		initialTimings = new int[RANGE_CALCULATION_COUNT];
		in.readIntArray(initialTimings);
		mInitialTimings = new int[RANGE_CALCULATION_COUNT];
		in.readIntArray(mInitialTimings);
		}
		bucketCount = in.readInt();
		bucketEndPoints = new int[bucketCount - 1];
		in.readIntArray(bucketEndPoints);
		bucketCounters = new int[bucketCount];
		in.readIntArray(bucketCounters);
		mBucketCount = in.readInt();
		mBucketEndPoints = new int[mBucketCount - 1];
		in.readIntArray(mBucketEndPoints);
		mBucketCounters = new int[mBucketCount];
		in.readIntArray(mBucketCounters);
		}

		public void writeToParcel(Parcel out, int flags) {
		out.writeInt(category);
		out.writeInt(id);
		out.writeInt(minTimeMs);
		out.writeInt(maxTimeMs);
		out.writeInt(averageTimeMs);
		out.writeInt(sampleCount);
		if (initialTimings == null) {
		out.writeInt(mCategory);
		out.writeInt(mId);
		out.writeInt(mMinTimeMs);
		out.writeInt(mMaxTimeMs);
		out.writeInt(mAverageTimeMs);
		out.writeInt(mSampleCount);
		if (mInitialTimings == null) {
		out.writeInt(ABSENT);
		} else {
		out.writeInt(PRESENT);
		out.writeIntArray(initialTimings);
		out.writeIntArray(mInitialTimings);
		}
		out.writeInt(bucketCount);
		out.writeIntArray(bucketEndPoints);
		out.writeIntArray(bucketCounters);
		out.writeInt(mBucketCount);
		out.writeIntArray(mBucketEndPoints);
		out.writeIntArray(mBucketCounters);
		}

		@Override