Merge "Collect statistics of source build version" into nyc-dev (8872a604) · Commits · e / os / android_frameworks_base

core/java/android/os/RecoverySystem.java

+6 −0

Original line number	Diff line number	Diff line
		@@ -695,6 +695,7 @@ public class RecoverySystem {
		String line = null;
		int bytesWrittenInMiB = -1, bytesStashedInMiB = -1;
		int timeTotal = -1;
		int sourceVersion = -1;
		while ((line = in.readLine()) != null) {
		// Here is an example of lines in last_install:
		// ...
		@@ -729,6 +730,8 @@ public class RecoverySystem {

		if (line.startsWith("time")) {
		timeTotal = scaled;
		} else if (line.startsWith("source_version")) {
		sourceVersion = scaled;
		} else if (line.startsWith("bytes_written")) {
		bytesWrittenInMiB = (bytesWrittenInMiB == -1) ? scaled :
		bytesWrittenInMiB + scaled;
		@@ -742,6 +745,9 @@ public class RecoverySystem {
		if (timeTotal != -1) {
		MetricsLogger.histogram(context, "ota_time_total", timeTotal);
		}
		if (sourceVersion != -1) {
		MetricsLogger.histogram(context, "ota_source_version", sourceVersion);
		}
		if (bytesWrittenInMiB != -1) {
		MetricsLogger.histogram(context, "ota_written_in_MiBs", bytesWrittenInMiB);
		}