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Merge "Collect statistics of source build version" into nyc-dev

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This commit is contained in:
Tianjie Xu
2016-06-10 17:13:53 +00:00
committed by Android (Google) Code Review
parent 792918e5fd c1ff246f1a
commit 8872a604b9
1 changed files with 6 additions and 0 deletions
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6
core/java/android/os/RecoverySystem.java
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@@ -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);
}