Android/frameworks_base
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Collect status on uncrypt time cost

Browse Source 
Read and report time cost of uncrypt (in seconds) from last_install.

Bug: 31383361

Change-Id: I283970c33b2a0324f2f51cde328e3e527eff7c58
(cherry picked from commit 3477efce30)
This commit is contained in:
Tianjie Xu
2016-09-09 11:27:32 -07:00
parent 845096ffa3
commit 492450c88a
1 changed files with 6 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
core/java/android/os/RecoverySystem.java
View File

@@ -724,6 +724,7 @@ public class RecoverySystem {
String line = null;
int bytesWrittenInMiB = -1, bytesStashedInMiB = -1;
int timeTotal = -1;
int uncryptTime = -1;
int sourceVersion = -1;
while ((line = in.readLine()) != null) {
// Here is an example of lines in last_install:
@@ -759,6 +760,8 @@ public class RecoverySystem {
if (line.startsWith("time")) {
timeTotal = scaled;
} else if (line.startsWith("uncrypt_time")) {
uncryptTime = scaled;
} else if (line.startsWith("source_build")) {
sourceVersion = scaled;
} else if (line.startsWith("bytes_written")) {
@@ -774,6 +777,9 @@ public class RecoverySystem {
if (timeTotal != -1) {
MetricsLogger.histogram(context, "ota_time_total", timeTotal);
}
if (uncryptTime != -1) {
MetricsLogger.histogram(context, "ota_uncrypt_time", uncryptTime);
}
if (sourceVersion != -1) {
MetricsLogger.histogram(context, "ota_source_version", sourceVersion);
}