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Commit 492450c8 authored by Tianjie Xu's avatar Tianjie Xu
Browse files

Collect status on uncrypt time cost 

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

Bug: 31383361

Change-Id: I283970c33b2a0324f2f51cde328e3e527eff7c58
(cherry picked from commit 3477efce)
parent 845096ff

core/java/android/os/RecoverySystem.java

+6 −0
Original line number Diff line number Diff line
@@ -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);

            }