提交: a7c591ffcefdea1ffe4d3ef3220c5e6896eb1ccd - system-coremmmm (git)

system/corennnnn

Commit MetaInfo

• 修订版: a7c591ffcefdea1ffe4d3ef3220c5e6896eb1ccd (tree)
• 时间: 2016-08-16 08:24:45
• 作者: TreeHugger Robot <treehugger-gerrit@goog...>
• Commiter: Android (Google) Code Review

Log Message

Merge "bootstat: Calculate and log the time_since_last_boot metric." into nyc-mr1-dev

更改概述

• modified: bootstat/bootstat.cpp

差异

--- a/bootstat/bootstat.cpp
+++ b/bootstat/bootstat.cpp
@@ -169,7 +169,19 @@ std::string CalculateBootCompletePrefix() {
 void RecordBootComplete() {
   BootEventRecordStore boot_event_store;
   BootEventRecordStore::BootEventRecord record;
+
   time_t uptime = bootstat::ParseUptime();
+  time_t current_time_utc = time(nullptr);
+
+  if (boot_event_store.GetBootEvent("last_boot_time_utc", &record)) {
+    time_t last_boot_time_utc = record.second;
+    time_t time_since_last_boot = difftime(current_time_utc,
+                                           last_boot_time_utc);
+    boot_event_store.AddBootEventWithValue("time_since_last_boot",
+                                           time_since_last_boot);
+  }
+
+  boot_event_store.AddBootEventWithValue("last_boot_time_utc", current_time_utc);
 
   // The boot_complete metric has two variants: boot_complete and
   // ota_boot_complete.  The latter signifies that the device is booting after