init: add timers around sync() during shutdown
It seems that these sync() calls may take a long time in some
occasions, so we add these logs to check.
Bug: 74817735
Test: tree hugger
Change-Id: Id3635f6c7a6618b20c7caf93b05e50cc50ef99de
diff --git a/init/reboot.cpp b/init/reboot.cpp
index 03ed55a..bb87f12 100644
--- a/init/reboot.cpp
+++ b/init/reboot.cpp
@@ -429,10 +429,20 @@
if (kill_after_apps.count(s->name())) s->Stop();
}
// 4. sync, try umount, and optionally run fsck for user shutdown
- sync();
+ {
+ Timer sync_timer;
+ LOG(INFO) << "sync() before umount...";
+ sync();
+ LOG(INFO) << "sync() before umount took" << sync_timer;
+ }
UmountStat stat = TryUmountAndFsck(runFsck, shutdown_timeout - t.duration());
// Follow what linux shutdown is doing: one more sync with little bit delay
- sync();
+ {
+ Timer sync_timer;
+ LOG(INFO) << "sync() after umount...";
+ sync();
+ LOG(INFO) << "sync() after umount took" << sync_timer;
+ }
if (cmd != ANDROID_RB_THERMOFF) std::this_thread::sleep_for(100ms);
LogShutdownTime(stat, &t);