Improve logging in bootstat.
This should help in debugging issues related to the mismatch between
actual last reboot reason property and the expected one (see attached
bug).
Test: adb reboot
Test: adb logcat | grep bootstat
Bug: 152900920
Change-Id: I085cf1fb80a30389fd3ba821d40b6111a3294d95
diff --git a/bootstat/bootstat.cpp b/bootstat/bootstat.cpp
index a9c1676..5d6cee4 100644
--- a/bootstat/bootstat.cpp
+++ b/bootstat/bootstat.cpp
@@ -1238,16 +1238,26 @@
// Shift last_reboot_reason_property to last_last_reboot_reason_property
std::string last_boot_reason;
if (!android::base::ReadFileToString(last_reboot_reason_file, &last_boot_reason)) {
+ PLOG(ERROR) << "Failed to read " << last_reboot_reason_file;
last_boot_reason = android::base::GetProperty(last_reboot_reason_property, "");
+ LOG(INFO) << "Value of " << last_reboot_reason_property << " : " << last_boot_reason;
+ } else {
+ LOG(INFO) << "Last reboot reason read from " << last_reboot_reason_file << " : "
+ << last_boot_reason << ". Last reboot reason read from "
+ << last_reboot_reason_property << " : "
+ << android::base::GetProperty(last_reboot_reason_property, "");
}
if (last_boot_reason.empty() || isKernelRebootReason(system_boot_reason)) {
last_boot_reason = system_boot_reason;
} else {
transformReason(last_boot_reason);
}
+ LOG(INFO) << "Normalized last reboot reason : " << last_boot_reason;
android::base::SetProperty(last_last_reboot_reason_property, last_boot_reason);
android::base::SetProperty(last_reboot_reason_property, "");
- unlink(last_reboot_reason_file);
+ if (unlink(last_reboot_reason_file) != 0) {
+ PLOG(ERROR) << "Failed to unlink " << last_reboot_reason_file;
+ }
}
// Gets the boot time offset. This is useful when Android is running in a