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bootstat: Log ro.boottime.init timing properties.

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Bug: none
Test: adb logcat | grep bootstat
Change-Id: I3375c75e8ef39be710c8001f19a9e2fb493805e9
This commit is contained in:
James Hawkins 2017-01-06 14:38:23 -08:00
parent 9f59a4663c
commit ef0a090e6f
1 changed files with 17 additions and 0 deletions
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17
bootstat/bootstat.cpp
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@ -207,6 +207,19 @@ std::string CalculateBootCompletePrefix() {
return boot_complete_prefix;
}
// Records the value of a given ro.boottime.init property in milliseconds.
void RecordInitBootTimeProp(
BootEventRecordStore* boot_event_store, const char* property) {
std::string value = GetProperty(property);
int32_t time_in_ns;
if (android::base::ParseInt(value, &time_in_ns)) {
static constexpr int32_t kNanosecondsPerMillisecond = 1e6;
int32_t time_in_ms = static_cast<int32_t>(time_in_ns / kNanosecondsPerMillisecond);
boot_event_store->AddBootEventWithValue(property, time_in_ms);
}
}
// Records several metrics related to the time it takes to boot the device,
// including disambiguating boot time on encrypted or non-encrypted devices.
void RecordBootComplete() {
@ -256,6 +269,10 @@ void RecordBootComplete() {
// Record the total time from device startup to boot complete, regardless of
// encryption state.
boot_event_store.AddBootEventWithValue(boot_complete_prefix, uptime);
RecordInitBootTimeProp(&boot_event_store, "ro.boottime.init");
RecordInitBootTimeProp(&boot_event_store, "ro.boottime.init.selinux");
RecordInitBootTimeProp(&boot_event_store, "ro.boottime.init.cold_boot_wait");
}
// Records the boot_reason metric by querying the ro.boot.bootreason system