Change currentTimeMillis to elapsedRealtime
System.currentTimeMillis does not gauntness to be monotonically
increasing, changed to SystemClock.elapsedRealtime
Bug: 38317243
Fixes: 38317243
Test: make -j 32; flash the angler device using local build
Change-Id: I75a70d43028e901d9f3459d6b525cac58e8e64af
diff --git a/services/core/java/com/android/server/location/GnssLocationProvider.java b/services/core/java/com/android/server/location/GnssLocationProvider.java
index 45971f5..4ada555 100644
--- a/services/core/java/com/android/server/location/GnssLocationProvider.java
+++ b/services/core/java/com/android/server/location/GnssLocationProvider.java
@@ -943,7 +943,7 @@
long time = mNtpTime.getCachedNtpTime();
long timeReference = mNtpTime.getCachedNtpTimeReference();
long certainty = mNtpTime.getCacheCertainty();
- long now = System.currentTimeMillis();
+ long now = SystemClock.elapsedRealtime();
if (DEBUG) {
Log.d(TAG, "NTP server returned: "
@@ -1458,7 +1458,7 @@
// reset SV count to zero
updateStatus(LocationProvider.TEMPORARILY_UNAVAILABLE, 0, 0, 0);
- mFixRequestTime = System.currentTimeMillis();
+ mFixRequestTime = SystemClock.elapsedRealtime();
if (!hasCapability(GPS_CAPABILITY_SCHEDULING)) {
// set timer to give up if we do not receive a fix within NO_FIX_TIMEOUT
// and our fix interval is not short
@@ -1535,12 +1535,12 @@
mGnssMetrics.logPositionAccuracyMeters(location.getAccuracy());
}
if (mTimeToFirstFix > 0) {
- int timeBetweenFixes = (int) (System.currentTimeMillis() - mLastFixTime);
+ int timeBetweenFixes = (int) (SystemClock.elapsedRealtime() - mLastFixTime);
mGnssMetrics.logMissedReports(mFixInterval, timeBetweenFixes);
}
}
- mLastFixTime = System.currentTimeMillis();
+ mLastFixTime = SystemClock.elapsedRealtime();
// report time to first fix
if (mTimeToFirstFix == 0 && hasLatLong) {
mTimeToFirstFix = (int)(mLastFixTime - mFixRequestTime);
@@ -1665,7 +1665,7 @@
updateStatus(mStatus, usedInFixCount, meanCn0, maxCn0);
if (mNavigating && mStatus == LocationProvider.AVAILABLE && mLastFixTime > 0 &&
- System.currentTimeMillis() - mLastFixTime > RECENT_FIX_TIMEOUT) {
+ SystemClock.elapsedRealtime() - mLastFixTime > RECENT_FIX_TIMEOUT) {
// send an intent to notify that the GPS is no longer receiving fixes.
Intent intent = new Intent(LocationManager.GPS_FIX_CHANGE_ACTION);
intent.putExtra(LocationManager.EXTRA_GPS_ENABLED, false);