Merge "Add warning magic to be a bit more reasonable." into froyo

This commit is contained in:
Robert Greenwalt
2010-04-09 16:47:10 -07:00
committed by Android (Google) Code Review

View File

@@ -421,18 +421,40 @@ public class ThrottleService extends IThrottleManager.Stub {
} else {
if ((mPolicyNotificationsAllowedMask & NOTIFICATION_WARNING) != 0) {
// check if we should warn about throttle
if (currentTotal > (mPolicyThreshold/2) && !mWarningNotificationSent) {
mWarningNotificationSent = true;
mNotificationManager.cancel(com.android.internal.R.drawable.
stat_sys_throttle_warning);
postNotification(com.android.internal.R.string.
throttle_warning_notification_title,
com.android.internal.R.string.
throttle_warning_notification_message,
com.android.internal.R.drawable.stat_sys_throttle_warning,
0);
// pretend we only have 1/2 the time remaining that we actually do
// if our burn rate in the period so far would have us exceed the limit
// in that 1/2 window, warn the user.
// this gets more generous in the early to middle period and converges back
// to the limit as we move toward the period end.
// adding another factor - it must be greater than the total cap/4
// else we may get false alarms very early in the period.. in the first
// tenth of a percent of the period if we used more than a tenth of a percent
// of the cap we'd get a warning and that's not desired.
long start = mRecorder.getPeriodStart();
long end = mRecorder.getPeriodEnd();
long periodLength = end - start;
long now = System.currentTimeMillis();
long timeUsed = now - start;
long warningThreshold = 2*mPolicyThreshold*timeUsed/(timeUsed+periodLength);
if ((currentTotal > warningThreshold) && (currentTotal > mPolicyThreshold/4)) {
if (mWarningNotificationSent == false) {
mWarningNotificationSent = true;
mNotificationManager.cancel(com.android.internal.R.drawable.
stat_sys_throttle_warning);
postNotification(com.android.internal.R.string.
throttle_warning_notification_title,
com.android.internal.R.string.
throttle_warning_notification_message,
com.android.internal.R.drawable.stat_sys_throttle_warning,
0);
}
} else {
mWarningNotificationSent =false;
if (mWarningNotificationSent == true) {
mNotificationManager.cancel(com.android.internal.R.drawable.
stat_sys_throttle_warning);
mWarningNotificationSent =false;
}
}
}
}