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

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This commit is contained in:
Robert Greenwalt
2010-04-09 16:47:10 -07:00
committed by Android (Google) Code Review
parent 15b02f04c7 e2c0ce0363
commit 5cc072522b
1 changed files with 33 additions and 11 deletions
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44
services/java/com/android/server/ThrottleService.java
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@@ -421,18 +421,40 @@ public class ThrottleService extends IThrottleManager.Stub {
} else { } else {
if ((mPolicyNotificationsAllowedMask & NOTIFICATION_WARNING) != 0) { if ((mPolicyNotificationsAllowedMask & NOTIFICATION_WARNING) != 0) {
// check if we should warn about throttle // check if we should warn about throttle
if (currentTotal > (mPolicyThreshold/2) && !mWarningNotificationSent) { // pretend we only have 1/2 the time remaining that we actually do
mWarningNotificationSent = true; // if our burn rate in the period so far would have us exceed the limit
mNotificationManager.cancel(com.android.internal.R.drawable. // in that 1/2 window, warn the user.
stat_sys_throttle_warning); // this gets more generous in the early to middle period and converges back
postNotification(com.android.internal.R.string. // to the limit as we move toward the period end.
throttle_warning_notification_title,
com.android.internal.R.string. // adding another factor - it must be greater than the total cap/4
throttle_warning_notification_message, // else we may get false alarms very early in the period.. in the first
com.android.internal.R.drawable.stat_sys_throttle_warning, // tenth of a percent of the period if we used more than a tenth of a percent
0); // 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 { } else {
mWarningNotificationSent =false; if (mWarningNotificationSent == true) {
mNotificationManager.cancel(com.android.internal.R.drawable.
stat_sys_throttle_warning);
mWarningNotificationSent =false;
}
} }
} }
} }