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Commit d449ad6c authored by Adam Bookatz's avatar Adam Bookatz Committed by Automerger Merge Worker
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Merge "Fix error in MeasuredEnergySnapshot voltage" into sc-dev am: ed21f7f9 

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/13932813

Change-Id: I34d54c10e23b8843807b07046bef42122419d502
parents 414e5d83 ed21f7f9

services/core/java/com/android/server/am/MeasuredEnergySnapshot.java

+4 −4
Original line number Diff line number Diff line
@@ -241,7 +241,7 @@ public class MeasuredEnergySnapshot { 
    /**

     * For a consumer of type {@link EnergyConsumerType#OTHER}, updates

     * {@link #mAttributionSnapshots} with freshly measured energies (per uid) and returns the

     * charge consumed (in microcouloumbs) between the previously stored values and the passed-in

     * charge consumed (in microcoulombs) between the previously stored values and the passed-in

     * values.

     *

     * @param consumerInfo a consumer of type {@link EnergyConsumerType#OTHER}.
@@ -341,11 +341,11 @@ public class MeasuredEnergySnapshot { 
        return numOrdinals;

    }



    /** Calculate charge consumption (in microcouloumbs) from a given energy and voltage */

    /** Calculate charge consumption (in microcoulombs) from a given energy and voltage */

    private long calculateChargeConsumedUC(long deltaEnergyUJ, int avgVoltageMV) {

        // To overflow, a 3.7V 10000mAh battery would need to completely drain 69244 times

        // since the last snapshot. Round up to the nearest whole long.

        return (deltaEnergyUJ * MILLIVOLTS_PER_VOLT + (avgVoltageMV + 1) / 2) / avgVoltageMV;

        // since the last snapshot. Round off to the nearest whole long.

        return (deltaEnergyUJ * MILLIVOLTS_PER_VOLT + (avgVoltageMV / 2)) / avgVoltageMV;

    }



}