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Commit 9a7706bb authored by Marco Nelissen's avatar Marco Nelissen
Browse files

Allow blaming a single uid for work done 

This lets audioflinger assign blame for wakelocks to a single uid.
Currently this is only used for recording wakelocks.
b/10985160

Change-Id: Idc9adb22c29030010ac690d4cb95e7e7ea6b91e6
parent 86206b41

include/powermanager/IPowerManager.h

+2 −0
Original line number Diff line number Diff line
@@ -32,6 +32,8 @@ public: 


    virtual status_t acquireWakeLock(int flags, const sp<IBinder>& lock, const String16& tag,

            const String16& packageName) = 0;

    virtual status_t acquireWakeLockWithUid(int flags, const sp<IBinder>& lock, const String16& tag,

            const String16& packageName, int uid) = 0;

    virtual status_t releaseWakeLock(const sp<IBinder>& lock, int flags) = 0;

};

services/powermanager/IPowerManager.cpp

+16 −1
Original line number Diff line number Diff line
@@ -30,7 +30,8 @@ namespace android { 
// must be kept in sync with IPowerManager.aidl

enum {

    ACQUIRE_WAKE_LOCK = IBinder::FIRST_CALL_TRANSACTION,

    RELEASE_WAKE_LOCK = IBinder::FIRST_CALL_TRANSACTION + 1,

    ACQUIRE_WAKE_LOCK_UID = IBinder::FIRST_CALL_TRANSACTION + 1,

    RELEASE_WAKE_LOCK = IBinder::FIRST_CALL_TRANSACTION + 2,

};



class BpPowerManager : public BpInterface<IPowerManager>
@@ -55,6 +56,20 @@ public: 
        return remote()->transact(ACQUIRE_WAKE_LOCK, data, &reply);

    }



    virtual status_t acquireWakeLockWithUid(int flags, const sp<IBinder>& lock, const String16& tag,

            const String16& packageName, int uid)

    {

        Parcel data, reply;

        data.writeInterfaceToken(IPowerManager::getInterfaceDescriptor());



        data.writeStrongBinder(lock);

        data.writeInt32(flags);

        data.writeString16(tag);

        data.writeString16(packageName);

        data.writeInt32(uid); // uid to blame for the work

        return remote()->transact(ACQUIRE_WAKE_LOCK_UID, data, &reply);

    }



    virtual status_t releaseWakeLock(const sp<IBinder>& lock, int flags)

    {

        Parcel data, reply;