Android CPU频率设置(MTK平台)

Android CPU频率设置(MTK平台)

1.CPU 频率设置

主要设置CPU的最大和最小频率

• mPerfServiceWrapper.userReg 注册
• mPerfServiceWrapper.userRegScnConfig 参数设定
• mPerfServiceWrapper.userEnable 激活设置
• mPerfServiceWrapper.userDisable 反激活设置
• mPerfServiceWrapper.userUnreg 反注册

示例代码

    /**
     * CPU mode freq settings
     *
     * @param minCpuNumber
     * @param maxCpuFreq
     * @param mode
     * @param freqMin
     * @param freqMax
     * @param coreMin
     * @param coreMax
     */
    public void setCpu(int minCpuNumber, int maxCpuFreq, int mode, int freqMin, int freqMax, int coreMin, int coreMax, boolean screenOffEnable) {
        userDisableIfNeed();
        if (null != mPerfServiceWrapper) {
            mCurPerfHandle = mPerfServiceWrapper.userReg(minCpuNumber, maxCpuFreq);

            if (PERFHANDLE_ERROR_CODE != mCurPerfHandle) {
                mPerfServiceWrapper.userRegScnConfig(mCurPerfHandle, mPerfServiceWrapper.CMD_SET_VCORE, mode, PARAM_DEFAULT_VALUE, PARAM_DEFAULT_VALUE, PARAM_DEFAULT_VALUE);

                mPerfServiceWrapper.userRegScnConfig(mCurPerfHandle, mPerfServiceWrapper.CMD_SET_CPU_CORE_MIN, coreMin, PARAM_DEFAULT_VALUE, PARAM_DEFAULT_VALUE, PARAM_DEFAULT_VALUE);
                mPerfServiceWrapper.userRegScnConfig(mCurPerfHandle, mPerfServiceWrapper.CMD_SET_CPU_CORE_MAX, coreMax, PARAM_DEFAULT_VALUE, PARAM_DEFAULT_VALUE, PARAM_DEFAULT_VALUE);

                mPerfServiceWrapper.userRegScnConfig(mCurPerfHandle, mPerfServiceWrapper.CMD_SET_CPU_FREQ_MIN, freqMin, PARAM_DEFAULT_VALUE, PARAM_DEFAULT_VALUE, PARAM_DEFAULT_VALUE);
                mPerfServiceWrapper.userRegScnConfig(mCurPerfHandle, mPerfServiceWrapper.CMD_SET_CPU_FREQ_MAX, freqMax, PARAM_DEFAULT_VALUE, PARAM_DEFAULT_VALUE, PARAM_DEFAULT_VALUE);

                if (screenOffEnable) {
                    mPerfServiceWrapper.userRegScnConfig(mCurPerfHandle, mPerfServiceWrapper.CMD_SET_SCREEN_OFF_STATE, mPerfServiceWrapper.SCREEN_OFF_ENABLE, PARAM_DEFAULT_VALUE, PARAM_DEFAULT_VALUE, PARAM_DEFAULT_VALUE);
                }

                mPerfServiceWrapper.userEnable(mCurPerfHandle);

                Log.d(TAG, "setCpu minCpuNumber = " + minCpuNumber + ", maxCpuFreq = " + maxCpuFreq + ", mode = " + mode + ", freqMin = " + freqMin + ", freqMax = " + freqMax + ", coreMin = " + coreMin + ", coreMax = " + coreMax + ", mCurPerfHandle = " + mCurPerfHandle);
            }
        }
    }

    /**
     * 退出注册
     */
    public void userUnreg() {
        if (mCurPerfHandle != PERFHANDLE_ERROR_CODE) {
            mPerfServiceWrapper.userDisable(mCurPerfHandle);
            mPerfServiceWrapper.userUnreg(mCurPerfHandle);
            Log.d(TAG, "userUnreg  mCurPerfHandle = " + mCurPerfHandle);
        }
    }

• 2.运行效果

3.示例代码下载

https://github.com/sufadi/AndroidCpuTools

4.涉及源码

CpuSettingsUtils.java

package com.fadisu.cpurun.util;

import android.content.Context;
import android.os.Handler;
import android.util.Log;

import com.mediatek.perfservice.PerfServiceWrapper;

public class CpuSettingsUtils {

    private static String TAG = CpuSettingsUtils.class.getSimpleName();

    public static final int PERFHANDLE_ERROR_CODE = -1;
    public static final int PARAM_DEFAULT_VALUE = -1;

    public static final int CPU_NUMBER = CpuUtils.getNumCpuCores();
    public static final int MAX_CPU_FREQ = (int) CpuUtils.getCpuMaxFreq();
    public static final int MIN_CPU_FREQ = (int) CpuUtils.getCpuMinFreq();

    private int mCurPerfHandle;

    private Context mContext;
    private static CpuSettingsUtils mInstance;
    private PerfServiceWrapper mPerfServiceWrapper;

    public static CpuSettingsUtils getInstance(Context mContext) {
        if (null == mInstance) {
            synchronized (CpuSettingsUtils.class) {
                if (null == mInstance) {
                    mInstance = new CpuSettingsUtils(mContext);
                }
            }
        }

        return mInstance;
    }

    public CpuSettingsUtils(Context mContext) {
        this.mContext = mContext;
        mCurPerfHandle = PERFHANDLE_ERROR_CODE;
        mPerfServiceWrapper = new PerfServiceWrapper(mContext);

    }

    /**
     * CPU 核数和频率全开，达到瞬间性能最优
     */
    public static void perfBoost(Context mContext) {
        final PerfServiceWrapper mPerfServiceWrapper = new PerfServiceWrapper(mContext);
        if (null != mPerfServiceWrapper) {
            final int mPerfHandle = mPerfServiceWrapper.userReg(CPU_NUMBER, MAX_CPU_FREQ);

            if (PERFHANDLE_ERROR_CODE != mPerfHandle) {
                mPerfServiceWrapper.userEnableTimeoutMs(mPerfHandle, 500);
                Log.d(TAG, "userEnableTimeoutMs = " + mPerfHandle);

                Handler handler = new Handler();
                handler.postDelayed(new Runnable() {
                    @Override
                    public void run() {
                        mPerfServiceWrapper.userUnreg(mPerfHandle);
                        Log.d(TAG, "userUnreg = " + mPerfHandle);
                    }
                }, 600);
            }
        }
    }

    /**
     * 设置图形模式，参数1个：DRAM模式：0-默认模式，1-低功耗模式，2-还是默认模式，3-高性能模式
     *
     * @param mContext
     * @param minCpuNumber
     * @param maxCpuFreq
     */
    public static final int VCORE_DEFAULT = 0;
    public static final int VCORE_POWERSAVE = 1;
    public static final int VCORE_DEFAULT_2 = 2;
    public static final int VCORE_PERF = 3;

    public void setCpuVcoreMode(int minCpuNumber, int maxCpuFreq, int mode) {
        userDisableIfNeed();

        if (null != mPerfServiceWrapper) {
            mCurPerfHandle = mPerfServiceWrapper.userReg(minCpuNumber, maxCpuFreq);

            if (PERFHANDLE_ERROR_CODE != mCurPerfHandle) {
                mPerfServiceWrapper.userRegScnConfig(mCurPerfHandle, mPerfServiceWrapper.CMD_SET_VCORE, mode, PARAM_DEFAULT_VALUE, PARAM_DEFAULT_VALUE, PARAM_DEFAULT_VALUE);
                // screenOffEnable();
                mPerfServiceWrapper.userEnable(mCurPerfHandle);

                Log.d(TAG, "setCpuVcoreMode mode = " + mode + ", minCpuNumber = " + minCpuNumber + ", maxCpuFreq = " + maxCpuFreq + ", mCurPerfHandle = " + mCurPerfHandle);
            }
        }
    }

    /**
     * CPU 频率设置
     * 效果：维持最高频率为设定值，但是CPU场景调频不受控制，场景比如切换应用时，默认是开核升频率，暗屏失效
     *
     * @param minCpuNumber
     * @param maxCpuFreq
     * @param freq
     */
    public void setCpuFreq(int minCpuNumber, int maxCpuFreq, int freq) {
        userDisableIfNeed();

        if (null != mPerfServiceWrapper) {
            mCurPerfHandle = mPerfServiceWrapper.userReg(minCpuNumber, maxCpuFreq);

            if (PERFHANDLE_ERROR_CODE != mCurPerfHandle) {
                mPerfServiceWrapper.userRegScnConfig(mCurPerfHandle, mPerfServiceWrapper.CMD_SET_CPU_FREQ_MAX, freq, PARAM_DEFAULT_VALUE, PARAM_DEFAULT_VALUE, PARAM_DEFAULT_VALUE);
                // screenOffEnable();
                mPerfServiceWrapper.userEnable(mCurPerfHandle);

                Log.d(TAG, "setCpuFreq freq = " + freq + ", minCpuNumber = " + minCpuNumber + ", maxCpuFreq = " + maxCpuFreq + ", mCurPerfHandle = " + mCurPerfHandle);
            }
        }
    }

    /**
     * CPU mode freq settings
     *
     * @param minCpuNumber
     * @param maxCpuFreq
     * @param mode
     * @param freqMin
     * @param freqMax
     * @param coreMin
     * @param coreMax
     */
    public void setCpu(int minCpuNumber, int maxCpuFreq, int mode, int freqMin, int freqMax, int coreMin, int coreMax, boolean screenOffEnable) {
        userDisableIfNeed();
        if (null != mPerfServiceWrapper) {
            mCurPerfHandle = mPerfServiceWrapper.userReg(minCpuNumber, maxCpuFreq);

            if (PERFHANDLE_ERROR_CODE != mCurPerfHandle) {
                mPerfServiceWrapper.userRegScnConfig(mCurPerfHandle, mPerfServiceWrapper.CMD_SET_VCORE, mode, PARAM_DEFAULT_VALUE, PARAM_DEFAULT_VALUE, PARAM_DEFAULT_VALUE);

                mPerfServiceWrapper.userRegScnConfig(mCurPerfHandle, mPerfServiceWrapper.CMD_SET_CPU_CORE_MIN, coreMin, PARAM_DEFAULT_VALUE, PARAM_DEFAULT_VALUE, PARAM_DEFAULT_VALUE);
                mPerfServiceWrapper.userRegScnConfig(mCurPerfHandle, mPerfServiceWrapper.CMD_SET_CPU_CORE_MAX, coreMax, PARAM_DEFAULT_VALUE, PARAM_DEFAULT_VALUE, PARAM_DEFAULT_VALUE);

                mPerfServiceWrapper.userRegScnConfig(mCurPerfHandle, mPerfServiceWrapper.CMD_SET_CPU_FREQ_MIN, freqMin, PARAM_DEFAULT_VALUE, PARAM_DEFAULT_VALUE, PARAM_DEFAULT_VALUE);
                mPerfServiceWrapper.userRegScnConfig(mCurPerfHandle, mPerfServiceWrapper.CMD_SET_CPU_FREQ_MAX, freqMax, PARAM_DEFAULT_VALUE, PARAM_DEFAULT_VALUE, PARAM_DEFAULT_VALUE);

                if (screenOffEnable) {
                    mPerfServiceWrapper.userRegScnConfig(mCurPerfHandle, mPerfServiceWrapper.CMD_SET_SCREEN_OFF_STATE, mPerfServiceWrapper.SCREEN_OFF_ENABLE, PARAM_DEFAULT_VALUE, PARAM_DEFAULT_VALUE, PARAM_DEFAULT_VALUE);
                }

                mPerfServiceWrapper.userEnable(mCurPerfHandle);

                Log.d(TAG, "setCpu minCpuNumber = " + minCpuNumber + ", maxCpuFreq = " + maxCpuFreq + ", mode = " + mode + ", freqMin = " + freqMin + ", freqMax = " + freqMax + ", coreMin = " + coreMin + ", coreMax = " + coreMax + ", mCurPerfHandle = " + mCurPerfHandle);
            }
        }
    }

    /**
     * 默认灭屏持续生效
     */
    public void screenOffEnable() {
        mPerfServiceWrapper.userRegScnConfig(mCurPerfHandle, mPerfServiceWrapper.CMD_SET_SCREEN_OFF_STATE, mPerfServiceWrapper.SCREEN_OFF_ENABLE, PARAM_DEFAULT_VALUE, PARAM_DEFAULT_VALUE, PARAM_DEFAULT_VALUE);
    }

    /**
     * 取消之前的设置
     */
    public void userDisableIfNeed() {
        if (mCurPerfHandle != PERFHANDLE_ERROR_CODE) {
            mPerfServiceWrapper.userDisable(mCurPerfHandle);
            Log.d(TAG, "userDisableIfNeed  mCurPerfHandle = " + mCurPerfHandle);
        }
    }

    /**
     * 退出注册
     */
    public void userUnreg() {
        if (mCurPerfHandle != PERFHANDLE_ERROR_CODE) {
            mPerfServiceWrapper.userDisable(mCurPerfHandle);
            mPerfServiceWrapper.userUnreg(mCurPerfHandle);
            Log.d(TAG, "userUnreg  mCurPerfHandle = " + mCurPerfHandle);
        }
    }
}

• CpuSettingsFragment.java

    private void startCpuSettings() {
        String vcoreStr = (String) sp_cpu_vcore.getSelectedItem();
        int vcoreMode = 0;
        if (mContext.getString(R.string.settings_cpu_vcore_default).equals(vcoreStr)) {
            vcoreMode = CpuSettingsUtils.VCORE_DEFAULT;
        } else if (mContext.getString(R.string.settings_cpu_vcore_powersave).equals(vcoreStr)) {
            vcoreMode = CpuSettingsUtils.VCORE_POWERSAVE;
        } else if (mContext.getString(R.string.settings_cpu_vcore_perf).equals(vcoreStr)) {
            vcoreMode = CpuSettingsUtils.VCORE_PERF;
        }

        int coreMin = (int) sp_cpu_core_min.getSelectedItem();
        int coreMax = (int) sp_cpu_core_max.getSelectedItem();
        int freqMin = (int) sp_cpu_freq_min.getSelectedItem();
        int freqMax = (int) sp_cpu_freq_max.getSelectedItem();

        String screenOffStr = (String) sp_screenof_enable.getSelectedItem();
        boolean isScreenOffEnable = false;
        if (mContext.getString(R.string.settings_screenoff_enable_yes).equals(screenOffStr)) {
            isScreenOffEnable = true;
        } else {
            isScreenOffEnable = false;
        }

        mCpuSettingsUtils.setCpu(coreMax, freqMax, vcoreMode, freqMin, freqMax, coreMin, coreMax, isScreenOffEnable);
    }

    private void stopCpuSettings() {
        mCpuSettingsUtils.userUnreg();
    }