在Android设备上更改scaling_governor
大家好，我尝试使用此代码更改 Android 设备上的scaling_governor
String[] args = {"/system/bin/echo userspace >", "/sys/devices/system/cpu/cpu0/cpufreq/scaling_governor"};
ProcessBuilder cmd1;
cmd1 = new ProcessBuilder(args);
Process process = cmd1.start();
，但没有任何改变:(我做错了什么？？
hi guys im trying to change the scaling_governor on android device using this code
String[] args = {"/system/bin/echo userspace >", "/sys/devices/system/cpu/cpu0/cpufreq/scaling_governor"};
ProcessBuilder cmd1;
cmd1 = new ProcessBuilder(args);
Process process = cmd1.start();
but nothing has changed :( what am i doing wrong??
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您的程序是否以
root(euid == 0) 身份运行？缩放调控器仅限于 root 写入：
Is your program running as
root(euid == 0)?The scaling governor is restricted to writing by only root: