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Android: Pin emu thread to exclusive cores where supported

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This commit is contained in:
Connor McLaughlin
2021-01-27 00:36:13 +10:00
parent 700f916a34
commit 35dc530b9a
3 changed files with 45 additions and 0 deletions
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2
android/app/src/main/java/com/github/stenzek/duckstation/AndroidHostInterface.java
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@ -45,6 +45,8 @@ public class AndroidHostInterface {
static public native String getFullScmVersion();
static public native boolean setThreadAffinity(int[] cpus);
static public native AndroidHostInterface create(Context context, String userDirectory);
public native boolean isEmulationThreadRunning();

16
android/app/src/main/java/com/github/stenzek/duckstation/EmulationThread.java
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@ -1,5 +1,6 @@
package com.github.stenzek.duckstation;
import android.os.Build;
import android.os.Process;
import android.util.Log;
import android.view.Surface;
@ -28,10 +29,25 @@ public class EmulationThread extends Thread {
return thread;
}
private void setExclusiveCores() {
try {
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
int[] cores = Process.getExclusiveCores();
if (cores == null || cores.length == 0)
throw new Exception("Invalid return value from getExclusiveCores()");
AndroidHostInterface.setThreadAffinity(cores);
}
} catch (Exception e) {
Log.e("EmulationThread", "getExclusiveCores() failed");
}
}
@Override
public void run() {
try {
Process.setThreadPriority(Process.THREAD_PRIORITY_MORE_FAVORABLE);
setExclusiveCores();
} catch (Exception e) {
Log.i("EmulationThread", "Failed to set priority for emulation thread: " + e.getMessage());
}