Merge "Fix UID tracking in ProcessCpuTracker." into qt-dev (5c5e22e9) · Commits · e / os / android_frameworks_base

core/java/com/android/internal/os/ProcessCpuTracker.java

+12 −2

Original line number	Diff line number	Diff line
		@@ -19,10 +19,10 @@ package com.android.internal.os;
		import static android.os.Process.*;

		import android.annotation.UnsupportedAppUsage;
		import android.os.FileUtils;
		import android.os.Process;
		import android.os.StrictMode;
		import android.os.SystemClock;
		import android.system.ErrnoException;
		import android.system.Os;
		import android.system.OsConstants;
		import android.util.Slog;
		@@ -247,6 +247,7 @@ public class ProcessCpuTracker {
		pid = _pid;
		if (parentPid < 0) {
		final File procDir = new File("/proc", Integer.toString(pid));
		uid = getUid(procDir.toString());
		statFile = new File(procDir, "stat").toString();
		cmdlineFile = new File(procDir, "cmdline").toString();
		threadsDir = (new File(procDir, "task")).toString();
		@@ -262,13 +263,22 @@ public class ProcessCpuTracker {
		parentPid));
		final File taskDir = new File(
		new File(procDir, "task"), Integer.toString(pid));
		uid = getUid(taskDir.toString());
		statFile = new File(taskDir, "stat").toString();
		cmdlineFile = null;
		threadsDir = null;
		threadStats = null;
		workingThreads = null;
		}
		uid = FileUtils.getUid(statFile.toString());
		}

		private static int getUid(String path) {
		try {
		return Os.stat(path).st_uid;
		} catch (ErrnoException e) {
		Slog.w(TAG, "Failed to stat(" + path + "): " + e);
		return -1;
		}
		}
		}