/proc/mtprof/status: open failed: ENOENT (No such file or directory)

/proc/mtprof/status: open failed: ENOENT (No such file or directory)

I am getting following exception when apps lunch but not crash
LOG::
09-15 17:23:03.504: E/KeyguardUpdateMonitor(236): Object tried to add
another INFO callback 09-15 17:23:03.543: E/AudioYusuHardware(103):
setParameters still have param.size() = 1 09-15 17:23:03.556:
E/WifiStateMachine(236): set suspend optimizations failed! 09-15
17:23:07.368: E/ActivityManager(236): mtprof entry can not found! 09-15
17:23:07.368: E/ActivityManager(236): java.io.FileNotFoundException:
/proc/mtprof/status: open failed: ENOENT (No such file or directory) 09-15
17:23:07.368: E/ActivityManager(236): at
libcore.io.IoBridge.open(IoBridge.java:448) 09-15 17:23:07.368:
E/ActivityManager(236): at
java.io.FileInputStream.(FileInputStream.java:78) 09-15 17:23:07.368:
E/ActivityManager(236): at
java.io.FileInputStream.(FileInputStream.java:105) 09-15 17:23:07.368:
E/ActivityManager(236): at
com.android.server.am.ActivityRecord.mtProf(ActivityRecord.java:852) 09-15
17:23:07.368: E/ActivityManager(236): at
com.android.server.am.ActivityRecord.windowsDrawn(ActivityRecord.java:653)
09-15 17:23:07.368: E/ActivityManager(236): at
com.android.server.am.ActivityRecord$Token.windowsDrawn(ActivityRecord.java:225)
09-15 17:23:07.368: E/ActivityManager(236): at
com.android.server.wm.WindowManagerService$H.handleMessage(WindowManagerService.java:7054)
09-15 17:23:07.368: E/ActivityManager(236): at
android.os.Handler.dispatchMessage(Handler.java:99) 09-15 17:23:07.368:
E/ActivityManager(236): at android.os.Looper.loop(Looper.java:154) 09-15
17:23:07.368: E/ActivityManager(236): at
com.android.server.wm.WindowManagerService$WMThread.run(WindowManagerService.java:756)
09-15 17:23:07.368: E/ActivityManager(236): Caused by:
libcore.io.ErrnoException: open failed: ENOENT (No such file or directory)
09-15 17:23:07.368: E/ActivityManager(236): at
libcore.io.Posix.open(Native Method) 09-15 17:23:07.368:
E/ActivityManager(236): at
libcore.io.BlockGuardOs.open(BlockGuardOs.java:110) 09-15 17:23:07.368:
E/ActivityManager(236): at libcore.io.IoBridge.open(IoBridge.java:432)
09-15 17:23:07.368: E/ActivityManager(236): ... 9 more