java.io.FileNotFoundException: /sys/devices/system/cpu/cpu0/cpufreq/stats/time_in_state: open failed: ENOENT (No such file or directory)

Stack Overflow | Anton Wycoco | 6 months ago
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Root Cause Analysis

  1. android.system.ErrnoException

    open failed: ENOENT (No such file or directory)

    at libcore.io.Posix.open()
  2. Android
    IoBridge.open
    1. libcore.io.Posix.open(Native Method)
    2. libcore.io.BlockGuardOs.open(BlockGuardOs.java:186)
    3. libcore.io.IoBridge.open(IoBridge.java:438)
    3 frames
  3. Java RT
    FileReader.<init>
    1. java.io.FileInputStream.<init>(FileInputStream.java:76)
    2. java.io.FileInputStream.<init>(FileInputStream.java:103)
    3. java.io.FileReader.<init>(FileReader.java:66)
    3 frames
  4. Android
    BatteryStatsService$BatteryStatsHandler.handleMessage
    1. com.android.internal.os.KernelCpuSpeedReader.readDelta(KernelCpuSpeedReader.java:49)
    2. com.android.internal.os.BatteryStatsImpl.updateCpuTimeLocked(BatteryStatsImpl.java:8002)
    3. com.android.server.am.BatteryStatsService.updateExternalStats(BatteryStatsService.java:1366)
    4. com.android.server.am.BatteryStatsService$BatteryStatsHandler.handleMessage(BatteryStatsService.java:125)
    4 frames
  5. Android Platform
    HandlerThread.run
    1. android.os.Handler.dispatchMessage(Handler.java:102)
    2. android.os.Looper.loop(Looper.java:148)
    3. android.os.HandlerThread.run(HandlerThread.java:61)
    3 frames
  6. Android
    ServiceThread.run
    1. com.android.server.ServiceThread.run(ServiceThread.java:46)
    1 frame