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[Botao Sun <botao.sun@xxxxxxxxxx>]

File structures on ARM Versatile Express A9 board with Linaro Android
image:

https://android-build.linaro.org/builds/~linaro-android/vexpress-
linaro-13.09-release/#build=6

root@vexpress:/sys/kernel/debug # ls -la
drwxr-xr-x root     root              1970-01-01 00:00 bdi
drwxr-xr-x root     root              1970-01-01 00:00 binder
drwxr-xr-x root     root              1970-01-01 00:00 extfrag
-r--r--r-- root     root            0 1970-01-01 00:00 gpio
drwxr-xr-x root     root              1970-01-01 00:00 hid
drwxr-xr-x root     root              1970-01-01 00:00 memblock
drwxr-xr-x root     root              1970-01-01 00:00 mmc0
drwxr-xr-x root     root              1970-01-01 00:00 regulator
-rw-r--r-- root     root            0 1970-01-01 00:00 sched_features
-rw-r--r-- root     root            0 1970-01-01 00:00 shrinker
-r--r--r-- root     root            0 1970-01-01 00:00 sleep_time
-r--r--r-- root     root            0 1970-01-01 00:00 suspend_stats
drwxr-xr-x root     root              1970-01-01 00:00 tracing
drwxr-xr-x root     root              1970-01-01 00:00 usb
-r--r--r-- root     root            0 1970-01-01 00:00 wakeup_sources
root@vexpress:/sys/kernel/debug #

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https://bugs.launchpad.net/bugs/1229658

Title:
  Information is unavailable on "Clocks" & "Gpio" pages in powerdebug
  0.7.1

Status in Powerdebug - a tool to help ARM developers:
  New

Bug description:
  On ARM Versatile Express A9 board with Linaro Android image:

  https://android-build.linaro.org/builds/~linaro-android/vexpress-
  linaro-13.09-release/#build=6

  Information is unavailable on "Clocks" & "Gpio" after launched
  powerdebug version 0.7.1, error output shows as below:

  root@vexpress:/ # powerdebug                                                  
  failed to initialize clock details (check debugfs)
  error: unable to open directory /sys/class/gpio
  failed to initialize gpios
  root@vexpress:/ # 

  Please refer to attachment to get snapshot pictures.

  Note: Please run powerdebug in ADB shell, which the output is well
  formated, however the failure is same as run in serial console.

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