FAQs

Version added 21-Jan-2019| Modified 29-Jan-2019

► How to resolve the following error:

Error Installing the perf service ...
luna-send command failed (Unknown method "install" for category "/dev/")

Diagnosis: This error occurs when connecting to a device, if the "dev mode" feature is not enabled on the device.

Resolution: Enable the "dev mode" feature as follows:

  1. Connect to device using an SSH client (like Putty).

  2. Enable the "dev mode" feature by calling the setDevMode method using the luna-send command.

  3. Restart the device.

 

► When are warnings/errors displayed in System CPU view?

Warning and error indicators are shown on the graph when CPU utilization exceeds the following threshold values:

  • Above 80% - Warning 
  • Above 90% - Error

 

► When are warnings/errors displayed in System Memory view?

Warning and error indicators are shown on the graph when memory consumption exceeds the following threshold values:

  • Above 419MB - Warning
  • Above 627MB - Error

 

► When are warnings/errors displayed in Process CPU view?

Warning and error indicators are shown on the graph when CPU utilization exceeds the following threshold values:

  • Above 90% - Warning
  • Above 95% - Error

 

► When are warnings/errors displayed in Process Memory view?

Warning and error indicators are shown on the graph when memory consumption exceeds the following threshold values:

  • Above 250MB - Warning
  • Above 310MB - Error
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