×

ENLIGHTENMENT FOR LOW OVERHEAD HARDWARE ACCESS

  • US 20100250230A1
  • Filed: 03/30/2009
  • Published: 09/30/2010
  • Est. Priority Date: 03/30/2009
  • Status: Active Grant
First Claim
Patent Images

1. A method of operating a computing device, the method comprising:

  • operating at least one physical processor to;

    implement a hypervisor, the hypervisor emulating an emulated processor having a time stamp counter;

    execute computer-executable instructions implementing a computer operating system executing on the emulated processor that performs an operation of computing a normalized reference time,wherein;

    operating at least one physical processor to execute computer-executable instructions implementing a computer operating system comprises performing the operation, the performing comprising;

    reading a timer value from the time stamp counter from the emulated processor;

    obtaining through an interface with the hypervisor a scale factor and an offset; and

    calculating the normalized reference time by applying the offset and the scale factor to the value obtained from the time stamp counter.

View all claims
  • 2 Assignments
Timeline View
Assignment View
    ×
    ×