×

Extended input/output measurement block

  • US 20060075154A1
  • Filed: 11/18/2005
  • Published: 04/06/2006
  • Est. Priority Date: 05/12/2003
  • Status: Active Grant
First Claim
Patent Images

1. In a computer channel subsystem, a method for obtaining a block of I/O measurement data, the method comprising the steps of:

  • determining an address of a subchannel measurement block for a subchannel, the subchannel measurement block comprising a device busy time field;

    obtaining measurement data related to performance of an I/O operation of the subchannel, the measurement data comprising a device busy time value, wherein the device busy time value is a sum of time intervals when the subchannel is device busy during an attempt to initiate a start function or a resume function at the subchannel;

    storing the obtained device busy time value in the device busy time field of the subchannel measurement block specified by the obtained address.

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