Electrical computers and digital data processing systems: input/ – Input/output data processing – Peripheral monitoring
Reexamination Certificate
2008-05-13
2008-05-13
Chen, Alan S (Department: 2182)
Electrical computers and digital data processing systems: input/
Input/output data processing
Peripheral monitoring
C700S020000, C700S058000, C702S057000
Reexamination Certificate
active
11282393
ABSTRACT:
An Input/output (I/O) measurement block facility is provided that creates subchannel measurement blocks (comprising device busy values) related to performance of an I/O operation of a subchannel, wherein a device busy time value is a sum of time intervals when the subchannel is device busy during an attempt to initiate any one of a start function or a resume function at the subchannel.
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Carlson Scott M.
Dyck Greg A.
Lu Tan
Oakes Kenneth J.
Riedy, Jr. Dale F.
Campbell John E.
Chen Alan S
International Business Machines - Corporation
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