Method, system and program for correcting time of event...

Details Method, system and program for correcting time of event... Method, system and program for correcting time of event...

2007-01-09

2008-09-30

Nghiem, Michael P (Department: 2863)

Data processing: measuring, calibrating, or testing

Measurement system

Time duration or rate

C702S089000

Reexamination Certificate

active

07430493

ABSTRACT:
To provide a method of correcting time of event trace data which is capable of correcting a deviation in starting time for collection of trace data. A difference in clock running rate between machines is obtained as a clock skew value by carrying out communications among a plurality of machines to be corrected a plurality of times and by storing operations of each operation as trace data and a required period of time for communications using trace data of a plurality of machines based on data on time when communications are performed and on a required period of time for communications. A time stamp value is corrected by using the obtained clock skew value so that operations of the time stamp coincide with each other.

REFERENCES:
patent: 2003/0145125 (2003-07-01), Horikawa
patent: 2005/0193277 (2005-09-01), Horikawa et al.
patent: 2003-157185 (2003-05-01), None
patent: 2005-235054 (2005-09-01), None

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