Hitachi, Ltd.

Kazuhiro Takada

Makoto Saitoh

Tsutomu Tashiro

Harushi Someya

Nobuo Kotatsu

The status or state of a computer system is displayed with respect to at least one subspace having two or more coordinates of display corresponding respectively to different selected status variables of the computer system, which might be utilization factors of respective programs operating in a network. Critical states are defined by critical state formulas, at least one of which involving a plurality of the status variables. The critical state formulas are used to define and display a critical region on the display apparatus with respect to the coordinate system. Values of the status variables, loci of the status variables, indications of change of the status variables, distances of points defined by the status variables from the critical region and the like information are displayed in a subspace with respect to the coordinates to give a visual indication of their relationship to the critical region. The selection of status variables for display and other information for display is based upon various criteria.

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Shinagawa, Japan

Kazuhiro Takada