Infineon Technologies Ag

Andreas Siggelkow

Thomas Zettler

Uma Satya Ranjan

Eckhard Delfs

Gerard David Jennings

Methods and apparatuses for determining a number of clock cycles during an execution of a command by a processor, determining a value associated with the number of clock cycles, storing an indicator indicative of the command, responsive to the value indicative of the execution time exceeding a threshold value.

Determining execution times of commands

A first time indication which can be changed by a user and stored in a first memory. Furthermore, in the case of a change in the first time indication which is performed externally to the checking device, the difference between the stored first time indication and the changed first time indication is determined. Furthermore, it is checked whether a predetermined criterion is met by using a trustworthy second time indication, the first time indication and the difference.

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Erding, Germany

Andreas Siggelkow