Invention Grant
US06930960B2 Execution time measurement device in a control unit and an execution time measurement method
失效
控制单元中的执行时间测量装置和执行时间测量方法
- Patent Title: Execution time measurement device in a control unit and an execution time measurement method
- Patent Title (中): 控制单元中的执行时间测量装置和执行时间测量方法
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Application No.: US10396342Application Date: 2003-03-26
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Publication No.: US06930960B2Publication Date: 2005-08-16
- Inventor: Junji Miyake
- Applicant: Junji Miyake
- Applicant Address: JP Tokyo
- Assignee: Hitachi, Ltd.
- Current Assignee: Hitachi, Ltd.
- Current Assignee Address: JP Tokyo
- Agency: Crowell & Moring LLP
- Priority: JP2002-089566 20020327
- Main IPC: G06F11/34
- IPC: G06F11/34 ; G04F10/00 ; G06F9/46 ; G06F9/48
Abstract:
An execution time measurement device in a control unit comprising a free running counter to be updated according to time, means to push stack for working out stack data from the time-of-day value of the free running counter at the time of activation and for pushing it, means to memorize data structure of stack for memorizing the pushed stack data structure, and means to pull stack for calculating the execution time of control operation based on the time-of-day value of the free running counter upon termination of the control operation and the stack data pulled from the means to memorize data structure of stack.
Public/Granted literature
- US20030187612A1 Execution time measurement device in a control unit and an execution time measurement method Public/Granted day:2003-10-02
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