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CHAPTER 2 DEPENDENCE FUNCTIONS
2.6.7 Measuring the Program Execution Cycle Count
This section explains the function of measuring the number of program execution cycles.
■ Measurement Items
This function measures the number of program execution cycles.
The measurement is performed whenever a program is executed, and the measurement result displays the
following two values:
- The number of execution cycles for the previous program execution
The maximum number of cycles that can be measured is "2 to the power of 58 - 1", in other words, up
to 288,230,376,151,711,743 cycles.
- The total number of execution cycles after the previous clear operation
The maximum number of cycles that can be measured is "2 to the power of 64 - 1", in other words, up
to 18,446,744,073,709,551,615 cycles.
■ Displaying Measurement Results
Either of the following methods can be used to display the measurement results.
• Display by dialog
The results appear in the time measurement dialog, which can be displayed by selecting [Debug] – [Time
Measurement] menu.
For details, refer to Section "4.6.8 Time Measurement" in "SOFTUNE Workbench Operation Manual".
• Display by command
Enter the SHOW TIMER command in the command window.
For details, refer to Section "4.27 SHOW TIMER" in "SOFTUNE Workbench Command Reference Manual".
■ Clearing Measurement Results
Either of the following methods can be used to clear the measurement results.
• Clearing by dialog
Click the [Clear] button in the time measurement dialog, which can be displayed by selecting [Debug] –
[Time Measurement] menu.
For details, refer to Section "4.6.8 Time Measurement" in "SOFTUNE Workbench Operation Manual".
• Clearing by command
Enter the CLEAR TIMER command in the command window.
For details, refer to Section "4.28 CLEAR TIMER" in "SOFTUNE Workbench Command Reference Manual".
■ Error Information
Click the [Comment] button in the time measurement dialog to display error information about the
measurement results.