參數(shù)資料
型號: ID78K3
英文描述: ID78K3 Reference for PC-9801 and 9821 Series (Windows) and IBM PC/ATSeries (Windows) Ver.V1.20 | User's Manual[10/1995]
中文描述: ID78K3參考為PC - 9801和9821系列(Windows)和IBM的PC / ATSeries(Windows)中Ver.V1.20 |用戶手冊[10/1995]
文件頁數(shù): 76/109頁
文件大?。?/td> 1088K
代理商: ID78K3
Chapter 2 Basic Operations 2.9 Measuring the Execution Time
64
2.9.2 Time Measurement Using the Tracer
For measurement of a short section, regularly executed processing, and so forth, the time tag is
useful.
When compared with the execution times displayed in the Timer window, shorter times are
obtained with the time tag. However, the time tag stores multiple data items in trace memory,
so that information such as time distribution data can be checked using a separate tool.
With the time tag, the time from the start of the previous trace operation to the start of the current
trace operation is measured. This measurement is conducted not only while the program is
being executed but also while the program is stopped. This means that the time tag data for the
first program execution frame is meaningless.
Time tag.
The interval from the previous frame to the current frame is displayed. An actual
time, counted in 100 ns steps, is converted to a hexadecimal number for display.
To convert a displayed value to an actual time, convert the displayed value to a
decimal number, then multiply that number by 100 ns.
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