Fujitsu CM71-00329-7E Manual De Usuario

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CHAPTER2  Dependence Functions
2.1.10.1
Trace Sampling
Trace measurements are made of a program execution status during the interval 
between the start and stop of program execution.
■ Trace Sampling 
While the trace function is enabled, data is always sampled and recorded in the trace buffer during
execution of an execution command.
The program execution aborts due to a break factor such as a breakpoint, terminating the trace.
Furthermore, when the trace buffer becomes full, a program break can be invoked.  This break is called a
trace buffer full break.
■ Frame Number 
A number is assigned to each frame of sampled trace data.  This number is called a frame number.
The frame number is used to specify the display start position of the trace buffer.
The number 0 is assigned to the last-sampled trace data.  Negative values are assigned to trace data that
have been sampled before the arrival at the triggering position.