If no argument n is given, the next snapshot is selected. Here are the various forms of using the tfind command. Find the first snapshot in the buffer. No argument means find the next trace snapshot. This permits retracing earlier steps.
Search proceeds forward from the last examined trace snapshot.
If no argument num is given, it means find the next snapshot collected for the same tracepoint as the current snapshot. Find the next snapshot associated with the value addr of the program counter. Search proceeds forward from the last examined trace snapshot. If no argument addr is given, it means find the next snapshot with the same value of PC as the current snapshot. Find the next snapshot associated with the source line n .