Teledyne LeCroy Sierra M6-4 SAS_SATA Protocol Analyzer User Manual - Manual (Page 124)

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122 Sierra M6‐4 SAS/SATA Protocol Analyzer User Manual
In Advanced Mode, infinite loops are usually used to check if an event occurs before a
timeout. In this case, you can use the Timeout dialog to avoid hardware queue overflow.
Figure 2.88: State Machine with Multiple Patterns and Timer Elapse
In Figure 2.88, the port detects HARD_RESET, which starts the Timer. When the timer
expires, it jumps to another state. If a trigger occurs between timer start and end, the
captured trace will have corrupt frames because of hardware queue overflow.
Figure 2.89: State Machine with Timeout Pattern to Replace Timer