Teledyne LeCroy STX M6-1 SAS_SATA Protocol Analyzer User Manual - Manual (Page 160)

LeCroy Corporation Performance Analysis
158 Sierra M6‐4 SAS/SATA Protocol Analyzer User Manual
Define Performance
Click the Performance Item check box in the Performance Items tab. Performance
measurement has the following categories:
 Link Usage:
 Bus Utilization (Ratio of frame time to update interval)
 Transmission Efficiency (Ratio of payload time to frame time)
 Throughput (Quantity of payload or useful data transferred during update
interval)
 Average Payload Size (Ratio of overall payload size to number of data frame)
 Completed Command Rate (Ratio of completed commands to total com‐
mands)
 Data Efficiency (Ratio of data payload time to data frame time)
 Event Counts:
 Number of Frame Events
 SCSI Command Number
 Number of Data Frame Events
 Number of Protocol Errors
 Number of Completed Commands
 Number of Command Events
 Event Times:
 Total Frame Event Time
 Total Data Frame Time
 Total Data Payload Time
 Total Idle Time
Settings
Click the Setting tab to display the settings dialog .
Figure 2.162: SAS: Settings Dialog