Interconnect Performance Counters View

Use the Interconnect Performance Counters view to monitor Processor Sub-System (PSS) bus (VIA) accesses. By default, the Interconnect Performance Counters view opens up as minimised on the PIAnalyzer main view. To view the graphs, click the restore button or the maximize button on the Title bar.

The graph portion of the Performance Counters view displays graphs of the selected traces. From all the IPC counters five different values are collected: cycle, read, write, wait and idle counts. Those are shown on separate lines in the graphs view, and the legend table. To select a trace for the graphs view, click the check box next to the trace name in the legend table.

In the top left-hand corner of each graph line, the following information displayed:

Note that the scaling of the graphs changes according to the maximum values for each graph. You can see the vertical axis values for each graph on the left side of the graph.

You can move the mouse pointer on top of the graph lines to see the values as a tooltip, as shown below in Figure 1.

Figure 1. Interconnect Performance Counters view

A legend table is displayed below the graphs.

Description of the table columns:

Check the boxes at the left side of the table to select the traces for the graphs view.

Columns may be reordered, resized, and sorted by clicking or dragging column headers.

You can right-click on the table to open a context menu, where you can select to copy either selected lines or the entire table to clipboard; or to save the table to CSV format.

Related references