3.3.15 Event Select Registers

These registers determine the event that a particular counter tracks.

Usage constraints
There are no usage constraints.
Configurations
Available in all CCI-550 configurations.
One register exists per counter.
Attributes
See 3.2 Register summary for more information.

Note

You can use event counters in different ways, for example:
  • To measure traffic across all interfaces by using a counter for each interface.
  • To analyze a particular interface by using all the counters to measure a different aspect of the interface.
The following figure shows the bit assignments.
Figure 3-13 evnt_sel register bit assignments
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The following table shows the bit assignments.

Table 3-16 evnt_sel register bit assignments

Bits
Name
Function
[31:9]
Reserved
-
[8:5]
mon_intx
Event code that defines the interface to monitor. See PMU event list.
[4:0]
mon_evtx
Event code that defines the event to monitor. See PMU event list.
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