6.4.3 RN-I PMU event summary

There are nine RN-I PMU events.

The following table shows a summary of the RN-I PMU events.

Table 6-3 RN-I PMU event summary

Number Name Description
1 PMU_RNI_RDATABEATS_P0 Number of RData beats, RVALID and RREADY, dispatched on port 0. This is a measure of the read bandwidth, including CMO responses.
2 PMU_RNI_RDATABEATS_P1 Number of RData beats, RVALID and RREADY, dispatched on port 1. This is a measure of the read bandwidth, including CMO responses.
3 PMU_RNI_RDATABEATS_P2 Number of RData beats, RVALID and RREADY, dispatched on port 2. This is a measure of the read bandwidth, including CMO responses.
4 PMU_RNI_RXDATFLITV Number of RXDAT flits received. This is a measure of the true read data bandwidth, excluding CMOs.
5 PMU_RNI_TXDATFLITV Number of TXDAT flits dispatched. This is a measure of the write bandwidth.
6 PMU_RNI_TXREQFLITV Number of TXREQ flits dispatched. This is a measure of the total request bandwidth.
7 PMU_RNI_TXREQFLITV_RETRIED Number of retried TXREQ flits dispatched. This is a measure of the retry rate.
8 PMU_RNI_RRTFULL All entries in the read request tracker, excluding those reserved for Hi-QPC, are occupied. This is a measure of oversubscription in the read request tracker.
9 PMU_RNI_WRTFULL All entries in the write request tracker, excluding those reserved for Hi-QPC, are occupied. This is a measure of oversubscription in the write request tracker.
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