ub (UB Bandwidth Data)

The timeline information of UB bandwidth data is displayed at the UB layer in the msprof_*.json file, and the summary information is summarized in the ub_*.csv file.

Applicable Products

Product	Supported
Atlas A3 training products/Atlas A3 inference products	x
Atlas A2 training products/Atlas A2 inference products	x
Atlas 200I/500 A2 inference products	x
Atlas inference products	x
Atlas training products	x
Ascend 950PR/Ascend 950DT	√

Data at the UB Layer in msprof_*.json

The following figure shows data at the UB layer in the msprof_*.json file.

Figure 1 UB layer

**Table 1** Field description
Field	Description
UB Port*	Tx/Rx bandwidth for the corresponding UB port. * indicates the port ID.

ub_*.csv File

The following shows the file content format.

Figure 2 ub_*.csv

**Table 2** Field description
Field	Description
Device_id	Device ID.
PortId	Port ID.
TimeStamp	Timestamp, in μs.
UBRxPortBandWidth(MB/s)	UB Rx bandwidth at the current time, in MB/s.
UBTxPortBandWidth(MB/s)	UB Tx bandwidth at the current time, in MB/s.

Parent topic: Profile Data File References