how to find out which device is pcie traffic from

Software Tuning, Performance Optimization & Platform Monitoring

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how to find out which device is pcie traffic from

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When I use pcm-pcie tools to monitor pcie traffic，I find out a large traffic of pcie read from endpoint but pcm-pcie only shows the socket where traffic is going to，no more details about which pcie device is the traffic from.

So my question is，is there any tools I can used to find out which device is pcie traffic from?

thanks

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