InfiniBand performance counter stops counting at 4.3 billion
Issue
- We would like to monitor the throughput of our InfiniBand. However the perf counter stops at 4294967295.
- The InfiniBand performance counters
port_xmit_data,port_rcv_data,port_xmit_packets, andport_rcv_packetsstop counting at the maximum size of a 32-bit integer.
Environment
- Red Hat Enterprise Linux 7
- Red Hat Enterprise Linux 6
- Mellanox
mlx4ormlx5InfiniBand ConnectX HCA perfquerytool frominfiniband-diagspackage for monitoring IB performance
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