Useful Commands - Useful Commands

Useful Commands - Useful Commands - UG1586

Onload User Guide (UG1586)

Document ID

UG1586

Release Date

2026-01-22

Revision

1.4 English

To identify NUMA nodes, socket memory and CPU core allocation:
```
# numactl -H
```

To identify the NUMA node local to an adapter:

# cat /sys/class/net/<interface>/device/numa_node

To identify memory allocation and use on a particular NUMA node:
```
# cat /sys/devices/system/node/node<N>/numastat
```

To identify NUMA node mapping to cores, use one of the following:

# numactl --hardware# cat /sys/devices/system/node/node<N>/cpulist