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authorFranck Cuny <franck@fcuny.net>2024-03-10 09:35:50 -0700
committerFranck Cuny <franck@fcuny.net>2024-03-10 09:35:50 -0700
commit3218a873291aa202dc66e3124e3b13e3d7f41966 (patch)
treeb981d59661b6813cc719298fcb8ae91d99319f5f /packages/numap/README.org
parentinstall the zed editor (diff)
downloadinfra-3218a873291aa202dc66e3124e3b13e3d7f41966.tar.gz
delete a bunch of stuff
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-#+TITLE: numap
-
-Print the NUMA topology of a host.
-
-* Usage
-#+BEGIN_SRC sh
-./numap |jq .
-{
- "node0": {
- "name": "node0",
- "path": "/sys/devices/system/node/node0",
- "cpulist": "0-19,40-59",
- "pci_devices": [
- {
- "vendor": "Mellanox Technologies",
- "name": "MT27710 Family [ConnectX-4 Lx]"
- },
- {
- "vendor": "Mellanox Technologies",
- "name": "MT27710 Family [ConnectX-4 Lx]"
- }
- ]
- },
- "node1": {
- "name": "node1",
- "path": "/sys/devices/system/node/node1",
- "cpulist": "20-39,60-79",
- "pci_devices": [
- {
- "vendor": "Intel Corporation",
- "name": "NVMe Datacenter SSD [3DNAND, Beta Rock Controller]"
- }
- ]
- }
-}
-#+END_SRC
-
-The command will scan the host to find the NUMA nodes, and all the PCI devices, and map the PCI devices back to the NUMA node.
-
-It also provides a way to see the list of CPUs attached to the node.
-
-* Limitations
-** Device class
-For now only the following classes of hardware are cared for:
-- NVMe
-- network
-- GPU