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$ ynltool qstat
eth0 rx-packets: 493192163 rx-bytes: 1442544543997
tx-packets: 745999838 tx-bytes: 4574215826482
tx-stop: 7033 tx-wake: 7033
$ ynltool qstat show group-by queue
eth0 rx-0 packets: 70196880 bytes: 178633973750
eth0 rx-1 packets: 63623419 bytes: 197274745250
...
eth0 tx-1 packets: 98645810 bytes: 631247647938
stop: 1048 wake: 1048
eth0 tx-2 packets: 86775824 bytes: 563930471952
stop: 1126 wake: 1126
...
$ ynltool -j qstat | jq
[
{
"ifname": "eth0",
"ifindex": 2,
"rx": {
"packets": 493396439,
"bytes": 1443608198921
},
"tx": {
"packets": 746239978,
"bytes": 4574333772645,
"stop": 7072,
"wake": 7072
}
}
]
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Link: https://patch.msgid.link/20251107162227.980672-4-kuba@kernel.org
Acked-by: Stanislav Fomichev <sdf@fomichev.me>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Replace the page-pool sample with page pool support in ynltool.
# ynltool page-pool stats
eth0[2] page pools: 18 (zombies: 0)
refs: 171456 bytes: 702283776 (refs: 0 bytes: 0)
recycling: 97.3% (alloc: 2679:6134966 recycle: 1250981:4719386)
# ynltool -j page-pool stats | jq
[
{
"ifname": "eth0",
"ifindex": 2,
"page_pools": 18,
"zombies": 0,
"live": {
"refs": 171456,
"bytes": 702283776
},
"zombie": {
"refs": 0,
"bytes": 0
},
"recycling_pct": 97.2746,
"alloc": {
"slow": 2679,
"fast": 6135029
},
"recycle": {
"ring": 1250997,
"cache": 4719432
}
}
]
# ynltool page-pool stats group-by pp
pool id: 108 dev: eth0[2] napi: 530
inflight: 9472 pages 38797312 bytes
recycling: 95.5% (alloc: 148:208379 recycle: 45386:153842)
pool id: 107 dev: eth0[2] napi: 529
inflight: 9408 pages 38535168 bytes
recycling: 94.9% (alloc: 147:180178 recycle: 42251:128808)
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Link: https://patch.msgid.link/20251107162227.980672-3-kuba@kernel.org
Acked-by: Stanislav Fomichev <sdf@fomichev.me>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Based on past discussions it seems like integration of YNL into
iproute2 is unlikely. YNL itself is not great as a C library,
since it has no backward compat (we routinely change types).
Most of the operations can be performed with the generic Python
CLI directly. There is, however, a handful of operations where
summarization of kernel output is very useful (mostly related
to stats: page-pool, qstat).
Create a command (inspired by bpftool, I think it stood the test
of time reasonably well) to be able to plug the subcommands into.
Link: https://lore.kernel.org/1754895902-8790-1-git-send-email-ernis@linux.microsoft.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Link: https://patch.msgid.link/20251107162227.980672-2-kuba@kernel.org
Acked-by: Stanislav Fomichev <sdf@fomichev.me>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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