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Tue, 1 Jul 2025 20:48:28 +0000 Message-ID: Date: Tue, 1 Jul 2025 13:48:26 -0700 User-Agent: Mozilla Thunderbird Subject: Re: [Intel-wired-lan] Increased memory usage on NUMA nodes with ICE driver after upgrade to 6.13.y (regression in commit 492a044508ad) To: Jaroslav Pulchart CC: Maciej Fijalkowski , Jakub Kicinski , Przemek Kitszel , "intel-wired-lan@lists.osuosl.org" , "Damato, Joe" , "netdev@vger.kernel.org" , "Nguyen, Anthony L" , Michal Swiatkowski , "Czapnik, Lukasz" , "Dumazet, Eric" , "Zaki, Ahmed" , Martin Karsten , "Igor Raits" , Daniel Secik , "Zdenek Pesek" References: <20250625132545.1772c6ab@kernel.org> <08fae312-2e3e-4622-94ab-7960accc8008@intel.com> <366dbe9f-af4d-48ec-879e-1ac54cd5f3b6@intel.com> Content-Language: en-US From: Jacob Keller Autocrypt: addr=jacob.e.keller@intel.com; keydata= xjMEaFx9ShYJKwYBBAHaRw8BAQdAE+TQsi9s60VNWijGeBIKU6hsXLwMt/JY9ni1wnsVd7nN J0phY29iIEtlbGxlciA8amFjb2IuZS5rZWxsZXJAaW50ZWwuY29tPsKTBBMWCgA7FiEEIEBU qdczkFYq7EMeapZdPm8PKOgFAmhcfUoCGwMFCwkIBwICIgIGFQoJCAsCBBYCAwECHgcCF4AA CgkQapZdPm8PKOiZAAEA4UV0uM2PhFAw+tlK81gP+fgRqBVYlhmMyroXadv0lH4BAIf4jLxI UPEL4+zzp4ekaw8IyFz+mRMUBaS2l+cpoBUBzjgEaFx9ShIKKwYBBAGXVQEFAQEHQF386lYe MPZBiQHGXwjbBWS5OMBems5rgajcBMKc4W4aAwEIB8J4BBgWCgAgFiEEIEBUqdczkFYq7EMe apZdPm8PKOgFAmhcfUoCGwwACgkQapZdPm8PKOjbUQD+MsPBANqBUiNt+7w0dC73R6UcQzbg cFx4Yvms6cJjeD4BAKf193xbq7W3T7r9BdfTw6HRFYDiHXgkyoc/2Q4/T+8H In-Reply-To: Content-Type: multipart/signed; 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boundary="------------lHvCjxPmiV0XrS0pYS4bwsL1"; protected-headers="v1" From: Jacob Keller To: Jaroslav Pulchart Cc: Maciej Fijalkowski , Jakub Kicinski , Przemek Kitszel , "intel-wired-lan@lists.osuosl.org" , "Damato, Joe" , "netdev@vger.kernel.org" , "Nguyen, Anthony L" , Michal Swiatkowski , "Czapnik, Lukasz" , "Dumazet, Eric" , "Zaki, Ahmed" , Martin Karsten , Igor Raits , Daniel Secik , Zdenek Pesek Message-ID: Subject: Re: [Intel-wired-lan] Increased memory usage on NUMA nodes with ICE driver after upgrade to 6.13.y (regression in commit 492a044508ad) References: <20250416171311.30b76ec1@kernel.org> <20250625132545.1772c6ab@kernel.org> <08fae312-2e3e-4622-94ab-7960accc8008@intel.com> <366dbe9f-af4d-48ec-879e-1ac54cd5f3b6@intel.com> In-Reply-To: --------------lHvCjxPmiV0XrS0pYS4bwsL1 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable On 6/30/2025 11:48 PM, Jaroslav Pulchart wrote: >> On 6/30/2025 2:56 PM, Jacob Keller wrote: >>> Unfortunately it looks like the fix I mentioned has landed in 6.14, s= o >>> its not a fix for your issue (since you mentioned 6.14 has failed >>> testing in your system) >>> >>> $ git describe --first-parent --contains --match=3Dv* --exclude=3D*rc= * >>> 743bbd93cf29f653fae0e1416a31f03231689911 >>> v6.14~251^2~15^2~2 >>> >>> I don't see any other relevant changes since v6.14. I can try to see = if >>> I see similar issues with CONFIG_MEM_ALLOC_PROFILING on some test >>> systems here. >> >> On my system I see this at boot after loading the ice module from >> >> $ grep -F "/ice/" /proc/allocinfo | sort -g | tail | numfmt --to=3Diec= > >> 26K 230 drivers/net/ethernet/intel/ice/ice_irq.c:84 [ice] >> func:ice_get_irq_res >>> 48K 2 drivers/net/ethernet/intel/ice/ice_arfs.c:565 [= ice] func:ice_init_arfs >>> 57K 226 drivers/net/ethernet/intel/ice/ice_lib.c:397 [i= ce] func:ice_vsi_alloc_ring_stats >>> 57K 226 drivers/net/ethernet/intel/ice/ice_lib.c:416 [i= ce] func:ice_vsi_alloc_ring_stats >>> 85K 226 drivers/net/ethernet/intel/ice/ice_lib.c:1398 [= ice] func:ice_vsi_alloc_rings >>> 339K 226 drivers/net/ethernet/intel/ice/ice_lib.c:1422 [= ice] func:ice_vsi_alloc_rings >>> 678K 226 drivers/net/ethernet/intel/ice/ice_base.c:109 [= ice] func:ice_vsi_alloc_q_vector >>> 1.1M 257 drivers/net/ethernet/intel/ice/ice_fwlog.c:40 [= ice] func:ice_fwlog_alloc_ring_buffs >>> 7.2M 114 drivers/net/ethernet/intel/ice/ice_txrx.c:493 [= ice] func:ice_setup_rx_ring >>> 896M 229264 drivers/net/ethernet/intel/ice/ice_txrx.c:680 [= ice] func:ice_alloc_mapped_page >> >> Its about 1GB for the mapped pages. I don't see any increase moment to= >> moment. I've started an iperf session to simulate some traffic, and I'= ll >> leave this running to see if anything changes overnight. >> >> Is there anything else that you can share about the traffic setup or >> otherwise that I could look into? Your system seems to use ~2.5 x the= >> buffer size as mine, but that might just be a smaller number of CPUs. >> >> Hopefully I'll get some more results overnight. >=20 > The traffic is random production workloads from VMs, using standard > Linux or OVS bridges. There is no specific pattern to it. I haven=E2=80= =99t > had any luck reproducing (or was not patient enough) this with iperf3 > myself. The two active (UP) interfaces are in an LACP bonding setup. > Here are our ethtool settings for the two member ports (em1 and p3p1) >=20 I had iperf3 running overnight and the memory usage for ice_alloc_mapped_pages is constant here. Mine was direct connections without bridge or bonding. From your description I assume there's no XDP happening either. I guess the traffic patterns of an iperf session are too regular, or something to do with bridge or bonding.. but I also struggle to see how those could play a role in the buffer management in the ice driver... --------------lHvCjxPmiV0XrS0pYS4bwsL1-- --------------IeyMGg9bZ83KAjflHZVcXumt Content-Type: application/pgp-signature; name="OpenPGP_signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="OpenPGP_signature.asc" -----BEGIN PGP SIGNATURE----- wnsEABYIACMWIQQgQFSp1zOQVirsQx5qll0+bw8o6AUCaGRJmgUDAAAAAAAKCRBqll0+bw8o6AAS AQCH8c7aNwzI+wXI6RdAlY2uhqcg9+Jc5SSyhIPbBkP0uAEAvsXAkwAYKioqJiEBzYA9gx76g5KC 1MV3R2dZk6/BnAU= =BDRb -----END PGP SIGNATURE----- --------------IeyMGg9bZ83KAjflHZVcXumt--