From owner-freebsd-net@freebsd.org Thu Nov 9 20:33:45 2017 Return-Path: Delivered-To: freebsd-net@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 562C1E5BA48; Thu, 9 Nov 2017 20:33:45 +0000 (UTC) (envelope-from lev@FreeBSD.org) Received: from onlyone.not-for.work (onlyone.not-for.work [148.251.9.81]) by mx1.freebsd.org (Postfix) with ESMTP id 0336777B0D; Thu, 9 Nov 2017 20:33:44 +0000 (UTC) (envelope-from lev@FreeBSD.org) Received: from [192.168.19.110] (unknown [89.113.128.32]) (Authenticated sender: lev@serebryakov.spb.ru) by onlyone.not-for.work (Postfix) with ESMTPSA id 5D99F8ED; Thu, 9 Nov 2017 23:33:43 +0300 (MSK) Reply-To: lev@FreeBSD.org Subject: =?UTF-8?Q?Re:_Intel_I210_=28igb=29_sometimes_consume_all_CPU_on_not?= =?UTF-8?Q?-so-big_traffic_=e2=80=94_need_help!?= To: Michael Sierchio Cc: "freebsd-net@freebsd.org" , freebsd-stable References: <8590fa5d-fd06-90c6-8d3e-34c155423720@FreeBSD.org> From: Lev Serebryakov Organization: FreeBSD Message-ID: <913d5386-9d53-3c32-e109-f7b687b54262@FreeBSD.org> Date: Thu, 9 Nov 2017 23:33:42 +0300 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:52.0) Gecko/20100101 Thunderbird/52.4.0 MIME-Version: 1.0 In-Reply-To: Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="Ckvwnbsg6XMXlPJw98fXgpDhRiwL7U90m" X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 09 Nov 2017 20:33:45 -0000 This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --Ckvwnbsg6XMXlPJw98fXgpDhRiwL7U90m Content-Type: multipart/mixed; boundary="AWjBJl8C2hfgvwGi9cwl7DAOCw8fDiaeS"; protected-headers="v1" From: Lev Serebryakov Reply-To: lev@FreeBSD.org To: Michael Sierchio Cc: "freebsd-net@freebsd.org" , freebsd-stable Message-ID: <913d5386-9d53-3c32-e109-f7b687b54262@FreeBSD.org> Subject: =?UTF-8?Q?Re:_Intel_I210_=28igb=29_sometimes_consume_all_CPU_on_not?= =?UTF-8?Q?-so-big_traffic_=e2=80=94_need_help!?= References: <8590fa5d-fd06-90c6-8d3e-34c155423720@FreeBSD.org> In-Reply-To: --AWjBJl8C2hfgvwGi9cwl7DAOCw8fDiaeS Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: quoted-printable On 09.11.2017 23:23, Michael Sierchio wrote: Nope. > Is device polling enabled? >=20 > - M >=20 > On Thu, Nov 9, 2017 at 12:17 PM, Lev Serebryakov wrot= e: >=20 >> >> I still have problems with my E-1220v3 server equipped with Intel I21= 0 >> adapter. It can not be loaded more than 100Mbit/s because it is >> connection to internet. >> >> But sometimes four interrupt threads "intr{irqXXX: igb0:que Y}" consu= me >> 100% CPU. Interrupt rate is very modest: >> >> % vmstat -i >> interrupt total rate >> ... >> irq276: igb0:que 0 851899713 1193 >> irq277: igb0:que 1 907338150 1271 >> irq278: igb0:que 2 907538207 1271 >> irq279: igb0:que 3 768217584 1076 >> irq280: igb0:link 2 0 >> % >> >> But CPU consumption is 90-100% per thread: >> >> PID USERNAME PRI NICE SIZE RES STATE C TIME WCPU COMMAND >> 11 root -92 - 0K 544K CPU2 2 146:22 98.30% intr{irq278: >> igb0:que 2} >> 11 root -92 - 0K 544K WAIT 0 178:18 81.55% intr{irq276: >> igb0:que 0} >> 11 root -92 - 0K 544K WAIT 1 135:34 77.77% intr{irq277: >> igb0:que 1} >> 11 root -92 - 0K 544K CPU3 3 138:57 67.50% intr{irq279: >> igb0:que 3} >> >> procstat -ak looks suspicious: >> >> % sudo procstat -ak | grep igb0:que >> 11 100056 intr irq276: igb0:que 0 vm_page_scan_contig >> vm_phys_scan_contig vm_page_reclaim_contig kmem_alloc_contig >> mbuf_jumbo_alloc keg_alloc_slab keg_fetch_slab zone_fetch_slab >> zone_import zone_alloc_item uma_zalloc_arg m_getjcl igb_refresh_mbufs >> igb_rxeof igb_msix_que intr_event_execute_handlers ithread_loop fork_e= xit >> 11 100058 intr irq277: igb0:que 1 mi_switch ithread_loop fork_ex= it >> fork_trampoline >> 11 100060 intr irq278: igb0:que 2 mi_switch ithread_loop fork_ex= it >> fork_trampoline >> 11 100062 intr irq279: igb0:que 3 mi_switch ithread_loop fork_ex= it >> fork_trampoline >> % >> >> -- >> // Lev Serebryakov >> >> >=20 >=20 --=20 // Lev Serebryakov --AWjBJl8C2hfgvwGi9cwl7DAOCw8fDiaeS-- --Ckvwnbsg6XMXlPJw98fXgpDhRiwL7U90m Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- iQKTBAEBCgB9FiEE+W0coLX0MYtnSzMK6rA8WL/cR48FAloEu6ZfFIAAAAAALgAo aXNzdWVyLWZwckBub3RhdGlvbnMub3BlbnBncC5maWZ0aGhvcnNlbWFuLm5ldEY5 NkQxQ0EwQjVGNDMxOEI2NzRCMzMwQUVBQjAzQzU4QkZEQzQ3OEYACgkQ6rA8WL/c R4+VKRAAuVsXugJfn2BnorxxnydtIceFNinThHn1MD6OB6l8wAnU+OE+JKg3IhWg 255OWWAgyUyYPVhmpUj596JhT98VjjjAcMrYFGJ9BYO0Eb8vRhX+B4Jcp8ZI3Wtn PT+FUSWRhsQOhSdZ6wopabI2v7JwcLdidpwu1l3uy9ZPQfFHzPQphaguv1YtHUL7 8JH9wd5BqR/llCgYxRDVdd9uMTg81QGvaf6AW0tcUrIvE4t5EkeyJ0CZIuGtEtSw Sjeso00KvJk66Xo9vVCDA4yVMMr14RdwXZQlRfcTKqA3XC/ISJgm0RrkHCGQ/+k1 340zyYqZyy07vssz4BVegMFZajB+nSz5XbO1qDeISlh+AvAVwBSVibGMHgLcxHIW AUkRSL2lcRDNFrbr0oXLqkz03aLfyW9DsYjJOg3ZnXlNfWqepdsUCpjSgdUXKMya 2qUtxeGIVl8j4jWYUZAuyhaMlytfcE93pcbigq5bAEGz3PTR54ScJxroW2Ob0wP9 UJZw4MzimQYg7W/m+fBiAE5czuSdTq4RLVzqhHEAKZZkilsIH1E0J1b7cXg3CB0b Zqe5N6CMEDr92lFgeMHHY6xf52kvEsZt5dhK+SArEUwQKOH5bfDN4PIM1iRnhfW3 2wXLmmKJE6kzJ/WZ2E3RX8PTXdrfEj/Y2BVSofXjdbQDsYFfFj8= =isX7 -----END PGP SIGNATURE----- --Ckvwnbsg6XMXlPJw98fXgpDhRiwL7U90m--