Date: Fri, 13 Jul 2018 14:28:34 +0300 From: Lev Serebryakov <lev@FreeBSD.org> To: freebsd-current@freebsd.org, freebsd-net@freebsd.org Subject: Re: [REGRESSION] Fresh CURRENT consume much more CPU on network traffic (vlans + routing + ipfw with NAT) Message-ID: <4cfd6e7f-6da3-5248-4d39-4d08e491b233@FreeBSD.org> In-Reply-To: <6d8b301b-8ee9-0e8b-80b5-6aced15ca843@FreeBSD.org> References: <6d8b301b-8ee9-0e8b-80b5-6aced15ca843@FreeBSD.org>
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From: Lev Serebryakov <lev@FreeBSD.org>
Reply-To: lev@FreeBSD.org
To: freebsd-current@freebsd.org, freebsd-net@freebsd.org
Message-ID: <4cfd6e7f-6da3-5248-4d39-4d08e491b233@FreeBSD.org>
Subject: Re: [REGRESSION] Fresh CURRENT consume much more CPU on network
traffic (vlans + routing + ipfw with NAT)
References: <6d8b301b-8ee9-0e8b-80b5-6aced15ca843@FreeBSD.org>
In-Reply-To: <6d8b301b-8ee9-0e8b-80b5-6aced15ca843@FreeBSD.org>
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On 13.07.2018 14:10, Lev Serebryakov wrote:
> when system is unresponsive I see this in `top -SH`
>=20
> 100083 root -76 - 0K 272K - 1 291.8H 95.31% kernel{if_io_tqg_1=
}
> 100082 root -76 - 0K 272K - 0 297.7H 95.20% kernel{if_io_tqg_0=
}
>=20
> And it is new to me.
Oh, this MoBo has (and uses) two em0 adapters:
em0@pci0:2:0:0: class=3D0x020000 card=3D0x202c8086 chip=3D0x10d38086 rev=3D=
0x00
hdr=3D0x00
vendor =3D 'Intel Corporation'
device =3D '82574L Gigabit Network Connection'
class =3D network
subclass =3D ethernet
em1@pci0:1:0:0: class=3D0x020000 card=3D0x202c8086 chip=3D0x10d38086 rev=3D=
0x00
hdr=3D0x00
vendor =3D 'Intel Corporation'
device =3D '82574L Gigabit Network Connection'
class =3D network
subclass =3D ethernet
--=20
// Lev Serebryakov
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