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Date:      Thu, 23 Jul 2015 16:14:57 +0300
From:      Dmitry Sivachenko <trtrmitya@gmail.com>
To:        Andriy Gapon <avg@FreeBSD.org>
Cc:        src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-10@freebsd.org, "Andrey V. Elsukov" <ae@FreeBSD.org>, "Alexander V. Chernikov" <melifaro@FreeBSD.org>
Subject:   Re: svn commit: r284998 - in stable/10: cddl/contrib/opensolaris/cmd/lockstat sys/kern sys/sys
Message-ID:  <34BF04C3-CCA1-420C-B161-5F7F020A78BB@gmail.com>
In-Reply-To: <D81958CC-16BA-4C9F-9F4F-077978FE1ED8@gmail.com>
References:  <201507011015.t61AFoNo028793@svn.freebsd.org> <D81958CC-16BA-4C9F-9F4F-077978FE1ED8@gmail.com>

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> On 23 =D0=B8=D1=8E=D0=BB=D1=8F 2015 =D0=B3., at 12:59, Dmitry =
Sivachenko <trtrmitya@gmail.com> wrote:
>=20
>>=20
>> On 1 =D0=B8=D1=8E=D0=BB=D1=8F 2015 =D0=B3., at 13:15, Andriy Gapon =
<avg@FreeBSD.org> wrote:
>>=20
>> Author: avg
>> Date: Wed Jul  1 10:15:49 2015
>> New Revision: 284998
>> URL: https://svnweb.freebsd.org/changeset/base/284998
>>=20
>> Log:
>> MFC r284297: several lockstat improvements
>>=20
>> Modified:
>> stable/10/cddl/contrib/opensolaris/cmd/lockstat/lockstat.c
>> stable/10/sys/kern/kern_mutex.c
>> stable/10/sys/kern/kern_rwlock.c
>> stable/10/sys/kern/kern_sx.c
>> stable/10/sys/sys/lockstat.h
>=20
> Hello,
>=20
> I have a machine running haproxy load balancer in IPv6-only =
environment.
>=20
> After this commit both haproxy and "intr" process consume 2x CPU time =
as before.
> With IPv4 traffic there is no such problem.


I want to also add that this problem exists only when DTRACE-related =
options are included into kernel config file.




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