From mboxrd@z Thu Jan 1 00:00:00 1970 From: Cosmin GIRADU Subject: Re: [PATCH net-next] net: sched: use pinned timers Date: Wed, 07 Jan 2015 12:06:59 +0200 Message-ID: <54AD0543.1090806@rcs-rds.ro> References: <1411261290.26859.103.camel@edumazet-glaptop2.roam.corp.google.com> <20140926.002710.1595423408687413602.davem@davemloft.net> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="fv8QCOAhQbXDdq86fOPAJV4sxOTpoXUha" Cc: netdev@vger.kernel.org To: eric.dumazet@gmail.com Return-path: Received: from mailproxy2.rcs-rds.ro ([212.54.127.5]:54288 "EHLO mailproxy2.rcs-rds.ro" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752331AbbAGKNA (ORCPT ); Wed, 7 Jan 2015 05:13:00 -0500 In-Reply-To: <20140926.002710.1595423408687413602.davem@davemloft.net> Sender: netdev-owner@vger.kernel.org List-ID: This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --fv8QCOAhQbXDdq86fOPAJV4sxOTpoXUha Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable On 26/09/14 07:27, David Miller wrote: > From: Eric Dumazet > Date: Sat, 20 Sep 2014 18:01:30 -0700 > >> From: Eric Dumazet >> >> While using a MQ + NETEM setup, I had confirmation that the default >> timer migration ( /proc/sys/kernel/timer_migration ) is killing us. >> >> Installing this on a receiver side of a TCP_STREAM test, (NIC has 8 TX= >> queues) : > ... >> Current Qdiscs that benefit from this change are : >> >> netem, cbq, fq, hfsc, tbf, htb. >> >> Signed-off-by: Eric Dumazet > Looks great, applied, thanks Eric. > -- > To unsubscribe from this list: send the line "unsubscribe netdev" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > Hi Eric, I saw that this patch didn't make it's way into the stable branches. So I have two questions: - Would it be safe to apply to linux-3.12.x stable? - If yes, would there be any [noticeable] efects on a [pretty complex] HTB setup? (I know, test and I'll see, but if theory sais I won't, then there would be no point to the test, would there?) Thank you! --=20 Cosmin GIRADU OSS Engineer RCS & RDS - Unified Services Phone: +40-31-400-6323 Mobile: +40-77-020-0858 http://www.rcs-rds.ro =2E......................................................................= =2E.. Privileged/Confidential Information may be contained in this message. If you are not the addressee indicated in this message (or responsible for delivery of the message to such person), you may not copy or deliver this message to anyone. In such a case, you should destroy this message and kindly notify the sender by reply e-mail. --fv8QCOAhQbXDdq86fOPAJV4sxOTpoXUha Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iQEcBAEBAgAGBQJUrQVDAAoJEKIzlqmspKc9K5UH/1sTkNszwXS0fLB34p+cgLkS 9WoM7mfkKUJiUQuH18soaChymoy1ecjYPqBiWYifl+DM8zcMJw1CVL5JlUz1zE+n iaW24lVOBUAKZw5z82zf4XhlJUd9qN/k1tAYUvUHfrL9HwtTIkQDrLnGW9q2Lw1O y3Kia89bgwlUJXYETBINjvPAIujQldEx8wGVtB9cC3UjBMIKsgYW6a6+/q1+8GE0 PcXuNtyIfzJjICNz8lh5fBFaB+7UUoR1dScMtDWoEkERvnkIMnNoCNgW3XyvVnDP tysHoBeGS6Cm8OIKk1+VuR8hw/U994kMUntfEQdxv6XP8pQOyvogYqq07phpPZw= =RKSn -----END PGP SIGNATURE----- --fv8QCOAhQbXDdq86fOPAJV4sxOTpoXUha--