From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 5F295C433EF for ; Mon, 18 Jul 2022 11:54:17 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232768AbiGRLyQ (ORCPT ); Mon, 18 Jul 2022 07:54:16 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43792 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230182AbiGRLyQ (ORCPT ); Mon, 18 Jul 2022 07:54:16 -0400 Received: from smtp3-g21.free.fr (smtp3-g21.free.fr [212.27.42.3]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1533A62C1 for ; Mon, 18 Jul 2022 04:54:15 -0700 (PDT) Received: from zimbra101-e18.priv.proxad.net (unknown [172.20.243.47]) by smtp3-g21.free.fr (Postfix) with ESMTP id 325CA13FA42; Mon, 18 Jul 2022 13:54:13 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=free.fr; s=smtp-20201208; t=1658145253; bh=I7FKSzLueu1P7KIRZMCV3MOt8mW/btM2+IwilCACofM=; h=Date:From:To:Cc:In-Reply-To:References:Subject:From; b=TvnFjGelqfWte2nI5njjQdnkX2ARaRYWAFO/HRN17g+/sG5/LGIGwxlbOcEi5k0NV pQiayQShTQxBi2dxby4+8OqsXqjp/kQf/WsK3eV6O7DBbb2nUlUAT1o1UZBrV3Dsu1 Xw1VW0xH5UzWY5tCfXMcsaPjcP7lbVuwGzdm39zmm2bsilIFJzlobTTPDTZ11xJHN2 Go9AjzjAhuEvgmBkvg/U/k1fuplsycumCQz1hgiNt2nBfx/RFVLyxxzsIMFK/DFZig PEXBbQkWWcx8iYBytlviRpnfj843pbDR/aNzTHkJGcCYwMnG6Aq5v6xRDGZFYudapH APjuU2DULlJhQ== Date: Mon, 18 Jul 2022 13:54:12 +0200 (CEST) From: o.evistel@free.fr To: Marcelo Ricardo Leitner Cc: linux-sctp Message-ID: <1415376250.448838873.1658145252787.JavaMail.zimbra@free.fr> In-Reply-To: <20220715184858.jnuam6rlhr44ehhw@t14s.localdomain> References: <6f6f11b5c30bce3d6e77d719ef75112dee75250d.profile@marceloleitner.u.sourceforge.net> <1937458162.418765580.1657717120765.JavaMail.zimbra@free.fr> <20220715184858.jnuam6rlhr44ehhw@t14s.localdomain> Subject: Re: Linux SCTP performance question MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable X-Originating-IP: [78.197.34.136] X-Mailer: Zimbra 8.8.7_GA_1002 (ZimbraWebClient - FF101 (Linux)/8.8.7_GA_1002) Thread-Topic: Linux SCTP performance question Thread-Index: K9/u+YEukTRJLKIuPtQnlFNWHWkp5Q== Precedence: bulk List-ID: X-Mailing-List: linux-sctp@vger.kernel.org Thank you Marcelo for your help. Omar AIT AMRANE =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D ----- Mail original ----- De: "Marcelo Ricardo Leitner" =C3=80: "o" Cc: "linux-sctp" Envoy=C3=A9: Vendredi 15 Juillet 2022 20:48:58 Objet: Re: Linux SCTP performance question Hi Omar, Both will end up sending the data with sendmsg(), but sctp_sendv() will allow more flexibility. Unless you save some syscalls because of it, performace wise it should be very similar. Regards, Marcelo On Wed, Jul 13, 2022 at 02:58:40PM +0200, o.evistel@free.fr wrote: > Dear Marcelo >=20 > I am using linux-sctp as transport for SIGTRAN M3UA on RHEL 8.4 and I am = using sctp_sendmsg() and sctp_recvmsg() to send/receive. > I would like to know if the use of sctp_sendv() and sctp_recvv() enhances= performances ? >=20 > Regards > Omar AIT AMRANE >