From owner-freebsd-transport@freebsd.org Thu Jan 21 22:34:22 2016 Return-Path: Delivered-To: freebsd-transport@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 2AB2FA8C680 for ; Thu, 21 Jan 2016 22:34:22 +0000 (UTC) (envelope-from mmacy@nextbsd.org) Received: from sender163-mail.zoho.com (sender163-mail.zoho.com [74.201.84.163]) (using TLSv1 with cipher ECDHE-RSA-AES128-SHA (128/128 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 1E3701272 for ; Thu, 21 Jan 2016 22:34:21 +0000 (UTC) (envelope-from mmacy@nextbsd.org) Received: from mail.zoho.com by mx.zohomail.com with SMTP id 145341565274672.66706930303178; Thu, 21 Jan 2016 14:34:12 -0800 (PST) Date: Thu, 21 Jan 2016 14:34:12 -0800 From: Matthew Macy To: "Adrian Chadd" Cc: "Ryan Stone" , "" Message-ID: <1526652dd58.117a1e7e938176.477104883701987065@nextbsd.org> In-Reply-To: References: Subject: Re: Flamegraph of 8KB message bottlenecks MIME-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit X-Priority: Medium User-Agent: Zoho Mail X-Mailer: Zoho Mail X-Zoho-Virus-Status: 1 X-BeenThere: freebsd-transport@freebsd.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: Discussions of transport level network protocols in FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 21 Jan 2016 22:34:22 -0000 ~170k interrupts / second for ~800kpps, but at this point clearly all the time is spent on syscall overhead ---- On Thu, 21 Jan 2016 14:11:34 -0800 Adrian Chadd wrote ---- > Well, how many interrupts/second is this seeing? > > > -a > _______________________________________________ > freebsd-transport@freebsd.org mailing list > https://lists.freebsd.org/mailman/listinfo/freebsd-transport > To unsubscribe, send any mail to "freebsd-transport-unsubscribe@freebsd.org" >