From owner-freebsd-wireless@FreeBSD.ORG Sat Feb 23 20:16:19 2013 Return-Path: Delivered-To: freebsd-wireless@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by hub.freebsd.org (Postfix) with ESMTP id 1E19DF7 for ; Sat, 23 Feb 2013 20:16:19 +0000 (UTC) (envelope-from sven@hazejager.nl) Received: from mail-qc0-f173.google.com (mail-qc0-f173.google.com [209.85.216.173]) by mx1.freebsd.org (Postfix) with ESMTP id D9B90100 for ; Sat, 23 Feb 2013 20:16:18 +0000 (UTC) Received: by mail-qc0-f173.google.com with SMTP id b12so764082qca.32 for ; Sat, 23 Feb 2013 12:16:12 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20120113; h=mime-version:x-received:x-originating-ip:date:message-id:subject :from:to:content-type:x-gm-message-state; bh=xZytFX1OWYbq3trN9/18xO09fCWnXWG9iMuglQJG81U=; b=Ehwlwt8ejOaLgypkzKbHKeFrKOANDDdleCfbZWdqoDM2QP65IBK5uHwyXloE89HEig zGAHyuL4YDfV9SeItNVT0jMg48TsYXcoEi6WvN3YlVPyDTNzIRglO+eHa+vpxH77aXwn c86eqglKxoVvljO5wNd8X+I9l0vtJ202YC/ezNjr/sGfNRY2RSc9LXrd4Iv7VppJEx+0 KrdwP/uCJf+kFsqugZiG9pAt+D0wN9AYICXPvhZs3ys4X2QK/afjV9QvmWyMK99E3FgP k0ztseOQ3at4qRMjpgo/TjZf4HNO3d+LZobdfpr5Xa4zGr2hMiqu6ktaYGkgPWbSrZs4 N01g== MIME-Version: 1.0 X-Received: by 10.224.209.193 with SMTP id gh1mr3938928qab.86.1361650572237; Sat, 23 Feb 2013 12:16:12 -0800 (PST) Received: by 10.49.104.208 with HTTP; Sat, 23 Feb 2013 12:16:12 -0800 (PST) X-Originating-IP: [212.123.177.47] Date: Sat, 23 Feb 2013 21:16:12 +0100 Message-ID: Subject: ath performance degradation between Oct-12 and now? From: Sven Hazejager To: freebsd-wireless@freebsd.org Content-Type: text/plain; charset=ISO-8859-1 X-Gm-Message-State: ALoCoQlhWOmgipIb+xD57S5Mec3X7eRo4SyR7eMUi/4bnPKtJbJBM2k+5uZWy1iR2Ty1Gf95vXAi X-BeenThere: freebsd-wireless@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: "Discussions of 802.11 stack, tools device driver development." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 23 Feb 2013 20:16:19 -0000 I have just upgraded my ALIX router (with an Atheros 9160) from FreeBSD-HEAD r241243 (Oct 6, 2012) to r247155 (today) and I am noticing slightly lower throughput rates. With iperf, sitting 1 meter from the router, I consistently get 79-81 Mbits/sec TCP with r241243. This "drops" to 74-76 in r247155 (never higher than 75.5 actually). The rates also seem to vary a bit more (but that's hard to quantify). Anything I should be looking for? I'm more than happy to share debug output etc. if instructed how to capture. Thanks! Sven