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 X-Spam-Level: X-Spam-Status: No, score=-6.5 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id D8845C4CEC4 for ; Mon, 23 Sep 2019 16:18:00 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id A1D5120820 for ; Mon, 23 Sep 2019 16:18:00 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="hjhGikXD" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org A1D5120820 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linaro.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:59168 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iCR2F-00060v-4x for qemu-devel@archiver.kernel.org; Mon, 23 Sep 2019 12:17:59 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:58113) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iCR0B-0004nV-4v for qemu-devel@nongnu.org; Mon, 23 Sep 2019 12:15:52 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1iCR05-0005bB-Oy for qemu-devel@nongnu.org; Mon, 23 Sep 2019 12:15:50 -0400 Received: from mail-wr1-x442.google.com ([2a00:1450:4864:20::442]:39428) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1iCR03-0005Xk-JV for qemu-devel@nongnu.org; Mon, 23 Sep 2019 12:15:44 -0400 Received: by mail-wr1-x442.google.com with SMTP id r3so14661368wrj.6 for ; Mon, 23 Sep 2019 09:15:40 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=references:user-agent:from:to:cc:subject:in-reply-to:date :message-id:mime-version:content-transfer-encoding; bh=905fg85mXotWkndsf9/tYxO8GqAW4/0SR9bLYBe7vQQ=; b=hjhGikXD+VwvsiFmAKRSFul4PtQ9NMNOrqLk8RvGX1uiVtVxod75XECMfNRPA3XXb4 YCv+2MEmHOQe0HAY9dtFsorVC0MSZFzeTcU1h54IIsb8/c9T0fK+7NgtG5F0xEz0UE2N AkHt5FRMuMtULW+Ttcoy+bMfgtqD5kfG/87gvARa+MMxvzzi9Pzg2EmPKTZDSjqSlUXR JnEuI0GEQnEQhZDGzkQx67VLgc/FviEi2gNZuEgZ7W+BdGc2tjbFIJGOyJ9KwdTnF6F4 6TvwmxvFIOd7gmUGfHoo99OvFNr/U1boNgeC6Z3pGhK5wu1cR1p4OxDbqRox0Rs1oABl zKfA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:references:user-agent:from:to:cc:subject :in-reply-to:date:message-id:mime-version:content-transfer-encoding; bh=905fg85mXotWkndsf9/tYxO8GqAW4/0SR9bLYBe7vQQ=; b=JSw77zlkTDSY/MLMZuZIDGbydd9lxECkDl7P1Ry/GtPmSsaJLnZyLPNitxCg6WcsR+ CPvqMbcEBKQ3aLlmm4FwR7u7FEeyPhzBpyylQKQ38jc+Txk/iAh8ONUWtLwpHQjER19G b/08FUT7wsUIcBTK+irsfgSO3x/sRTfvOm1IgIHJyVaw7CWvS2GWvenNaKOgrKeAiBZx d7hqJ0VrJwN4p0UT6xEvn+R7L5kTPQPoWmd/Ld/Mk7xiZnNShbESpUlv+wuSF6KbNuY4 96DXGuyTGcRRiU5myZlTh4dvBS5MEadgIrngbmxs2IfN6CQBqpoVYocEXzSZqhlAHrI9 9mIw== X-Gm-Message-State: APjAAAUMPV7WFSRMUVlgw+9OnoexWiKkZx+0TuK3x0TYmz5dLIdzGUHU Y8Rio1RZItDU2i2M1Nq6GfPgnZwWk8Tp4g== X-Google-Smtp-Source: APXvYqxYFKLTQfmFFNrPFhhv+UCL74NlMHvK/BHp9Mpe0nPtAS/R8hvr4SX6frQiQyl9A8LnZ+PfkQ== X-Received: by 2002:adf:ec85:: with SMTP id z5mr188616wrn.374.1569255339149; Mon, 23 Sep 2019 09:15:39 -0700 (PDT) Received: from zen.linaroharston ([51.148.130.216]) by smtp.gmail.com with ESMTPSA id a7sm12196119wra.43.2019.09.23.09.15.38 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 23 Sep 2019 09:15:38 -0700 (PDT) Received: from zen (localhost [127.0.0.1]) by zen.linaroharston (Postfix) with ESMTP id B16CF1FF87; Mon, 23 Sep 2019 17:15:37 +0100 (BST) References: <20190923131022.15498-1-dgilbert@redhat.com> <20190923131022.15498-3-dgilbert@redhat.com> User-agent: mu4e 1.3.4; emacs 27.0.50 From: Alex =?utf-8?Q?Benn=C3=A9e?= To: "Dr. David Alan Gilbert \(git\)" Subject: Re: [PATCH 2/2] tests/migration/postcopy: trim migration bandwidth In-reply-to: <20190923131022.15498-3-dgilbert@redhat.com> Date: Mon, 23 Sep 2019 17:15:37 +0100 Message-ID: <87tv93at06.fsf@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 2a00:1450:4864:20::442 X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: thuth@redhat.com, qemu-devel@nongnu.org, peterx@redhat.com, quintela@redhat.com Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Dr. David Alan Gilbert (git) writes: > From: "Dr. David Alan Gilbert" > > On slow hosts with tcg we were sometimes finding that the migration > would complete during precopy and never get into the postcopy test. > Trim back the bandwidth a bit to make that much less likely. > > Signed-off-by: Dr. David Alan Gilbert Acked-by: Alex Benn=C3=A9e Tested-by: Alex Benn=C3=A9e > --- > tests/migration-test.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/tests/migration-test.c b/tests/migration-test.c > index 9c62ee5331..221a33d083 100644 > --- a/tests/migration-test.c > +++ b/tests/migration-test.c > @@ -753,7 +753,7 @@ static int migrate_postcopy_prepare(QTestState **from= _ptr, > * quickly, but that it doesn't complete precopy even on a slow > * machine, so also set the downtime. > */ > - migrate_set_parameter_int(from, "max-bandwidth", 100000000); > + migrate_set_parameter_int(from, "max-bandwidth", 30000000); > migrate_set_parameter_int(from, "downtime-limit", 1); > > /* Wait for the first serial output from the source */ -- Alex Benn=C3=A9e