From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id ED9B83CF02C for ; Fri, 15 May 2026 03:59:53 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778817594; cv=none; b=Dg/nbR7a2Rw2iny4BgKgYuFJKd7Hd3MCGjvaUMSsyRW01OAA3/qipRh6wZe6vC9BNKNLbhTL+HP/IqH/6IiDHUEJMf6qby9h7OAjP1erKQxBzx4H+kekafAkZoCL5zIqbSWC2vr0u7vdGGBBqHMs5bMlfOqcRDR4SG6OfvI1YCU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778817594; c=relaxed/simple; bh=3Od4kkRNLxlikYXuXlG/H5V7ye3/kSsGeS8rY1WZhKw=; h=Message-ID:Date:MIME-Version:Subject:To:References:From: In-Reply-To:Content-Type; b=tUR12DvNirWPtsJYjvF6dIa3455dzMC0AQiWHIDpx3zpg14w57DzP+dsQD23iOqmpUrLDkCBOXWXu5bI1pWSTcquMlO4oDuUMYwJuP0RWgCNM9gCdROn9LcW7WzZng0YaTaoRz7z/ns0k475E1jfL+jTpv4Y3wlUeC89eaHuBfM= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=PM18Uld/; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="PM18Uld/" Received: by smtp.kernel.org (Postfix) with ESMTPSA id B93E2C2BCB0 for ; Fri, 15 May 2026 03:59:52 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1778817593; bh=3Od4kkRNLxlikYXuXlG/H5V7ye3/kSsGeS8rY1WZhKw=; h=Date:Subject:To:References:From:In-Reply-To:From; b=PM18Uld/KmckCYdFAtWWu9hx3D9ecQbF+PNwFLVTKSjIK6Eipa/VzLTO33m1EMft3 YaK85W/1JUijv0vuHr3Vcm55+bC7kNn2sgKPxXf6+jl09u+rR6IPYCQpx3a2LiwIZm mEhNXEavv00TLHvzd0j5DSuOLvvO9VOp055Ot8ArjBszrLhVUEgkqG2AXFfnVTqHMa WEz27cuktgz1Ph7yY5ObKjZPt5bFwhkMprEerS96shqPY8Nt6b3jEYZ2w3oA7d2y6g Uxi7ADGvTKMzCNG1Juh2hRTeKJyBfD7p9Nn3qNHDxMii4/iS+OOe4nsS7DKay8eAnH fZNqjWhGWOQaA== Message-ID: <822ad467-2d97-4c2f-8e5b-78be0bd0acf2@kernel.org> Date: Fri, 15 May 2026 05:59:49 +0200 Precedence: bulk X-Mailing-List: mptcp@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Beta Subject: Re: [PATCH mptcp-net] selftests: mptcp: drop nanoseconds width specifier Content-Language: fr To: MPTCP Linux References: <20260515-mptcp-sft-uutils-0-8-0-v1-1-4801c8e16485@kernel.org> From: Matthieu Baerts Autocrypt: addr=matttbe@kernel.org; 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charset=UTF-8 Content-Transfer-Encoding: 7bit Hello, On 15/05/2026 04:11, Matthieu Baerts (NGI0) wrote: > Using the format specifier +%s%3N with GNU date is honoured, and only > prints 3 digits of the nanoseconds portion of the seconds since epoch, > which corresponds to the milliseconds. > > The uutils implementation of date currently does not honour this, and > always prints all 9 digits. This is a known issue [1], but can be worked > around by adapting this test to use nanoseconds instead of microseconds, > and then divide it by 1e6. > > This fix is similar to what has been done on systemd side [2]. I suggest applying this patch, and sending to netdev-net, not to block those using uutils, e.g. on Ubuntu 26.04. I will apply a small change, see below. (...) > diff --git a/tools/testing/selftests/net/mptcp/mptcp_lib.sh b/tools/testing/selftests/net/mptcp/mptcp_lib.sh > index 989a5975dcea..9d3efbfb3015 100644 > --- a/tools/testing/selftests/net/mptcp/mptcp_lib.sh > +++ b/tools/testing/selftests/net/mptcp/mptcp_lib.sh > @@ -236,7 +236,7 @@ mptcp_lib_kversion_ge() { > } > > mptcp_lib_subtests_last_ts_reset() { > - MPTCP_LIB_SUBTESTS_LAST_TS_MS="$(date +%s%3N)" > + MPTCP_LIB_SUBTESTS_LAST_TS_MS="$(date +%s%N)" The suffix should then be _NS instead of _MS. Cheers, Matt -- Sponsored by the NGI0 Core fund.