From nobody Mon Feb 9 20:36:58 2026 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 8A0E4364BF for ; Wed, 27 Mar 2024 09:02:01 +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=1711530121; cv=none; b=ld2IgXjVxgmPBvFWUHC1yaA1RFKGdR1/uDm/X0U6KQ1gQwBXBk6SUX+jYNMiI4rPRK+9I3LciG3c+uTZzpQJWwTU/fLnrsvKTenC1XnS1hQKJ3iZgPSWP0xNGsicKn7isGZiglBmtxKjUAfpzYL4QSM/soyW4aB9LQA108eVv4s= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711530121; c=relaxed/simple; bh=nYOWAU7sfzIVHuhCPmcHon1XQI6uRYZDP32k3/YsPdQ=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=HaKodIWLrQ8qA1xiYnpjzcGJRH2WyeT2o/ZUQNUe9MEchm/l+cuISgRP8srJPVB2Ax1A2S7icPVYTlHcYLxv0SdjynTggG/W+NFZxA8N49BUE/EZIGhj46mABBetgF/6pZdcStLi7l9cAF53nZbrKtDjaA+Y3LxtmwmdPG3Dd+c= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=I1TDSH8e; 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="I1TDSH8e" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 995DCC43399; Wed, 27 Mar 2024 09:01:59 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1711530121; bh=nYOWAU7sfzIVHuhCPmcHon1XQI6uRYZDP32k3/YsPdQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=I1TDSH8eIANEAttX0O0YQcmV6a/k1LkOOFG6zObm14A/wSrjRvoYiGPaXbK9Z9Ag4 s7kSQ6oz2vayCwWHRLpE5dnILTh/UjACtw+NLzdYTLnYuCHbhWVD9WIoxsSlA0lSxI I4HdCuO3JRC2h/rSoWTuYgfY/tApBxroLwkVmtIoPiVVCUswzsbahHsb/WRdXzL/fK /WJztV40QRmW0rEHmXtk3dys9GMCfo0fMcZd1Sw0PhS+Y9PXYwp5Bjv9uaJbSN6g7b lzGKD8ghjEPpK/NJUHcSLAwSXDgFye6/JUmSzSGh7hfZo2xz3ebSB5/3dQSXCQFCiK Jy0JmV59H0oGQ== From: Geliang Tang To: mptcp@lists.linux.dev Cc: Geliang Tang Subject: [PATCH mptcp-next v4 01/11] Squash to "selftests/bpf: Add bpf scheduler test" fix Date: Wed, 27 Mar 2024 17:01:39 +0800 Message-Id: <93b646ade5fec9bf710a722bcf3ff29b3579b429.1711529752.git.tanggeliang@kylinos.cn> X-Mailer: git-send-email 2.40.1 In-Reply-To: References: Precedence: bulk X-Mailing-List: mptcp@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" From: Geliang Tang BPF tests fail sometimes with "bytes !=3D total_bytes" errors: # test_default:PASS:sched_init:default 0 nsec # send_data:PASS:pthread_create 0 nsec # send_data:FAIL:recv 936000 !=3D 10485760 nr_recv:-1 errno:11 # default: 3041 ms # server:FAIL:send 7579500 !=3D 10485760 nr_sent:-1 errno:11 # send_data:FAIL:pthread_join thread_ret:-11 \ test_default:PASS:has_bytes_sent addr_1 0 nsec # test_default:PASS:has_bytes_sent addr_2 0 nsec # close_netns:PASS:setns 0 nsec Here errno 11 is EAGAIN, sending should continue in this case, not break. This patch makes BPF tests stable. Signed-off-by: Geliang Tang --- tools/testing/selftests/bpf/prog_tests/mptcp.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/tools/testing/selftests/bpf/prog_tests/mptcp.c b/tools/testing= /selftests/bpf/prog_tests/mptcp.c index 6e28215d7404..7fec91ab19cf 100644 --- a/tools/testing/selftests/bpf/prog_tests/mptcp.c +++ b/tools/testing/selftests/bpf/prog_tests/mptcp.c @@ -353,7 +353,7 @@ static void *server(void *arg) while (bytes < total_bytes && !READ_ONCE(stop)) { nr_sent =3D send(fd, &batch, MIN(total_bytes - bytes, sizeof(batch)), 0); - if (nr_sent =3D=3D -1 && errno =3D=3D EINTR) + if (nr_sent =3D=3D -1 && (errno =3D=3D EINTR || errno =3D=3D EAGAIN)) continue; if (nr_sent =3D=3D -1) { err =3D -errno; @@ -397,7 +397,7 @@ static void send_data(int lfd, int fd, char *msg) while (bytes < total_bytes && !READ_ONCE(stop)) { nr_recv =3D recv(fd, &batch, MIN(total_bytes - bytes, sizeof(batch)), 0); - if (nr_recv =3D=3D -1 && errno =3D=3D EINTR) + if (nr_recv =3D=3D -1 && (errno =3D=3D EINTR || errno =3D=3D EAGAIN)) continue; if (nr_recv =3D=3D -1) break; --=20 2.40.1