From nobody Tue Feb 10 00:40:51 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 BB55D54BC4 for ; Thu, 28 Mar 2024 08:05:18 +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=1711613118; cv=none; b=VTpJLj90GNg1kYkPaEsyh6iRtiUkUeJFw7elqV2LsW0V8dmBeUPT6dOrPxVTadmPkAskBNZgg+o6GAYC3Xcag8uTHh7RQMMUZINSK+sksDyp96p6ebokcPP5HyaIDfBaUt9CkEi/ssB8D6u8TZvVn6Wi7HC5q4zNX/IXKLzz0qE= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711613118; c=relaxed/simple; bh=nYOWAU7sfzIVHuhCPmcHon1XQI6uRYZDP32k3/YsPdQ=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=pe1lKXTNCvNb43hhGzVBEYUs5IGL+ieQSZyhvYIRyAa3FPw3DQeADXRoHIEJgeYg/NT/cNHPSuUUqb1BgemSy73GOjWcIfd+gGQMZJWCH+eOvcIJ6vOO8B93ZWpYFGDtfQ72Rjyay0GSx7eOXZ24350CjlqfjKFnqcFEN0394Sc= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=ZFvXz9Ce; 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="ZFvXz9Ce" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 83043C43394; Thu, 28 Mar 2024 08:05:17 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1711613118; bh=nYOWAU7sfzIVHuhCPmcHon1XQI6uRYZDP32k3/YsPdQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=ZFvXz9CegqZ3aZn9tJho+8VwHv2NMiDnVFn7YtI6DMSO3HFNIkxK6M+NwGDxYyjlu pqXUlFKCK4t9zaM0UjyPpREbjGgJCxua546UEeNqb3Vf4kFxvWx01CKxl4xiNoVgz+ Rqb/hc++h0Js8vZf7ALslEPCwgu/8bhs+2TPyEW9iEUaPOLSAgsLFZ8moXAWDaV3bM 0LjkGEImhcXX3cm80InKLTdYGno7JuDRTjsxCVFZywMthnBBlpF6nyc3K8ukAegW// yvrVtyzEIFK6JclLceuSZ+32U2R2VKEvlVHGqBLPK5PwCYZXklG7NbNlD7Blni2kW8 RWCr2DVdhP1pA== From: Geliang Tang To: mptcp@lists.linux.dev Cc: Geliang Tang Subject: [PATCH mptcp-next v5 01/14] Squash to "selftests/bpf: Add bpf scheduler test" - fix Date: Thu, 28 Mar 2024 16:04:48 +0800 Message-Id: <0e49cdf987fe33ca8e6f1531da34874c3a750851.1711612876.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