From patchwork Sun Mar 24 16:01:14 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Geliang Tang X-Patchwork-Id: 13600855 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 332EE18638 for ; Sun, 24 Mar 2024 16:02:07 +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=1711296128; cv=none; b=dT1ox9GK+Ffr31CJ7XGit7hgo62vn7v7s6Lj3lqloLhYyYYrSsWN/j0L2SxU3OYUejuqrh/s6g/G24Nq1V2pNgDwffm1RWyRXVEhvE7+Ype8pRELEMh972JJfl4DQg51W6W1ETNyqC6t75PeBqxhxTp18/jhnp/sWQ3oSQAIY+w= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711296128; c=relaxed/simple; bh=nYOWAU7sfzIVHuhCPmcHon1XQI6uRYZDP32k3/YsPdQ=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=Bqsh+i8Vfgrxgx4qTm3NNFw54NDtlF/6dBHUKJ0aJcliBP53V6Je2+UsPwoeOUaFiRqqletlTl97wq4MnIJcE7ZiprspD8lmFOeqgNwiNkBtqWzX+tJ81pzzsmaGbE72gt9gUNGAwCec7L/y2K1NRttfCdncZSC/EKhAtmlichw= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=hTeOm+Aw; 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="hTeOm+Aw" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 633EAC43390; Sun, 24 Mar 2024 16:02:06 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1711296127; bh=nYOWAU7sfzIVHuhCPmcHon1XQI6uRYZDP32k3/YsPdQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=hTeOm+Aws61sPh8zivc2imA1dVzOQA8PuE+0UplPBsizMpK0YOOZkvv+eemTdQIiP NeZdNKLrJl9QWxUwT95f9GZINabCCkfhq2awXkBG/nIn+lLna2/p16toKLob5Tm3sW YFF4K98XZ5c/PMrQQjYsM2BxeElwSg9fBS4mCJGTTC4ROpPXZK4KnG+EgXdUuB69eW oy+y8dFO9RdRU0h08F/h6e/aJL9PXb63VEClPGvtIwsKK/EzF2LvDBpy9v9kGHQQdM H2PEWT3TCDs6QUzC4+zXBOo8qbGiJAj7Du+Umz7iRi6WPAYGoGUWs3b2rBhu11am+4 oxv9O3RmnHA8g== From: Geliang Tang To: mptcp@lists.linux.dev Cc: Geliang Tang Subject: [PATCH mptcp-next v3 1/4] Squash to "selftests/bpf: Add bpf scheduler test" fix Date: Mon, 25 Mar 2024 00:01:14 +0800 Message-Id: <311e074a3ca0465bdc5e4c2283e334bae5ccd306.1711296000.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 From: Geliang Tang BPF tests fail sometimes with "bytes != total_bytes" errors: # test_default:PASS:sched_init:default 0 nsec # send_data:PASS:pthread_create 0 nsec # send_data:FAIL:recv 936000 != 10485760 nr_recv:-1 errno:11 # default: 3041 ms # server:FAIL:send 7579500 != 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 = send(fd, &batch, MIN(total_bytes - bytes, sizeof(batch)), 0); - if (nr_sent == -1 && errno == EINTR) + if (nr_sent == -1 && (errno == EINTR || errno == EAGAIN)) continue; if (nr_sent == -1) { err = -errno; @@ -397,7 +397,7 @@ static void send_data(int lfd, int fd, char *msg) while (bytes < total_bytes && !READ_ONCE(stop)) { nr_recv = recv(fd, &batch, MIN(total_bytes - bytes, sizeof(batch)), 0); - if (nr_recv == -1 && errno == EINTR) + if (nr_recv == -1 && (errno == EINTR || errno == EAGAIN)) continue; if (nr_recv == -1) break;