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 7E82D42B747; Mon, 11 May 2026 16:30:54 +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=1778517054; cv=none; b=B77jF4zS5IGxIechyn7dHhMyEC8/P2ujoT11mTsKOr2ECuD7yrO6fdU6a05EbQS1GZS2appyTqj858IKrO/ElC3tGYOsuzR1xI+e8pVnphdKCRu55pupX8KFlyYaLCNuuoNjLhjxaAytF6IqpORWfslRMjuOtrZPCC2GJ7/oBeM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778517054; c=relaxed/simple; bh=4CvakidC4k3PlHx7PmzyhHnywybONIxudHvw8PNsZ80=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=dO5F/6b9EwfMARbRv/pDRYniFtFyudjteNgPFqXETn44pfnhN4NATNh0qQbBLFD9vmc13+CGal9SxtGxjlWyFXKaYl8W6ffInqtI6VyUpVAdjScH1W3DsHxF0n1+88BZUj571IPpcV79oYIRoOLXlIcN+wFcbXBazmfcIVTqduk= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=NU9JP2JG; 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="NU9JP2JG" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 61ADEC2BCB0; Mon, 11 May 2026 16:30:48 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1778517054; bh=4CvakidC4k3PlHx7PmzyhHnywybONIxudHvw8PNsZ80=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=NU9JP2JGlKdbkF1govg9E7TLsQjSR5kMC6HLa5ggp6nmcki1dBrodS+sKXCxaPTVB SHFBZ+oh/fpxHBNks6a7LIBmSkJ6QSsW7nNv5QXwuSyJsnwbBZ9RkGHslDykycu3U9 DcKycPA9eX1qwsKo8gVAI3J6VpMcwMxC+F0To9rCGdmafFO0qon/YT3psLmuHVZE3j wfQBeYuKpF1Wuzvg6nqBIOIV2RCwkTw3uFnaR+qTta7efvhffa4pyU+lH3KotaE+qx +xoGvueKHl+kCfQYuaxJfo2A0I4+Y/gcYqjOJZycIPT5skLl5/B7JVKHGJQWunKGEU y17O9oVDetZyw== From: Mike Rapoport To: Andrew Morton , David Hildenbrand Cc: Baolin Wang , Barry Song , Dev Jain , Donet Tom , Jason Gunthorpe , John Hubbard , "Liam R. Howlett" , Lance Yang , Li Wang , Leon Romanovsky , Lorenzo Stoakes , Luiz Capitulino , Mark Brown , Michal Hocko , Mike Rapoport , Nico Pache , Peter Xu , Ryan Roberts , Sarthak Sharma , Shuah Khan , Suren Baghdasaryan , Vlastimil Babka , Zi Yan , linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org, linux-mm@kvack.org Subject: [PATCH v4 19/55] selftests/mm: uffd-stress: use kselftest framework Date: Mon, 11 May 2026 19:28:03 +0300 Message-ID: <20260511162840.375890-20-rppt@kernel.org> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260511162840.375890-1-rppt@kernel.org> References: <20260511162840.375890-1-rppt@kernel.org> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit From: "Mike Rapoport (Microsoft)" Convert uffd-stress test to use kselftest framework for reporting and tracking successful and failing runs. Reviewed-by: Mark Brown Tested-by: Sarthak Sharma Tested-by: Luiz Capitulino Signed-off-by: Mike Rapoport (Microsoft) --- tools/testing/selftests/mm/uffd-stress.c | 40 +++++++++++------------- 1 file changed, 19 insertions(+), 21 deletions(-) diff --git a/tools/testing/selftests/mm/uffd-stress.c b/tools/testing/selftests/mm/uffd-stress.c index 700fbaa18d44..0ce493dac354 100644 --- a/tools/testing/selftests/mm/uffd-stress.c +++ b/tools/testing/selftests/mm/uffd-stress.c @@ -286,18 +286,12 @@ static int userfaultfd_stress(uffd_global_test_opts_t *gopts) pthread_attr_setstacksize(&attr, 16*1024*1024); while (bounces--) { - printf("bounces: %d, mode:", bounces); - if (bounces & BOUNCE_RANDOM) - printf(" rnd"); - if (bounces & BOUNCE_RACINGFAULTS) - printf(" racing"); - if (bounces & BOUNCE_VERIFY) - printf(" ver"); - if (bounces & BOUNCE_POLL) - printf(" poll"); - else - printf(" read"); - printf(", "); + ksft_print_msg("bounces: %d, mode:%s%s%s%s, ", + bounces, + bounces & BOUNCE_RANDOM ? " rnd" : "", + bounces & BOUNCE_RACINGFAULTS ? " racing" : "", + bounces & BOUNCE_VERIFY ? " ver" : "", + bounces & BOUNCE_POLL ? " poll" : " read"); fflush(stdout); if (bounces & BOUNCE_POLL) @@ -461,6 +455,9 @@ int main(int argc, char **argv) if (argc < 4) usage(); + ksft_print_header(); + ksft_set_plan(1); + if (signal(SIGALRM, sigalrm) == SIG_ERR) err("failed to arm SIGALRM"); alarm(ALARM_INTERVAL_SECS); @@ -484,10 +481,8 @@ int main(int argc, char **argv) * for racy extra reservation of hugepages. */ if (gopts->test_type == TEST_HUGETLB && - get_free_hugepages() < 2 * (bytes / gopts->page_size) + gopts->nr_parallel - 1) { - printf("skip: Skipping userfaultfd... not enough hugepages\n"); - return KSFT_SKIP; - } + get_free_hugepages() < 2 * (bytes / gopts->page_size) + gopts->nr_parallel - 1) + ksft_exit_skip("Skipping userfaultfd... not enough hugepages\n"); gopts->nr_pages_per_cpu = bytes / gopts->page_size / gopts->nr_parallel; if (!gopts->nr_pages_per_cpu) { @@ -503,9 +498,12 @@ int main(int argc, char **argv) } gopts->nr_pages = gopts->nr_pages_per_cpu * gopts->nr_parallel; - printf("nr_pages: %lu, nr_pages_per_cpu: %lu\n", - gopts->nr_pages, gopts->nr_pages_per_cpu); - return userfaultfd_stress(gopts); + ksft_print_msg("nr_pages: %lu, nr_pages_per_cpu: %lu\n", + gopts->nr_pages, gopts->nr_pages_per_cpu); + + ksft_test_result(!userfaultfd_stress(gopts), + "uffd-stress %s\n", argv[1]); + ksft_finished(); } #else /* __NR_userfaultfd */ @@ -514,8 +512,8 @@ int main(int argc, char **argv) int main(void) { - printf("skip: Skipping userfaultfd test (missing __NR_userfaultfd)\n"); - return KSFT_SKIP; + ksft_print_header(); + ksft_exit_skip("missing __NR_userfaultfd definition\n"); } #endif /* __NR_userfaultfd */ -- 2.53.0