From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id B0EDFF99C79 for ; Sat, 18 Apr 2026 10:57:36 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 1C6716B0250; Sat, 18 Apr 2026 06:57:36 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 1767C6B0252; Sat, 18 Apr 2026 06:57:36 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 066186B0253; Sat, 18 Apr 2026 06:57:36 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0016.hostedemail.com [216.40.44.16]) by kanga.kvack.org (Postfix) with ESMTP id E68906B0250 for ; Sat, 18 Apr 2026 06:57:35 -0400 (EDT) Received: from smtpin14.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay08.hostedemail.com (Postfix) with ESMTP id B9F80140488 for ; Sat, 18 Apr 2026 10:57:35 +0000 (UTC) X-FDA: 84671375670.14.0F1A630 Received: from sea.source.kernel.org (sea.source.kernel.org [172.234.252.31]) by imf09.hostedemail.com (Postfix) with ESMTP id 16082140006 for ; Sat, 18 Apr 2026 10:57:33 +0000 (UTC) Authentication-Results: imf09.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=Y0ScbXni; spf=pass (imf09.hostedemail.com: domain of rppt@kernel.org designates 172.234.252.31 as permitted sender) smtp.mailfrom=rppt@kernel.org; dmarc=pass (policy=quarantine) header.from=kernel.org ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1776509854; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references:dkim-signature; bh=1Wyah5uEA/szF0vhExaGCaoEg301nCZo17UPal1ZOqg=; b=315bcZ5kSQmgHb+ZIjNVkHDF12ifPNNvRX3cKMEdNNojjAuKAd9Yy151HxSVjpz7D5Ai4z f6TsitAhdNfqjkDKMZQaPTUdHkzwG7LiHKGiMJu+BvfGFJdGAo7zwULs0XpefoDSlmXwft kQTXTk57AjKjdmmbtEeS6nibiX/epB0= ARC-Authentication-Results: i=1; imf09.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=Y0ScbXni; spf=pass (imf09.hostedemail.com: domain of rppt@kernel.org designates 172.234.252.31 as permitted sender) smtp.mailfrom=rppt@kernel.org; dmarc=pass (policy=quarantine) header.from=kernel.org ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1776509854; a=rsa-sha256; cv=none; b=688VH48xzZ62sMcNg6Zbrjxbnq8mP41rTmZRkfdzWDJqz/yoGLtj3rbUguL0rGpoDXqnFs jr2Ck4DXl2ArtSHDFbJhqjqSzka76v6CUxp7RMfJWOrF8Yi/v7wt/1XEM86FW8enS83QVq fcMjJ2M6AciV8pZE6TXa1qd21YUZ0Wc= Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by sea.source.kernel.org (Postfix) with ESMTP id 3CFCA40E2A; Sat, 18 Apr 2026 10:57:33 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 7594BC19424; Sat, 18 Apr 2026 10:57:27 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1776509853; bh=W/Hu2qsaXpGRyFf0ATC603oNW1zzsqQgst2Eeo+Nd7k=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Y0ScbXniyzsFNYebjVotCaILdgbqhAIGBzp2R8i3jCLxPnDtOGD21cCfA9tBWs0GR +jIRXy/Qdfxxc1K9bUCKDr6Qgxf7gDOUwc6xMe7HDr7sTPCm2e3Xoax3Dm9+dfO7Ve hq9UyfQQiRBT8KfQY7CxdcAzVi9g4NfUqFPceACf7+9slxElQgo1vfQS5YG6jpOt54 3/YjL80/kSxq/JR9UQJT5O2fstFBK8rXrQz+kolQ/4WxUX4czwr+Dx+lYBhzMXTH85 sK41rg9yavX3dEb0lrTFHntVriZBvO2vej7DA93Fia6wJSvO66To4zvR7h+mUGUNCK vmxhDQfbJwCyw== 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 , Leon Romanovsky , Lorenzo Stoakes , 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 v2 17/53] selftests/mm: uffd-stress: use kselftest framework Date: Sat, 18 Apr 2026 13:55:02 +0300 Message-ID: <20260418105539.1261536-18-rppt@kernel.org> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260418105539.1261536-1-rppt@kernel.org> References: <20260418105539.1261536-1-rppt@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Stat-Signature: z7bu4frwn3z1937xiijwpybrfdcmzk4q X-Rspam-User: X-Rspamd-Server: rspam02 X-Rspamd-Queue-Id: 16082140006 X-HE-Tag: 1776509853-130915 X-HE-Meta: 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 nnpOSCum rw4BFg8/aG3ZKD4eA34UK1VRLmytpjOPp/uKi19dc57CkSwqbFX+bxYWHgOwJt/N4RSBA52RROBfhy8+M2VHS1p+6Bg8023A+lrBeRfDIKf3O0PyQecUOD+O0upPrpdwk0krj3/e3F+rp2ljxGBEO0s0gYAn6HRdWJwFfOhQK/Nn3q5AUOtMSOaIB5VVTpwlsmPbqw5lA7s+FqPTmxSARYWLJPJ6QZhD+DY89Cw0QvDb7Oy3jgq6OPbQVpK0V9UobBVQA02sViwf/bQs= Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: From: "Mike Rapoport (Microsoft)" Convert uffd-stress test to use kselftest framework for reporting and tracking successful and failing runs. Signed-off-by: Mike Rapoport (Microsoft) --- tools/testing/selftests/mm/uffd-stress.c | 41 +++++++++++------------- 1 file changed, 19 insertions(+), 22 deletions(-) diff --git a/tools/testing/selftests/mm/uffd-stress.c b/tools/testing/selftests/mm/uffd-stress.c index 700fbaa18d44..e92a85463eb1 100644 --- a/tools/testing/selftests/mm/uffd-stress.c +++ b/tools/testing/selftests/mm/uffd-stress.c @@ -286,19 +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(", "); - fflush(stdout); + 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"); if (bounces & BOUNCE_POLL) fcntl(gopts->uffd, F_SETFL, gopts->uffd_flags | O_NONBLOCK); @@ -456,6 +449,9 @@ int main(int argc, char **argv) unsigned long nr_cpus; size_t bytes; + ksft_print_header(); + ksft_set_plan(1); + gopts = (uffd_global_test_opts_t *) malloc(sizeof(uffd_global_test_opts_t)); if (argc < 4) @@ -484,10 +480,8 @@ 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 +497,12 @@ 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 +511,8 @@ 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