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 5A3D9145334; Wed, 19 Jun 2024 13:01:00 +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=1718802060; cv=none; b=GbbjMcLuejjpBxn5oLJgnHcjBp2Pbb9SRQdbTJ0xGCJvV4IvrAtgUJVsCyANGwYGg0wmZ/HKQqfD6qUxLhaY8VFGEQi77TL0t9MlKVEbl9/oIlFbF4L58NVUFTb7vJQHwowaXsofCkeAcWKb/9aQZDEiZMr1L/ptrfugYIStOhA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1718802060; c=relaxed/simple; bh=Ib7VAmIWNj3bMIlu2cpK+5Js75+f0lDweav4oVDjrtM=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=ugQjdkH2Kc4ZIbFwrmTjuK6gEULNfuH7cSEsj1YbYiTTRSeTjTS4JDcxMXVY3DA1PGICHBmrnNPlxicdz7KAICwTPYce0vogOZ43WZTlz5o8HEKS1F74qD2oJ6W6ESGJ9/fjoMk9IQqz35tnseA9Z++djYdCxCXdAfghD7z1vKc= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=HXrzMfyb; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="HXrzMfyb" Received: by smtp.kernel.org (Postfix) with ESMTPSA id D75B6C4AF1D; Wed, 19 Jun 2024 13:00:59 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1718802060; bh=Ib7VAmIWNj3bMIlu2cpK+5Js75+f0lDweav4oVDjrtM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=HXrzMfyb3RQW9s5M3YAoaacKCcWo45+Z/GsaDy9s0qiuComGt/9AcTLTjHYJ7Z2d/ TUJkBeJhd/K0lWFWjvuFBWVtH5Wr9Zrj1y694lf2yb3KgqAJT+q5YD2rxNJwtvcagw LnDXG9Gtiie6CqYaGNiIPbBRYziN8vFUMLZlynvE= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Muhammad Usama Anjum , Shuah Khan , Andrew Morton , Sasha Levin Subject: [PATCH 6.6 068/267] selftests/mm: conform test to TAP format output Date: Wed, 19 Jun 2024 14:53:39 +0200 Message-ID: <20240619125608.967299967@linuxfoundation.org> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20240619125606.345939659@linuxfoundation.org> References: <20240619125606.345939659@linuxfoundation.org> User-Agent: quilt/0.67 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.6-stable review patch. If anyone has any objections, please let me know. ------------------ From: Muhammad Usama Anjum [ Upstream commit 9a21701edc41465de56f97914741bfb7bfc2517d ] Conform the layout, informational and status messages to TAP. No functional change is intended other than the layout of output messages. Link: https://lkml.kernel.org/r/20240101083614.1076768-1-usama.anjum@collabora.com Signed-off-by: Muhammad Usama Anjum Cc: Shuah Khan Signed-off-by: Andrew Morton Stable-dep-of: d4202e66a4b1 ("selftests/mm: compaction_test: fix bogus test success on Aarch64") Signed-off-by: Sasha Levin --- tools/testing/selftests/mm/compaction_test.c | 91 ++++++++++---------- 1 file changed, 44 insertions(+), 47 deletions(-) diff --git a/tools/testing/selftests/mm/compaction_test.c b/tools/testing/selftests/mm/compaction_test.c index 55dec92e1e58c..f81931c1f8386 100644 --- a/tools/testing/selftests/mm/compaction_test.c +++ b/tools/testing/selftests/mm/compaction_test.c @@ -33,7 +33,7 @@ int read_memory_info(unsigned long *memfree, unsigned long *hugepagesize) FILE *cmdfile = popen(cmd, "r"); if (!(fgets(buffer, sizeof(buffer), cmdfile))) { - perror("Failed to read meminfo\n"); + ksft_print_msg("Failed to read meminfo: %s\n", strerror(errno)); return -1; } @@ -44,7 +44,7 @@ int read_memory_info(unsigned long *memfree, unsigned long *hugepagesize) cmdfile = popen(cmd, "r"); if (!(fgets(buffer, sizeof(buffer), cmdfile))) { - perror("Failed to read meminfo\n"); + ksft_print_msg("Failed to read meminfo: %s\n", strerror(errno)); return -1; } @@ -62,14 +62,14 @@ int prereq(void) fd = open("/proc/sys/vm/compact_unevictable_allowed", O_RDONLY | O_NONBLOCK); if (fd < 0) { - perror("Failed to open\n" - "/proc/sys/vm/compact_unevictable_allowed\n"); + ksft_print_msg("Failed to open /proc/sys/vm/compact_unevictable_allowed: %s\n", + strerror(errno)); return -1; } if (read(fd, &allowed, sizeof(char)) != sizeof(char)) { - perror("Failed to read from\n" - "/proc/sys/vm/compact_unevictable_allowed\n"); + ksft_print_msg("Failed to read from /proc/sys/vm/compact_unevictable_allowed: %s\n", + strerror(errno)); close(fd); return -1; } @@ -78,12 +78,13 @@ int prereq(void) if (allowed == '1') return 0; + ksft_print_msg("Compaction isn't allowed\n"); return -1; } int check_compaction(unsigned long mem_free, unsigned int hugepage_size) { - int fd; + int fd, ret = -1; int compaction_index = 0; char initial_nr_hugepages[10] = {0}; char nr_hugepages[10] = {0}; @@ -94,12 +95,14 @@ int check_compaction(unsigned long mem_free, unsigned int hugepage_size) fd = open("/proc/sys/vm/nr_hugepages", O_RDWR | O_NONBLOCK); if (fd < 0) { - perror("Failed to open /proc/sys/vm/nr_hugepages"); + ksft_test_result_fail("Failed to open /proc/sys/vm/nr_hugepages: %s\n", + strerror(errno)); return -1; } if (read(fd, initial_nr_hugepages, sizeof(initial_nr_hugepages)) <= 0) { - perror("Failed to read from /proc/sys/vm/nr_hugepages"); + ksft_test_result_fail("Failed to read from /proc/sys/vm/nr_hugepages: %s\n", + strerror(errno)); goto close_fd; } @@ -107,7 +110,8 @@ int check_compaction(unsigned long mem_free, unsigned int hugepage_size) /* Start with the initial condition of 0 huge pages*/ if (write(fd, "0", sizeof(char)) != sizeof(char)) { - perror("Failed to write 0 to /proc/sys/vm/nr_hugepages\n"); + ksft_test_result_fail("Failed to write 0 to /proc/sys/vm/nr_hugepages: %s\n", + strerror(errno)); goto close_fd; } @@ -116,14 +120,16 @@ int check_compaction(unsigned long mem_free, unsigned int hugepage_size) /* Request a large number of huge pages. The Kernel will allocate as much as it can */ if (write(fd, "100000", (6*sizeof(char))) != (6*sizeof(char))) { - perror("Failed to write 100000 to /proc/sys/vm/nr_hugepages\n"); + ksft_test_result_fail("Failed to write 100000 to /proc/sys/vm/nr_hugepages: %s\n", + strerror(errno)); goto close_fd; } lseek(fd, 0, SEEK_SET); if (read(fd, nr_hugepages, sizeof(nr_hugepages)) <= 0) { - perror("Failed to re-read from /proc/sys/vm/nr_hugepages\n"); + ksft_test_result_fail("Failed to re-read from /proc/sys/vm/nr_hugepages: %s\n", + strerror(errno)); goto close_fd; } @@ -131,67 +137,58 @@ int check_compaction(unsigned long mem_free, unsigned int hugepage_size) huge pages */ compaction_index = mem_free/(atoi(nr_hugepages) * hugepage_size); - if (compaction_index > 3) { - printf("No of huge pages allocated = %d\n", - (atoi(nr_hugepages))); - fprintf(stderr, "ERROR: Less that 1/%d of memory is available\n" - "as huge pages\n", compaction_index); - goto close_fd; - } - - printf("No of huge pages allocated = %d\n", - (atoi(nr_hugepages))); - lseek(fd, 0, SEEK_SET); if (write(fd, initial_nr_hugepages, strlen(initial_nr_hugepages)) != strlen(initial_nr_hugepages)) { - perror("Failed to write value to /proc/sys/vm/nr_hugepages\n"); + ksft_test_result_fail("Failed to write value to /proc/sys/vm/nr_hugepages: %s\n", + strerror(errno)); goto close_fd; } - close(fd); - return 0; + if (compaction_index > 3) { + ksft_print_msg("ERROR: Less that 1/%d of memory is available\n" + "as huge pages\n", compaction_index); + ksft_test_result_fail("No of huge pages allocated = %d\n", (atoi(nr_hugepages))); + goto close_fd; + } + + ksft_test_result_pass("Memory compaction succeeded. No of huge pages allocated = %d\n", + (atoi(nr_hugepages))); + ret = 0; close_fd: close(fd); - printf("Not OK. Compaction test failed."); - return -1; + return ret; } int main(int argc, char **argv) { struct rlimit lim; - struct map_list *list, *entry; + struct map_list *list = NULL, *entry; size_t page_size, i; void *map = NULL; unsigned long mem_free = 0; unsigned long hugepage_size = 0; long mem_fragmentable_MB = 0; - if (prereq() != 0) { - printf("Either the sysctl compact_unevictable_allowed is not\n" - "set to 1 or couldn't read the proc file.\n" - "Skipping the test\n"); - return KSFT_SKIP; - } + ksft_print_header(); + + if (prereq() != 0) + return ksft_exit_pass(); + + ksft_set_plan(1); lim.rlim_cur = RLIM_INFINITY; lim.rlim_max = RLIM_INFINITY; - if (setrlimit(RLIMIT_MEMLOCK, &lim)) { - perror("Failed to set rlimit:\n"); - return -1; - } + if (setrlimit(RLIMIT_MEMLOCK, &lim)) + ksft_exit_fail_msg("Failed to set rlimit: %s\n", strerror(errno)); page_size = getpagesize(); - list = NULL; - - if (read_memory_info(&mem_free, &hugepage_size) != 0) { - printf("ERROR: Cannot read meminfo\n"); - return -1; - } + if (read_memory_info(&mem_free, &hugepage_size) != 0) + ksft_exit_fail_msg("Failed to get meminfo\n"); mem_fragmentable_MB = mem_free * 0.8 / 1024; @@ -227,7 +224,7 @@ int main(int argc, char **argv) } if (check_compaction(mem_free, hugepage_size) == 0) - return 0; + return ksft_exit_pass(); - return -1; + return ksft_exit_fail(); } -- 2.43.0