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Sun, 25 Dec 2022 15:42:32 +0000 (GMT) Received: from smtpav04.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id D291E20040; Sun, 25 Dec 2022 15:42:28 +0000 (GMT) Received: from tarunpc.ibmuc.com (unknown [9.43.100.54]) by smtpav04.fra02v.mail.ibm.com (Postfix) with ESMTP; Sun, 25 Dec 2022 15:42:28 +0000 (GMT) From: Tarun Sahu To: ltp@lists.linux.it Date: Sun, 25 Dec 2022 21:12:03 +0530 Message-Id: <20221225154213.84183-4-tsahu@linux.ibm.com> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20221225154213.84183-1-tsahu@linux.ibm.com> References: <20221225154213.84183-1-tsahu@linux.ibm.com> MIME-Version: 1.0 X-TM-AS-GCONF: 00 X-Proofpoint-ORIG-GUID: Ynsgvvo7mORCbUBQlJOMoU8Qdm6m5YCM X-Proofpoint-GUID: 2Mb6DtqIsYIYEhyl0XoFqb-B30t4A2MT X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.205,Aquarius:18.0.923,Hydra:6.0.545,FMLib:17.11.122.1 definitions=2022-12-25_12,2022-12-23_01,2022-06-22_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 malwarescore=0 mlxlogscore=999 spamscore=0 impostorscore=0 lowpriorityscore=0 clxscore=1015 suspectscore=0 adultscore=0 bulkscore=0 phishscore=0 mlxscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2212070000 definitions=main-2212250138 X-Virus-Scanned: clamav-milter 0.102.4 at in-2.smtp.seeweb.it X-Virus-Status: Clean Subject: [LTP] [PATCH 03/13] Hugetlb: Migrating libhugetlbfs mmap-gettest X-BeenThere: ltp@lists.linux.it X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux Test Project List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: geetika@linux.ibm.com, sbhat@linux.ibm.com, aneesh.kumar@linux.ibm.com, vaibhav@linux.ibm.com, rpalethorpe@suse.com Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: ltp-bounces+ltp=archiver.kernel.org@lists.linux.it Sender: "ltp" Migrating the libhugetlbfs/testcases/mmap-gettest.c test Test Description: This baseline test validates that a mapping of a certain size can be created, correctly. Once created, all the pages are filled with a pattern and rechecked to test for corruption. The mapping is then released. This process is repeated for a specified number of iterations. Signed-off-by: Tarun Sahu --- runtest/hugetlb | 1 + testcases/kernel/mem/.gitignore | 1 + .../kernel/mem/hugetlb/hugemmap/hugemmap22.c | 104 ++++++++++++++++++ 3 files changed, 106 insertions(+) create mode 100644 testcases/kernel/mem/hugetlb/hugemmap/hugemmap22.c diff --git a/runtest/hugetlb b/runtest/hugetlb index 71b4d57e4..8e80db140 100644 --- a/runtest/hugetlb +++ b/runtest/hugetlb @@ -23,6 +23,7 @@ hugemmap18 hugemmap18 hugemmap19 hugemmap19 hugemmap20 hugemmap20 hugemmap21 hugemmap21 +hugemmap22 hugemmap22 hugemmap05_1 hugemmap05 -m hugemmap05_2 hugemmap05 -s hugemmap05_3 hugemmap05 -s -m diff --git a/testcases/kernel/mem/.gitignore b/testcases/kernel/mem/.gitignore index 74edfa392..0fd01dbce 100644 --- a/testcases/kernel/mem/.gitignore +++ b/testcases/kernel/mem/.gitignore @@ -22,6 +22,7 @@ /hugetlb/hugemmap/hugemmap19 /hugetlb/hugemmap/hugemmap20 /hugetlb/hugemmap/hugemmap21 +/hugetlb/hugemmap/hugemmap22 /hugetlb/hugeshmat/hugeshmat01 /hugetlb/hugeshmat/hugeshmat02 /hugetlb/hugeshmat/hugeshmat03 diff --git a/testcases/kernel/mem/hugetlb/hugemmap/hugemmap22.c b/testcases/kernel/mem/hugetlb/hugemmap/hugemmap22.c new file mode 100644 index 000000000..50addbe62 --- /dev/null +++ b/testcases/kernel/mem/hugetlb/hugemmap/hugemmap22.c @@ -0,0 +1,104 @@ +// SPDX-License-Identifier: LGPL-2.1-or-later +/* + * Copyright (C) 2005-2006 IBM Corporation. + * Author: David Gibson & Adam Litke + */ + +/*\ + * [Description] + * + * This baseline test validates that a mapping of a certain size can be + * created, correctly. Once created, all the pages are filled with a + * pattern and rechecked to test for corruption. The mapping is then + * released. This process is repeated for a specified number of + * iterations. + */ + +#include +#include +#include +#include + +#include "hugetlb.h" + +#define ITERATIONS 10 +#define NR_HUGEPAGES 2 +#define MNTPOINT "hugetlbfs/" + +static unsigned long hpage_size; +static int fd = -1; + +static void test_per_iteration(size_t size, int iter) +{ + char *m; + size_t i, j; + char pattern = 'A'; + + fd = tst_creat_unlinked(MNTPOINT, 0); + m = SAFE_MMAP(NULL, size, (PROT_READ|PROT_WRITE), MAP_SHARED, fd, 0); + + for (i = 0; i < NR_HUGEPAGES; i++) { + for (j = 0; j < hpage_size; j++) { + if (*(m+(i*hpage_size)+j) != 0) { + tst_res(TFAIL, "Iter %d: Verifying the mmap area failed. " + "Got %c, expected 0", iter, + *(m+(i*hpage_size)+j)); + goto cleanup; + } + } + } + for (i = 0; i < NR_HUGEPAGES; i++) { + pattern = 65+(i%26); + memset(m+(i*hpage_size), pattern, hpage_size); + } + + for (i = 0; i < NR_HUGEPAGES; i++) { + pattern = 65+(i%26); + for (j = 0; j < hpage_size; j++) { + if (*(m+(i*hpage_size)+j) != pattern) { + tst_res(TFAIL, "Verifying the mmap area failed. " + "got: %c, expected: %c", + *(m+(i*hpage_size)+j), pattern); + goto cleanup; + } + } + } + +cleanup: + SAFE_MUNMAP(m, size); + SAFE_CLOSE(fd); +} + +static void run_test(void) +{ + size_t size; + int i; + + size = NR_HUGEPAGES * hpage_size; + for (i = 0; i < ITERATIONS; i++) + test_per_iteration(size, i); + + tst_res(TPASS, "Successfully verified the mmap area."); +} + +static void setup(void) +{ + hpage_size = SAFE_READ_MEMINFO(MEMINFO_HPAGE_SIZE)*1024; +} + +static void cleanup(void) +{ + if (fd >= 0) + SAFE_CLOSE(fd); +} + +static struct tst_test test = { + .needs_root = 1, + .mntpoint = MNTPOINT, + .needs_hugetlbfs = 1, + .needs_tmpdir = 1, + .setup = setup, + .cleanup = cleanup, + .test_all = run_test, + .hugepages = {NR_HUGEPAGES, TST_NEEDS}, +}; -- 2.31.1 -- Mailing list info: https://lists.linux.it/listinfo/ltp