From patchwork Fri Jan 12 07:21:36 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Muhammad Usama Anjum X-Patchwork-Id: 762588 Received: from madrid.collaboradmins.com (madrid.collaboradmins.com [46.235.227.194]) (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 D343F5D739; Fri, 12 Jan 2024 07:21:45 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=collabora.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=collabora.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=collabora.com header.i=@collabora.com header.b="o2hlImZO" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1705044104; bh=COa40clGVU4MtL/28A+nBi1NMczqiOUny8LpI5UZWfU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=o2hlImZOxOK3jNnHB4DZ2bl0Y0yG2q3ysVEAdy/yIKLQr+hGJ+WQAsedDZ7L14zlO 3we/fyKiRTuiWDY7S9boa/Xwas3RkK4/gSaPAimQOvUrjm1IYm6v93IwZEnmP8nSnQ suDrT27Zxzetg5lp0VuOmoXfVzTl3dYF7IFCHbCxldIX1kFq1tdM0k/rR3BoM9zD8H e76wdxChRp/RlDkozn1GXk2wawTmVN+NzKNsColBZkVtVPpQSUqHw9ZLQrsrbCr70K GAjtbgnhxn4yV54hFNhOZXqSyS09colCZv3rPd29yCPZhda+PWCLrZtOQhQ0JjqU+a smgHLgLHky3ng== Received: from localhost.localdomain (cola.collaboradmins.com [195.201.22.229]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: usama.anjum) by madrid.collaboradmins.com (Postfix) with ESMTPSA id 86EB43782031; Fri, 12 Jan 2024 07:21:42 +0000 (UTC) From: Muhammad Usama Anjum To: Andrew Morton , Shuah Khan Cc: Muhammad Usama Anjum , kernel@collabora.com, linux-mm@kvack.org, linux-kselftest@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v2 3/7] selftests/mm: hugetlb-madvise: conform test to TAP format output Date: Fri, 12 Jan 2024 12:21:36 +0500 Message-ID: <20240112072144.620098-3-usama.anjum@collabora.com> X-Mailer: git-send-email 2.42.0 In-Reply-To: <20240112072144.620098-1-usama.anjum@collabora.com> References: <20240112072144.620098-1-usama.anjum@collabora.com> Precedence: bulk X-Mailing-List: linux-kselftest@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Conform the layout, informational and status messages to TAP. No functional change is intended other than the layout of output messages. Signed-off-by: Muhammad Usama Anjum --- tools/testing/selftests/mm/hugetlb-madvise.c | 209 +++++++------------ 1 file changed, 81 insertions(+), 128 deletions(-) diff --git a/tools/testing/selftests/mm/hugetlb-madvise.c b/tools/testing/selftests/mm/hugetlb-madvise.c index f32d99565c5e..4848200f801f 100644 --- a/tools/testing/selftests/mm/hugetlb-madvise.c +++ b/tools/testing/selftests/mm/hugetlb-madvise.c @@ -19,19 +19,14 @@ #include #include #include "vm_util.h" +#include "../kselftest.h" #define MIN_FREE_PAGES 20 #define NR_HUGE_PAGES 10 /* common number of pages to map/allocate */ -#define validate_free_pages(exp_free) \ - do { \ - int fhp = get_free_hugepages(); \ - if (fhp != (exp_free)) { \ - printf("Unexpected number of free huge " \ - "pages line %d\n", __LINE__); \ - exit(1); \ - } \ - } while (0) +#define validate_free_pages(exp_free) \ + ksft_test_result(get_free_hugepages() == (exp_free), \ + "Validation of free pages (%d)\n", __LINE__) unsigned long huge_page_size; unsigned long base_page_size; @@ -64,28 +59,27 @@ int main(int argc, char **argv) int fd; int ret; + ksft_print_header(); + huge_page_size = default_huge_page_size(); - if (!huge_page_size) { - printf("Unable to determine huge page size, exiting!\n"); - exit(1); - } + if (!huge_page_size) + ksft_exit_fail_msg("Unable to determine huge page size, exiting!\n"); + base_page_size = sysconf(_SC_PAGE_SIZE); - if (!huge_page_size) { - printf("Unable to determine base page size, exiting!\n"); - exit(1); - } + if (!huge_page_size) + ksft_exit_fail_msg("Unable to determine base page size, exiting!\n"); free_hugepages = get_free_hugepages(); if (free_hugepages < MIN_FREE_PAGES) { - printf("Not enough free huge pages to test, exiting!\n"); - exit(1); + ksft_print_msg("Not enough free huge pages to test, exiting!\n"); + ksft_finished(); } fd = memfd_create(argv[0], MFD_HUGETLB); - if (fd < 0) { - perror("memfd_create() failed"); - exit(1); - } + if (fd < 0) + ksft_exit_fail_msg("memfd_create() failed\n"); + + ksft_set_plan(37); /* * Test validity of MADV_DONTNEED addr and length arguments. mmap @@ -97,16 +91,13 @@ int main(int argc, char **argv) PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANONYMOUS | MAP_HUGETLB, -1, 0); - if (addr == MAP_FAILED) { - perror("mmap"); - exit(1); - } + if (addr == MAP_FAILED) + ksft_exit_fail_msg("mmap: %s\n", strerror(errno)); + if (munmap(addr, huge_page_size) || - munmap(addr + (NR_HUGE_PAGES + 1) * huge_page_size, - huge_page_size)) { - perror("munmap"); - exit(1); - } + munmap(addr + (NR_HUGE_PAGES + 1) * huge_page_size, huge_page_size)) + ksft_exit_fail_msg("munmap: %s\n", strerror(errno)); + addr = addr + huge_page_size; write_fault_pages(addr, NR_HUGE_PAGES); @@ -114,21 +105,13 @@ int main(int argc, char **argv) /* addr before mapping should fail */ ret = madvise(addr - base_page_size, NR_HUGE_PAGES * huge_page_size, - MADV_DONTNEED); - if (!ret) { - printf("Unexpected success of madvise call with invalid addr line %d\n", - __LINE__); - exit(1); - } + MADV_DONTNEED); + ksft_test_result(ret, "The madvise call with invalid address\n"); /* addr + length after mapping should fail */ ret = madvise(addr, (NR_HUGE_PAGES * huge_page_size) + base_page_size, - MADV_DONTNEED); - if (!ret) { - printf("Unexpected success of madvise call with invalid length line %d\n", - __LINE__); - exit(1); - } + MADV_DONTNEED); + ksft_test_result(ret, "The madvise call with invalid address\n"); (void)munmap(addr, NR_HUGE_PAGES * huge_page_size); @@ -139,10 +122,9 @@ int main(int argc, char **argv) PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANONYMOUS | MAP_HUGETLB, -1, 0); - if (addr == MAP_FAILED) { - perror("mmap"); - exit(1); - } + if (addr == MAP_FAILED) + ksft_exit_fail_msg("mmap: %s\n", strerror(errno)); + write_fault_pages(addr, NR_HUGE_PAGES); validate_free_pages(free_hugepages - NR_HUGE_PAGES); @@ -150,19 +132,12 @@ int main(int argc, char **argv) ret = madvise(addr + base_page_size, NR_HUGE_PAGES * huge_page_size - base_page_size, MADV_DONTNEED); - if (!ret) { - printf("Unexpected success of madvise call with unaligned start address %d\n", - __LINE__); - exit(1); - } + ksft_test_result(ret, "The madvise call with unaligned start address\n"); /* addr + length should be aligned down to huge page size */ - if (madvise(addr, - ((NR_HUGE_PAGES - 1) * huge_page_size) + base_page_size, - MADV_DONTNEED)) { - perror("madvise"); - exit(1); - } + ret = madvise(addr, ((NR_HUGE_PAGES - 1) * huge_page_size) + base_page_size, + MADV_DONTNEED); + ksft_test_result(!ret, "The madvise call with aligned start address\n"); /* should free all but last page in mapping */ validate_free_pages(free_hugepages - 1); @@ -177,17 +152,14 @@ int main(int argc, char **argv) PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANONYMOUS | MAP_HUGETLB, -1, 0); - if (addr == MAP_FAILED) { - perror("mmap"); - exit(1); - } + if (addr == MAP_FAILED) + ksft_exit_fail_msg("mmap: %s\n", strerror(errno)); + write_fault_pages(addr, NR_HUGE_PAGES); validate_free_pages(free_hugepages - NR_HUGE_PAGES); - if (madvise(addr, NR_HUGE_PAGES * huge_page_size, MADV_DONTNEED)) { - perror("madvise"); - exit(1); - } + ret = madvise(addr, NR_HUGE_PAGES * huge_page_size, MADV_DONTNEED); + ksft_test_result(!ret, "The madvise MADV_DONTNEED on anonymous private mapping\n"); /* should free all pages in mapping */ validate_free_pages(free_hugepages); @@ -197,29 +169,25 @@ int main(int argc, char **argv) /* * Test MADV_DONTNEED on private mapping of hugetlb file */ - if (fallocate(fd, 0, 0, NR_HUGE_PAGES * huge_page_size)) { - perror("fallocate"); - exit(1); - } + if (fallocate(fd, 0, 0, NR_HUGE_PAGES * huge_page_size)) + ksft_exit_fail_msg("fallocate: %s\n", strerror(errno)); + validate_free_pages(free_hugepages - NR_HUGE_PAGES); addr = mmap(NULL, NR_HUGE_PAGES * huge_page_size, PROT_READ | PROT_WRITE, MAP_PRIVATE, fd, 0); - if (addr == MAP_FAILED) { - perror("mmap"); - exit(1); - } + if (addr == MAP_FAILED) + ksft_exit_fail_msg("mmap: %s\n", strerror(errno)); /* read should not consume any pages */ read_fault_pages(addr, NR_HUGE_PAGES); validate_free_pages(free_hugepages - NR_HUGE_PAGES); /* madvise should not free any pages */ - if (madvise(addr, NR_HUGE_PAGES * huge_page_size, MADV_DONTNEED)) { - perror("madvise"); - exit(1); - } + ret = madvise(addr, NR_HUGE_PAGES * huge_page_size, MADV_DONTNEED); + ksft_test_result(!ret, "The madvise MADV_DONTNEED on private mapping of file\n"); + validate_free_pages(free_hugepages - NR_HUGE_PAGES); /* writes should allocate private pages */ @@ -227,10 +195,9 @@ int main(int argc, char **argv) validate_free_pages(free_hugepages - (2 * NR_HUGE_PAGES)); /* madvise should free private pages */ - if (madvise(addr, NR_HUGE_PAGES * huge_page_size, MADV_DONTNEED)) { - perror("madvise"); - exit(1); - } + ret = madvise(addr, NR_HUGE_PAGES * huge_page_size, MADV_DONTNEED); + ksft_test_result(!ret, "The madvise MADV_DONTNEED on private mapping of file\n"); + validate_free_pages(free_hugepages - NR_HUGE_PAGES); /* writes should allocate private pages */ @@ -245,10 +212,9 @@ int main(int argc, char **argv) * implementation. */ if (fallocate(fd, FALLOC_FL_PUNCH_HOLE | FALLOC_FL_KEEP_SIZE, - 0, NR_HUGE_PAGES * huge_page_size)) { - perror("fallocate"); - exit(1); - } + 0, NR_HUGE_PAGES * huge_page_size)) + ksft_exit_fail_msg("fallocate: %s\n", strerror(errno)); + validate_free_pages(free_hugepages); (void)munmap(addr, NR_HUGE_PAGES * huge_page_size); @@ -256,29 +222,25 @@ int main(int argc, char **argv) /* * Test MADV_DONTNEED on shared mapping of hugetlb file */ - if (fallocate(fd, 0, 0, NR_HUGE_PAGES * huge_page_size)) { - perror("fallocate"); - exit(1); - } + if (fallocate(fd, 0, 0, NR_HUGE_PAGES * huge_page_size)) + ksft_exit_fail_msg("fallocate: %s\n", strerror(errno)); + validate_free_pages(free_hugepages - NR_HUGE_PAGES); addr = mmap(NULL, NR_HUGE_PAGES * huge_page_size, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0); - if (addr == MAP_FAILED) { - perror("mmap"); - exit(1); - } + if (addr == MAP_FAILED) + ksft_exit_fail_msg("mmap: %s\n", strerror(errno)); /* write should not consume any pages */ write_fault_pages(addr, NR_HUGE_PAGES); validate_free_pages(free_hugepages - NR_HUGE_PAGES); /* madvise should not free any pages */ - if (madvise(addr, NR_HUGE_PAGES * huge_page_size, MADV_DONTNEED)) { - perror("madvise"); - exit(1); - } + ret = madvise(addr, NR_HUGE_PAGES * huge_page_size, MADV_DONTNEED); + ksft_test_result(!ret, "The madvise MADV_DONTNEED on shared mapping of file\n"); + validate_free_pages(free_hugepages - NR_HUGE_PAGES); /* @@ -286,29 +248,25 @@ int main(int argc, char **argv) * * madvise is same as hole punch and should free all pages. */ - if (madvise(addr, NR_HUGE_PAGES * huge_page_size, MADV_REMOVE)) { - perror("madvise"); - exit(1); - } + ret = madvise(addr, NR_HUGE_PAGES * huge_page_size, MADV_REMOVE); + ksft_test_result(!ret, "The madvise MADV_REMOVE on shared mapping of file\n"); + validate_free_pages(free_hugepages); (void)munmap(addr, NR_HUGE_PAGES * huge_page_size); /* * Test MADV_REMOVE on shared and private mapping of hugetlb file */ - if (fallocate(fd, 0, 0, NR_HUGE_PAGES * huge_page_size)) { - perror("fallocate"); - exit(1); - } + if (fallocate(fd, 0, 0, NR_HUGE_PAGES * huge_page_size)) + ksft_exit_fail_msg("fallocate: %s\n", strerror(errno)); + validate_free_pages(free_hugepages - NR_HUGE_PAGES); addr = mmap(NULL, NR_HUGE_PAGES * huge_page_size, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0); - if (addr == MAP_FAILED) { - perror("mmap"); - exit(1); - } + if (addr == MAP_FAILED) + ksft_exit_fail_msg("mmap: %s\n", strerror(errno)); /* shared write should not consume any additional pages */ write_fault_pages(addr, NR_HUGE_PAGES); @@ -317,10 +275,8 @@ int main(int argc, char **argv) addr2 = mmap(NULL, NR_HUGE_PAGES * huge_page_size, PROT_READ | PROT_WRITE, MAP_PRIVATE, fd, 0); - if (addr2 == MAP_FAILED) { - perror("mmap"); - exit(1); - } + if (addr2 == MAP_FAILED) + ksft_exit_fail_msg("mmap: %s\n", strerror(errno)); /* private read should not consume any pages */ read_fault_pages(addr2, NR_HUGE_PAGES); @@ -331,17 +287,15 @@ int main(int argc, char **argv) validate_free_pages(free_hugepages - (2 * NR_HUGE_PAGES)); /* madvise of shared mapping should not free any pages */ - if (madvise(addr, NR_HUGE_PAGES * huge_page_size, MADV_DONTNEED)) { - perror("madvise"); - exit(1); - } + ret = madvise(addr, NR_HUGE_PAGES * huge_page_size, MADV_DONTNEED); + ksft_test_result(!ret, "The madvise MADV_REMOVE on shared mapping of file\n"); + validate_free_pages(free_hugepages - (2 * NR_HUGE_PAGES)); /* madvise of private mapping should free private pages */ - if (madvise(addr2, NR_HUGE_PAGES * huge_page_size, MADV_DONTNEED)) { - perror("madvise"); - exit(1); - } + ret = madvise(addr2, NR_HUGE_PAGES * huge_page_size, MADV_DONTNEED); + ksft_test_result(!ret, "The madvise MADV_REMOVE on shared mapping of file\n"); + validate_free_pages(free_hugepages - NR_HUGE_PAGES); /* private write should consume additional pages again */ @@ -353,15 +307,14 @@ int main(int argc, char **argv) * not correct. private pages should not be freed, but this is * expected. See comment associated with FALLOC_FL_PUNCH_HOLE call. */ - if (madvise(addr, NR_HUGE_PAGES * huge_page_size, MADV_REMOVE)) { - perror("madvise"); - exit(1); - } + ret = madvise(addr, NR_HUGE_PAGES * huge_page_size, MADV_REMOVE); + ksft_test_result(!ret, "The madvise MADV_REMOVE on shared mapping of file\n"); + validate_free_pages(free_hugepages); (void)munmap(addr, NR_HUGE_PAGES * huge_page_size); (void)munmap(addr2, NR_HUGE_PAGES * huge_page_size); close(fd); - return 0; + ksft_finished(); }