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selftests/mm: hugetlb-read-hwpoison: use kselftest framework

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Convert hugetlb-read-hwpoison test to use kselftest framework for
reporting and tracking successful and failing runs.

Link: https://lore.kernel.org/20260511162840.375890-13-rppt@kernel.org
Signed-off-by: Mike Rapoport (Microsoft) <rppt@kernel.org>
Reviewed-by: Donet Tom <donettom@linux.ibm.com>
Reviewed-by: Mark Brown <broonie@kernel.org>
Tested-by: Li Wang <li.wang@linux.dev>
Reviewed-by: Li Wang <li.wang@linux.dev>
Tested-by: Sarthak Sharma <sarthak.sharma@arm.com>
Tested-by: Luiz Capitulino <luizcap@redhat.com>
Cc: Baolin Wang <baolin.wang@linux.alibaba.com>
Cc: Barry Song <baohua@kernel.org>
Cc: David Hildenbrand <david@kernel.org>
Cc: Dev Jain <dev.jain@arm.com>
Cc: Jason Gunthorpe <jgg@ziepe.ca>
Cc: John Hubbard <jhubbard@nvidia.com>
Cc: Lance Yang <lance.yang@linux.dev>
Cc: Leon Romanovsky <leon@kernel.org>
Cc: Liam Howlett <liam@infradead.org>
Cc: Lorenzo Stoakes <ljs@kernel.org>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Nico Pache <npache@redhat.com>
Cc: Peter Xu <peterx@redhat.com>
Cc: Ryan Roberts <ryan.roberts@arm.com>
Cc: Shuah Khan <shuah@kernel.org>
Cc: Suren Baghdasaryan <surenb@google.com>
Cc: Vlastimil Babka <vbabka@kernel.org>
Cc: Zi Yan <ziy@nvidia.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Mike Rapoport (Microsoft) 2026-05-11 19:27:56 +03:00 committed by Andrew Morton
parent e9c43934be
commit 5be449d0ea
1 changed files with 55 additions and 60 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

115
tools/testing/selftests/mm/hugetlb-read-hwpoison.c
View File

@ -14,9 +14,6 @@
#include "kselftest.h"
#define PREFIX " ... "
#define ERROR_PREFIX " !!! "
#define MAX_WRITE_READ_CHUNK_SIZE (getpagesize() * 16)
#define MAX(a, b) (((a) > (b)) ? (a) : (b))
@ -26,17 +23,22 @@ enum test_status {
TEST_SKIPPED = 2,
};
static char *status_to_str(enum test_status status)
static void report_status(enum test_status status, const char *test_name,
size_t chunk_size)
{
switch (status) {
case TEST_PASSED:
return "TEST_PASSED";
ksft_test_result_pass("%s chunk_size=0x%lx\n",
test_name, chunk_size);
break;
case TEST_FAILED:
return "TEST_FAILED";
ksft_test_result_fail("%s chunk_size=0x%lx\n",
test_name, chunk_size);
break;
case TEST_SKIPPED:
return "TEST_SKIPPED";
default:
return "TEST_???";
ksft_test_result_skip("%s chunk_size=0x%lx\n",
test_name, chunk_size);
break;
}
}
@ -59,8 +61,8 @@ static bool verify_chunk(char *buf, size_t len, char val)
for (i = 0; i < len; ++i) {
if (buf[i] != val) {
printf(PREFIX ERROR_PREFIX "check fail: buf[%lu] = %u != %u\n",
i, buf[i], val);
ksft_print_msg("check fail: buf[%lu] = %u != %u\n",
i, buf[i], val);
return false;
}
}
@ -76,21 +78,21 @@ static bool seek_read_hugepage_filemap(int fd, size_t len, size_t wr_chunk_size,
ssize_t total_ret_count = 0;
char val = offset / wr_chunk_size + offset % wr_chunk_size;
printf(PREFIX PREFIX "init val=%u with offset=0x%lx\n", val, offset);
printf(PREFIX PREFIX "expect to read 0x%lx bytes of data in total\n",
expected);
ksft_print_msg("init val=%u with offset=0x%lx\n", val, offset);
ksft_print_msg("expect to read 0x%lx bytes of data in total\n",
expected);
if (lseek(fd, offset, SEEK_SET) < 0) {
perror(PREFIX ERROR_PREFIX "seek failed");
ksft_perror("seek failed");
return false;
}
while (offset + total_ret_count < len) {
ret_count = read(fd, buf, wr_chunk_size);
if (ret_count == 0) {
printf(PREFIX PREFIX "read reach end of the file\n");
ksft_print_msg("read reach end of the file\n");
break;
} else if (ret_count < 0) {
perror(PREFIX ERROR_PREFIX "read failed");
ksft_perror("read failed");
break;
}
++val;
@ -99,8 +101,8 @@ static bool seek_read_hugepage_filemap(int fd, size_t len, size_t wr_chunk_size,
total_ret_count += ret_count;
}
printf(PREFIX PREFIX "actually read 0x%lx bytes of data in total\n",
total_ret_count);
ksft_print_msg("actually read 0x%lx bytes of data in total\n",
total_ret_count);
return total_ret_count == expected;
}
@ -113,15 +115,15 @@ static bool read_hugepage_filemap(int fd, size_t len,
ssize_t total_ret_count = 0;
char val = 0;
printf(PREFIX PREFIX "expect to read 0x%lx bytes of data in total\n",
expected);
ksft_print_msg("expect to read 0x%lx bytes of data in total\n",
expected);
while (total_ret_count < len) {
ret_count = read(fd, buf, wr_chunk_size);
if (ret_count == 0) {
printf(PREFIX PREFIX "read reach end of the file\n");
ksft_print_msg("read reach end of the file\n");
break;
} else if (ret_count < 0) {
perror(PREFIX ERROR_PREFIX "read failed");
ksft_perror("read failed");
break;
}
++val;
@ -130,8 +132,8 @@ static bool read_hugepage_filemap(int fd, size_t len,
total_ret_count += ret_count;
}
printf(PREFIX PREFIX "actually read 0x%lx bytes of data in total\n",
total_ret_count);
ksft_print_msg("actually read 0x%lx bytes of data in total\n",
total_ret_count);
return total_ret_count == expected;
}
@ -143,14 +145,14 @@ test_hugetlb_read(int fd, size_t len, size_t wr_chunk_size)
char *filemap = NULL;
if (ftruncate(fd, len) < 0) {
perror(PREFIX ERROR_PREFIX "ftruncate failed");
ksft_perror("ftruncate failed");
return status;
}
filemap = mmap(NULL, len, PROT_READ | PROT_WRITE,
MAP_SHARED | MAP_POPULATE, fd, 0);
if (filemap == MAP_FAILED) {
perror(PREFIX ERROR_PREFIX "mmap for primary mapping failed");
ksft_perror("mmap for primary mapping failed");
goto done;
}
@ -163,7 +165,7 @@ test_hugetlb_read(int fd, size_t len, size_t wr_chunk_size)
munmap(filemap, len);
done:
if (ftruncate(fd, 0) < 0) {
perror(PREFIX ERROR_PREFIX "ftruncate back to 0 failed");
ksft_perror("ftruncate back to 0 failed");
status = TEST_FAILED;
}
@ -180,14 +182,14 @@ test_hugetlb_read_hwpoison(int fd, size_t len, size_t wr_chunk_size,
const unsigned long pagesize = getpagesize();
if (ftruncate(fd, len) < 0) {
perror(PREFIX ERROR_PREFIX "ftruncate failed");
ksft_perror("ftruncate failed");
return status;
}
filemap = mmap(NULL, len, PROT_READ | PROT_WRITE,
MAP_SHARED | MAP_POPULATE, fd, 0);
if (filemap == MAP_FAILED) {
perror(PREFIX ERROR_PREFIX "mmap for primary mapping failed");
ksft_perror("mmap for primary mapping failed");
goto done;
}
@ -202,7 +204,7 @@ test_hugetlb_read_hwpoison(int fd, size_t len, size_t wr_chunk_size,
*/
hwp_addr = filemap + len / 2 + pagesize;
if (madvise(hwp_addr, pagesize, MADV_HWPOISON) < 0) {
perror(PREFIX ERROR_PREFIX "MADV_HWPOISON failed");
ksft_perror("MADV_HWPOISON failed");
goto unmap;
}
@ -229,7 +231,7 @@ test_hugetlb_read_hwpoison(int fd, size_t len, size_t wr_chunk_size,
munmap(filemap, len);
done:
if (ftruncate(fd, 0) < 0) {
perror(PREFIX ERROR_PREFIX "ftruncate back to 0 failed");
ksft_perror("ftruncate back to 0 failed");
status = TEST_FAILED;
}
@ -242,17 +244,17 @@ static int create_hugetlbfs_file(struct statfs *file_stat)
fd = memfd_create("hugetlb_tmp", MFD_HUGETLB);
if (fd < 0) {
perror(PREFIX ERROR_PREFIX "could not open hugetlbfs file");
ksft_perror("could not open hugetlbfs file");
return -1;
}
memset(file_stat, 0, sizeof(*file_stat));
if (fstatfs(fd, file_stat)) {
perror(PREFIX ERROR_PREFIX "fstatfs failed");
ksft_perror("fstatfs failed");
goto close;
}
if (file_stat->f_type != HUGETLBFS_MAGIC) {
printf(PREFIX ERROR_PREFIX "not hugetlbfs file\n");
ksft_print_msg("not hugetlbfs file\n");
goto close;
}
@ -278,51 +280,44 @@ int main(void)
};
size_t i;
ksft_print_header();
ksft_set_plan(ARRAY_SIZE(wr_chunk_sizes) * 3);
signal(SIGBUS, sigbus_handler);
for (i = 0; i < ARRAY_SIZE(wr_chunk_sizes); ++i) {
printf("Write/read chunk size=0x%lx\n",
wr_chunk_sizes[i]);
ksft_print_msg("Write/read chunk size=0x%lx\n",
wr_chunk_sizes[i]);
fd = create_hugetlbfs_file(&file_stat);
if (fd < 0)
goto create_failure;
printf(PREFIX "HugeTLB read regression test...\n");
ksft_exit_fail_msg("Failed to create hugetlbfs file\n");
status = test_hugetlb_read(fd, file_stat.f_bsize,
wr_chunk_sizes[i]);
printf(PREFIX "HugeTLB read regression test...%s\n",
status_to_str(status));
close(fd);
if (status == TEST_FAILED)
return -1;
report_status(status, "HugeTLB read regression",
wr_chunk_sizes[i]);
fd = create_hugetlbfs_file(&file_stat);
if (fd < 0)
goto create_failure;
printf(PREFIX "HugeTLB read HWPOISON test...\n");
ksft_exit_fail_msg("Failed to create hugetlbfs file\n");
status = test_hugetlb_read_hwpoison(fd, file_stat.f_bsize,
wr_chunk_sizes[i], false);
printf(PREFIX "HugeTLB read HWPOISON test...%s\n",
status_to_str(status));
close(fd);
if (status == TEST_FAILED)
return -1;
report_status(status, "HugeTLB read HWPOISON",
wr_chunk_sizes[i]);
fd = create_hugetlbfs_file(&file_stat);
if (fd < 0)
goto create_failure;
printf(PREFIX "HugeTLB seek then read HWPOISON test...\n");
ksft_exit_fail_msg("Failed to create hugetlbfs file\n");
status = test_hugetlb_read_hwpoison(fd, file_stat.f_bsize,
wr_chunk_sizes[i], true);
printf(PREFIX "HugeTLB seek then read HWPOISON test...%s\n",
status_to_str(status));
close(fd);
if (status == TEST_FAILED)
return -1;
report_status(status, "HugeTLB seek then read HWPOISON",
wr_chunk_sizes[i]);
}
return 0;
create_failure:
printf(ERROR_PREFIX "Abort test: failed to create hugetlbfs file\n");
return -1;
ksft_finished();
}