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author | Konstantin Belousov <kib@FreeBSD.org> | 2022-12-03 22:54:36 +0000 |
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committer | Konstantin Belousov <kib@FreeBSD.org> | 2022-12-09 12:17:12 +0000 |
commit | 91ddfd352f59beb8262f98c2e8a22722207e5aa6 (patch) | |
tree | 482b376867818beba7ad4dc5cc0f754dd12b0ace /tests | |
parent | f1f030246f3e72af0ee3ba82a0e8b9f6d9559b69 (diff) | |
download | src-91ddfd352f59beb8262f98c2e8a22722207e5aa6.tar.gz src-91ddfd352f59beb8262f98c2e8a22722207e5aa6.zip |
posixshm_test: add naive page accounting test
Sponsored by: The FreeBSD Foundation
MFC after: 1 week
Differential revision: https://reviews.freebsd.org/D37097
Diffstat (limited to 'tests')
-rw-r--r-- | tests/sys/posixshm/posixshm_test.c | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/tests/sys/posixshm/posixshm_test.c b/tests/sys/posixshm/posixshm_test.c index add22c330b4e..7c63c6542cd7 100644 --- a/tests/sys/posixshm/posixshm_test.c +++ b/tests/sys/posixshm/posixshm_test.c @@ -1161,6 +1161,38 @@ ATF_TC_BODY(fspacectl, tc) ATF_REQUIRE(close(fd) == 0); } +ATF_TC_WITHOUT_HEAD(accounting); +ATF_TC_BODY(accounting, tc) +{ + struct spacectl_range range; + struct stat st; + off_t shm_sz, len; + size_t page_size; + int fd, error; + + page_size = getpagesize(); + shm_sz = shm_max_pages * page_size; + + fd = shm_open("/testtest1", O_RDWR | O_CREAT, 0666); + ATF_REQUIRE_MSG(fd >= 0, "shm_open failed; errno:%d", errno); + ATF_REQUIRE_MSG((error = posix_fallocate(fd, 0, shm_sz)) == 0, + "posix_fallocate failed; error=%d", error); + + ATF_REQUIRE(shm_fill(fd, 0, shm_sz) == 0); + ATF_REQUIRE(fstat(fd, &st) == 0); + ATF_REQUIRE(st.st_blksize * st.st_blocks == (blkcnt_t)shm_sz); + + range.r_offset = page_size; + range.r_len = len = (shm_max_pages - 1) * page_size - + range.r_offset; + ATF_CHECK_MSG(fspacectl(fd, SPACECTL_DEALLOC, &range, 0, &range) == 0, + "SPACECTL_DEALLOC failed; errno=%d", errno); + ATF_REQUIRE(fstat(fd, &st) == 0); + ATF_REQUIRE(st.st_blksize * st.st_blocks == (blkcnt_t)(shm_sz - len)); + + ATF_REQUIRE(close(fd) == 0); +} + static int shm_open_large(int psind, int policy, size_t sz) { @@ -1922,6 +1954,7 @@ ATF_TP_ADD_TCS(tp) ATF_TP_ADD_TC(tp, mode); ATF_TP_ADD_TC(tp, fallocate); ATF_TP_ADD_TC(tp, fspacectl); + ATF_TP_ADD_TC(tp, accounting); ATF_TP_ADD_TC(tp, largepage_basic); ATF_TP_ADD_TC(tp, largepage_config); ATF_TP_ADD_TC(tp, largepage_mmap); |