The branch main has been updated by kib: URL: https://cgit.FreeBSD.org/src/commit/?id=91ddfd352f59beb8262f98c2e8a22722207e5aa6
commit 91ddfd352f59beb8262f98c2e8a22722207e5aa6 Author: Konstantin Belousov <[email protected]> AuthorDate: 2022-12-03 22:54:36 +0000 Commit: Konstantin Belousov <[email protected]> CommitDate: 2022-12-09 12:17:12 +0000 posixshm_test: add naive page accounting test Sponsored by: The FreeBSD Foundation MFC after: 1 week Differential revision: https://reviews.freebsd.org/D37097 --- tests/sys/posixshm/posixshm_test.c | 33 +++++++++++++++++++++++++++++++++ 1 file changed, 33 insertions(+) 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);
