diff options
Diffstat (limited to 'tools/testing')
| -rw-r--r-- | tools/testing/selftests/vm/Makefile | 1 | ||||
| -rw-r--r-- | tools/testing/selftests/vm/hugetlbfstest.c | 86 | ||||
| -rwxr-xr-x | tools/testing/selftests/vm/run_vmtests | 11 |
3 files changed, 0 insertions, 98 deletions
diff --git a/tools/testing/selftests/vm/Makefile b/tools/testing/selftests/vm/Makefile index 0d6854744b37..d36fab7d8ebd 100644 --- a/tools/testing/selftests/vm/Makefile +++ b/tools/testing/selftests/vm/Makefile @@ -4,7 +4,6 @@ CFLAGS = -Wall BINARIES = compaction_test BINARIES += hugepage-mmap BINARIES += hugepage-shm -BINARIES += hugetlbfstest BINARIES += map_hugetlb BINARIES += thuge-gen BINARIES += transhuge-stress diff --git a/tools/testing/selftests/vm/hugetlbfstest.c b/tools/testing/selftests/vm/hugetlbfstest.c deleted file mode 100644 index 02e1072ec187..000000000000 --- a/tools/testing/selftests/vm/hugetlbfstest.c +++ /dev/null @@ -1,86 +0,0 @@ -#define _GNU_SOURCE -#include <assert.h> -#include <fcntl.h> -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <sys/mman.h> -#include <sys/stat.h> -#include <sys/types.h> -#include <unistd.h> - -typedef unsigned long long u64; - -static size_t length = 1 << 24; - -static u64 read_rss(void) -{ - char buf[4096], *s = buf; - int i, fd; - u64 rss; - - fd = open("/proc/self/statm", O_RDONLY); - assert(fd > 2); - memset(buf, 0, sizeof(buf)); - read(fd, buf, sizeof(buf) - 1); - for (i = 0; i < 1; i++) - s = strchr(s, ' ') + 1; - rss = strtoull(s, NULL, 10); - return rss << 12; /* assumes 4k pagesize */ -} - -static void do_mmap(int fd, int extra_flags, int unmap) -{ - int *p; - int flags = MAP_PRIVATE | MAP_POPULATE | extra_flags; - u64 before, after; - int ret; - - before = read_rss(); - p = mmap(NULL, length, PROT_READ | PROT_WRITE, flags, fd, 0); - assert(p != MAP_FAILED || - !"mmap returned an unexpected error"); - after = read_rss(); - assert(llabs(after - before - length) < 0x40000 || - !"rss didn't grow as expected"); - if (!unmap) - return; - ret = munmap(p, length); - assert(!ret || !"munmap returned an unexpected error"); - after = read_rss(); - assert(llabs(after - before) < 0x40000 || - !"rss didn't shrink as expected"); -} - -static int open_file(const char *path) -{ - int fd, err; - - unlink(path); - fd = open(path, O_CREAT | O_RDWR | O_TRUNC | O_EXCL - | O_LARGEFILE | O_CLOEXEC, 0600); - assert(fd > 2); - unlink(path); - err = ftruncate(fd, length); - assert(!err); - return fd; -} - -int main(void) -{ - int hugefd, fd; - - fd = open_file("/dev/shm/hugetlbhog"); - hugefd = open_file("/hugepages/hugetlbhog"); - - system("echo 100 > /proc/sys/vm/nr_hugepages"); - do_mmap(-1, MAP_ANONYMOUS, 1); - do_mmap(fd, 0, 1); - do_mmap(-1, MAP_ANONYMOUS | MAP_HUGETLB, 1); - do_mmap(hugefd, 0, 1); - do_mmap(hugefd, MAP_HUGETLB, 1); - /* Leak the last one to test do_exit() */ - do_mmap(-1, MAP_ANONYMOUS | MAP_HUGETLB, 0); - printf("oll korrekt.\n"); - return 0; -} diff --git a/tools/testing/selftests/vm/run_vmtests b/tools/testing/selftests/vm/run_vmtests index 831adeb5fc55..d891d6e326f4 100755 --- a/tools/testing/selftests/vm/run_vmtests +++ b/tools/testing/selftests/vm/run_vmtests @@ -76,17 +76,6 @@ else fi echo "--------------------" -echo "running hugetlbfstest" -echo "--------------------" -./hugetlbfstest -if [ $? -ne 0 ]; then - echo "[FAIL]" - exitcode=1 -else - echo "[PASS]" -fi - -echo "--------------------" echo "running userfaultfd" echo "--------------------" ./userfaultfd 128 32 |