diff options
| -rw-r--r-- | tools/perf/tests/dso-data.c | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/tools/perf/tests/dso-data.c b/tools/perf/tests/dso-data.c index 627c1aaf1c9e..43e1b01e5afc 100644 --- a/tools/perf/tests/dso-data.c +++ b/tools/perf/tests/dso-data.c @@ -308,10 +308,20 @@ int test__dso_data_cache(struct test *test __maybe_unused, int subtest __maybe_u return 0; } +static long new_limit(int count) +{ + int fd = open("/dev/null", O_RDONLY); + long ret = fd; + if (count > 0) + ret = new_limit(--count); + close(fd); + return ret; +} + int test__dso_data_reopen(struct test *test __maybe_unused, int subtest __maybe_unused) { struct machine machine; - long nr_end, nr = open_files_cnt(); + long nr_end, nr = open_files_cnt(), lim = new_limit(3); int fd, fd_extra; #define dso_0 (dsos[0]) @@ -334,7 +344,7 @@ int test__dso_data_reopen(struct test *test __maybe_unused, int subtest __maybe_ /* Make sure we are able to open 3 fds anyway */ TEST_ASSERT_VAL("failed to set file limit", - !set_fd_limit((nr + 3))); + !set_fd_limit((lim))); TEST_ASSERT_VAL("failed to create dsos\n", !dsos__create(3, TEST_FILE_SIZE)); |