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Diffstat (limited to 'tools/perf/tests/dso-data.c')
-rw-r--r--tools/perf/tests/dso-data.c14
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));