When the self test is completed, perf self-test left the user events not to
be cleared. Clear the events by unregister and delete the event.
Signed-off-by: sunliming <sunliming@xxxxxxxxxx>
---
.../testing/selftests/user_events/perf_test.c | 29 +++++++++++++++++++
1 file changed, 29 insertions(+)
diff --git a/tools/testing/selftests/user_events/perf_test.c b/tools/testing/selftests/user_events/perf_test.c
index a070258d4449..e97f24ab6e2f 100644
--- a/tools/testing/selftests/user_events/perf_test.c
+++ b/tools/testing/selftests/user_events/perf_test.c
@@ -81,6 +81,32 @@ static int get_offset(void)
return offset;
}
+static int clear(int *check)
+{
+ struct user_unreg unreg = {0};
+
+ unreg.size = sizeof(unreg);
+ unreg.disable_bit = 31;
+ unreg.disable_addr = (__u64)check;
+
+ int fd = open(data_file, O_RDWR);
+
+ if (fd == -1)
+ return -1;
+
+ if (ioctl(fd, DIAG_IOCSUNREG, &unreg) == -1)
+ if (errno != ENOENT)
+ return -1;
+
+ if (ioctl(fd, DIAG_IOCSDEL, "__test_event") == -1)
+ if (errno != ENOENT)
+ return -1;
+
+ close(fd);
+
+ return 0;
+}
+
FIXTURE(user) {
int data_fd;
int check;
@@ -93,6 +119,9 @@ FIXTURE_SETUP(user) {
FIXTURE_TEARDOWN(user) {
close(self->data_fd);
+
+ if (clear(&self->check) != 0)
+ printf("WARNING: Clear didn't work!\n");
}
TEST_F(user, perf_write) {
--
2.25.1
