44 static long long bp_count(int fd)  in bp_count()  argument
49 	ret = read(fd, &count, sizeof(long long));  in bp_count()
66 	int fd, i, fails = 0;  in test__bp_signal_overflow()  local
95 	fd = sys_perf_event_open(&pe, 0, -1, -1,  in test__bp_signal_overflow()
97 	if (fd < 0) {  in test__bp_signal_overflow()
102 	fcntl(fd, F_SETFL, O_RDWR|O_NONBLOCK|O_ASYNC);  in test__bp_signal_overflow()
103 	fcntl(fd, F_SETSIG, SIGIO);  in test__bp_signal_overflow()
104 	fcntl(fd, F_SETOWN, getpid());  in test__bp_signal_overflow()
106 	ioctl(fd, PERF_EVENT_IOC_RESET, 0);  in test__bp_signal_overflow()
107 	ioctl(fd, PERF_EVENT_IOC_ENABLE, 0);  in test__bp_signal_overflow()
112 	ioctl(fd, PERF_EVENT_IOC_DISABLE, 0);  in test__bp_signal_overflow()
114 	count = bp_count(fd);  in test__bp_signal_overflow()
116 	close(fd);  in test__bp_signal_overflow()