29 static int __event(bool is_x, void *addr, struct perf_event_attr *attr)  in __event()  argument
33 	memset(attr, 0, sizeof(struct perf_event_attr));  in __event()
34 	attr->type = PERF_TYPE_BREAKPOINT;  in __event()
35 	attr->size = sizeof(struct perf_event_attr);  in __event()
37 	attr->config = 0;  in __event()
38 	attr->bp_type = is_x ? HW_BREAKPOINT_X : HW_BREAKPOINT_W;  in __event()
39 	attr->bp_addr = (unsigned long) addr;  in __event()
40 	attr->bp_len = sizeof(long);  in __event()
42 	attr->sample_period = 1;  in __event()
43 	attr->sample_type = PERF_SAMPLE_IP;  in __event()
45 	attr->exclude_kernel = 1;  in __event()
46 	attr->exclude_hv = 1;  in __event()
48 	fd = sys_perf_event_open(attr, -1, 0, -1,  in __event()
51 		pr_debug("failed opening event %llx\n", attr->config);  in __event()
58 static int wp_event(void *addr, struct perf_event_attr *attr)  in wp_event()  argument
60 	return __event(false, addr, attr);  in wp_event()
63 static int bp_event(void *addr, struct perf_event_attr *attr)  in bp_event()  argument
65 	return __event(true, addr, attr);  in bp_event()
70 	struct perf_event_attr attr, attr_mod, attr_new;  in bp_accounting()  local
74 		fd[i] = wp_event((void *)&the_var, &attr);  in bp_accounting()
79 	attr_mod = attr;  in bp_accounting()
102 	struct perf_event_attr attr;  in detect_cnt()  local
111 		fd[cnt] = __event(is_x, addr, &attr);  in detect_cnt()
126 	struct perf_event_attr attr;  in detect_ioctl()  local
129 	fd = wp_event((void *) &the_var, &attr);  in detect_ioctl()
131 		ret = ioctl(fd, PERF_EVENT_IOC_MODIFY_ATTRIBUTES, &attr);  in detect_ioctl()
140 	struct perf_event_attr attr;  in detect_share()  local
144 		fd[i] = wp_event((void *)&the_var, &attr);  in detect_share()
149 		fd[i] = bp_event((void *)test_function, &attr);  in detect_share()