32 static int __event(bool is_x, void *addr, struct perf_event_attr *attr)  in __event()  argument
36 	memset(attr, 0, sizeof(struct perf_event_attr));  in __event()
37 	attr->type = PERF_TYPE_BREAKPOINT;  in __event()
38 	attr->size = sizeof(struct perf_event_attr);  in __event()
40 	attr->config = 0;  in __event()
41 	attr->bp_type = is_x ? HW_BREAKPOINT_X : HW_BREAKPOINT_W;  in __event()
42 	attr->bp_addr = (unsigned long) addr;  in __event()
43 	attr->bp_len = sizeof(long);  in __event()
45 	attr->sample_period = 1;  in __event()
46 	attr->sample_type = PERF_SAMPLE_IP;  in __event()
48 	attr->exclude_kernel = 1;  in __event()
49 	attr->exclude_hv = 1;  in __event()
51 	fd = sys_perf_event_open(attr, -1, 0, -1,  in __event()
54 		pr_debug("failed opening event %llx\n", attr->config);  in __event()
61 static int wp_event(void *addr, struct perf_event_attr *attr)  in wp_event()  argument
63 	return __event(false, addr, attr);  in wp_event()
66 static int bp_event(void *addr, struct perf_event_attr *attr)  in bp_event()  argument
68 	return __event(true, addr, attr);  in bp_event()
73 	struct perf_event_attr attr, attr_mod, attr_new;  in bp_accounting()  local
77 		fd[i] = wp_event((void *)&the_var, &attr);  in bp_accounting()
82 	attr_mod = attr;  in bp_accounting()
105 	struct perf_event_attr attr;  in detect_cnt()  local
114 		fd[cnt] = __event(is_x, addr, &attr);  in detect_cnt()
129 	struct perf_event_attr attr;  in detect_ioctl()  local
132 	fd = wp_event((void *) &the_var, &attr);  in detect_ioctl()
134 		ret = ioctl(fd, PERF_EVENT_IOC_MODIFY_ATTRIBUTES, &attr);  in detect_ioctl()
143 	struct perf_event_attr attr;  in detect_share()  local
147 		fd[i] = wp_event((void *)&the_var, &attr);  in detect_share()
152 		fd[i] = bp_event((void *)test_function, &attr);  in detect_share()