16 #define WP_TEST_ASSERT_VAL(fd, text, val)       \  argument
19 	wp_read(fd, &count, sizeof(long long)); \
32 static int wp_read(int fd, long long *count, int size)  in wp_read()  argument
34 	int ret = read(fd, count, size);  in wp_read()
61 	int fd;  in __event()  local
65 	fd = sys_perf_event_open(&attr, 0, -1, -1,  in __event()
67 	if (fd < 0) {  in __event()
68 		fd = -errno;  in __event()
72 	return fd;  in __event()
82 	int fd;  in test__wp_ro()
85 	fd = __event(HW_BREAKPOINT_R, (void *)&data1, sizeof(data1));  in test__wp_ro()
86 	if (fd < 0)  in test__wp_ro()
87 		return fd == -ENODEV ? TEST_SKIP : -1;  in test__wp_ro()
90 	WP_TEST_ASSERT_VAL(fd, "RO watchpoint", 1);  in test__wp_ro()
93 	WP_TEST_ASSERT_VAL(fd, "RO watchpoint", 1);  in test__wp_ro()
95 	close(fd);  in test__wp_ro()
106 	int fd;  in test__wp_wo()
109 	fd = __event(HW_BREAKPOINT_W, (void *)&data1, sizeof(data1));  in test__wp_wo()
110 	if (fd < 0)  in test__wp_wo()
111 		return fd == -ENODEV ? TEST_SKIP : -1;  in test__wp_wo()
114 	WP_TEST_ASSERT_VAL(fd, "WO watchpoint", 0);  in test__wp_wo()
117 	WP_TEST_ASSERT_VAL(fd, "WO watchpoint", 1);  in test__wp_wo()
119 	close(fd);  in test__wp_wo()
130 	int fd;  in test__wp_rw()
133 	fd = __event(HW_BREAKPOINT_R | HW_BREAKPOINT_W, (void *)&data1,  in test__wp_rw()
135 	if (fd < 0)  in test__wp_rw()
136 		return fd == -ENODEV ? TEST_SKIP : -1;  in test__wp_rw()
139 	WP_TEST_ASSERT_VAL(fd, "RW watchpoint", 1);  in test__wp_rw()
142 	WP_TEST_ASSERT_VAL(fd, "RW watchpoint", 2);  in test__wp_rw()
144 	close(fd);  in test__wp_rw()
154 	int fd, ret;  in test__wp_modify()
158 	fd = __event(HW_BREAKPOINT_W, (void *)&data1, sizeof(data1));  in test__wp_modify()
159 	if (fd < 0)  in test__wp_modify()
160 		return fd == -ENODEV ? TEST_SKIP : -1;  in test__wp_modify()
163 	WP_TEST_ASSERT_VAL(fd, "Modify watchpoint", 1);  in test__wp_modify()
169 	ret = ioctl(fd, PERF_EVENT_IOC_MODIFY_ATTRIBUTES, &new_attr);  in test__wp_modify()
177 		close(fd);  in test__wp_modify()
182 	WP_TEST_ASSERT_VAL(fd, "Modify watchpoint", 1);  in test__wp_modify()
185 	ioctl(fd, PERF_EVENT_IOC_ENABLE, 0);  in test__wp_modify()
188 		close(fd);  in test__wp_modify()
193 	WP_TEST_ASSERT_VAL(fd, "Modify watchpoint", 2);  in test__wp_modify()
196 	WP_TEST_ASSERT_VAL(fd, "Modify watchpoint", 2);  in test__wp_modify()
198 	close(fd);  in test__wp_modify()