16 #define WP_TEST_ASSERT_VAL(fd, text, val)       \  argument
19 	wp_read(fd, &count, sizeof(long long)); \
27 static int wp_read(int fd, long long *count, int size)  in wp_read()  argument
29 	int ret = read(fd, count, size);  in wp_read()
56 	int fd;  in __event()  local
60 	fd = sys_perf_event_open(&attr, 0, -1, -1,  in __event()
62 	if (fd < 0)  in __event()
65 	return fd;  in __event()
75 	int fd;  in test__wp_ro()
78 	fd = __event(HW_BREAKPOINT_R, (void *)&data1, sizeof(data1));  in test__wp_ro()
79 	if (fd < 0)  in test__wp_ro()
83 	WP_TEST_ASSERT_VAL(fd, "RO watchpoint", 1);  in test__wp_ro()
86 	WP_TEST_ASSERT_VAL(fd, "RO watchpoint", 1);  in test__wp_ro()
88 	close(fd);  in test__wp_ro()
99 	int fd;  in test__wp_wo()
102 	fd = __event(HW_BREAKPOINT_W, (void *)&data1, sizeof(data1));  in test__wp_wo()
103 	if (fd < 0)  in test__wp_wo()
107 	WP_TEST_ASSERT_VAL(fd, "WO watchpoint", 0);  in test__wp_wo()
110 	WP_TEST_ASSERT_VAL(fd, "WO watchpoint", 1);  in test__wp_wo()
112 	close(fd);  in test__wp_wo()
123 	int fd;  in test__wp_rw()
126 	fd = __event(HW_BREAKPOINT_R | HW_BREAKPOINT_W, (void *)&data1,  in test__wp_rw()
128 	if (fd < 0)  in test__wp_rw()
132 	WP_TEST_ASSERT_VAL(fd, "RW watchpoint", 1);  in test__wp_rw()
135 	WP_TEST_ASSERT_VAL(fd, "RW watchpoint", 2);  in test__wp_rw()
137 	close(fd);  in test__wp_rw()
147 	int fd, ret;  in test__wp_modify()
151 	fd = __event(HW_BREAKPOINT_W, (void *)&data1, sizeof(data1));  in test__wp_modify()
152 	if (fd < 0)  in test__wp_modify()
156 	WP_TEST_ASSERT_VAL(fd, "Modify watchpoint", 1);  in test__wp_modify()
162 	ret = ioctl(fd, PERF_EVENT_IOC_MODIFY_ATTRIBUTES, &new_attr);  in test__wp_modify()
170 		close(fd);  in test__wp_modify()
175 	WP_TEST_ASSERT_VAL(fd, "Modify watchpoint", 1);  in test__wp_modify()
178 	ioctl(fd, PERF_EVENT_IOC_ENABLE, 0);  in test__wp_modify()
181 		close(fd);  in test__wp_modify()
186 	WP_TEST_ASSERT_VAL(fd, "Modify watchpoint", 2);  in test__wp_modify()
189 	WP_TEST_ASSERT_VAL(fd, "Modify watchpoint", 2);  in test__wp_modify()
191 	close(fd);  in test__wp_modify()