14 #define WP_TEST_ASSERT_VAL(fd, text, val)       \  argument
17 	wp_read(fd, &count, sizeof(long long)); \
24 static int wp_read(int fd, long long *count, int size)  in wp_read()  argument
26 	int ret = read(fd, count, size);  in wp_read()
53 	int fd;  in __event()  local
57 	fd = sys_perf_event_open(&attr, 0, -1, -1,  in __event()
59 	if (fd < 0)  in __event()
62 	return fd;  in __event()
67 	int fd;  in wp_ro_test()  local
70 	fd = __event(HW_BREAKPOINT_R, (void *)&data1, sizeof(data1));  in wp_ro_test()
71 	if (fd < 0)  in wp_ro_test()
75 	WP_TEST_ASSERT_VAL(fd, "RO watchpoint", 1);  in wp_ro_test()
78 	WP_TEST_ASSERT_VAL(fd, "RO watchpoint", 1);  in wp_ro_test()
80 	close(fd);  in wp_ro_test()
86 	int fd;  in wp_wo_test()  local
89 	fd = __event(HW_BREAKPOINT_W, (void *)&data1, sizeof(data1));  in wp_wo_test()
90 	if (fd < 0)  in wp_wo_test()
94 	WP_TEST_ASSERT_VAL(fd, "WO watchpoint", 0);  in wp_wo_test()
97 	WP_TEST_ASSERT_VAL(fd, "WO watchpoint", 1);  in wp_wo_test()
99 	close(fd);  in wp_wo_test()
105 	int fd;  in wp_rw_test()  local
108 	fd = __event(HW_BREAKPOINT_R | HW_BREAKPOINT_W, (void *)&data1,  in wp_rw_test()
110 	if (fd < 0)  in wp_rw_test()
114 	WP_TEST_ASSERT_VAL(fd, "RW watchpoint", 1);  in wp_rw_test()
117 	WP_TEST_ASSERT_VAL(fd, "RW watchpoint", 2);  in wp_rw_test()
119 	close(fd);  in wp_rw_test()
125 	int fd, ret;  in wp_modify_test()  local
129 	fd = __event(HW_BREAKPOINT_W, (void *)&data1, sizeof(data1));  in wp_modify_test()
130 	if (fd < 0)  in wp_modify_test()
134 	WP_TEST_ASSERT_VAL(fd, "Modify watchpoint", 1);  in wp_modify_test()
140 	ret = ioctl(fd, PERF_EVENT_IOC_MODIFY_ATTRIBUTES, &new_attr);  in wp_modify_test()
143 		close(fd);  in wp_modify_test()
148 	WP_TEST_ASSERT_VAL(fd, "Modify watchpoint", 1);  in wp_modify_test()
151 	ioctl(fd, PERF_EVENT_IOC_ENABLE, 0);  in wp_modify_test()
154 		close(fd);  in wp_modify_test()
159 	WP_TEST_ASSERT_VAL(fd, "Modify watchpoint", 2);  in wp_modify_test()
162 	WP_TEST_ASSERT_VAL(fd, "Modify watchpoint", 2);  in wp_modify_test()
164 	close(fd);  in wp_modify_test()