Lines Matching refs:fd
16 #define WP_TEST_ASSERT_VAL(fd, text, val) \
19 wp_read(fd, &count, sizeof(long long)); \
27 static int wp_read(int fd, long long *count, int size)
29 int ret = read(fd, count, size);
56 int fd;
60 fd = sys_perf_event_open(&attr, 0, -1, -1,
62 if (fd < 0) {
63 fd = -errno;
67 return fd;
77 int fd;
80 fd = __event(HW_BREAKPOINT_R, (void *)&data1, sizeof(data1));
81 if (fd < 0)
82 return fd == -ENODEV ? TEST_SKIP : -1;
85 WP_TEST_ASSERT_VAL(fd, "RO watchpoint", 1);
88 WP_TEST_ASSERT_VAL(fd, "RO watchpoint", 1);
90 close(fd);
101 int fd;
104 fd = __event(HW_BREAKPOINT_W, (void *)&data1, sizeof(data1));
105 if (fd < 0)
106 return fd == -ENODEV ? TEST_SKIP : -1;
109 WP_TEST_ASSERT_VAL(fd, "WO watchpoint", 0);
112 WP_TEST_ASSERT_VAL(fd, "WO watchpoint", 1);
114 close(fd);
125 int fd;
128 fd = __event(HW_BREAKPOINT_R | HW_BREAKPOINT_W, (void *)&data1,
130 if (fd < 0)
131 return fd == -ENODEV ? TEST_SKIP : -1;
134 WP_TEST_ASSERT_VAL(fd, "RW watchpoint", 1);
137 WP_TEST_ASSERT_VAL(fd, "RW watchpoint", 2);
139 close(fd);
149 int fd, ret;
153 fd = __event(HW_BREAKPOINT_W, (void *)&data1, sizeof(data1));
154 if (fd < 0)
155 return fd == -ENODEV ? TEST_SKIP : -1;
158 WP_TEST_ASSERT_VAL(fd, "Modify watchpoint", 1);
164 ret = ioctl(fd, PERF_EVENT_IOC_MODIFY_ATTRIBUTES, &new_attr);
172 close(fd);
177 WP_TEST_ASSERT_VAL(fd, "Modify watchpoint", 1);
180 ioctl(fd, PERF_EVENT_IOC_ENABLE, 0);
183 close(fd);
188 WP_TEST_ASSERT_VAL(fd, "Modify watchpoint", 2);
191 WP_TEST_ASSERT_VAL(fd, "Modify watchpoint", 2);
193 close(fd);