+int kernctl_counter_read_value(int counter_fd,
+ struct lttng_kernel_counter_read *value);
+int kernctl_counter_get_aggregate_value(int counter_fd,
+ struct lttng_kernel_counter_aggregate *value);
+int kernctl_counter_clear(int counter_fd,
+ struct lttng_kernel_counter_clear *clear);
+
+int kernctl_counter_map_descriptor_count(int counter_fd, uint64_t *count);
+int kernctl_counter_map_descriptor(int counter_fd,
+ struct lttng_kernel_counter_map_descriptor *descriptor);
+