ssize_t kernel_list_events(int tracer_fd, struct lttng_event **event_list);
void kernel_wait_quiescent(int fd);
int kernel_calibrate(int fd, struct lttng_kernel_calibrate *calibrate);
ssize_t kernel_list_events(int tracer_fd, struct lttng_event **event_list);
void kernel_wait_quiescent(int fd);
int kernel_calibrate(int fd, struct lttng_kernel_calibrate *calibrate);