struct ltt_kernel_channel *kchan, struct lttng_event *event);
int event_kernel_enable_all(struct ltt_kernel_session *ksession,
struct ltt_kernel_channel *kchan, int kernel_tracer_fd);
struct ltt_kernel_channel *kchan, struct lttng_event *event);
int event_kernel_enable_all(struct ltt_kernel_session *ksession,
struct ltt_kernel_channel *kchan, int kernel_tracer_fd);