+/*
+ * Kernel tracer control
+ */
+extern int lttng_kernel_enable_event(char *event_name);
+extern int lttng_kernel_disable_event(char *event_name);
+extern int lttng_kernel_create_session(void);
+extern int lttng_kernel_start_tracing(void);
+extern int lttng_kernel_stop_tracing(void);
+extern int lttng_kernel_create_channel(int overwrite,
+ uint64_t subbuf_size, uint64_t num_subbuf,
+ unsigned int switch_timer_interval,
+ unsigned int read_timer_interval);
+