+/*
+ * lttng_kernel_start_tracing
+ *
+ * Start kernel tracing.
+ */
+int lttng_kernel_start_tracing(void)
+{
+ return ask_sessiond(KERNEL_START_TRACE, NULL);
+}
+
+/*
+ * lttng_kernel_stop_tracing
+ *
+ * Stop kernel tracing.
+ */
+int lttng_kernel_stop_tracing(void)
+{
+ return ask_sessiond(KERNEL_STOP_TRACE, NULL);
+}
+
+/*
+ * END KERNEL CONTROL
+ */
+
+/*
+ * lttng_get_readable_code
+ *
+ * Return a human readable string of code
+ */
+const char *lttng_get_readable_code(int code)
+{
+ if (code > -LTTCOMM_OK) {
+ return "Ended with errors";