diff --git a/include/villas/hooks/decimate.h b/include/villas/hooks/decimate.h
new file mode 100644
index 000000000..01c747619
--- /dev/null
+++ b/include/villas/hooks/decimate.h
@@ -0,0 +1,36 @@
+/** Decimate hook.
+ *
+ * @author Steffen Vogel <stvogel@eonerc.rwth-aachen.de>
+ * @copyright 2014-2019, Institute for Automation of Complex Power Systems, EONERC
+ * @license GNU General Public License (version 3)
+ *
+ * VILLASnode
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *********************************************************************************/
+
+#pragma once
+
+/** @addtogroup hooks Hook functions
+ * @{
+ */
+
+/* Forward declarations */
+struct hook;
+
+int decimate_set_ratio(struct hook *h, int ratio);
+
+/**
+ * @}
+ */
diff --git a/include/villas/hooks/limit_rate.h b/include/villas/hooks/limit_rate.h
new file mode 100644
index 000000000..e225520bf
--- /dev/null
+++ b/include/villas/hooks/limit_rate.h
@@ -0,0 +1,36 @@
+/** Rate-limiting hook.
+ *
+ * @author Steffen Vogel <stvogel@eonerc.rwth-aachen.de>
+ * @copyright 2014-2019, Institute for Automation of Complex Power Systems, EONERC
+ * @license GNU General Public License (version 3)
+ *
+ * VILLASnode
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *********************************************************************************/
+
+#pragma once
+
+/** @addtogroup hooks Hook functions
+ * @{
+ */
+
+/* Forward declarations */
+struct hook;
+
+int limit_rate_set_rate(struct hook *h, double rate);
+
+/**
+ * @}
+ */
diff --git a/lib/hooks/decimate.c b/lib/hooks/decimate.c
index 47fbee807..da7181df7 100644
--- a/lib/hooks/decimate.c
+++ b/lib/hooks/decimate.c
@@ -32,6 +32,15 @@ struct decimate {
 	unsigned counter;
 };
 
+int decimate_set_ratio(struct hook *h, int ratio)
+{
+	struct decimate *p = (struct decimate *) h->_vd;
+
+	p->ratio = ratio;
+
+	return 0;
+}
+
 static int decimate_init(struct hook *h)
 {
 	struct decimate *p = (struct decimate *) h->_vd;
diff --git a/lib/hooks/limit_rate.c b/lib/hooks/limit_rate.c
index 9c322d0ce..fc27d2d8f 100644
--- a/lib/hooks/limit_rate.c
+++ b/lib/hooks/limit_rate.c
@@ -42,6 +42,15 @@ struct limit_rate {
 	struct timespec last;
 };
 
+int limit_rate_set_rate(struct hook *h, double rate)
+{
+	struct limit_rate *p = (struct limit_rate *) h->_vd;
+
+	p->deadtime = 1.0 / rate;
+
+	return 0;
+}
+
 static int limit_rate_init(struct hook *h)
 {
 	struct limit_rate *p = (struct limit_rate *) h->_vd;