diff --git a/include/villas/nodes/test_rtt.hpp b/include/villas/nodes/test_rtt.hpp
index d46cc9c8e..a808a62e9 100644
--- a/include/villas/nodes/test_rtt.hpp
+++ b/include/villas/nodes/test_rtt.hpp
@@ -62,6 +62,7 @@ protected:
 
     int start();
     int stop();
+    double getEstimatedDuration() const;
   };
 
   Task task;             // The periodic task for test_rtt_read()
@@ -76,14 +77,14 @@ protected:
 
   bool shutdown;
 
-      enum Mode {
-      MIN,
-      MAX,
-      STOP_COUNT,
-      STOP_DURATION,
-      AT_LEAST_COUNT,
-      AT_LEAST_DURATION
-    } mode;
+  enum Mode {
+    MIN,
+    MAX,
+    STOP_COUNT,
+    STOP_DURATION,
+    AT_LEAST_COUNT,
+    AT_LEAST_DURATION
+  } mode;
 
   virtual int _read(struct Sample *smps[], unsigned cnt);
 
@@ -107,6 +108,8 @@ public:
   virtual std::vector<int> getPollFDs();
 
   virtual const std::string &getDetails();
+
+  double getEstimatedDuration() const;
 };
 
 class TestRTTNodeFactory : public NodeFactory {
diff --git a/lib/nodes/test_rtt.cpp b/lib/nodes/test_rtt.cpp
index f37197e67..d7dd19884 100644
--- a/lib/nodes/test_rtt.cpp
+++ b/lib/nodes/test_rtt.cpp
@@ -83,6 +83,10 @@ json_t *TestRTT::Case::getMetadata() {
       "received", received, "missed", missed, "warmup", json_warmup);
 }
 
+double TestRTT::Case::getEstimatedDuration() const {
+  return (count_warmup + count) * rate;
+}
+
 int TestRTT::prepare() {
   unsigned max_values = 0;
 
@@ -291,8 +295,9 @@ int TestRTT::parse(json_t *json) {
 
 const std::string &TestRTT::getDetails() {
   if (details.empty()) {
-    details = fmt::format("output={}, prefix={}, #cases={}, shutdown={}",
-                          output, prefix, cases.size(), shutdown);
+    details = fmt::format(
+        "output={}, prefix={}, #cases={}, shutdown={}, estimated_duration={}s",
+        output, prefix, cases.size(), shutdown, getEstimatedDuration());
   }
 
   return details;
@@ -445,6 +450,16 @@ int TestRTT::_write(struct Sample *smps[], unsigned cnt) {
 
 std::vector<int> TestRTT::getPollFDs() { return {task.getFD()}; }
 
+double TestRTT : getEstimatedDuration() const {
+  double duration = 0;
+
+  for (auto &c : cases) {
+    duration += c.getEstimatedDuration();
+  }
+
+  return duration;
+}
+
 int TestRTTNodeFactory::start(SuperNode *sn_) {
   sn = sn_;