diff --git a/repos/mml/src/app/blinktree/blinktree_benchmark/benchmark.cpp b/repos/mml/src/app/blinktree/blinktree_benchmark/benchmark.cpp
index d0c124e05e..80c4ef7c7e 100644
--- a/repos/mml/src/app/blinktree/blinktree_benchmark/benchmark.cpp
+++ b/repos/mml/src/app/blinktree/blinktree_benchmark/benchmark.cpp
@@ -22,16 +22,14 @@ Benchmark::Benchmark(Libc::Env &env, benchmark::Cores &&cores, const std::uint16
       _result_file_name(std::move(result_file_name)), _statistic_file_name(std::move(statistic_file_name)),
       _tree_file_name(std::move(tree_file_name)), _profile(profile), _workload(env)
 {
-#ifdef PERF_SUPPORT
     if (use_performance_counter)
     {
         this->_chronometer.add(benchmark::Perf::CYCLES);
         this->_chronometer.add(benchmark::Perf::INSTRUCTIONS);
-        this->_chronometer.add(benchmark::Perf::STALLS_MEM_ANY);
+        //this->_chronometer.add(benchmark::Perf::STALLS_MEM_ANY);
         this->_chronometer.add(benchmark::Perf::SW_PREFETCH_ACCESS_NTA);
         this->_chronometer.add(benchmark::Perf::SW_PREFETCH_ACCESS_WRITE);
     }
-#endif
     std::cout << "core configuration: \n" << this->_cores.dump(2) << std::endl;
 
     this->_workload.build(fill_workload_file, mixed_workload_file);
@@ -117,7 +115,18 @@ void Benchmark::requests_finished()
 
     if (open_requests == 0U) // All request schedulers are done.
     {
+        std::uint16_t core_id = mx::system::topology::core_id();
+        if (core_id != 0)
+        {
+            this->_open_requests++;
+            auto *stop_task = mx::tasking::runtime::new_task<StopMeasurementTask>(0U, *this);
+            stop_task->annotate(static_cast<mx::tasking::TaskInterface::channel>(0));
+            mx::tasking::runtime::spawn(*stop_task, core_id);
+            return;
+        }
+
         // Stop and print time (and performance counter).
+        //Genode::log("Stopping timer");
         const auto result = this->_chronometer.stop(this->_workload.size());
         mx::tasking::runtime::stop();
 
@@ -126,7 +135,7 @@ void Benchmark::requests_finished()
         //std::cout << result << std::endl;
         //if (mx::system::topology::core_id() == 0)
         //std::cout << result << "\t " << (_end - _start) << " cycles" << std::endl;
-        std::cout << result.to_json().dump() << std::endl;
+        std::cout << "core: " << mx::system::topology::core_id() << result.to_json().dump() << std::endl;
         
 
           //  std::cout << result << std::endl;
diff --git a/repos/mml/src/app/blinktree/blinktree_benchmark/benchmark.h b/repos/mml/src/app/blinktree/blinktree_benchmark/benchmark.h
index 44f1cf9454..67cf8157da 100644
--- a/repos/mml/src/app/blinktree/blinktree_benchmark/benchmark.h
+++ b/repos/mml/src/app/blinktree/blinktree_benchmark/benchmark.h
@@ -110,6 +110,7 @@ private:
     [[nodiscard]] std::string profile_file_name() const;
 
     friend class StartMeasurementTask;
+    friend class StopMeasurementTask;
 };
 
 class StartMeasurementTask : public mx::tasking::TaskInterface
@@ -123,9 +124,26 @@ class StartMeasurementTask : public mx::tasking::TaskInterface
 
         mx::tasking::TaskResult execute(const std::uint16_t core_id, const std::uint16_t channel_id) override 
         {
+            //Genode::log("Starting timer");
             _benchmark._chronometer.start(static_cast<std::uint16_t>(static_cast<benchmark::phase>(_benchmark._workload)), _benchmark._current_iteration + 1, _benchmark._cores.current());
             //_benchmark._start = Genode::Trace::timestamp();
             return mx::tasking::TaskResult::make_remove();
         }
 };
+
+class StopMeasurementTask : public mx::tasking::TaskInterface
+{
+    private:
+        Benchmark &_benchmark;
+
+    public:
+        constexpr StopMeasurementTask(Benchmark& benchmark) : _benchmark(benchmark) {}
+        ~StopMeasurementTask() override = default;
+
+        mx::tasking::TaskResult execute(const std::uint16_t core_id, const std::uint16_t channel_id) override 
+        {
+            _benchmark.requests_finished();
+            return mx::tasking::TaskResult::make_remove();
+        }
+};
 } // namespace application::blinktree_benchmark
\ No newline at end of file