added gpr speed tracking

data_acq_and_processing/sweep_orchestrator/src/sweep_orchestrator.cpp

@@ -142,6 +142,7 @@ auto SweepOrchestrator::acquire_one_collection(
     collection.collection_id = collection_id;
     collection.monotonic_ns = ipc::current_monotonic_ns();
     collection.traces.reserve(config_.run_combos.size());
+    collection.capture_start_ns = ipc::current_monotonic_ns();
     bool interrupted = false;
 
     for (const auto& combo : config_.run_combos) {
@@ -170,8 +171,13 @@ auto SweepOrchestrator::acquire_one_collection(
     if (interrupted) {
         // Do not emit partial collections when stop was requested mid-cycle.
         collection.traces.clear();
+        collection.capture_start_ns = 0;
+        collection.capture_end_ns = 0;
+        return collection;
     }
 
+    collection.capture_end_ns = collection.traces.empty() ? 0U : ipc::current_monotonic_ns();
+
     return collection;
 }