1 files changed, 15 insertions, 0 deletions
diff --git a/src/zencompute/runners/functionrunner.h b/src/zencompute/runners/functionrunner.h
index a8234237c..449f0e228 100644
--- a/src/zencompute/runners/functionrunner.h
+++ b/src/zencompute/runners/functionrunner.h
@@ -43,6 +43,21 @@ public:
 	[[nodiscard]] virtual std::vector<SubmitResult> SubmitActions(const std::vector<Ref<RunnerAction>>& Actions);
 	[[nodiscard]] virtual std::string_view			GetDisplayName() const { return "local"; }
 
+	// Accumulated stats from the most recent SubmitActions call.
+	// Reset before each call, populated by the runner implementation.
+	struct SubmitStats
+	{
+		std::atomic<size_t>	  TotalAttachments{0};
+		std::atomic<uint64_t> TotalAttachmentBytes{0};
+
+		void Reset()
+		{
+			TotalAttachments.store(0, std::memory_order_relaxed);
+			TotalAttachmentBytes.store(0, std::memory_order_relaxed);
+		}
+	};
+	SubmitStats m_LastSubmitStats;
+
 	// Best-effort cancellation of a specific in-flight action. Returns true if the
 	// cancellation signal was successfully sent. The action will transition to Cancelled
 	// asynchronously once the platform-level termination completes.