Basic IPC stats support

1 files changed, 35 insertions, 0 deletions

diff --git a/infra/stat.h b/infra/stat.h
new file mode 100644
index 0000000..f1ca75a
--- /dev/null
+++ b/infra/stat.h
@@ -0,0 +1,35 @@
+#pragma once
+
+#include <fmt/format.h>
+#include <utility>
+
+#include "infra/sim.h"
+
+namespace infra {
+    struct stat : public sim {
+        std::string name;
+        std::uint64_t numerator = 0;
+        std::uint64_t denominator = 0;
+
+        stat(std::string name)
+            : name(std::move(name))
+        { }
+
+        ~stat() {
+            fmt::print("# {} {}\n", name, (double)numerator/(double)denominator);
+        }
+
+        void unclock() {
+            ++denominator;
+        }
+
+        stat & operator++() {
+            ++numerator;
+            return *this;
+        }
+
+        stat & operator++(int) {
+            return operator++();
+        }
+    };
+}