1 files changed, 40 insertions, 0 deletions
diff --git a/src/mbgl/util/stopwatch.hpp b/src/mbgl/util/stopwatch.hpp
new file mode 100644
index 0000000000..663bbb6fc7
--- /dev/null
+++ b/src/mbgl/util/stopwatch.hpp
@@ -0,0 +1,40 @@
+#ifndef MBGL_UTIL_STOPWATCH
+#define MBGL_UTIL_STOPWATCH
+
+#include <mbgl/platform/event.hpp>
+
+#include <string>
+
+namespace mbgl {
+namespace util {
+
+#ifndef DISABLE_STOPWATCH
+class stopwatch {
+public:
+    stopwatch(Event event = Event::General);
+    stopwatch(EventSeverity severity, Event event = Event::General);
+    stopwatch(const std::string &name, Event event = Event::General);
+    stopwatch(const std::string &name, EventSeverity severity, Event event = Event::General);
+    void report(const std::string &name);
+    ~stopwatch();
+
+private:
+    const std::string name;
+    EventSeverity severity = EventSeverity::Debug;
+    Event event = Event::General;
+    uint64_t start;
+};
+#else
+class stopwatch {
+    inline stopwatch(Event event = Event::General);
+    inline stopwatch(EventSeverity severity, Event event = Event::General);
+    inline stopwatch(const std::string &name, Event event = Event::General);
+    inline stopwatch(const std::string &name, EventSeverity severity, Event event = Event::General);
+    inline void report(const std::string &name) {}
+    inline ~stopwatch() {}
+};
+#endif
+}
+}
+
+#endif