From ebd6b75cc8bbfa8979fc0f1d5c805298d8472124 Mon Sep 17 00:00:00 2001
From: Gabda <gabda87@gmail.com>
Date: Thu, 28 Feb 2019 12:18:06 +0100
Subject: [PATCH] Add: Chrono based TIC() and TOC() in debug

---
 src/debug.h | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/src/debug.h b/src/debug.h
index 1eaa208680be8..3f0f691e42874 100644
--- a/src/debug.h
+++ b/src/debug.h
@@ -13,6 +13,7 @@
 #define DEBUG_H
 
 #include "cpu.h"
+#include <chrono>
 
 /* Debugging messages policy:
  * These should be the severities used for direct DEBUG() calls
@@ -98,6 +99,22 @@ const char *GetDebugString();
 	}\
 }
 
+/* Chrono based version. The output is in microseconds. */
+#define TICC() {\
+	auto _start_ = std::chrono::high_resolution_clock::now();\
+	static uint64 _sum_ = 0;\
+	static uint32 _i_ = 0;
+
+#define TOCC(str, _count_)\
+	_sum_ += (std::chrono::duration_cast<std::chrono::microseconds>(std::chrono::high_resolution_clock::now() - _start_)).count();\
+	if (++_i_ == _count_) {\
+		DEBUG(misc, 0, "[%s] " OTTD_PRINTF64 " us [avg: %.1f us]", str, _sum_, _sum_/(double)_i_);\
+		_i_ = 0;\
+		_sum_ = 0;\
+	}\
+}
+
+
 void ShowInfo(const char *str);
 void CDECL ShowInfoF(const char *str, ...) WARN_FORMAT(1, 2);