Change profiler time reporting format

libs/util/source/profiler.cpp

@@ -33,6 +33,42 @@ namespace psemek::util
 
 		static thread_local profiler_tree * current = nullptr;
 
+		struct pretty_impl
+		{
+			double value;
+		};
+
+		pretty_impl pretty(double value)
+		{
+			return {value};
+		}
+
+		std::ostream & operator << (std::ostream & os, pretty_impl p)
+		{
+			char const * suf[] =
+			{
+				"ns",
+				"us",
+				"ms",
+				"s",
+			};
+
+			double s = 1e-9;
+
+			for (std::size_t i = 0; i < 4; ++i)
+			{
+				if (p.value < (s * 1000.0) || i == 3)
+				{
+					os << (p.value / s) << ' ' << suf[i];
+					return os;
+				}
+
+				s *= 1000.0;
+			}
+
+			return os;
+		}
+
 		void dump_impl(profiler_tree const & node, std::size_t depth)
 		{
 			std::size_t max_name_length = 0;
@@ -42,9 +78,13 @@ namespace psemek::util
 
 			for (auto const & c : node.children)
 			{
+				auto const & stat = c.second.execution_time;
 				log::info() << std::string(depth * 2, ' ') << std::setw(max_name_length + 3) << std::left << std::setfill(' ') << c.first
-					<< util::pretty(std::chrono::duration<double>{c.second.execution_time.mean()}, std::chrono::microseconds{})
+					<< " avg " << pretty(stat.mean())
-					<< " (" << c.second.execution_time.count() << " calls)";
+					<< "    25% " << pretty(stat.percentile(0.25))
+					<< "    50% " << pretty(stat.percentile(0.50))
+					<< "    75% " << pretty(stat.percentile(0.75))
+					<< " (" << stat.count() << " calls)";
 				dump_impl(c.second, depth + 1);
 			}
 		}