From 17932935d9fad77ce5703d29ec145084a08bb2ab Mon Sep 17 00:00:00 2001
From: degasus <wickmarkus@web.de>
Date: Thu, 20 Aug 2015 11:41:49 +0200
Subject: [PATCH] Profiler: Sort output by total time

---
 Source/Core/Common/Profiler.cpp        | 16 ++++++++++++++++
 Source/Core/Common/Profiler.h          | 11 ++++++++++-
 Source/Core/VideoCommon/RenderBase.cpp |  2 +-
 3 files changed, 27 insertions(+), 2 deletions(-)

diff --git a/Source/Core/Common/Profiler.cpp b/Source/Core/Common/Profiler.cpp
index 8d347afb89..7a195dd02d 100644
--- a/Source/Core/Common/Profiler.cpp
+++ b/Source/Core/Common/Profiler.cpp
@@ -12,11 +12,15 @@
 #include "Common/Profiler.h"
 #include "Common/Timer.h"
 
+namespace Common
+{
+
 static const u32 PROFILER_FIELD_LENGTH = 8;
 static const u32 PROFILER_FIELD_LENGTH_FP = PROFILER_FIELD_LENGTH + 3;
 static const int PROFILER_LAZY_DELAY = 60; // in frames
 
 std::list<Profiler*> Profiler::s_all_profilers;
+std::mutex Profiler::s_mutex;
 u32 Profiler::s_max_length = 0;
 u64 Profiler::s_frame_time;
 u64 Profiler::s_usecs_frame;
@@ -30,14 +34,21 @@ Profiler::Profiler(const std::string& name)
 	m_time = Common::Timer::GetTimeUs();
 	s_max_length = std::max<u32>(s_max_length, u32(m_name.length()));
 
+	std::lock_guard<std::mutex> lk(s_mutex);
 	s_all_profilers.push_back(this);
 }
 
 Profiler::~Profiler()
 {
+	std::lock_guard<std::mutex> lk(s_mutex);
 	s_all_profilers.remove(this);
 }
 
+bool Profiler::operator<(const Profiler& b) const
+{
+	return m_usecs < b.m_usecs;
+}
+
 std::string Profiler::ToString()
 {
 	if (s_lazy_delay > 0)
@@ -48,6 +59,7 @@ std::string Profiler::ToString()
 	s_lazy_delay = PROFILER_LAZY_DELAY - 1;
 
 	// don't write anything if no profilation is enabled
+	std::lock_guard<std::mutex> lk(s_mutex);
 	if (s_all_profilers.empty())
 		return "";
 
@@ -66,6 +78,8 @@ std::string Profiler::ToString()
 	buffer << std::setw(PROFILER_FIELD_LENGTH) << std::right << "max" << " ";
 	buffer << "/ usec" << std::endl;
 
+	s_all_profilers.sort([](Profiler* a, Profiler* b) { return *b < *a; });
+
 	for (auto profiler : s_all_profilers)
 	{
 		buffer << profiler->Read() << std::endl;
@@ -136,3 +150,5 @@ std::string Profiler::Read()
 
 	return buffer.str();
 }
+
+}
diff --git a/Source/Core/Common/Profiler.h b/Source/Core/Common/Profiler.h
index 0b1a41dde3..c3643d4945 100644
--- a/Source/Core/Common/Profiler.h
+++ b/Source/Core/Common/Profiler.h
@@ -5,10 +5,14 @@
 #pragma once
 
 #include <list>
+#include <mutex>
 #include <string>
 
 #include "CommonTypes.h"
 
+namespace Common
+{
+
 class Profiler
 {
 public:
@@ -21,8 +25,11 @@ public:
 	void Stop();
 	std::string Read();
 
+	bool operator<(const Profiler& b) const;
+
 private:
 	static std::list<Profiler*> s_all_profilers;
+	static std::mutex s_mutex;
 	static u32 s_max_length;
 	static u64 s_frame_time;
 	static u64 s_usecs_frame;
@@ -55,5 +62,7 @@ private:
 	Profiler* m_p;
 };
 
+};
+
 // Warning: This profiler isn't thread safe. Only profile functions which doesn't run simultaneously
-#define PROFILE(name) static Profiler prof_gen(name); ProfilerExecuter prof_e(&prof_gen);
+#define PROFILE(name) static Common::Profiler prof_gen(name); Common::ProfilerExecuter prof_e(&prof_gen);
diff --git a/Source/Core/VideoCommon/RenderBase.cpp b/Source/Core/VideoCommon/RenderBase.cpp
index e116a38443..55a6cb8760 100644
--- a/Source/Core/VideoCommon/RenderBase.cpp
+++ b/Source/Core/VideoCommon/RenderBase.cpp
@@ -402,7 +402,7 @@ void Renderer::DrawDebugText()
 		}
 	}
 
-	final_cyan += Profiler::ToString();
+	final_cyan += Common::Profiler::ToString();
 
 	if (g_ActiveConfig.bOverlayStats)
 		final_cyan += Statistics::ToString();