From 0663501d6fad7ef434779523467ff5a4dd194505 Mon Sep 17 00:00:00 2001
From: Gregory Hainaut <gregory.hainaut@gmail.com>
Date: Mon, 10 Aug 2015 08:33:39 +0200
Subject: [PATCH] gsdx-linux: disable perf monitor on release build

Code is rather slow on linux. Expect a 5-10% perf increase
---
 plugins/GSdx/GSPerfMon.cpp | 8 ++++++++
 plugins/GSdx/config.h      | 4 ++++
 2 files changed, 12 insertions(+)

diff --git a/plugins/GSdx/GSPerfMon.cpp b/plugins/GSdx/GSPerfMon.cpp
index b80406a220..52a82006ef 100644
--- a/plugins/GSdx/GSPerfMon.cpp
+++ b/plugins/GSdx/GSPerfMon.cpp
@@ -35,6 +35,7 @@ GSPerfMon::GSPerfMon()
 
 void GSPerfMon::Put(counter_t c, double val)
 {
+#ifndef DISABLE_PERF_MON
 	if(c == Frame)
 	{
 #ifdef __linux__
@@ -60,10 +61,12 @@ void GSPerfMon::Put(counter_t c, double val)
 	{
 		m_counters[c] += val;
 	}
+#endif
 }
 
 void GSPerfMon::Update()
 {
+#ifndef DISABLE_PERF_MON
 	if(m_count > 0)
 	{
 		for(size_t i = 0; i < countof(m_counters); i++)
@@ -75,25 +78,30 @@ void GSPerfMon::Update()
 	}
 
 	memset(m_counters, 0, sizeof(m_counters));
+#endif
 }
 
 void GSPerfMon::Start(int timer)
 {
+#ifndef DISABLE_PERF_MON
 	m_start[timer] = __rdtsc();
 
 	if(m_begin[timer] == 0)
 	{
 		m_begin[timer] = m_start[timer];
 	}
+#endif
 }
 
 void GSPerfMon::Stop(int timer)
 {
+#ifndef DISABLE_PERF_MON
 	if(m_start[timer] > 0)
 	{
 		m_total[timer] += __rdtsc() - m_start[timer];
 		m_start[timer] = 0;
 	}
+#endif
 }
 
 int GSPerfMon::CPU(int timer, bool reset)
diff --git a/plugins/GSdx/config.h b/plugins/GSdx/config.h
index 299babaf30..830952065f 100644
--- a/plugins/GSdx/config.h
+++ b/plugins/GSdx/config.h
@@ -45,6 +45,10 @@
 #endif
 //#define ENABLE_OGL_DEBUG_MEM_BW // compute the quantity of data transfered (debug purpose)
 
+#if defined(__linux__) && !(defined(_DEBUG) || defined(_DEVEL))
+#define DISABLE_PERF_MON // Burn cycle for nothing in release mode
+#endif
+
 #ifdef _WINDOWS
 //#define ENABLE_OPENCL
 #endif