diff --git a/src/clientiface.cpp b/src/clientiface.cpp
index 356281ca6..68bd4afe7 100644
--- a/src/clientiface.cpp
+++ b/src/clientiface.cpp
@@ -590,9 +590,9 @@ void RemoteClient::notifyEvent(ClientStateEvent event)
 	}
 }
 
-u32 RemoteClient::uptime() const
+u64 RemoteClient::uptime() const
 {
-	return porting::getTime(PRECISION_SECONDS) - m_connection_time;
+	return porting::getTimeS() - m_connection_time;
 }
 
 ClientInterface::ClientInterface(con::Connection* con)
diff --git a/src/clientiface.h b/src/clientiface.h
index a219ed5fc..d2299c879 100644
--- a/src/clientiface.h
+++ b/src/clientiface.h
@@ -266,7 +266,7 @@ public:
 		m_version_patch(0),
 		m_full_version("unknown"),
 		m_deployed_compression(0),
-		m_connection_time(porting::getTime(PRECISION_SECONDS))
+		m_connection_time(porting::getTimeS())
 	{
 	}
 	~RemoteClient()
@@ -345,7 +345,7 @@ public:
 		{ serialization_version = m_pending_serialization_version; }
 
 	/* get uptime */
-	u32 uptime() const;
+	u64 uptime() const;
 
 	/* set version information */
 	void setVersionInfo(u8 major, u8 minor, u8 patch, const std::string &full)
@@ -432,7 +432,7 @@ private:
 	/*
 		time this client was created
 	 */
-	const u32 m_connection_time;
+	const u64 m_connection_time;
 };
 
 class ClientInterface {
diff --git a/src/guiFormSpecMenu.cpp b/src/guiFormSpecMenu.cpp
index 64642cf1f..971d505fd 100644
--- a/src/guiFormSpecMenu.cpp
+++ b/src/guiFormSpecMenu.cpp
@@ -2658,7 +2658,7 @@ void GUIFormSpecMenu::drawMenu()
 	if (hovered != NULL) {
 		s32 id = hovered->getID();
 
-		u32 delta = 0;
+		u64 delta = 0;
 		if (id == -1) {
 			m_old_tooltip_id = id;
 			m_old_tooltip = L"";
@@ -3247,7 +3247,7 @@ bool GUIFormSpecMenu::DoubleClickDetection(const SEvent event)
 		m_doubleclickdetect[1].time = porting::getTimeMs();
 	}
 	else if (event.MouseInput.Event == EMIE_LMOUSE_LEFT_UP) {
-		u32 delta = porting::getDeltaMs(m_doubleclickdetect[0].time, porting::getTimeMs());
+		u64 delta = porting::getDeltaMs(m_doubleclickdetect[0].time, porting::getTimeMs());
 		if (delta > 400) {
 			return false;
 		}
diff --git a/src/guiFormSpecMenu.h b/src/guiFormSpecMenu.h
index 18ccf1c3a..557a1cc9f 100644
--- a/src/guiFormSpecMenu.h
+++ b/src/guiFormSpecMenu.h
@@ -420,8 +420,8 @@ protected:
 	v2s32 m_old_pointer;  // Mouse position after previous mouse event
 	gui::IGUIStaticText *m_tooltip_element;
 
-	u32 m_tooltip_show_delay;
-	s64 m_hovered_time;
+	u64 m_tooltip_show_delay;
+	u64 m_hovered_time;
 	s32 m_old_tooltip_id;
 	std::wstring m_old_tooltip;
 
diff --git a/src/hud.cpp b/src/hud.cpp
index 3e4162b64..72145b4da 100644
--- a/src/hud.cpp
+++ b/src/hud.cpp
@@ -626,7 +626,7 @@ void Hud::resizeHotbar() {
 }
 
 struct MeshTimeInfo {
-	s64 time;
+	u64 time;
 	scene::IMesh *mesh;
 };
 
diff --git a/src/intlGUIEditBox.h b/src/intlGUIEditBox.h
index e3ee15a30..bb617476c 100644
--- a/src/intlGUIEditBox.h
+++ b/src/intlGUIEditBox.h
@@ -155,7 +155,7 @@ namespace gui
 		gui::IGUIFont *OverrideFont, *LastBreakFont;
 		IOSOperator* Operator;
 
-		u32 BlinkStartTime;
+		u64 BlinkStartTime;
 		s32 CursorPos;
 		s32 HScrollPos, VScrollPos; // scroll position in characters
 		u32 Max;
diff --git a/src/map.cpp b/src/map.cpp
index 63e1e4ccd..641b7d2dd 100644
--- a/src/map.cpp
+++ b/src/map.cpp
@@ -981,7 +981,7 @@ void Map::transformLiquids(std::map<v3s16, MapBlock*> &modified_blocks,
 
 	time_until_purge *= 1000;	// seconds -> milliseconds
 
-	u32 curr_time = porting::getTime(PRECISION_MILLI);
+	u64 curr_time = porting::getTimeMs();
 	u32 prev_unprocessed = m_unprocessed_count;
 	m_unprocessed_count = m_transforming_liquid.size();
 
diff --git a/src/map.h b/src/map.h
index 7e597bef6..41a1a246b 100644
--- a/src/map.h
+++ b/src/map.h
@@ -343,7 +343,7 @@ protected:
 private:
 	f32 m_transforming_liquid_loop_count_multiplier;
 	u32 m_unprocessed_count;
-	u32 m_inc_trending_up_start_time; // milliseconds
+	u64 m_inc_trending_up_start_time; // milliseconds
 	bool m_queue_size_timer_started;
 
 	DISABLE_CLASS_COPY(Map);
diff --git a/src/network/connection.h b/src/network/connection.h
index 3a8388522..8b7ed9773 100644
--- a/src/network/connection.h
+++ b/src/network/connection.h
@@ -769,7 +769,7 @@ class Peer {
 		// Seconds from last receive
 		float m_timeout_counter;
 
-		u32 m_last_timeout_check;
+		u64 m_last_timeout_check;
 };
 
 class UDPPeer : public Peer
diff --git a/src/profiler.cpp b/src/profiler.cpp
index 197e094f6..8e997442c 100644
--- a/src/profiler.cpp
+++ b/src/profiler.cpp
@@ -21,3 +21,33 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 
 static Profiler main_profiler;
 Profiler *g_profiler = &main_profiler;
+ScopeProfiler::ScopeProfiler(
+		Profiler *profiler, const std::string &name, ScopeProfilerType type)
+    : m_profiler(profiler), m_name(name), m_timer(NULL), m_type(type)
+{
+	if (m_profiler)
+		m_timer = new TimeTaker(m_name);
+}
+
+ScopeProfiler::~ScopeProfiler()
+{
+	if (!m_timer)
+		return;
+
+	float duration_ms = m_timer->stop(true);
+	float duration = duration_ms / 1000.0;
+	if (m_profiler) {
+		switch (m_type) {
+		case SPT_ADD:
+			m_profiler->add(m_name, duration);
+			break;
+		case SPT_AVG:
+			m_profiler->avg(m_name, duration);
+			break;
+		case SPT_GRAPH_ADD:
+			m_profiler->graphAdd(m_name, duration);
+			break;
+		}
+	}
+	delete m_timer;
+}
diff --git a/src/profiler.h b/src/profiler.h
index 6da115972..ce60c6262 100644
--- a/src/profiler.h
+++ b/src/profiler.h
@@ -193,48 +193,8 @@ class ScopeProfiler
 {
 public:
 	ScopeProfiler(Profiler *profiler, const std::string &name,
-			enum ScopeProfilerType type = SPT_ADD):
-		m_profiler(profiler),
-		m_name(name),
-		m_timer(NULL),
-		m_type(type)
-	{
-		if(m_profiler)
-			m_timer = new TimeTaker(m_name.c_str());
-	}
-	// name is copied
-	ScopeProfiler(Profiler *profiler, const char *name,
-			enum ScopeProfilerType type = SPT_ADD):
-		m_profiler(profiler),
-		m_name(name),
-		m_timer(NULL),
-		m_type(type)
-	{
-		if(m_profiler)
-			m_timer = new TimeTaker(m_name.c_str());
-	}
-	~ScopeProfiler()
-	{
-		if(m_timer)
-		{
-			float duration_ms = m_timer->stop(true);
-			float duration = duration_ms / 1000.0;
-			if(m_profiler){
-				switch(m_type){
-				case SPT_ADD:
-					m_profiler->add(m_name, duration);
-					break;
-				case SPT_AVG:
-					m_profiler->avg(m_name, duration);
-					break;
-				case SPT_GRAPH_ADD:
-					m_profiler->graphAdd(m_name, duration);
-					break;
-				}
-			}
-			delete m_timer;
-		}
-	}
+			ScopeProfilerType type = SPT_ADD);
+	~ScopeProfiler();
 private:
 	Profiler *m_profiler;
 	std::string m_name;
diff --git a/src/touchscreengui.cpp b/src/touchscreengui.cpp
index f32679ca4..0139b8c4f 100644
--- a/src/touchscreengui.cpp
+++ b/src/touchscreengui.cpp
@@ -922,7 +922,7 @@ bool TouchScreenGUI::doubleTapDetection()
 	m_key_events[1].x         = m_move_downlocation.X;
 	m_key_events[1].y         = m_move_downlocation.Y;
 
-	u32 delta = porting::getDeltaMs(m_key_events[0].down_time, porting::getTimeMs());
+	u64 delta = porting::getDeltaMs(m_key_events[0].down_time, porting::getTimeMs());
 	if (delta > 400)
 		return false;
 
@@ -1006,7 +1006,7 @@ void TouchScreenGUI::step(float dtime)
 			(!m_move_has_really_moved) &&
 			(!m_move_sent_as_mouse_event)) {
 
-		u32 delta = porting::getDeltaMs(m_move_downtime, porting::getTimeMs());
+		u64 delta = porting::getDeltaMs(m_move_downtime, porting::getTimeMs());
 
 		if (delta > MIN_DIG_TIME_MS) {
 			m_shootline = m_device
diff --git a/src/unittest/test.cpp b/src/unittest/test.cpp
index 9d223b82d..570807ba7 100644
--- a/src/unittest/test.cpp
+++ b/src/unittest/test.cpp
@@ -229,7 +229,7 @@ bool run_tests()
 {
 	DSTACK(FUNCTION_NAME);
 
-	u32 t1 = porting::getTime(PRECISION_MILLI);
+	u64 t1 = porting::getTimeMs();
 	TestGameDef gamedef;
 
 	g_logger.setLevelSilenced(LL_ERROR, true);
@@ -246,7 +246,7 @@ bool run_tests()
 		num_total_tests_run += testmods[i]->num_tests_run;
 	}
 
-	u32 tdiff = porting::getTime(PRECISION_MILLI) - t1;
+	u64 tdiff = porting::getTimeMs() - t1;
 
 	g_logger.setLevelSilenced(LL_ERROR, false);
 
@@ -273,12 +273,12 @@ bool run_tests()
 bool TestBase::testModule(IGameDef *gamedef)
 {
 	rawstream << "======== Testing module " << getName() << std::endl;
-	u32 t1 = porting::getTime(PRECISION_MILLI);
+	u64 t1 = porting::getTimeMs();
 
 
 	runTests(gamedef);
 
-	u32 tdiff = porting::getTime(PRECISION_MILLI) - t1;
+	u64 tdiff = porting::getTimeMs() - t1;
 	rawstream << "======== Module " << getName() << " "
 		<< (num_tests_failed ? "failed" : "passed") << " (" << num_tests_failed
 		<< " failures / " << num_tests_run << " tests) - " << tdiff
diff --git a/src/unittest/test.h b/src/unittest/test.h
index e60e657cc..bf76e8bb2 100644
--- a/src/unittest/test.h
+++ b/src/unittest/test.h
@@ -33,7 +33,7 @@ class TestFailedException : public std::exception {
 
 // Runs a unit test and reports results
 #define TEST(fxn, ...) do {                                                   \
-	u32 t1 = porting::getTime(PRECISION_MILLI);                               \
+	u64 t1 = porting::getTimeMs();                                            \
 	try {                                                                     \
 		fxn(__VA_ARGS__);                                                     \
 		rawstream << "[PASS] ";                                               \
@@ -46,7 +46,7 @@ class TestFailedException : public std::exception {
 		num_tests_failed++;                                                   \
 	}                                                                         \
 	num_tests_run++;                                                          \
-	u32 tdiff = porting::getTime(PRECISION_MILLI) - t1;                       \
+	u64 tdiff = porting::getTimeMs() - t1;                                    \
 	rawstream << #fxn << " - " << tdiff << "ms" << std::endl;                 \
 } while (0)
 
diff --git a/src/util/timetaker.cpp b/src/util/timetaker.cpp
index 0e92696ac..ac686c3a3 100644
--- a/src/util/timetaker.cpp
+++ b/src/util/timetaker.cpp
@@ -23,7 +23,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 #include "../log.h"
 #include <ostream>
 
-TimeTaker::TimeTaker(const char *name, u32 *result, TimePrecision prec)
+TimeTaker::TimeTaker(const std::string &name, u64 *result, TimePrecision prec)
 {
 	m_name = name;
 	m_result = result;
@@ -32,18 +32,13 @@ TimeTaker::TimeTaker(const char *name, u32 *result, TimePrecision prec)
 	m_time1 = porting::getTime(prec);
 }
 
-u32 TimeTaker::stop(bool quiet)
+u64 TimeTaker::stop(bool quiet)
 {
-	if(m_running)
-	{
-		u32 time2 = porting::getTime(m_precision);
-		u32 dtime = time2 - m_time1;
-		if(m_result != NULL)
-		{
+	if (m_running) {
+		u64 dtime = porting::getTime(m_precision) - m_time1;
+		if (m_result != NULL) {
 			(*m_result) += dtime;
-		}
-		else
-		{
+		} else {
 			if (!quiet) {
 				static const char* const units[] = {
 					"s"  /* PRECISION_SECONDS */,
@@ -62,10 +57,8 @@ u32 TimeTaker::stop(bool quiet)
 	return 0;
 }
 
-u32 TimeTaker::getTimerTime()
+u64 TimeTaker::getTimerTime()
 {
-	u32 time2 = porting::getTime(m_precision);
-	u32 dtime = time2 - m_time1;
-	return dtime;
+	return porting::getTime(m_precision) - m_time1;
 }
 
diff --git a/src/util/timetaker.h b/src/util/timetaker.h
index 5512c205f..c10f4f535 100644
--- a/src/util/timetaker.h
+++ b/src/util/timetaker.h
@@ -30,24 +30,24 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 class TimeTaker
 {
 public:
-	TimeTaker(const char *name, u32 *result=NULL,
-		TimePrecision=PRECISION_MILLI);
+	TimeTaker(const std::string &name, u64 *result=NULL,
+		TimePrecision prec=PRECISION_MILLI);
 
 	~TimeTaker()
 	{
 		stop();
 	}
 
-	u32 stop(bool quiet=false);
+	u64 stop(bool quiet=false);
 
-	u32 getTimerTime();
+	u64 getTimerTime();
 
 private:
-	const char *m_name;
-	u32 m_time1;
+	std::string m_name;
+	u64 m_time1;
 	bool m_running;
 	TimePrecision m_precision;
-	u32 *m_result;
+	u64 *m_result;
 };
 
 #endif
diff --git a/src/voxel.cpp b/src/voxel.cpp
index 87773b240..78efde5bb 100644
--- a/src/voxel.cpp
+++ b/src/voxel.cpp
@@ -27,14 +27,10 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 /*
 	Debug stuff
 */
-u32 addarea_time = 0;
-u32 emerge_time = 0;
-u32 emerge_load_time = 0;
-u32 clearflag_time = 0;
-//u32 getwaterpressure_time = 0;
-//u32 spreadwaterpressure_time = 0;
-u32 updateareawaterpressure_time = 0;
-u32 flowwater_pre_time = 0;
+u64 addarea_time = 0;
+u64 emerge_time = 0;
+u64 emerge_load_time = 0;
+u64 clearflag_time = 0;
 
 
 VoxelManipulator::VoxelManipulator():
diff --git a/src/voxel.h b/src/voxel.h
index 58ad39be4..3a64ccc79 100644
--- a/src/voxel.h
+++ b/src/voxel.h
@@ -49,8 +49,8 @@ class INodeDefManager;
 /*
 	Debug stuff
 */
-extern u32 emerge_time;
-extern u32 emerge_load_time;
+extern u64 emerge_time;
+extern u64 emerge_load_time;
 
 /*
 	This class resembles aabbox3d<s16> a lot, but has inclusive