From 30c63fa4a618f7629f22079247dbd7536e7e4187 Mon Sep 17 00:00:00 2001
From: mitaclaw <140017135+mitaclaw@users.noreply.github.com>
Date: Fri, 5 Apr 2024 22:30:03 -0700
Subject: [PATCH] Common: Remove Unused PerformanceCounter Code

---
 Source/Core/Common/CMakeLists.txt         |  2 -
 Source/Core/Common/PerformanceCounter.cpp | 47 -----------------------
 Source/Core/Common/PerformanceCounter.h   | 16 --------
 Source/Core/Core/PowerPC/Jit64/Jit.cpp    |  1 -
 Source/Core/Core/PowerPC/JitArm64/Jit.cpp |  1 -
 Source/Core/Core/PowerPC/JitInterface.cpp |  6 ---
 Source/Core/DolphinLib.props              |  2 -
 7 files changed, 75 deletions(-)
 delete mode 100644 Source/Core/Common/PerformanceCounter.cpp
 delete mode 100644 Source/Core/Common/PerformanceCounter.h

diff --git a/Source/Core/Common/CMakeLists.txt b/Source/Core/Common/CMakeLists.txt
index 1431239af2..7b81cd2c6d 100644
--- a/Source/Core/Common/CMakeLists.txt
+++ b/Source/Core/Common/CMakeLists.txt
@@ -108,8 +108,6 @@ add_library(common
   Network.h
   PcapFile.cpp
   PcapFile.h
-  PerformanceCounter.cpp
-  PerformanceCounter.h
   Profiler.cpp
   Profiler.h
   QoSSession.cpp
diff --git a/Source/Core/Common/PerformanceCounter.cpp b/Source/Core/Common/PerformanceCounter.cpp
deleted file mode 100644
index efe78e33db..0000000000
--- a/Source/Core/Common/PerformanceCounter.cpp
+++ /dev/null
@@ -1,47 +0,0 @@
-// Copyright 2014 Dolphin Emulator Project
-// SPDX-License-Identifier: GPL-2.0-or-later
-
-#if !defined(_WIN32)
-#include "Common/PerformanceCounter.h"
-
-#include <cstdint>
-#include <ctime>
-
-#include <unistd.h>
-
-#include "Common/CommonTypes.h"
-
-#if defined(_POSIX_TIMERS) && _POSIX_TIMERS > 0
-#if defined(_POSIX_MONOTONIC_CLOCK) && _POSIX_MONOTONIC_CLOCK > 0
-#define DOLPHIN_CLOCK CLOCK_MONOTONIC
-#else
-#define DOLPHIN_CLOCK CLOCK_REALTIME
-#endif
-#endif
-
-bool QueryPerformanceCounter(u64* out)
-{
-#if defined(_POSIX_TIMERS) && _POSIX_TIMERS > 0
-  timespec tp;
-  if (clock_gettime(DOLPHIN_CLOCK, &tp))
-    return false;
-  *out = (u64)tp.tv_nsec + (u64)1000000000 * (u64)tp.tv_sec;
-  return true;
-#else
-  *out = 0;
-  return false;
-#endif
-}
-
-bool QueryPerformanceFrequency(u64* out)
-{
-#if defined(_POSIX_TIMERS) && _POSIX_TIMERS > 0
-  *out = 1000000000;
-  return true;
-#else
-  *out = 1;
-  return false;
-#endif
-}
-
-#endif
diff --git a/Source/Core/Common/PerformanceCounter.h b/Source/Core/Common/PerformanceCounter.h
deleted file mode 100644
index 080f40c6cf..0000000000
--- a/Source/Core/Common/PerformanceCounter.h
+++ /dev/null
@@ -1,16 +0,0 @@
-// Copyright 2014 Dolphin Emulator Project
-// SPDX-License-Identifier: GPL-2.0-or-later
-
-#pragma once
-
-#if !defined(_WIN32)
-
-#include <cstdint>
-
-#include "Common/CommonTypes.h"
-
-typedef u64 LARGE_INTEGER;
-bool QueryPerformanceCounter(u64* out);
-bool QueryPerformanceFrequency(u64* lpFrequency);
-
-#endif
diff --git a/Source/Core/Core/PowerPC/Jit64/Jit.cpp b/Source/Core/Core/PowerPC/Jit64/Jit.cpp
index 826a7ac8d6..867190e284 100644
--- a/Source/Core/Core/PowerPC/Jit64/Jit.cpp
+++ b/Source/Core/Core/PowerPC/Jit64/Jit.cpp
@@ -19,7 +19,6 @@
 #include "Common/GekkoDisassembler.h"
 #include "Common/IOFile.h"
 #include "Common/Logging/Log.h"
-#include "Common/PerformanceCounter.h"
 #include "Common/StringUtil.h"
 #include "Common/Swap.h"
 #include "Common/x64ABI.h"
diff --git a/Source/Core/Core/PowerPC/JitArm64/Jit.cpp b/Source/Core/Core/PowerPC/JitArm64/Jit.cpp
index 8e08d2b21d..f596128ef9 100644
--- a/Source/Core/Core/PowerPC/JitArm64/Jit.cpp
+++ b/Source/Core/Core/PowerPC/JitArm64/Jit.cpp
@@ -10,7 +10,6 @@
 #include "Common/Logging/Log.h"
 #include "Common/MathUtil.h"
 #include "Common/MsgHandler.h"
-#include "Common/PerformanceCounter.h"
 #include "Common/StringUtil.h"
 
 #include "Core/ConfigManager.h"
diff --git a/Source/Core/Core/PowerPC/JitInterface.cpp b/Source/Core/Core/PowerPC/JitInterface.cpp
index 7c01b1fa83..bd31893035 100644
--- a/Source/Core/Core/PowerPC/JitInterface.cpp
+++ b/Source/Core/Core/PowerPC/JitInterface.cpp
@@ -7,12 +7,6 @@
 #include <string>
 #include <unordered_set>
 
-#ifdef _WIN32
-#include <windows.h>
-#else
-#include "Common/PerformanceCounter.h"
-#endif
-
 #include <fmt/format.h>
 
 #include "Common/Assert.h"
diff --git a/Source/Core/DolphinLib.props b/Source/Core/DolphinLib.props
index 935efe89d2..cd6fcfc161 100644
--- a/Source/Core/DolphinLib.props
+++ b/Source/Core/DolphinLib.props
@@ -141,7 +141,6 @@
     <ClInclude Include="Common\NandPaths.h" />
     <ClInclude Include="Common\Network.h" />
     <ClInclude Include="Common\PcapFile.h" />
-    <ClInclude Include="Common\PerformanceCounter.h" />
     <ClInclude Include="Common\Profiler.h" />
     <ClInclude Include="Common\QoSSession.h" />
     <ClInclude Include="Common\Random.h" />
@@ -823,7 +822,6 @@
     <ClCompile Include="Common\NandPaths.cpp" />
     <ClCompile Include="Common\Network.cpp" />
     <ClCompile Include="Common\PcapFile.cpp" />
-    <ClCompile Include="Common\PerformanceCounter.cpp" />
     <ClCompile Include="Common\Profiler.cpp" />
     <ClCompile Include="Common\QoSSession.cpp" />
     <ClCompile Include="Common\Random.cpp" />