[host] added tracing class to help profile slow code points

This commit is contained in:
Geoffrey McRae 2017-12-23 18:15:15 +11:00
parent db52a55b36
commit 16e804b068
7 changed files with 128 additions and 4 deletions

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@ -21,6 +21,7 @@ Place, Suite 330, Boston, MA 02111-1307 USA
using namespace Capture;
#include "common/debug.h"
#include "TraceUtil.h"
DXGI::DXGI() :
m_options(NULL),
@ -264,6 +265,7 @@ void DXGI::WaitForDesktop()
GrabStatus DXGI::GrabFrame(FrameInfo & frame)
{
TRACE;
if (!m_initialized)
return GRAB_STATUS_ERROR;
@ -446,7 +448,9 @@ GrabStatus DXGI::GrabFrame(FrameInfo & frame)
frame.stride = m_mapping.RowPitch / 4;
unsigned int size = m_height * m_mapping.RowPitch;
TRACE_START("DXGI Memory Copy");
m_memcpy.Copy(frame.buffer, m_mapping.pData, size < frame.bufferSize ? size : frame.bufferSize);
TRACE_END;
return GRAB_STATUS_OK;
}

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@ -25,6 +25,11 @@ OBJS = main.o \
Service.o \
Capture/DXGI.o
ifeq ($(ENABLE_TRACING),1)
CFLAGS += -DENABLE_TRACING
OBJS += TraceUtil.o
endif
ifeq ($(CONFIG_CAPTURE_NVFBC),1)
CFLAGS += -DCONFIG_CAPTURE_NVFBC=1 -I../vendor
OBJS += Capture/NvFBC.o

25
host/TraceUtil.cpp Normal file
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@ -0,0 +1,25 @@
/*
Looking Glass - KVM FrameRelay (KVMFR) Client
Copyright (C) 2017 Geoffrey McRae <geoff@hostfission.com>
https://looking-glass.hostfission.com
This program is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free Software
Foundation; either version 2 of the License, or (at your option) any later
version.
This program is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
PARTICULAR PURPOSE. See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License along with
this program; if not, write to the Free Software Foundation, Inc., 59 Temple
Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "TraceUtil.h"
double TraceUtil::m_freq;
LARGE_INTEGER TraceUtil::m_last;
LARGE_INTEGER TraceUtil::m_start;
const char * TraceUtil::m_traceName;

79
host/TraceUtil.h Normal file
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@ -0,0 +1,79 @@
/*
Looking Glass - KVM FrameRelay (KVMFR) Client
Copyright (C) 2017 Geoffrey McRae <geoff@hostfission.com>
https://looking-glass.hostfission.com
This program is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free Software
Foundation; either version 2 of the License, or (at your option) any later
version.
This program is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
PARTICULAR PURPOSE. See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License along with
this program; if not, write to the Free Software Foundation, Inc., 59 Temple
Place, Suite 330, Boston, MA 02111-1307 USA
*/
#pragma once
#include <windows.h>
#include <stdint.h>
#include "common/debug.h"
#ifdef ENABLE_TRACING
#define TRACE TraceUtil::Trace(__FUNCTION__, __LINE__)
#define TRACE_START(x) TraceUtil::TraceStart(x)
#define TRACE_END TraceUtil::TraceEnd()
#else
#define TRACE
#define TRACE_START(x)
#define TRACE_END
#endif
class TraceUtil
{
private:
static double m_freq;
static LARGE_INTEGER m_last;
static LARGE_INTEGER m_start;
static const char * m_traceName;
public:
static void Initialize()
{
#ifdef ENABLE_TRACING
LARGE_INTEGER now;
QueryPerformanceFrequency(&now);
m_freq = (double)now.QuadPart / 1000.0;
QueryPerformanceCounter(&m_last);
#endif
}
static inline void Trace(const char * function, const unsigned int line)
{
LARGE_INTEGER now;
QueryPerformanceCounter(&now);
const double diff = (now.QuadPart - m_last.QuadPart) / m_freq;
m_last = now;
DEBUG_INFO("Trace [%8.4f] %s:%u", diff, function, line);
}
static inline void TraceStart(const char * traceName)
{
QueryPerformanceCounter(&m_start);
m_traceName = traceName;
}
static inline void TraceEnd()
{
LARGE_INTEGER now;
QueryPerformanceCounter(&now);
const double diff = (now.QuadPart - m_start.QuadPart) / m_freq;
DEBUG_INFO("Trace [%8.4f] %s", diff, m_traceName);
}
};

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@ -158,7 +158,7 @@
</PrecompiledHeader>
<WarningLevel>Level3</WarningLevel>
<Optimization>Disabled</Optimization>
<PreprocessorDefinitions>WIN32;_DEBUG;_WINDOWS;%(PreprocessorDefinitions);DEBUG</PreprocessorDefinitions>
<PreprocessorDefinitions>ENABLE_TRACING;%(PreprocessorDefinitions)</PreprocessorDefinitions>
<SDLCheck>true</SDLCheck>
<AdditionalIncludeDirectories>..\;.\;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
</ClCompile>
@ -178,7 +178,7 @@
</PrecompiledHeader>
<WarningLevel>Level3</WarningLevel>
<Optimization>Disabled</Optimization>
<PreprocessorDefinitions>CONFIG_CAPTURE_NVFBC;%(PreprocessorDefinitions)</PreprocessorDefinitions>
<PreprocessorDefinitions>ENABLE_TRACING;CONFIG_CAPTURE_NVFBC;%(PreprocessorDefinitions)</PreprocessorDefinitions>
<SDLCheck>true</SDLCheck>
<AdditionalIncludeDirectories>..\;.\;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
</ClCompile>
@ -198,7 +198,7 @@
</PrecompiledHeader>
<WarningLevel>Level3</WarningLevel>
<Optimization>Disabled</Optimization>
<PreprocessorDefinitions>_DEBUG;_WINDOWS;%(PreprocessorDefinitions);DEBUG</PreprocessorDefinitions>
<PreprocessorDefinitions>ENABLE_TRACING;%(PreprocessorDefinitions)</PreprocessorDefinitions>
<SDLCheck>true</SDLCheck>
<AdditionalIncludeDirectories>..\;.\;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
</ClCompile>
@ -218,7 +218,7 @@
</PrecompiledHeader>
<WarningLevel>Level3</WarningLevel>
<Optimization>Disabled</Optimization>
<PreprocessorDefinitions>CONFIG_CAPTURE_NVFBC;%(PreprocessorDefinitions)</PreprocessorDefinitions>
<PreprocessorDefinitions>ENABLE_TRACING;CONFIG_CAPTURE_NVFBC;%(PreprocessorDefinitions)</PreprocessorDefinitions>
<SDLCheck>true</SDLCheck>
<AdditionalIncludeDirectories>..\;.\;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
</ClCompile>
@ -337,6 +337,7 @@
<ClCompile Include="main.cpp" />
<ClCompile Include="MultiMemcpy.cpp" />
<ClCompile Include="Service.cpp" />
<ClCompile Include="TraceUtil.cpp" />
</ItemGroup>
<ItemGroup>
<ClInclude Include="CaptureFactory.h" />
@ -347,6 +348,7 @@
<ClInclude Include="ivshmem.h" />
<ClInclude Include="MultiMemcpy.h" />
<ClInclude Include="Service.h" />
<ClInclude Include="TraceUtil.h" />
<ClInclude Include="Util.h" />
</ItemGroup>
<Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />

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@ -45,6 +45,9 @@
<ClCompile Include="MultiMemcpy.cpp">
<Filter>Source Files</Filter>
</ClCompile>
<ClCompile Include="TraceUtil.cpp">
<Filter>Source Files</Filter>
</ClCompile>
</ItemGroup>
<ItemGroup>
<ClInclude Include="ivshmem.h">
@ -74,5 +77,8 @@
<ClInclude Include="MultiMemcpy.h">
<Filter>Header Files</Filter>
</ClInclude>
<ClInclude Include="TraceUtil.h">
<Filter>Header Files</Filter>
</ClInclude>
</ItemGroup>
</Project>

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@ -24,6 +24,7 @@ Place, Suite 330, Boston, MA 02111-1307 USA
#include "vendor/getopt/getopt.h"
#include "CrashHandler.h"
#include "TraceUtil.h"
#include "CaptureFactory.h"
#include "Service.h"
@ -50,6 +51,8 @@ struct StartupArgs
int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, PSTR szCmdParam, int iCmdShow)
{
CrashHandler::Initialize();
TraceUtil::Initialize();
SetPriorityClass(GetCurrentProcess(), REALTIME_PRIORITY_CLASS);
struct StartupArgs args;