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