phoenix-firestorm/indra/llcommon/lltracesampler.cpp

104 lines
2.2 KiB
C++

/**
* @file lltracesampler.cpp
*
* $LicenseInfo:firstyear=2001&license=viewerlgpl$
* Second Life Viewer Source Code
* Copyright (C) 2012, Linden Research, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation;
* version 2.1 of the License only.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
* $/LicenseInfo$
*/
#include "linden_common.h"
#include "lltracesampler.h"
namespace LLTrace
{
///////////////////////////////////////////////////////////////////////
// Sampler
///////////////////////////////////////////////////////////////////////
Sampler::Sampler(ThreadTrace* thread_trace)
: mElapsedSeconds(0),
mIsStarted(false),
mThreadTrace(thread_trace)
{
}
Sampler::~Sampler()
{
}
void Sampler::start()
{
reset();
resume();
}
void Sampler::reset()
{
mF32Stats.reset();
mS32Stats.reset();
mStackTimers.reset();
mElapsedSeconds = 0.0;
mSamplingTimer.reset();
}
void Sampler::resume()
{
if (!mIsStarted)
{
mSamplingTimer.reset();
getThreadTrace()->activate(this);
mIsStarted = true;
}
}
void Sampler::stop()
{
if (mIsStarted)
{
mElapsedSeconds += mSamplingTimer.getElapsedTimeF64();
getThreadTrace()->deactivate(this);
mIsStarted = false;
}
}
ThreadTrace* Sampler::getThreadTrace()
{
return mThreadTrace;
}
void Sampler::makePrimary()
{
mF32Stats.makePrimary();
mS32Stats.makePrimary();
mStackTimers.makePrimary();
}
void Sampler::mergeFrom( const Sampler* other )
{
mF32Stats.mergeFrom(other->mF32Stats);
mS32Stats.mergeFrom(other->mS32Stats);
mStackTimers.mergeFrom(other->mStackTimers);
}
}