SH-3275 WIP Run viewer metrics for object update messages

factored out lltrace::sampler into separate file
added rudimentary lltrace support to llstatgraph
made llstatgraph use param blocks more effectively
moves initial set of stats over to lltrace
removed windows.h #defines for min and max

1 files changed, 103 insertions, 0 deletions

diff --git a/indra/llcommon/lltracesampler.cpp b/indra/llcommon/lltracesampler.cpp
new file mode 100644
index 0000000000..0cf01d7a3a
--- /dev/null
+++ b/indra/llcommon/lltracesampler.cpp
@@ -0,0 +1,103 @@
+/** 
+ * @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);
+}
+
+}