SH-3275 WIP Run viewer metrics for object update messages

added LLThreadLocalPtr
broke llmutex out into llmutex.h
got primary sampling buffer under thread local storage

1 files changed, 95 insertions, 0 deletions

diff --git a/indra/llcommon/lltrace.cpp b/indra/llcommon/lltrace.cpp
new file mode 100644
index 0000000000..037c52f8c1
--- /dev/null
+++ b/indra/llcommon/lltrace.cpp
@@ -0,0 +1,95 @@
+/** 
+ * @file lltrace.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 "lltrace.h"
+#include "llthread.h"
+
+namespace LLTrace
+{
+
+BlockTimer::Recorder::StackEntry BlockTimer::sCurRecorder;
+LLThreadLocalPtr<ThreadTraceData> ThreadTraceData::sCurThreadTrace;
+
+///////////////////////////////////////////////////////////////////////
+// Sampler
+///////////////////////////////////////////////////////////////////////
+
+void Sampler::stop()
+{
+	getThreadTrace()->deactivate(this);
+}
+
+void Sampler::resume()
+{
+	getThreadTrace()->activate(this);
+}
+
+class ThreadTraceData* Sampler::getThreadTrace()
+{
+	return LLThread::getTraceData();
+}
+
+///////////////////////////////////////////////////////////////////////
+// MasterThreadTrace
+///////////////////////////////////////////////////////////////////////
+
+void MasterThreadTrace::pullFromWorkerThreads()
+{
+	LLMutexLock lock(&mSlaveListMutex);
+
+	for (worker_thread_trace_list_t::iterator it = mSlaveThreadTraces.begin(), end_it = mSlaveThreadTraces.end();
+		it != end_it;
+		++it)
+	{
+		it->mWorkerTrace->mSharedData.copyTo(it->mSamplerStorage);
+	}
+}
+
+void MasterThreadTrace::addSlaveThread( class SlaveThreadTrace* child )
+{
+	LLMutexLock lock(&mSlaveListMutex);
+
+	mSlaveThreadTraces.push_back(WorkerThreadTraceProxy(child));
+}
+
+void MasterThreadTrace::removeSlaveThread( class SlaveThreadTrace* child )
+{
+	LLMutexLock lock(&mSlaveListMutex);
+
+	for (worker_thread_trace_list_t::iterator it = mSlaveThreadTraces.begin(), end_it = mSlaveThreadTraces.end();
+		it != end_it;
+		++it)
+	{
+		if (it->mWorkerTrace == child)
+		{
+			mSlaveThreadTraces.erase(it);
+			break;
+		}
+	}
+}
+
+}