Add a general profiling abstraction layer.

core/vprof_tool.cpp

@@ -0,0 +1,117 @@
+// vim: set ts=4 sw=4 tw=99 noet :
+// =============================================================================
+// SourceMod
+// Copyright (C) 2004-2014 AlliedModders LLC.  All rights reserved.
+// =============================================================================
+//
+// This program is free software; you can redistribute it and/or modify it under
+// the terms of the GNU General Public License, version 3.0, as published by the
+// Free Software Foundation.
+// 
+// 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, see <http://www.gnu.org/licenses/>.
+//
+// As a special exception, AlliedModders LLC gives you permission to link the
+// code of this program (as well as its derivative works) to "Half-Life 2," the
+// "Source Engine," the "SourcePawn JIT," and any Game MODs that run on software
+// by the Valve Corporation.  You must obey the GNU General Public License in
+// all respects for all other code used.  Additionally, AlliedModders LLC grants
+// this exception to all derivative works.  AlliedModders LLC defines further
+// exceptions, found in LICENSE.txt (as of this writing, version JULY-31-2007),
+// or <http://www.sourcemod.net/license.php>.
+
+#include "vprof_tool.h"
+#include "logic_bridge.h"
+#include "sourcemod.h"
+#include "sourcemm_api.h"
+
+#define VPROF_ENABLED
+#include <tier0/vprof.h>
+
+VProfTool sVProfTool;
+
+VProfTool::VProfTool()
+	: active_(false)
+{
+}
+
+void
+VProfTool::OnSourceModAllInitialized()
+{
+	logicore.RegisterProfiler(this);
+}
+
+const char *
+VProfTool::Name()
+{
+	return "vprof";
+}
+
+const char *
+VProfTool::Description()
+{
+	return "Valve built-in profiler";
+}
+
+bool
+VProfTool::Start()
+{
+	g_VProfCurrentProfile.Start();
+	return IsActive();
+}
+
+void
+VProfTool::Stop()
+{
+	g_VProfCurrentProfile.Stop();
+}
+
+bool
+VProfTool::IsActive()
+{
+	return g_VProfCurrentProfile.IsEnabled();
+}
+
+intptr_t
+VProfTool::RegisterCode(
+	uintptr_t addr,
+	size_t length,
+	const char *name,
+	const uintptr_t *line_map,
+	size_t line_count)
+{
+	return 0;
+}
+
+void
+VProfTool::DeregisterCode(intptr_t cookie)
+{
+}
+
+void
+VProfTool::EnterScope(const char *group, const char *name)
+{
+	if (IsActive()) {
+		if (!group)
+			group = VPROF_BUDGETGROUP_OTHER_UNACCOUNTED;
+		g_VProfCurrentProfile.EnterScope(name, 1, group, false, 0);
+	}
+}
+
+void 
+VProfTool::LeaveScope()
+{
+	if (IsActive())
+		g_VProfCurrentProfile.ExitScope();
+}
+
+void
+VProfTool::RenderHelp(void (*render)(const char *fmt, ...))
+{
+	render("Use vprof_generate_report in your console to analyze a profile session.");
+}