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Diffstat (limited to '')
-rw-r--r-- | include/comphelper/profilezone.hxx | 92 |
1 files changed, 92 insertions, 0 deletions
diff --git a/include/comphelper/profilezone.hxx b/include/comphelper/profilezone.hxx new file mode 100644 index 000000000..71f9fa30b --- /dev/null +++ b/include/comphelper/profilezone.hxx @@ -0,0 +1,92 @@ +/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4; fill-column: 100 -*- */ +/* + * This file is part of the LibreOffice project. + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. +*/ + +#ifndef INCLUDED_COMPHELPER_PROFILEZONE_HXX +#define INCLUDED_COMPHELPER_PROFILEZONE_HXX + +#include <sal/config.h> + +#include <sal/log.hxx> + +#include <comphelper/traceevent.hxx> + +// implementation of XToolkitExperimental profiling API + +namespace comphelper +{ +class COMPHELPER_DLLPUBLIC ProfileZone : public NamedEvent +{ + long long m_nCreateTime; + int m_nNesting; + + void addRecording(); + + static void setNestingLevel(int nNestingLevel); + static int getNestingLevel(); + + ProfileZone(const char* sName, const OUString& sArgs) + : NamedEvent(sName, sArgs) + , m_nNesting(-1) + { + if (s_bRecording) + { + m_nCreateTime = getNow(); + + m_nNesting = getNestingLevel(); + setNestingLevel(getNestingLevel() + 1); + } + else + m_nCreateTime = 0; + } + +public: + /** + * Starts measuring the cost of a C++ scope. + * + * Note that the char pointer is stored as such in the ProfileZone object and used in the + * destructor, so be sure to pass a pointer that stays valid for the duration of the object's + * lifetime. + */ + ProfileZone(const char* sName, const std::map<OUString, OUString>& aArgs) + : ProfileZone(sName, createArgsString(aArgs)) + { + } + + ProfileZone(const char* sName) + : ProfileZone(sName, OUString()) + { + } + + ~ProfileZone() + { + if (m_nCreateTime > 0) + { + setNestingLevel(getNestingLevel() - 1); + + if (m_nNesting != getNestingLevel()) + { + SAL_WARN("comphelper.traceevent", "Incorrect ProfileZone nesting for " << m_sName); + } + else + { + if (s_bRecording) + addRecording(); + } + } + } + + ProfileZone(const ProfileZone&) = delete; + void operator=(const ProfileZone&) = delete; +}; + +} // namespace comphelper + +#endif // INCLUDED_COMPHELPER_PROFILEZONE_HXX + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |