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/* -*- 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 <comphelper/traceevent.hxx>
// implementation of XToolkitExperimental profiling API
namespace comphelper
{
class COMPHELPER_DLLPUBLIC ProfileZone : public NamedEvent
{
static int s_nNesting; // level of nested zones.
long long m_nCreateTime;
bool m_bConsole;
void stopConsole();
int m_nPid;
int m_nNesting;
void addRecording();
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.
*
* The second parameter can be used for ad-hoc local measuring by adding a single line of code
* at a C++ scope start. Example:
*
* comphelper::ProfileZone aZone("RtfFilter::filter", true);
*
* Similar to the DEBUG macro in sal/log.hxx, don't forget to remove these lines before
* committing.
*/
ProfileZone(const char* sName, bool bConsole = false)
: NamedEvent(sName)
, m_bConsole(bConsole)
{
if (s_bRecording || m_bConsole)
{
TimeValue systemTime;
osl_getSystemTime( &systemTime );
m_nCreateTime = static_cast<long long>(systemTime.Seconds) * 1000000 + systemTime.Nanosec/1000;
oslProcessInfo aProcessInfo;
aProcessInfo.Size = sizeof(oslProcessInfo);
if (osl_getProcessInfo(nullptr, osl_Process_IDENTIFIER, &aProcessInfo) == osl_Process_E_None)
m_nPid = aProcessInfo.Ident;
m_nNesting = s_nNesting++;
}
else
m_nCreateTime = 0;
}
~ProfileZone()
{
if (m_nCreateTime > 0)
{
s_nNesting--;
assert(m_nNesting == s_nNesting);
if (s_bRecording)
addRecording();
if (m_bConsole)
stopConsole();
}
}
ProfileZone(const ProfileZone&) = delete;
void operator=(const ProfileZone&) = delete;
};
} // namespace comphelper
#endif // INCLUDED_COMPHELPER_PROFILEZONE_HXX
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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