office-gobmx/comphelper/source/misc/traceevent.cxx
Arnaud VERSINI c2424341ed comphelper : use std::mutex in traceevent
Change-Id: I959b8c189a9ad073167cf3e0620947cbda77196c
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/129159
Tested-by: Jenkins
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>
2022-03-24 15:28:46 +01:00

144 lines
4.2 KiB
C++

/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* 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/.
*/
#include <sal/config.h>
#include <atomic>
#include <mutex>
#include <iostream>
#include <comphelper/profilezone.hxx>
#include <comphelper/sequence.hxx>
#include <comphelper/traceevent.hxx>
namespace comphelper
{
#ifdef DBG_UTIL
std::atomic<bool> TraceEvent::s_bRecording = (getenv("TRACE_EVENT_RECORDING") != nullptr);
#else
std::atomic<bool> TraceEvent::s_bRecording = false;
#endif
std::size_t TraceEvent::s_nBufferSize = 0;
void (*TraceEvent::s_pBufferFullCallback)() = nullptr;
int AsyncEvent::s_nIdCounter = 0;
static thread_local int nProfileZoneNesting = 0; // Level of Nested Profile Zones
namespace
{
std::vector<OUString> g_aRecording; // recorded data
std::mutex g_aMutex;
}
void TraceEvent::addRecording(const OUString& sObject)
{
std::lock_guard aGuard(g_aMutex);
g_aRecording.emplace_back(sObject);
if (s_nBufferSize > 0 && g_aRecording.size() >= s_nBufferSize)
{
if (s_pBufferFullCallback != nullptr)
(*s_pBufferFullCallback)();
}
}
void TraceEvent::addInstantEvent(const char* sName, const std::map<OUString, OUString>& args)
{
long long nNow = getNow();
int nPid = 0;
oslProcessInfo aProcessInfo;
aProcessInfo.Size = sizeof(oslProcessInfo);
if (osl_getProcessInfo(nullptr, osl_Process_IDENTIFIER, &aProcessInfo) == osl_Process_E_None)
nPid = aProcessInfo.Ident;
addRecording("{"
"\"name:\""
+ OUString(sName, strlen(sName), RTL_TEXTENCODING_UTF8)
+ "\","
"\"ph\":\"i\""
+ createArgsString(args) + ",\"ts\":" + OUString::number(nNow)
+ ","
"\"pid\":"
+ OUString::number(nPid)
+ ","
"\"tid\":"
+ OUString::number(osl_getThreadIdentifier(nullptr)) + "},");
}
void TraceEvent::startRecording()
{
std::lock_guard aGuard(g_aMutex);
s_bRecording = true;
}
void TraceEvent::stopRecording() { s_bRecording = false; }
void TraceEvent::setBufferSizeAndCallback(std::size_t bufferSize, void (*bufferFullCallback)())
{
s_nBufferSize = bufferSize;
s_pBufferFullCallback = bufferFullCallback;
}
std::vector<OUString> TraceEvent::getEventVectorAndClear()
{
bool bRecording;
std::vector<OUString> aRecording;
{
std::lock_guard aGuard(g_aMutex);
bRecording = s_bRecording;
stopRecording();
aRecording.swap(g_aRecording);
}
// reset start time and nesting level
if (bRecording)
startRecording();
return aRecording;
}
css::uno::Sequence<OUString> TraceEvent::getRecordingAndClear()
{
return comphelper::containerToSequence(getEventVectorAndClear());
}
void ProfileZone::addRecording()
{
assert(s_bRecording);
long long nNow = getNow();
// Generate a single "Complete Event" (type X)
TraceEvent::addRecording("{"
"\"name\":\""
+ OUString(m_sName, strlen(m_sName), RTL_TEXTENCODING_UTF8)
+ "\","
"\"ph\":\"X\","
"\"ts\":"
+ OUString::number(m_nCreateTime)
+ ","
"\"dur\":"
+ OUString::number(nNow - m_nCreateTime) + m_sArgs
+ ","
"\"pid\":"
+ OUString::number(m_nPid)
+ ","
"\"tid\":"
+ OUString::number(osl_getThreadIdentifier(nullptr)) + "},");
}
int ProfileZone::getNestingLevel() { return nProfileZoneNesting; }
void ProfileZone::setNestingLevel(int nNestingLevel) { nProfileZoneNesting = nNestingLevel; }
} // namespace comphelper
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */