ProfilerService Class Reference

#include <ProfilerService.h>

Public Member Functions
bool	active () const
	true if instrumentation is active More...
void	beginEventI (edm::StreamContext const &stream)
void	beginPathI (edm::StreamContext const &stream, edm::PathContext const &path)
bool	doEvent () const
	true if the current event has to be instrumented More...
void	dumpStat () const
	dump profiling information More...
void	endEventI (edm::StreamContext const &stream)
void	endPathI (edm::StreamContext const &stream, edm::PathContext const &path, edm::HLTPathStatus const &)
bool	forceStopInstrumentation ()
	forced stop instrumentation independenly of activity status; true if stopped now More...
bool	pauseInstrumentation ()
void	preSourceI (edm::StreamID)
	ProfilerService (edm::ParameterSet const &pset, edm::ActivityRegistry &activity)
	Standard Service Constructor. More...
bool	resumeInstrumentation ()
bool	startInstrumentation ()
	start instrumentation if not active. true if started now More...
bool	stopInstrumentation ()
	stop instrumentation if not active anymore; true if stopped now More...
	~ProfilerService ()
	Destructor. More...

Private Member Functions
void	beginEvent ()
void	beginPath (std::string const &path)
void	endEvent ()
void	endPath (std::string const &path)
void	fullEvent ()
void	newEvent ()

Private Attributes
int	m_active
std::string	m_activePath
bool	m_allPaths
int	m_counts
bool	m_doEvent
int	m_dumpInterval
int	m_evtCount
std::vector< std::string >	m_excludedPaths
int	m_firstEvent
int	m_lastEvent
std::vector< std::string >	m_paths
bool	m_paused

Friends
struct	test::CheckPaths
class	test::TestProfilerService

Detailed Description

A Service to start and stop calgrind profiling on demand... act also as profiler watchdog (in the same service to avoid dependency between service)

Definition at line 24 of file ProfilerService.h.

Constructor & Destructor Documentation

ProfilerService::ProfilerService	(	edm::ParameterSet const &	pset,
		edm::ActivityRegistry &	activity
	)

Standard Service Constructor.

Definition at line 12 of file ProfilerService.cc.

References beginEventI(), beginPathI(), endEventI(), endPathI(), spr::find(), fullEvent(), m_allPaths, m_paths, preSourceI(), AlCaHLTBitMon_QueryRunRegistry::string, edm::ActivityRegistry::watchPostEvent(), edm::ActivityRegistry::watchPostPathEvent(), edm::ActivityRegistry::watchPostSourceEvent(), edm::ActivityRegistry::watchPreEvent(), and edm::ActivityRegistry::watchPrePathEvent().

                                                :
  
  m_firstEvent(pset.getUntrackedParameter<int>("firstEvent",0 )),
  m_lastEvent(pset.getUntrackedParameter<int>("lastEvent",std::numeric_limits<int>::max())),
  m_dumpInterval(pset.getUntrackedParameter<int>("dumpInterval",100)),
  m_paths(pset.getUntrackedParameter<std::vector<std::string> >("paths",std::vector<std::string>() )),
  m_excludedPaths(pset.getUntrackedParameter<std::vector<std::string> >("excludePaths",std::vector<std::string>() )),
  m_allPaths(false),
  m_evtCount(0),
  m_counts(0),
  m_doEvent(false),
  m_active(0),
  m_paused(false) {
  static std::string const allPaths("ALL");
  m_allPaths = std::find(m_paths.begin(),m_paths.end(),allPaths) != m_paths.end();
  
  // either FullEvent or selected path
  static std::string const fullEvent("FullEvent");
  if (std::find(m_paths.begin(),m_paths.end(),fullEvent) != m_paths.end())
    activity.watchPostSourceEvent(this,&ProfilerService::preSourceI);
  else {
    activity.watchPreEvent(this,&ProfilerService::beginEventI);
    activity.watchPostEvent(this,&ProfilerService::endEventI);
    activity.watchPrePathEvent(this,&ProfilerService::beginPathI);
    activity.watchPostPathEvent(this,&ProfilerService::endPathI);
  }
}

ProfilerService::~ProfilerService

(

)

Destructor.

Definition at line 41 of file ProfilerService.cc.

References dumpStat().

                                 {
  dumpStat();
}

Member Function Documentation

bool ProfilerService::active ( void  ) const

inline

true if instrumentation is active

Definition at line 64 of file ProfilerService.h.

{ return m_active>0;}

void ProfilerService::beginEvent ( )

private

Definition at line 117 of file ProfilerService.cc.

References m_allPaths, newEvent(), and startInstrumentation().

                                  {
  newEvent();
  //  static std::string const fullEvent("FullEvent");
  //  if (std::find(m_paths.begin(),m_paths.end(),fullEvent) != m_paths.end())
  if (m_allPaths) 
    startInstrumentation();
}

void ProfilerService::beginEventI ( edm::StreamContext const &  stream )

inline

Definition at line 73 of file ProfilerService.h.

Referenced by ProfilerService().

                                                   {
    beginEvent();
  }

void ProfilerService::beginPath ( std::string const &  path )

private

Definition at line 131 of file ProfilerService.cc.

References doEvent(), spr::find(), m_activePath, m_excludedPaths, m_paths, callgraph::path, pauseInstrumentation(), and startInstrumentation().

                                                      {
  if (!doEvent()) return;
  // assume less than 5-6 path to instrument or to exclude
  if (std::find(m_excludedPaths.begin(),m_excludedPaths.end(),path) != m_excludedPaths.end()) {
    pauseInstrumentation();
    return; 
  }
  if (std::find(m_paths.begin(),m_paths.end(),path) == m_paths.end()) return; 
  m_activePath=path;
  startInstrumentation();
}

void ProfilerService::beginPathI ( edm::StreamContext const &  stream, edm::PathContext const &  path  )

inline

Definition at line 80 of file ProfilerService.h.

References edm::PathContext::pathName().

Referenced by ProfilerService().

                                                                              {
    beginPath(path.pathName());
  }

bool ProfilerService::doEvent ( ) const

inline

true if the current event has to be instrumented

Definition at line 61 of file ProfilerService.h.

Referenced by beginPath(), and startInstrumentation().

{ return m_doEvent;}

void ProfilerService::dumpStat

(

)

const

dump profiling information

Definition at line 94 of file ProfilerService.cc.

Referenced by fullEvent(), resumeInstrumentation(), startInstrumentation(), and ~ProfilerService().

                                     {
     CALLGRIND_DUMP_STATS;
}

void ProfilerService::endEvent ( )

private

Definition at line 125 of file ProfilerService.cc.

References forceStopInstrumentation(), and stopInstrumentation().

                                {
  stopInstrumentation();
  // force, a nested instrumentation may fail to close in presence of filters
  forceStopInstrumentation();
}

void ProfilerService::endEventI ( edm::StreamContext const &  stream )

inline

Definition at line 77 of file ProfilerService.h.

Referenced by ProfilerService().

                                                 {
    endEvent();
  }

void ProfilerService::endPath ( std::string const &  path )

private

Definition at line 143 of file ProfilerService.cc.

References m_activePath, resumeInstrumentation(), and stopInstrumentation().

                                                    {
  resumeInstrumentation();
  if (m_activePath==path) {
    stopInstrumentation();
    m_activePath.clear();
  }
  // do to force, a nested instrumentation may fail to close in presence of filters  
  // forceStopInstrumentation();
}

void ProfilerService::endPathI ( edm::StreamContext const &  stream, edm::PathContext const &  path, edm::HLTPathStatus const &    )

inline

Definition at line 83 of file ProfilerService.h.

References callgraph::path, edm::PathContext::pathName(), and AlCaHLTBitMon_QueryRunRegistry::string.

Referenced by ProfilerService().

                                                                                                     {
    endPath(path.pathName());
  }

bool ProfilerService::forceStopInstrumentation

(

)

forced stop instrumentation independenly of activity status; true if stopped now

Definition at line 70 of file ProfilerService.cc.

References m_active.

Referenced by endEvent(), and fullEvent().

                                               {
  if (m_active==0) return false;
  // FIXME report something if appens;
  CALLGRIND_STOP_INSTRUMENTATION;
  m_active=0;
  return true;
}

void ProfilerService::fullEvent ( )

private

Definition at line 105 of file ProfilerService.cc.

References dumpStat(), forceStopInstrumentation(), m_active, m_doEvent, newEvent(), startInstrumentation(), and stopInstrumentation().

Referenced by ProfilerService().

                                {
  newEvent();
  if(m_doEvent&&m_active==0)
    startInstrumentation();
  if ( (!m_doEvent) && m_active!=0) {
    stopInstrumentation();
    // force, a nested instrumentation may fail to close in presence of filters
    forceStopInstrumentation();
    dumpStat();
  }
}

void ProfilerService::newEvent ( )

private

Definition at line 99 of file ProfilerService.cc.

References m_doEvent, m_evtCount, m_firstEvent, and m_lastEvent.

Referenced by beginEvent(), and fullEvent().

                               {
  ++m_evtCount;
  m_doEvent = m_evtCount >= m_firstEvent && m_evtCount <= m_lastEvent;
}

bool ProfilerService::pauseInstrumentation

(

)

Definition at line 78 of file ProfilerService.cc.

References m_active, and m_paused.

Referenced by beginPath().

                                           {
   if (m_active==0) return false;
   CALLGRIND_STOP_INSTRUMENTATION;
   m_paused=true;
   return true;
}   

void ProfilerService::preSourceI ( edm::StreamID  )

inline

Definition at line 69 of file ProfilerService.h.

Referenced by ProfilerService().

                               {
    fullEvent();
  }

bool ProfilerService::resumeInstrumentation

(

)

Definition at line 85 of file ProfilerService.cc.

References dumpStat(), m_active, m_counts, m_dumpInterval, and m_paused.

Referenced by endPath().

                                            {
  if (m_active==0 || (!m_paused)) return false;
  CALLGRIND_START_INSTRUMENTATION;
  if (m_counts%m_dumpInterval==0) dumpStat();
  ++m_counts;
  m_paused=false;
  return true;
}

bool ProfilerService::startInstrumentation

(

)

start instrumentation if not active. true if started now

Definition at line 47 of file ProfilerService.cc.

References doEvent(), dumpStat(), m_active, m_counts, and m_dumpInterval.

Referenced by beginEvent(), beginPath(), and fullEvent().

                                          {
  // FIXME here or in client?
  if (!doEvent()) return false;


  if (m_active==0) {
    CALLGRIND_START_INSTRUMENTATION;
    if (m_counts%m_dumpInterval==0) dumpStat();
    ++m_counts;
  }
  // support nested start/stop
  ++m_active;
  return m_active==1;
}

bool ProfilerService::stopInstrumentation

(

)

stop instrumentation if not active anymore; true if stopped now

Definition at line 62 of file ProfilerService.cc.

References m_active.

Referenced by endEvent(), endPath(), and fullEvent().

                                          {
  if (m_active==0) return false;
  --m_active;
  if (m_active==0)
    CALLGRIND_STOP_INSTRUMENTATION;
  return m_active==0;
}

Friends And Related Function Documentation

friend struct test::CheckPaths

friend

Definition at line 27 of file ProfilerService.h.

friend class test::TestProfilerService

friend

Definition at line 26 of file ProfilerService.h.

Member Data Documentation

int ProfilerService::m_active

private

Definition at line 111 of file ProfilerService.h.

Referenced by forceStopInstrumentation(), fullEvent(), pauseInstrumentation(), resumeInstrumentation(), startInstrumentation(), and stopInstrumentation().

std::string ProfilerService::m_activePath

private

Definition at line 113 of file ProfilerService.h.

Referenced by beginPath(), and endPath().

bool ProfilerService::m_allPaths

private

Definition at line 105 of file ProfilerService.h.

Referenced by beginEvent(), and ProfilerService().

int ProfilerService::m_counts

private

Definition at line 109 of file ProfilerService.h.

Referenced by resumeInstrumentation(), and startInstrumentation().

bool ProfilerService::m_doEvent

private

Definition at line 110 of file ProfilerService.h.

Referenced by fullEvent(), and newEvent().

int ProfilerService::m_dumpInterval

private

Definition at line 102 of file ProfilerService.h.

Referenced by resumeInstrumentation(), and startInstrumentation().

int ProfilerService::m_evtCount

private

Definition at line 108 of file ProfilerService.h.

Referenced by newEvent().

std::vector<std::string> ProfilerService::m_excludedPaths

private

Definition at line 104 of file ProfilerService.h.

Referenced by beginPath().

int ProfilerService::m_firstEvent

private

Definition at line 100 of file ProfilerService.h.

Referenced by newEvent().

int ProfilerService::m_lastEvent

private

Definition at line 101 of file ProfilerService.h.

Referenced by newEvent().

std::vector<std::string> ProfilerService::m_paths

private

Definition at line 103 of file ProfilerService.h.

Referenced by beginPath(), and ProfilerService().

bool ProfilerService::m_paused

private

Definition at line 112 of file ProfilerService.h.

Referenced by pauseInstrumentation(), and resumeInstrumentation().