psc::Utils::ScopeTimer Class Reference

Very simple timer class. More...

#include <Utils.h>

Collaboration diagram for psc::Utils::ScopeTimer:

Public Member Functions
	ScopeTimer (const std::string &descr="Timer")
	Create timer and start timing. More...
	~ScopeTimer ()
	Stop timer (if still running) More...
void	stop ()
	Stop timer manually. More...

Private Attributes
std::string	m_descr
	description of timer More...
std::chrono::system_clock::time_point	m_t1
	start time More...
bool	m_running
	timer running? More...

Detailed Description

Very simple timer class.

Time between constructor and destructor call is measured and printed

Definition at line 56 of file HLT/Trigger/TrigControl/TrigPSC/TrigPSC/Utils.h.

Constructor & Destructor Documentation

ScopeTimer()

psc::Utils::ScopeTimer::ScopeTimer

(

const std::string &

descr = "Timer"

)

Create timer and start timing.

Definition at line 66 of file HLT/Trigger/TrigControl/TrigPSC/src/Utils.cxx.

                                                      :
  m_descr(descr),
  m_t1(std::chrono::system_clock::now()),
  m_running(true)
{
  std::tm lt;
  auto t = std::chrono::system_clock::to_time_t(m_t1);
  localtime_r(&t, &lt);
  ERS_LOG( m_descr << " started at time: " << std::put_time(&lt, "%Y-%m-%d %H:%M:%S") );
}

~ScopeTimer()

psc::Utils::ScopeTimer::~ScopeTimer ( )

inline

Stop timer (if still running)

Definition at line 66 of file HLT/Trigger/TrigControl/TrigPSC/TrigPSC/Utils.h.

{ if (m_running) stop(); }

Member Function Documentation

stop()

void psc::Utils::ScopeTimer::stop

(

)

Stop timer manually.

Definition at line 77 of file HLT/Trigger/TrigControl/TrigPSC/src/Utils.cxx.

{
  auto t2 = std::chrono::system_clock::now();
  auto dt_ms = std::chrono::duration_cast<std::chrono::milliseconds>(t2 - m_t1);
  ERS_LOG( m_descr << " finished. Time used [ms] = " << dt_ms.count() );
  m_running = false;
}

Member Data Documentation

m_descr

std::string psc::Utils::ScopeTimer::m_descr

private

description of timer

Definition at line 74 of file HLT/Trigger/TrigControl/TrigPSC/TrigPSC/Utils.h.

m_running

bool psc::Utils::ScopeTimer::m_running

private

timer running?

Definition at line 76 of file HLT/Trigger/TrigControl/TrigPSC/TrigPSC/Utils.h.

m_t1

std::chrono::system_clock::time_point psc::Utils::ScopeTimer::m_t1

private

start time

Definition at line 75 of file HLT/Trigger/TrigControl/TrigPSC/TrigPSC/Utils.h.

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The documentation for this class was generated from the following files:

• HLT/Trigger/TrigControl/TrigPSC/TrigPSC/Utils.h
• HLT/Trigger/TrigControl/TrigPSC/src/Utils.cxx