StorageAccount::Stamp Class Reference

#include <StorageAccount.h>

Public Member Functions
	Stamp (Counter &counter)
void	tick (uint64_t amount=0, int64_t tick=0) const

Protected Attributes
Counter &	m_counter
std::chrono::time_point < std::chrono::high_resolution_clock >	m_start

Detailed Description

Definition at line 96 of file StorageAccount.h.

Constructor & Destructor Documentation

StorageAccount::Stamp::Stamp

(

Counter &

counter

)

Definition at line 131 of file StorageAccount.cc.

References StorageAccount::Counter::attempts, and m_counter.

  : m_counter (counter),
    m_start (std::chrono::high_resolution_clock::now())
{
  m_counter.attempts++;
}

Member Function Documentation

void StorageAccount::Stamp::tick	(	uint64_t	amount = 0,
		int64_t	tick = 0
	)		const

Definition at line 139 of file StorageAccount.cc.

References StorageAccount::Counter::addTo(), prof2calltree::count, and fileCollector::now.

Referenced by StorageAccountProxy::close(), StorageAccountProxy::flush(), TStorageFactoryFile::Initialize(), StorageAccountProxy::position(), StorageAccountProxy::prefetch(), StorageAccountProxy::read(), TStorageFactoryFile::ReadBuffer(), TStorageFactoryFile::ReadBufferAsync(), TStorageFactoryFile::ReadBuffers(), TStorageFactoryFile::ReadBuffersSync(), StorageAccountProxy::readv(), StorageAccountProxy::resize(), StorageAccountProxy::StorageAccountProxy(), TStorageFactoryFile::SysClose(), TStorageFactoryFile::SysOpen(), TStorageFactoryFile::SysSeek(), TStorageFactoryFile::SysStat(), TStorageFactoryFile::SysSync(), TStorageFactoryFile::TStorageFactoryFile(), StorageAccountProxy::write(), TStorageFactoryFile::WriteBuffer(), StorageAccountProxy::writev(), and StorageAccountProxy::~StorageAccountProxy().

{
  std::chrono::nanoseconds elapsed_ns = std::chrono::high_resolution_clock::now() - m_start;
  uint64_t elapsed = elapsed_ns.count();
  m_counter.successes++;

  m_counter.vector_count += count;
  m_counter.vector_square += count*count;
  m_counter.amount += amount;
  Counter::addTo(m_counter.amount_square, amount*amount);

  Counter::addTo(m_counter.timeTotal, elapsed);
  if (elapsed < m_counter.timeMin || m_counter.successes == 1)
    m_counter.timeMin = elapsed;
  if (elapsed > m_counter.timeMax)
    m_counter.timeMax = elapsed;
}

Member Data Documentation

Counter& StorageAccount::Stamp::m_counter

protected

Definition at line 102 of file StorageAccount.h.

Referenced by Stamp().

std::chrono::time_point<std::chrono::high_resolution_clock> StorageAccount::Stamp::m_start

protected

Definition at line 103 of file StorageAccount.h.