memory_usage Class Reference

#include <memory_usage.h>

Static Public Member Functions
static uint64_t	allocated ()
static uint64_t	deallocated ()
static bool	is_available ()
static uint64_t	peak ()
static void	reset_peak ()

Detailed Description

Definition at line 6 of file memory_usage.h.

Member Function Documentation

uint64_t memory_usage::allocated ( )

static

Definition at line 86 of file memory_usage.cc.

Referenced by FastTimerService::Measurement::measure(), FastTimerService::Measurement::measure_and_accumulate(), and FastTimerService::Measurement::measure_and_store().

{ return *thread_allocated_p; }

uint64_t memory_usage::deallocated ( )

static

Definition at line 88 of file memory_usage.cc.

Referenced by FastTimerService::Measurement::measure(), FastTimerService::Measurement::measure_and_accumulate(), and FastTimerService::Measurement::measure_and_store().

{ return *thread_deallocated_p; }

bool memory_usage::is_available ( )

static

Definition at line 84 of file memory_usage.cc.

Referenced by FastTimerService::PlotsPerElement::book(), and FastTimerService::PlotsPerPath::book().

{ return have_jemalloc_and_stats; }

uint64_t memory_usage::peak ( )

static

Definition at line 90 of file memory_usage.cc.

References findQualityFiles::size.

                            {
  uint64_t peak = 0;
  size_t size = sizeof(uint64_t);
  if (have_jemalloc_and_peak)
    mallctlbymib(mib_peak_read, 3, &peak, &size, nullptr, 0);
  return peak;
}

void memory_usage::reset_peak ( )

static

Definition at line 98 of file memory_usage.cc.

                              {
  if (have_jemalloc_and_peak)
    mallctlbymib(mib_peak_reset, 3, nullptr, nullptr, nullptr, 0);
}