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// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
// vim: ts=8 sw=2 smarttab
/*
* Ceph - scalable distributed file system
*
* Copyright (C) 2011 New Dream Network/Sage Weil <sage@newdream.net>
*
* This is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License version 2.1, as published by the Free Software
* Foundation. See file COPYING.
*/
#ifndef HEAP_PROFILER_H_
#define HEAP_PROFILER_H_
#include <string>
#include <vector>
#include "common/config.h"
class LogClient;
/*
* Ceph glue for the Google perftools heap profiler, included
* as part of tcmalloc. This replaces ugly function pointers
* and #ifdef hacks!
*/
bool ceph_using_tcmalloc();
/*
* Configure the heap profiler
*/
void ceph_heap_profiler_init();
void ceph_heap_profiler_stats(char *buf, int length);
void ceph_heap_release_free_memory();
double ceph_heap_get_release_rate();
void ceph_heap_get_release_rate(double value);
bool ceph_heap_profiler_running();
void ceph_heap_profiler_start();
void ceph_heap_profiler_stop();
void ceph_heap_profiler_dump(const char *reason);
bool ceph_heap_get_numeric_property(const char *property, size_t *value);
bool ceph_heap_set_numeric_property(const char *property, size_t value);
void ceph_heap_profiler_handle_command(const std::vector<std::string> &cmd,
std::ostream& out);
#endif /* HEAP_PROFILER_H_ */
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