You've already forked mariadb-columnstore-engine
mirror of
https://github.com/mariadb-corporation/mariadb-columnstore-engine.git
synced 2025-11-03 17:13:17 +03:00
5b4f06bf0d
* -logging of memory WIP * -better log for cgroup case * -fix log * -display in GIB * add log for freememory for non CGROUP (to be discussed) * test repeated log entries * -added counter for every 1000 call. effectivly 15m * Name logginng period and inrease it, clear config files from PR, add .gitignore --------- Co-authored-by: pgmabv99 <alexey.vorovich@gmail.com> Co-authored-by: Leonid Fedorov <leonid.fedorov@mariadb.com>
74 lines
1.9 KiB
C++
74 lines
1.9 KiB
C++
/* Copyright (C) 2014 InfiniDB, Inc.
|
|
|
|
This program is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU General Public License
|
|
as published by the Free Software Foundation; version 2 of
|
|
the License.
|
|
|
|
This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with this program; if not, write to the Free Software
|
|
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
|
|
MA 02110-1301, USA. */
|
|
|
|
#pragma once
|
|
|
|
#include <stdlib.h>
|
|
#include <inttypes.h>
|
|
#include <string>
|
|
|
|
#include "configcpp.h"
|
|
|
|
namespace utils
|
|
{
|
|
/* This class wraps a few methods for getting configuration variables that potentially
|
|
come from a cgroup. Might move it to utils/configcpp, and/or change the name. */
|
|
|
|
class CGroupConfigurator
|
|
{
|
|
public:
|
|
enum CGroupVersions
|
|
{
|
|
v1,
|
|
v2,
|
|
};
|
|
CGroupConfigurator();
|
|
virtual ~CGroupConfigurator();
|
|
|
|
uint32_t getNumCores();
|
|
uint64_t getTotalMemory();
|
|
uint64_t getFreeMemory();
|
|
|
|
bool usingCGroup()
|
|
{
|
|
return cGroupDefined;
|
|
}
|
|
|
|
private:
|
|
uint32_t getNumCoresFromProc();
|
|
uint32_t getNumCoresFromCGroup();
|
|
uint64_t getTotalMemoryFromProc();
|
|
uint64_t getTotalMemoryFromCGroup();
|
|
uint64_t getFreeMemoryFromProc();
|
|
uint64_t getMemUsageFromCGroup();
|
|
|
|
std::string cGroupName;
|
|
std::string memUsageFilename;
|
|
std::string memStatePrefix;
|
|
bool cGroupDefined;
|
|
config::Config* config;
|
|
uint64_t totalMemory = 0;
|
|
uint64_t totalSwap = 0;
|
|
const uint64_t GIB = 1024ULL * 1024ULL * 1024ULL;
|
|
bool printedWarning = false;
|
|
enum CGroupVersions cGroupVersion_;
|
|
unsigned int logCounter = 0;
|
|
static constexpr unsigned int logMemoryPeriod = 5000;
|
|
};
|
|
|
|
} // namespace utils
|