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Leonid Fedorov
2022-01-21 16:43:49 +00:00
parent 6b6411229f
commit 04752ec546
1376 changed files with 393460 additions and 412662 deletions
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133
utils/common/MonitorProcMem.h
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@ -35,7 +35,6 @@
namespace utils
{
/** @brief A class to monitor a process's memory usage.
*
* This class will monitor and terminate the process if
@ -43,86 +42,78 @@ namespace utils
*/
class MonitorProcMem
{
public:
/** @brief MonitorProcMem constructor
*
* @param maxPct (in) maximum allowable memory usage
* @param memChk (in) monitor total system physical memory usage
* @param msgLog (in) message logger to log msg to
* @param sec (in) number of seconds between memory checks
*/
explicit MonitorProcMem(size_t maxPct,
size_t memChk,
uint32_t subsystemID,
unsigned sec = 1) :
fPid ( getpid() ),
fMaxPct ( maxPct ),
fSleepSec ( sec ),
fSubsystemID ( subsystemID ),
fPageSize ( getpagesize() )
{
fMemPctCheck = memChk;
fMemTotal = memTotal();
}
public:
/** @brief MonitorProcMem constructor
*
* @param maxPct (in) maximum allowable memory usage
* @param memChk (in) monitor total system physical memory usage
* @param msgLog (in) message logger to log msg to
* @param sec (in) number of seconds between memory checks
*/
explicit MonitorProcMem(size_t maxPct, size_t memChk, uint32_t subsystemID, unsigned sec = 1)
: fPid(getpid()), fMaxPct(maxPct), fSleepSec(sec), fSubsystemID(subsystemID), fPageSize(getpagesize())
{
fMemPctCheck = memChk;
fMemTotal = memTotal();
}
virtual ~MonitorProcMem() {};
virtual ~MonitorProcMem(){};
/** @brief Thread entry point
*
* Entry point for this thread that monitors memory usage.
*/
virtual void operator()() const;
/** @brief Thread entry point
*
* Entry point for this thread that monitors memory usage.
*/
virtual void operator()() const;
/* Accessor to return the free memory
*
*/
size_t getFreeMem() const
{
return fMemFree;
}
/* Accessor to return the free memory
*
*/
size_t getFreeMem() const
{
return fMemFree;
}
/* return the % of total memory used
*
*/
static unsigned memUsedPct();
/* return the % of total memory used
*
*/
static unsigned memUsedPct();
/* return true if memory usage is below configured limit
*
*/
static bool isMemAvailable(size_t memRequest = 0);
/* return true if memory usage is below configured limit
*
*/
static bool isMemAvailable(size_t memRequest = 0);
protected:
//Defaults are okay
//MonitorProcMem (const MonitorProcMem& rhs);
//MonitorProcMem& operator=(const MonitorProcMem& rhs);
protected:
// Defaults are okay
// MonitorProcMem (const MonitorProcMem& rhs);
// MonitorProcMem& operator=(const MonitorProcMem& rhs);
/** return the current process RSS size in MB
*
*/
size_t rss() const;
/** return the current process RSS size in MB
*
*/
size_t rss() const;
/* return the system RAM size in MB
*
*/
size_t memTotal() const;
/* return the system RAM size in MB
*
*/
size_t memTotal() const;
/* pause for fSleepSec seconds between memory usage checks
*
*/
void pause_() const;
/* pause for fSleepSec seconds between memory usage checks
*
*/
void pause_() const;
pid_t fPid; // process pid
size_t fMaxPct; // max allowable % memory use
unsigned fSleepSec; // sleep interval in seconds
uint32_t fSubsystemID; // Subsystem ID for Logger
int fPageSize; // page size for this host (in bytes)
pid_t fPid; // process pid
size_t fMaxPct; // max allowable % memory use
unsigned fSleepSec; // sleep interval in seconds
uint32_t fSubsystemID; // Subsystem ID for Logger
int fPageSize; // page size for this host (in bytes)
// @bug4507, monitor % of total used system memory
static uint64_t fMemTotal;
static uint64_t fMemFree;
static int fMemPctCheck;
mutable CGroupConfigurator cg;
// @bug4507, monitor % of total used system memory
static uint64_t fMemTotal;
static uint64_t fMemFree;
static int fMemPctCheck;
mutable CGroupConfigurator cg;
};
}
} // namespace utils