pcm-memory.cpp File Reference

Example of using CPU counters: implements a performance counter monitoring utility for memory controller channels and DIMMs (ranks) + PMM memory traffic. More...

#include <iostream>
#include <unistd.h>
#include <signal.h>
#include <sys/time.h>
#include <math.h>
#include <iomanip>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <string>
#include <assert.h>
#include "cpucounters.h"
#include "utils.h"

Include dependency graph for pcm-memory.cpp:

Classes
struct	memdata

Macros
#define	PCM_DELAY_DEFAULT   1.0
#define	PCM_DELAY_MIN   0.015
#define	DEFAULT_DISPLAY_COLUMNS   2

Typedefs
typedef struct memdata	memdata_t

Functions
bool	anyPmem (const ServerUncoreMemoryMetrics &metrics)
void	print_help (const string &prog_name)
void	printSocketBWHeader (uint32 no_columns, uint32 skt, const bool show_channel_output)
void	printSocketRankBWHeader (uint32 no_columns, uint32 skt)
void	printSocketRankBWHeader_cvt (const uint32 numSockets, const uint32 num_imc_channels, const int rankA, const int rankB)
void	printSocketChannelBW (PCM *, memdata_t *md, uint32 no_columns, uint32 skt)
void	printSocketChannelBW (uint32 no_columns, uint32 skt, uint32 num_imc_channels, const ServerUncoreCounterState *uncState1, const ServerUncoreCounterState *uncState2, uint64 elapsedTime, int rankA, int rankB)
void	printSocketChannelBW_cvt (const uint32 numSockets, const uint32 num_imc_channels, const ServerUncoreCounterState *uncState1, const ServerUncoreCounterState *uncState2, const uint64 elapsedTime, const int rankA, const int rankB)
float	AD_BW (const memdata_t *md, const uint32 skt)
float	PMM_MM_Ratio (const memdata_t *md, const uint32 skt)
void	printSocketBWFooter (uint32 no_columns, uint32 skt, const memdata_t *md)
void	display_bandwidth (PCM *m, memdata_t *md, const uint32 no_columns, const bool show_channel_output, const bool print_update)
void	display_bandwidth_csv (PCM *m, memdata_t *md, uint64, const bool show_channel_output, const CsvOutputType outputType)
void	calculate_bandwidth (PCM *m, const ServerUncoreCounterState uncState1[], const ServerUncoreCounterState uncState2[], const uint64 elapsedTime, const bool csv, bool &csvheader, uint32 no_columns, const ServerUncoreMemoryMetrics &metrics, const bool show_channel_output, const bool print_update)
void	calculate_bandwidth_rank (PCM *m, const ServerUncoreCounterState uncState1[], const ServerUncoreCounterState uncState2[], const uint64 elapsedTime, const bool csv, bool &csvheader, const uint32 no_columns, const int rankA, const int rankB)
int	main (int argc, char *argv[])

Variables
constexpr uint32	max_sockets = 256
uint32	max_imc_channels = ServerUncoreCounterState::maxChannels
const uint32	max_edc_channels = ServerUncoreCounterState::maxChannels
const uint32	max_imc_controllers = ServerUncoreCounterState::maxControllers
bool	skipInactiveChannels = true

Detailed Description

Example of using CPU counters: implements a performance counter monitoring utility for memory controller channels and DIMMs (ranks) + PMM memory traffic.