mem-events.c File Reference

#include <stddef.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#include <api/fs/fs.h>
#include <linux/kernel.h>
#include "mem-events.h"
#include "debug.h"
#include "symbol.h"
#include "sort.h"

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Macros
#define	E(t, n, s)   { .tag = t, .name = n, .sysfs_name = s }
#define	HITM_INC(__f)
#define	P(a, b)   PERF_MEM_##a##_##b

Functions
char *	perf_mem_events__name (int i)
int	perf_mem_events__parse (const char *str)
int	perf_mem_events__init (void)
int	perf_mem__tlb_scnprintf (char *out, size_t sz, struct mem_info *mem_info)
int	perf_mem__lvl_scnprintf (char *out, size_t sz, struct mem_info *mem_info)
int	perf_mem__snp_scnprintf (char *out, size_t sz, struct mem_info *mem_info)
int	perf_mem__lck_scnprintf (char *out, size_t sz, struct mem_info *mem_info)
int	perf_script__meminfo_scnprintf (char *out, size_t sz, struct mem_info *mem_info)
int	c2c_decode_stats (struct c2c_stats *stats, struct mem_info *mi)
void	c2c_add_stats (struct c2c_stats *stats, struct c2c_stats *add)

Variables
unsigned int	perf_mem_events__loads_ldlat = 30
struct perf_mem_event	perf_mem_events [PERF_MEM_EVENTS__MAX]
static char	mem_loads_name [100]
static bool	mem_loads_name__init
static const char *const	tlb_access []
static const char *const	mem_lvl []
static const char *const	mem_lvlnum []
static const char *const	snoop_access []

Macro Definition Documentation

E

#define E	(		t,
			n,
			s
	)		{ .tag = t, .name = n, .sysfs_name = s }

Definition at line 18 of file mem-events.c.

HITM_INC

#define HITM_INC

(

__f

)

Value:

do {                \
    stats->__f++;       \
    stats->tot_hitm++;  \
} while (0)

P

#define P	(		a,
			b
	)		PERF_MEM_##a##_##b

Function Documentation

c2c_add_stats()

void c2c_add_stats	(	struct c2c_stats *	stats,
		struct c2c_stats *	add
	)

Definition at line 423 of file mem-events.c.

c2c_decode_stats()

int c2c_decode_stats	(	struct c2c_stats *	stats,
		struct mem_info *	mi
	)

Definition at line 312 of file mem-events.c.

perf_mem__lck_scnprintf()

int perf_mem__lck_scnprintf	(	char *	out,
		size_t	sz,
		struct mem_info *	mem_info
	)

Definition at line 279 of file mem-events.c.

perf_mem__lvl_scnprintf()

int perf_mem__lvl_scnprintf	(	char *	out,
		size_t	sz,
		struct mem_info *	mem_info
	)

Definition at line 178 of file mem-events.c.

perf_mem__snp_scnprintf()

int perf_mem__snp_scnprintf	(	char *	out,
		size_t	sz,
		struct mem_info *	mem_info
	)

Definition at line 244 of file mem-events.c.

perf_mem__tlb_scnprintf()

int perf_mem__tlb_scnprintf	(	char *	out,
		size_t	sz,
		struct mem_info *	mem_info
	)

Definition at line 116 of file mem-events.c.

perf_mem_events__init()

int perf_mem_events__init

(

void

)

Definition at line 82 of file mem-events.c.

perf_mem_events__name()

char* perf_mem_events__name

(

int

i

)

Definition at line 31 of file mem-events.c.

perf_mem_events__parse()

int perf_mem_events__parse

(

const char *

str

)

Definition at line 46 of file mem-events.c.

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perf_script__meminfo_scnprintf()

int perf_script__meminfo_scnprintf	(	char *	out,
		size_t	sz,
		struct mem_info *	mem_info
	)

Definition at line 297 of file mem-events.c.

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Variable Documentation

mem_loads_name

char mem_loads_name[100]

static

Definition at line 28 of file mem-events.c.

mem_loads_name__init

bool mem_loads_name__init

static

Definition at line 29 of file mem-events.c.

mem_lvl

const char* const mem_lvl[]

static

Initial value:

= {
    "N/A",
    "HIT",
    "MISS",
    "L1",
    "LFB",
    "L2",
    "L3",
    "Local RAM",
    "Remote RAM (1 hop)",
    "Remote RAM (2 hops)",
    "Remote Cache (1 hop)",
    "Remote Cache (2 hops)",
    "I/O",
    "Uncached",
}

Definition at line 153 of file mem-events.c.

mem_lvlnum

const char* const mem_lvlnum[]

static

Initial value:

= {
    [PERF_MEM_LVLNUM_ANY_CACHE] = "Any cache",
    [PERF_MEM_LVLNUM_LFB] = "LFB",
    [PERF_MEM_LVLNUM_RAM] = "RAM",
    [PERF_MEM_LVLNUM_PMEM] = "PMEM",
    [PERF_MEM_LVLNUM_NA] = "N/A",
}

Definition at line 170 of file mem-events.c.

perf_mem_events

struct perf_mem_event perf_mem_events[PERF_MEM_EVENTS__MAX]

Initial value:

= {
    E("ldlat-loads",    "cpu/mem-loads,ldlat=%u/P", "mem-loads"),
    E("ldlat-stores",   "cpu/mem-stores/P",     "mem-stores"),
}

Definition at line 20 of file mem-events.c.

perf_mem_events__loads_ldlat

unsigned int perf_mem_events__loads_ldlat = 30

Definition at line 16 of file mem-events.c.

snoop_access

const char* const snoop_access[]

static

Initial value:

= {
    "N/A",
    "None",
    "Hit",
    "Miss",
    "HitM",
}

Definition at line 236 of file mem-events.c.

tlb_access

const char* const tlb_access[]

static

Initial value:

= {
    "N/A",
    "HIT",
    "MISS",
    "L1",
    "L2",
    "Walker",
    "Fault",
}

Definition at line 106 of file mem-events.c.