mem-events.h

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/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __PERF_MEM_EVENTS_H
#define __PERF_MEM_EVENTS_H

#include <stdbool.h>
#include <stdint.h>
#include <stdio.h>
#include <linux/types.h>
#include "stat.h"

struct perf_mem_event {
    bool        record;
    bool        supported;
    const char  *tag;
    const char  *name;
    const char  *sysfs_name;
};

enum {
    PERF_MEM_EVENTS__LOAD,
    PERF_MEM_EVENTS__STORE,
    PERF_MEM_EVENTS__MAX,
};

extern struct perf_mem_event perf_mem_events[PERF_MEM_EVENTS__MAX];
extern unsigned int perf_mem_events__loads_ldlat;

int perf_mem_events__parse(const char *str);
int perf_mem_events__init(void);

char *perf_mem_events__name(int i);

struct mem_info;
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 *bf, size_t size, struct mem_info *mem_info);

struct c2c_stats {
    u32 nr_entries;

    u32 locks;               /* count of 'lock' transactions */
    u32 store;               /* count of all stores in trace */
    u32 st_uncache;          /* stores to uncacheable address */
    u32 st_noadrs;           /* cacheable store with no address */
    u32 st_l1hit;            /* count of stores that hit L1D */
    u32 st_l1miss;           /* count of stores that miss L1D */
    u32 load;                /* count of all loads in trace */
    u32 ld_excl;             /* exclusive loads, rmt/lcl DRAM - snp none/miss */
    u32 ld_shared;           /* shared loads, rmt/lcl DRAM - snp hit */
    u32 ld_uncache;          /* loads to uncacheable address */
    u32 ld_io;               /* loads to io address */
    u32 ld_miss;             /* loads miss */
    u32 ld_noadrs;           /* cacheable load with no address */
    u32 ld_fbhit;            /* count of loads hitting Fill Buffer */
    u32 ld_l1hit;            /* count of loads that hit L1D */
    u32 ld_l2hit;            /* count of loads that hit L2D */
    u32 ld_llchit;           /* count of loads that hit LLC */
    u32 lcl_hitm;            /* count of loads with local HITM  */
    u32 rmt_hitm;            /* count of loads with remote HITM */
    u32 tot_hitm;            /* count of loads with local and remote HITM */
    u32 rmt_hit;             /* count of loads with remote hit clean; */
    u32 lcl_dram;            /* count of loads miss to local DRAM */
    u32 rmt_dram;            /* count of loads miss to remote DRAM */
    u32 nomap;               /* count of load/stores with no phys adrs */
    u32 noparse;             /* count of unparsable data sources */
};

struct hist_entry;
int c2c_decode_stats(struct c2c_stats *stats, struct mem_info *mi);
void c2c_add_stats(struct c2c_stats *stats, struct c2c_stats *add);

#endif /* __PERF_MEM_EVENTS_H */