tools/perf/util/mem-events.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #ifndef __PERF_MEM_EVENTS_H
   3 #define __PERF_MEM_EVENTS_H
   4
   5 #include <stdbool.h>
   6 #include <linux/types.h>
   7
   8 struct perf_mem_event {
   9         bool            supported;
  10         bool            ldlat;
  11         u32             aux_event;
  12         const char      *tag;
  13         const char      *name;
  14         const char      *event_name;
  15 };
  16
  17 enum {
  18         PERF_MEM_EVENTS__LOAD,
  19         PERF_MEM_EVENTS__STORE,
  20         PERF_MEM_EVENTS__LOAD_STORE,
  21         PERF_MEM_EVENTS__MAX,
  22 };
  23
  24 struct evsel;
  25 struct mem_info;
  26 struct perf_pmu;
  27
  28 extern unsigned int perf_mem_events__loads_ldlat;
  29 extern struct perf_mem_event perf_mem_events[PERF_MEM_EVENTS__MAX];
  30 extern bool perf_mem_record[PERF_MEM_EVENTS__MAX];
  31
  32 int perf_pmu__mem_events_parse(struct perf_pmu *pmu, const char *str);
  33 int perf_pmu__mem_events_init(void);
  34
  35 struct perf_mem_event *perf_pmu__mem_events_ptr(struct perf_pmu *pmu, int i);
  36 struct perf_pmu *perf_mem_events_find_pmu(void);
  37 int perf_pmu__mem_events_num_mem_pmus(struct perf_pmu *pmu);
  38 bool is_mem_loads_aux_event(struct evsel *leader);
  39
  40 void perf_pmu__mem_events_list(struct perf_pmu *pmu);
  41 int perf_mem_events__record_args(const char **rec_argv, int *argv_nr);
  42
  43 int perf_mem__tlb_scnprintf(char *out, size_t sz, const struct mem_info *mem_info);
  44 int perf_mem__lvl_scnprintf(char *out, size_t sz, const struct mem_info *mem_info);
  45 int perf_mem__snp_scnprintf(char *out, size_t sz, const struct mem_info *mem_info);
  46 int perf_mem__lck_scnprintf(char *out, size_t sz, const struct mem_info *mem_info);
  47 int perf_mem__blk_scnprintf(char *out, size_t sz, const struct mem_info *mem_info);
  48
  49 int perf_script__meminfo_scnprintf(char *bf, size_t size, const struct mem_info *mem_info);
  50
  51 struct c2c_stats {
  52         u32     nr_entries;
  53
  54         u32     locks;               /* count of 'lock' transactions */
  55         u32     store;               /* count of all stores in trace */
  56         u32     st_uncache;          /* stores to uncacheable address */
  57         u32     st_noadrs;           /* cacheable store with no address */
  58         u32     st_l1hit;            /* count of stores that hit L1D */
  59         u32     st_l1miss;           /* count of stores that miss L1D */
  60         u32     st_na;               /* count of stores with memory level is not available */
  61         u32     load;                /* count of all loads in trace */
  62         u32     ld_excl;             /* exclusive loads, rmt/lcl DRAM - snp none/miss */
  63         u32     ld_shared;           /* shared loads, rmt/lcl DRAM - snp hit */
  64         u32     ld_uncache;          /* loads to uncacheable address */
  65         u32     ld_io;               /* loads to io address */
  66         u32     ld_miss;             /* loads miss */
  67         u32     ld_noadrs;           /* cacheable load with no address */
  68         u32     ld_fbhit;            /* count of loads hitting Fill Buffer */
  69         u32     ld_l1hit;            /* count of loads that hit L1D */
  70         u32     ld_l2hit;            /* count of loads that hit L2D */
  71         u32     ld_llchit;           /* count of loads that hit LLC */
  72         u32     lcl_hitm;            /* count of loads with local HITM  */
  73         u32     rmt_hitm;            /* count of loads with remote HITM */
  74         u32     tot_hitm;            /* count of loads with local and remote HITM */
  75         u32     lcl_peer;            /* count of loads with local peer cache */
  76         u32     rmt_peer;            /* count of loads with remote peer cache */
  77         u32     tot_peer;            /* count of loads with local and remote peer cache */
  78         u32     rmt_hit;             /* count of loads with remote hit clean; */
  79         u32     lcl_dram;            /* count of loads miss to local DRAM */
  80         u32     rmt_dram;            /* count of loads miss to remote DRAM */
  81         u32     blk_data;            /* count of loads blocked by data */
  82         u32     blk_addr;            /* count of loads blocked by address conflict */
  83         u32     nomap;               /* count of load/stores with no phys addrs */
  84         u32     noparse;             /* count of unparsable data sources */
  85 };
  86
  87 struct hist_entry;
  88 int c2c_decode_stats(struct c2c_stats *stats, struct mem_info *mi);
  89 void c2c_add_stats(struct c2c_stats *stats, struct c2c_stats *add);
  90
  91 #endif /* __PERF_MEM_EVENTS_H */