root/tools/perf/util/mem-events.h

INCLUDED FROM

   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 <stdint.h>
   7 #include <stdio.h>
   8 #include <linux/types.h>
   9 #include <linux/refcount.h>
  10 #include <linux/perf_event.h>
  11 #include "stat.h"
  12 
  13 struct perf_mem_event {
  14         bool            record;
  15         bool            supported;
  16         const char      *tag;
  17         const char      *name;
  18         const char      *sysfs_name;
  19 };
  20 
  21 struct mem_info {
  22         struct addr_map_symbol  iaddr;
  23         struct addr_map_symbol  daddr;
  24         union perf_mem_data_src data_src;
  25         refcount_t              refcnt;
  26 };
  27 
  28 enum {
  29         PERF_MEM_EVENTS__LOAD,
  30         PERF_MEM_EVENTS__STORE,
  31         PERF_MEM_EVENTS__MAX,
  32 };
  33 
  34 extern struct perf_mem_event perf_mem_events[PERF_MEM_EVENTS__MAX];
  35 extern unsigned int perf_mem_events__loads_ldlat;
  36 
  37 int perf_mem_events__parse(const char *str);
  38 int perf_mem_events__init(void);
  39 
  40 char *perf_mem_events__name(int i);
  41 
  42 struct mem_info;
  43 int perf_mem__tlb_scnprintf(char *out, size_t sz, struct mem_info *mem_info);
  44 int perf_mem__lvl_scnprintf(char *out, size_t sz, struct mem_info *mem_info);
  45 int perf_mem__snp_scnprintf(char *out, size_t sz, struct mem_info *mem_info);
  46 int perf_mem__lck_scnprintf(char *out, size_t sz, struct mem_info *mem_info);
  47 
  48 int perf_script__meminfo_scnprintf(char *bf, size_t size, struct mem_info *mem_info);
  49 
  50 struct c2c_stats {
  51         u32     nr_entries;
  52 
  53         u32     locks;               /* count of 'lock' transactions */
  54         u32     store;               /* count of all stores in trace */
  55         u32     st_uncache;          /* stores to uncacheable address */
  56         u32     st_noadrs;           /* cacheable store with no address */
  57         u32     st_l1hit;            /* count of stores that hit L1D */
  58         u32     st_l1miss;           /* count of stores that miss L1D */
  59         u32     load;                /* count of all loads in trace */
  60         u32     ld_excl;             /* exclusive loads, rmt/lcl DRAM - snp none/miss */
  61         u32     ld_shared;           /* shared loads, rmt/lcl DRAM - snp hit */
  62         u32     ld_uncache;          /* loads to uncacheable address */
  63         u32     ld_io;               /* loads to io address */
  64         u32     ld_miss;             /* loads miss */
  65         u32     ld_noadrs;           /* cacheable load with no address */
  66         u32     ld_fbhit;            /* count of loads hitting Fill Buffer */
  67         u32     ld_l1hit;            /* count of loads that hit L1D */
  68         u32     ld_l2hit;            /* count of loads that hit L2D */
  69         u32     ld_llchit;           /* count of loads that hit LLC */
  70         u32     lcl_hitm;            /* count of loads with local HITM  */
  71         u32     rmt_hitm;            /* count of loads with remote HITM */
  72         u32     tot_hitm;            /* count of loads with local and remote HITM */
  73         u32     rmt_hit;             /* count of loads with remote hit clean; */
  74         u32     lcl_dram;            /* count of loads miss to local DRAM */
  75         u32     rmt_dram;            /* count of loads miss to remote DRAM */
  76         u32     nomap;               /* count of load/stores with no phys adrs */
  77         u32     noparse;             /* count of unparsable data sources */
  78 };
  79 
  80 struct hist_entry;
  81 int c2c_decode_stats(struct c2c_stats *stats, struct mem_info *mi);
  82 void c2c_add_stats(struct c2c_stats *stats, struct c2c_stats *add);
  83 
  84 #endif /* __PERF_MEM_EVENTS_H */