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
  8struct 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
 17enum {
 18	PERF_MEM_EVENTS__LOAD,
 19	PERF_MEM_EVENTS__STORE,
 20	PERF_MEM_EVENTS__LOAD_STORE,
 21	PERF_MEM_EVENTS__MAX,
 22};
 23
 24struct evsel;
 25struct mem_info;
 26struct perf_pmu;
 27
 28extern unsigned int perf_mem_events__loads_ldlat;
 29extern struct perf_mem_event perf_mem_events[PERF_MEM_EVENTS__MAX];
 30extern bool perf_mem_record[PERF_MEM_EVENTS__MAX];
 31
 32int perf_pmu__mem_events_parse(struct perf_pmu *pmu, const char *str);
 33int perf_pmu__mem_events_init(void);
 34
 35struct perf_mem_event *perf_pmu__mem_events_ptr(struct perf_pmu *pmu, int i);
 36struct perf_pmu *perf_mem_events_find_pmu(void);
 37int perf_pmu__mem_events_num_mem_pmus(struct perf_pmu *pmu);
 38bool is_mem_loads_aux_event(struct evsel *leader);
 39
 40void perf_pmu__mem_events_list(struct perf_pmu *pmu);
 41int perf_mem_events__record_args(const char **rec_argv, int *argv_nr,
 42				 char **event_name_storage_out);
 43
 44int perf_mem__tlb_scnprintf(char *out, size_t sz, const struct mem_info *mem_info);
 45int perf_mem__lvl_scnprintf(char *out, size_t sz, const struct mem_info *mem_info);
 46int perf_mem__snp_scnprintf(char *out, size_t sz, const struct mem_info *mem_info);
 47int perf_mem__lck_scnprintf(char *out, size_t sz, const struct mem_info *mem_info);
 48int perf_mem__blk_scnprintf(char *out, size_t sz, const struct mem_info *mem_info);
 49
 50int perf_script__meminfo_scnprintf(char *bf, size_t size, const struct mem_info *mem_info);
 51
 52struct c2c_stats {
 53	u32	nr_entries;
 54
 55	u32	locks;               /* count of 'lock' transactions */
 56	u32	store;               /* count of all stores in trace */
 57	u32	st_uncache;          /* stores to uncacheable address */
 58	u32	st_noadrs;           /* cacheable store with no address */
 59	u32	st_l1hit;            /* count of stores that hit L1D */
 60	u32	st_l1miss;           /* count of stores that miss L1D */
 61	u32	st_na;               /* count of stores with memory level is not available */
 62	u32	load;                /* count of all loads in trace */
 63	u32	ld_excl;             /* exclusive loads, rmt/lcl DRAM - snp none/miss */
 64	u32	ld_shared;           /* shared loads, rmt/lcl DRAM - snp hit */
 65	u32	ld_uncache;          /* loads to uncacheable address */
 66	u32	ld_io;               /* loads to io address */
 67	u32	ld_miss;             /* loads miss */
 68	u32	ld_noadrs;           /* cacheable load with no address */
 69	u32	ld_fbhit;            /* count of loads hitting Fill Buffer */
 70	u32	ld_l1hit;            /* count of loads that hit L1D */
 71	u32	ld_l2hit;            /* count of loads that hit L2D */
 72	u32	ld_llchit;           /* count of loads that hit LLC */
 73	u32	lcl_hitm;            /* count of loads with local HITM  */
 74	u32	rmt_hitm;            /* count of loads with remote HITM */
 75	u32	tot_hitm;            /* count of loads with local and remote HITM */
 76	u32	lcl_peer;            /* count of loads with local peer cache */
 77	u32	rmt_peer;            /* count of loads with remote peer cache */
 78	u32	tot_peer;            /* count of loads with local and remote peer cache */
 79	u32	rmt_hit;             /* count of loads with remote hit clean; */
 80	u32	lcl_dram;            /* count of loads miss to local DRAM */
 81	u32	rmt_dram;            /* count of loads miss to remote DRAM */
 82	u32	blk_data;            /* count of loads blocked by data */
 83	u32	blk_addr;            /* count of loads blocked by address conflict */
 84	u32	nomap;               /* count of load/stores with no phys addrs */
 85	u32	noparse;             /* count of unparsable data sources */
 86};
 87
 88struct hist_entry;
 89int c2c_decode_stats(struct c2c_stats *stats, struct mem_info *mi);
 90void c2c_add_stats(struct c2c_stats *stats, struct c2c_stats *add);
 91
 92enum mem_stat_type {
 93	PERF_MEM_STAT_OP,
 94	PERF_MEM_STAT_CACHE,
 95	PERF_MEM_STAT_MEMORY,
 96	PERF_MEM_STAT_SNOOP,
 97	PERF_MEM_STAT_DTLB,
 98};
 99
100#define MEM_STAT_PRINT_LEN  7  /* 1 space + 5 digits + 1 percent sign */
101
102enum mem_stat_op {
103	MEM_STAT_OP_LOAD,
104	MEM_STAT_OP_STORE,
105	MEM_STAT_OP_LDST,
106	MEM_STAT_OP_PFETCH,
107	MEM_STAT_OP_EXEC,
108	MEM_STAT_OP_OTHER,
109};
110
111enum mem_stat_cache {
112	MEM_STAT_CACHE_L1,
113	MEM_STAT_CACHE_L2,
114	MEM_STAT_CACHE_L3,
115	MEM_STAT_CACHE_L4,
116	MEM_STAT_CACHE_L1_BUF,
117	MEM_STAT_CACHE_L2_BUF,
118	MEM_STAT_CACHE_OTHER,
119};
120
121enum mem_stat_memory {
122	MEM_STAT_MEMORY_RAM,
123	MEM_STAT_MEMORY_MSC,
124	MEM_STAT_MEMORY_UNC,
125	MEM_STAT_MEMORY_CXL,
126	MEM_STAT_MEMORY_IO,
127	MEM_STAT_MEMORY_PMEM,
128	MEM_STAT_MEMORY_OTHER,
129};
130
131enum mem_stat_snoop {
132	MEM_STAT_SNOOP_HIT,
133	MEM_STAT_SNOOP_HITM,
134	MEM_STAT_SNOOP_MISS,
135	MEM_STAT_SNOOP_OTHER,
136};
137
138enum mem_stat_dtlb {
139	MEM_STAT_DTLB_L1_HIT,
140	MEM_STAT_DTLB_L2_HIT,
141	MEM_STAT_DTLB_ANY_HIT,
142	MEM_STAT_DTLB_MISS,
143	MEM_STAT_DTLB_OTHER,
144};
145
146int mem_stat_index(const enum mem_stat_type mst, const u64 data_src);
147const char *mem_stat_name(const enum mem_stat_type mst, const int idx);
148
149#endif /* __PERF_MEM_EVENTS_H */