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 void perf_mem_events__list(void);
43 
44 struct mem_info;
45 int perf_mem__tlb_scnprintf(char *out, size_t sz, struct mem_info *mem_info);
46 int perf_mem__lvl_scnprintf(char *out, size_t sz, struct mem_info *mem_info);
47 int perf_mem__snp_scnprintf(char *out, size_t sz, struct mem_info *mem_info);
48 int perf_mem__lck_scnprintf(char *out, size_t sz, struct mem_info *mem_info);
49 
50 int perf_script__meminfo_scnprintf(char *bf, size_t size, struct mem_info *mem_info);
51 
52 struct 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	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	rmt_hit;             /* count of loads with remote hit clean; */
76 	u32	lcl_dram;            /* count of loads miss to local DRAM */
77 	u32	rmt_dram;            /* count of loads miss to remote DRAM */
78 	u32	nomap;               /* count of load/stores with no phys adrs */
79 	u32	noparse;             /* count of unparsable data sources */
80 };
81 
82 struct hist_entry;
83 int c2c_decode_stats(struct c2c_stats *stats, struct mem_info *mi);
84 void c2c_add_stats(struct c2c_stats *stats, struct c2c_stats *add);
85 
86 #endif /* __PERF_MEM_EVENTS_H */
87