xref: /linux/tools/perf/util/mem-events.h (revision c532de5a67a70f8533d495f8f2aaa9a0491c3ad0)
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 */
92