xref: /openbmc/linux/tools/perf/util/mem-events.h (revision b8d312aa)
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 "stat.h"
10 
11 struct perf_mem_event {
12 	bool		record;
13 	bool		supported;
14 	const char	*tag;
15 	const char	*name;
16 	const char	*sysfs_name;
17 };
18 
19 enum {
20 	PERF_MEM_EVENTS__LOAD,
21 	PERF_MEM_EVENTS__STORE,
22 	PERF_MEM_EVENTS__MAX,
23 };
24 
25 extern struct perf_mem_event perf_mem_events[PERF_MEM_EVENTS__MAX];
26 extern unsigned int perf_mem_events__loads_ldlat;
27 
28 int perf_mem_events__parse(const char *str);
29 int perf_mem_events__init(void);
30 
31 char *perf_mem_events__name(int i);
32 
33 struct mem_info;
34 int perf_mem__tlb_scnprintf(char *out, size_t sz, struct mem_info *mem_info);
35 int perf_mem__lvl_scnprintf(char *out, size_t sz, struct mem_info *mem_info);
36 int perf_mem__snp_scnprintf(char *out, size_t sz, struct mem_info *mem_info);
37 int perf_mem__lck_scnprintf(char *out, size_t sz, struct mem_info *mem_info);
38 
39 int perf_script__meminfo_scnprintf(char *bf, size_t size, struct mem_info *mem_info);
40 
41 struct c2c_stats {
42 	u32	nr_entries;
43 
44 	u32	locks;               /* count of 'lock' transactions */
45 	u32	store;               /* count of all stores in trace */
46 	u32	st_uncache;          /* stores to uncacheable address */
47 	u32	st_noadrs;           /* cacheable store with no address */
48 	u32	st_l1hit;            /* count of stores that hit L1D */
49 	u32	st_l1miss;           /* count of stores that miss L1D */
50 	u32	load;                /* count of all loads in trace */
51 	u32	ld_excl;             /* exclusive loads, rmt/lcl DRAM - snp none/miss */
52 	u32	ld_shared;           /* shared loads, rmt/lcl DRAM - snp hit */
53 	u32	ld_uncache;          /* loads to uncacheable address */
54 	u32	ld_io;               /* loads to io address */
55 	u32	ld_miss;             /* loads miss */
56 	u32	ld_noadrs;           /* cacheable load with no address */
57 	u32	ld_fbhit;            /* count of loads hitting Fill Buffer */
58 	u32	ld_l1hit;            /* count of loads that hit L1D */
59 	u32	ld_l2hit;            /* count of loads that hit L2D */
60 	u32	ld_llchit;           /* count of loads that hit LLC */
61 	u32	lcl_hitm;            /* count of loads with local HITM  */
62 	u32	rmt_hitm;            /* count of loads with remote HITM */
63 	u32	tot_hitm;            /* count of loads with local and remote HITM */
64 	u32	rmt_hit;             /* count of loads with remote hit clean; */
65 	u32	lcl_dram;            /* count of loads miss to local DRAM */
66 	u32	rmt_dram;            /* count of loads miss to remote DRAM */
67 	u32	nomap;               /* count of load/stores with no phys adrs */
68 	u32	noparse;             /* count of unparsable data sources */
69 };
70 
71 struct hist_entry;
72 int c2c_decode_stats(struct c2c_stats *stats, struct mem_info *mi);
73 void c2c_add_stats(struct c2c_stats *stats, struct c2c_stats *add);
74 
75 #endif /* __PERF_MEM_EVENTS_H */
76