diff options
Diffstat (limited to 'tools/perf/util/mem-events.h')
| -rw-r--r-- | tools/perf/util/mem-events.h | 149 |
1 files changed, 149 insertions, 0 deletions
diff --git a/tools/perf/util/mem-events.h b/tools/perf/util/mem-events.h new file mode 100644 index 000000000..5b9807690 --- /dev/null +++ b/tools/perf/util/mem-events.h @@ -0,0 +1,149 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef __PERF_MEM_EVENTS_H +#define __PERF_MEM_EVENTS_H + +#include <stdbool.h> +#include <linux/types.h> + +struct perf_mem_event { + bool supported; + bool ldlat; + u32 aux_event; + const char *tag; + const char *name; + const char *event_name; +}; + +enum { + PERF_MEM_EVENTS__LOAD, + PERF_MEM_EVENTS__STORE, + PERF_MEM_EVENTS__LOAD_STORE, + PERF_MEM_EVENTS__MAX, +}; + +struct evsel; +struct mem_info; +struct perf_pmu; + +extern unsigned int perf_mem_events__loads_ldlat; +extern struct perf_mem_event perf_mem_events[PERF_MEM_EVENTS__MAX]; +extern bool perf_mem_record[PERF_MEM_EVENTS__MAX]; + +int perf_pmu__mem_events_parse(struct perf_pmu *pmu, const char *str); +int perf_pmu__mem_events_init(void); + +struct perf_mem_event *perf_pmu__mem_events_ptr(struct perf_pmu *pmu, int i); +struct perf_pmu *perf_mem_events_find_pmu(void); +int perf_pmu__mem_events_num_mem_pmus(struct perf_pmu *pmu); +bool is_mem_loads_aux_event(struct evsel *leader); + +void perf_pmu__mem_events_list(struct perf_pmu *pmu); +int perf_mem_events__record_args(const char **rec_argv, int *argv_nr, + char **event_name_storage_out); + +int perf_mem__tlb_scnprintf(char *out, size_t sz, const struct mem_info *mem_info); +int perf_mem__lvl_scnprintf(char *out, size_t sz, const struct mem_info *mem_info); +int perf_mem__snp_scnprintf(char *out, size_t sz, const struct mem_info *mem_info); +int perf_mem__lck_scnprintf(char *out, size_t sz, const struct mem_info *mem_info); +int perf_mem__blk_scnprintf(char *out, size_t sz, const struct mem_info *mem_info); + +int perf_script__meminfo_scnprintf(char *bf, size_t size, const struct mem_info *mem_info); + +struct c2c_stats { + u32 nr_entries; + + u32 locks; /* count of 'lock' transactions */ + u32 store; /* count of all stores in trace */ + u32 st_uncache; /* stores to uncacheable address */ + u32 st_noadrs; /* cacheable store with no address */ + u32 st_l1hit; /* count of stores that hit L1D */ + u32 st_l1miss; /* count of stores that miss L1D */ + u32 st_na; /* count of stores with memory level is not available */ + u32 load; /* count of all loads in trace */ + u32 ld_excl; /* exclusive loads, rmt/lcl DRAM - snp none/miss */ + u32 ld_shared; /* shared loads, rmt/lcl DRAM - snp hit */ + u32 ld_uncache; /* loads to uncacheable address */ + u32 ld_io; /* loads to io address */ + u32 ld_miss; /* loads miss */ + u32 ld_noadrs; /* cacheable load with no address */ + u32 ld_fbhit; /* count of loads hitting Fill Buffer */ + u32 ld_l1hit; /* count of loads that hit L1D */ + u32 ld_l2hit; /* count of loads that hit L2D */ + u32 ld_llchit; /* count of loads that hit LLC */ + u32 lcl_hitm; /* count of loads with local HITM */ + u32 rmt_hitm; /* count of loads with remote HITM */ + u32 tot_hitm; /* count of loads with local and remote HITM */ + u32 lcl_peer; /* count of loads with local peer cache */ + u32 rmt_peer; /* count of loads with remote peer cache */ + u32 tot_peer; /* count of loads with local and remote peer cache */ + u32 rmt_hit; /* count of loads with remote hit clean; */ + u32 lcl_dram; /* count of loads miss to local DRAM */ + u32 rmt_dram; /* count of loads miss to remote DRAM */ + u32 blk_data; /* count of loads blocked by data */ + u32 blk_addr; /* count of loads blocked by address conflict */ + u32 nomap; /* count of load/stores with no phys addrs */ + u32 noparse; /* count of unparsable data sources */ +}; + +struct hist_entry; +int c2c_decode_stats(struct c2c_stats *stats, struct mem_info *mi); +void c2c_add_stats(struct c2c_stats *stats, struct c2c_stats *add); + +enum mem_stat_type { + PERF_MEM_STAT_OP, + PERF_MEM_STAT_CACHE, + PERF_MEM_STAT_MEMORY, + PERF_MEM_STAT_SNOOP, + PERF_MEM_STAT_DTLB, +}; + +#define MEM_STAT_PRINT_LEN 7 /* 1 space + 5 digits + 1 percent sign */ + +enum mem_stat_op { + MEM_STAT_OP_LOAD, + MEM_STAT_OP_STORE, + MEM_STAT_OP_LDST, + MEM_STAT_OP_PFETCH, + MEM_STAT_OP_EXEC, + MEM_STAT_OP_OTHER, +}; + +enum mem_stat_cache { + MEM_STAT_CACHE_L1, + MEM_STAT_CACHE_L2, + MEM_STAT_CACHE_L3, + MEM_STAT_CACHE_L4, + MEM_STAT_CACHE_L1_BUF, + MEM_STAT_CACHE_L2_BUF, + MEM_STAT_CACHE_OTHER, +}; + +enum mem_stat_memory { + MEM_STAT_MEMORY_RAM, + MEM_STAT_MEMORY_MSC, + MEM_STAT_MEMORY_UNC, + MEM_STAT_MEMORY_CXL, + MEM_STAT_MEMORY_IO, + MEM_STAT_MEMORY_PMEM, + MEM_STAT_MEMORY_OTHER, +}; + +enum mem_stat_snoop { + MEM_STAT_SNOOP_HIT, + MEM_STAT_SNOOP_HITM, + MEM_STAT_SNOOP_MISS, + MEM_STAT_SNOOP_OTHER, +}; + +enum mem_stat_dtlb { + MEM_STAT_DTLB_L1_HIT, + MEM_STAT_DTLB_L2_HIT, + MEM_STAT_DTLB_ANY_HIT, + MEM_STAT_DTLB_MISS, + MEM_STAT_DTLB_OTHER, +}; + +int mem_stat_index(const enum mem_stat_type mst, const u64 data_src); +const char *mem_stat_name(const enum mem_stat_type mst, const int idx); + +#endif /* __PERF_MEM_EVENTS_H */ |