linux-stable/tools/perf/util/mem-events.h
Kan Liang d9d5d767b2 perf c2c: Support data block and addr block
'perf c2c' is also a memory profiling tool. Apply the two new data
source fields to 'perf c2c' as well.

Extend 'perf c2c' to display the number of loads which blocked by data or
address conflict.

Signed-off-by: Kan Liang <kan.liang@linux.intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Don Zickus <dzickus@redhat.com>
Cc: Jin Yao <yao.jin@linux.intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Joe Mario <jmario@redhat.com>
Cc: Madhavan Srinivasan <maddy@linux.vnet.ibm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lore.kernel.org/lkml/1612296553-21962-5-git-send-email-kan.liang@linux.intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2021-02-08 16:25:00 -03:00

92 lines
3.3 KiB
C

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __PERF_MEM_EVENTS_H
#define __PERF_MEM_EVENTS_H
#include <stdbool.h>
#include <stdint.h>
#include <stdio.h>
#include <linux/types.h>
#include <linux/refcount.h>
#include <linux/perf_event.h>
#include "stat.h"
#include "evsel.h"
struct perf_mem_event {
bool record;
bool supported;
const char *tag;
const char *name;
const char *sysfs_name;
};
struct mem_info {
struct addr_map_symbol iaddr;
struct addr_map_symbol daddr;
union perf_mem_data_src data_src;
refcount_t refcnt;
};
enum {
PERF_MEM_EVENTS__LOAD,
PERF_MEM_EVENTS__STORE,
PERF_MEM_EVENTS__LOAD_STORE,
PERF_MEM_EVENTS__MAX,
};
extern unsigned int perf_mem_events__loads_ldlat;
int perf_mem_events__parse(const char *str);
int perf_mem_events__init(void);
char *perf_mem_events__name(int i);
struct perf_mem_event *perf_mem_events__ptr(int i);
bool is_mem_loads_aux_event(struct evsel *leader);
void perf_mem_events__list(void);
struct mem_info;
int perf_mem__tlb_scnprintf(char *out, size_t sz, struct mem_info *mem_info);
int perf_mem__lvl_scnprintf(char *out, size_t sz, struct mem_info *mem_info);
int perf_mem__snp_scnprintf(char *out, size_t sz, struct mem_info *mem_info);
int perf_mem__lck_scnprintf(char *out, size_t sz, struct mem_info *mem_info);
int perf_mem__blk_scnprintf(char *out, size_t sz, struct mem_info *mem_info);
int perf_script__meminfo_scnprintf(char *bf, size_t size, 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 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 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 adrs */
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);
#endif /* __PERF_MEM_EVENTS_H */