tools/perf/arch/arm64/util/mem-events.c

   1 // SPDX-License-Identifier: GPL-2.0
   2 #include "map_symbol.h"
   3 #include "mem-events.h"
   4
   5 #define E(t, n, s) { .tag = t, .name = n, .sysfs_name = s }
   6
   7 static struct perf_mem_event perf_mem_events[PERF_MEM_EVENTS__MAX] = {
   8         E("spe-load",   "arm_spe_0/ts_enable=1,load_filter=1,store_filter=0,min_latency=%u/",   "arm_spe_0"),
   9         E("spe-store",  "arm_spe_0/ts_enable=1,load_filter=0,store_filter=1/",                  "arm_spe_0"),
  10         E("spe-ldst",   "arm_spe_0/ts_enable=1,load_filter=1,store_filter=1,min_latency=%u/",   "arm_spe_0"),
  11 };
  12
  13 static char mem_ev_name[100];
  14
  15 struct perf_mem_event *perf_mem_events__ptr(int i)
  16 {
  17         if (i >= PERF_MEM_EVENTS__MAX)
  18                 return NULL;
  19
  20         return &perf_mem_events[i];
  21 }
  22
  23 char *perf_mem_events__name(int i)
  24 {
  25         struct perf_mem_event *e = perf_mem_events__ptr(i);
  26
  27         if (i >= PERF_MEM_EVENTS__MAX)
  28                 return NULL;
  29
  30         if (i == PERF_MEM_EVENTS__LOAD || i == PERF_MEM_EVENTS__LOAD_STORE)
  31                 scnprintf(mem_ev_name, sizeof(mem_ev_name),
  32                           e->name, perf_mem_events__loads_ldlat);
  33         else /* PERF_MEM_EVENTS__STORE */
  34                 scnprintf(mem_ev_name, sizeof(mem_ev_name), e->name);
  35
  36         return mem_ev_name;
  37 }