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

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2024-07-22 17:22:30 +08:00
// SPDX-License-Identifier: GPL-2.0
#include "map_symbol.h"
#include "mem-events.h"
#define E(t, n, s) { .tag = t, .name = n, .sysfs_name = s }
static struct perf_mem_event perf_mem_events[PERF_MEM_EVENTS__MAX] = {
E("spe-load", "arm_spe_0/ts_enable=1,load_filter=1,store_filter=0,min_latency=%u/", "arm_spe_0"),
E("spe-store", "arm_spe_0/ts_enable=1,load_filter=0,store_filter=1/", "arm_spe_0"),
E("spe-ldst", "arm_spe_0/ts_enable=1,load_filter=1,store_filter=1,min_latency=%u/", "arm_spe_0"),
};
static char mem_ev_name[100];
struct perf_mem_event *perf_mem_events__ptr(int i)
{
if (i >= PERF_MEM_EVENTS__MAX)
return NULL;
return &perf_mem_events[i];
}
char *perf_mem_events__name(int i, char *pmu_name __maybe_unused)
{
struct perf_mem_event *e = perf_mem_events__ptr(i);
if (i >= PERF_MEM_EVENTS__MAX)
return NULL;
if (i == PERF_MEM_EVENTS__LOAD || i == PERF_MEM_EVENTS__LOAD_STORE)
scnprintf(mem_ev_name, sizeof(mem_ev_name),
e->name, perf_mem_events__loads_ldlat);
else /* PERF_MEM_EVENTS__STORE */
scnprintf(mem_ev_name, sizeof(mem_ev_name), e->name);
return mem_ev_name;
}