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perf tools: Support pmu prefix for mem-store event 

For enabling mem-store event, it doesn't need an auxiliary event.
So just build an event name string with the pmu prefix.

Signed-off-by: Jin Yao <yao.jin@linux.intel.com>
Acked-by: Jiri Olsa <jolsa@redhat.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Kan Liang <kan.liang@intel.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: https://lore.kernel.org/r/20210527001610.10553-4-yao.jin@linux.intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Jin Yao 2021-05-27 08:16:05 +08:00 committed by Arnaldo Carvalho de Melo
parent d2f327acc6
commit a91ffcf30e
1 changed files with 11 additions and 1 deletions
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12
tools/perf/arch/x86/util/mem-events.c
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@ -5,6 +5,7 @@
static char mem_loads_name[100];
static bool mem_loads_name__init;
static char mem_stores_name[100];
#define MEM_LOADS_AUX 0x8203
#define MEM_LOADS_AUX_NAME "{%s/mem-loads-aux/,%s/mem-loads,ldlat=%u/}:P"
@ -13,7 +14,7 @@ static bool mem_loads_name__init;
static struct perf_mem_event perf_mem_events[PERF_MEM_EVENTS__MAX] = {
E("ldlat-loads", "%s/mem-loads,ldlat=%u/P", "%s/events/mem-loads"),
E("ldlat-stores", "cpu/mem-stores/P", "cpu/events/mem-stores"),
E("ldlat-stores", "%s/mem-stores/P", "%s/events/mem-stores"),
E(NULL, NULL, NULL),
};
@ -66,5 +67,14 @@ char *perf_mem_events__name(int i, char *pmu_name)
return mem_loads_name;
}
if (i == PERF_MEM_EVENTS__STORE) {
if (!pmu_name)
pmu_name = (char *)"cpu";
scnprintf(mem_stores_name, sizeof(mem_stores_name),
e->name, pmu_name);
return mem_stores_name;
}
return (char *)e->name;
}