diff options
Diffstat (limited to 'tools/perf/arch/x86/util/mem-events.c')
-rw-r--r-- | tools/perf/arch/x86/util/mem-events.c | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/tools/perf/arch/x86/util/mem-events.c b/tools/perf/arch/x86/util/mem-events.c new file mode 100644 index 000000000000..588110fd8904 --- /dev/null +++ b/tools/perf/arch/x86/util/mem-events.c @@ -0,0 +1,44 @@ +// SPDX-License-Identifier: GPL-2.0 +#include "util/pmu.h" +#include "map_symbol.h" +#include "mem-events.h" + +static char mem_loads_name[100]; +static bool mem_loads_name__init; + +#define MEM_LOADS_AUX 0x8203 +#define MEM_LOADS_AUX_NAME "{cpu/mem-loads-aux/,cpu/mem-loads,ldlat=%u/pp}:S" + +bool is_mem_loads_aux_event(struct evsel *leader) +{ + if (!pmu_have_event("cpu", "mem-loads-aux")) + return false; + + return leader->core.attr.config == MEM_LOADS_AUX; +} + +char *perf_mem_events__name(int i) +{ + struct perf_mem_event *e = perf_mem_events__ptr(i); + + if (!e) + return NULL; + + if (i == PERF_MEM_EVENTS__LOAD) { + if (mem_loads_name__init) + return mem_loads_name; + + mem_loads_name__init = true; + + if (pmu_have_event("cpu", "mem-loads-aux")) { + scnprintf(mem_loads_name, sizeof(mem_loads_name), + MEM_LOADS_AUX_NAME, perf_mem_events__loads_ldlat); + } else { + scnprintf(mem_loads_name, sizeof(mem_loads_name), + e->name, perf_mem_events__loads_ldlat); + } + return mem_loads_name; + } + + return (char *)e->name; +} |