tools/perf/arch/x86/util/pmu.c

   1 // SPDX-License-Identifier: GPL-2.0
   2 #include <string.h>
   3 #include <stdio.h>
   4 #include <sys/types.h>
   5 #include <dirent.h>
   6 #include <fcntl.h>
   7 #include <linux/stddef.h>
   8 #include <linux/perf_event.h>
   9 #include <linux/zalloc.h>
  10 #include <api/fs/fs.h>
  11 #include <errno.h>
  12
  13 #include "../../../util/intel-pt.h"
  14 #include "../../../util/intel-bts.h"
  15 #include "../../../util/pmu.h"
  16 #include "../../../util/fncache.h"
  17 #include "../../../util/pmus.h"
  18 #include "mem-events.h"
  19 #include "env.h"
  20
  21 void perf_pmu__arch_init(struct perf_pmu *pmu __maybe_unused)
  22 {
  23 #ifdef HAVE_AUXTRACE_SUPPORT
  24         if (!strcmp(pmu->name, INTEL_PT_PMU_NAME)) {
  25                 pmu->auxtrace = true;
  26                 pmu->selectable = true;
  27                 pmu->perf_event_attr_init_default = intel_pt_pmu_default_config;
  28         }
  29         if (!strcmp(pmu->name, INTEL_BTS_PMU_NAME)) {
  30                 pmu->auxtrace = true;
  31                 pmu->selectable = true;
  32         }
  33 #endif
  34
  35         if (x86__is_amd_cpu()) {
  36                 if (!strcmp(pmu->name, "ibs_op"))
  37                         pmu->mem_events = perf_mem_events_amd;
  38         } else if (pmu->is_core) {
  39                 if (perf_pmu__have_event(pmu, "mem-loads-aux"))
  40                         pmu->mem_events = perf_mem_events_intel_aux;
  41                 else
  42                         pmu->mem_events = perf_mem_events_intel;
  43         }
  44 }