akaros/user/perfmon/pfmlib_intel_bdw.c
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   1/*
   2 * pfmlib_intel_bdw.c : Intel Broadwell core PMU
   3 *
   4 * Copyright (c) 2014 Google, Inc
   5 * Contributed by Stephane Eranian <eranian@gmail.com>
   6 *
   7 * Permission is hereby granted, free of charge, to any person obtaining a copy
   8 * of this software and associated documentation files (the "Software"), to deal
   9 * in the Software without restriction, including without limitation the rights
  10 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
  11 * of the Software, and to permit persons to whom the Software is furnished to do so,
  12 * subject to the following conditions:
  13 *
  14 * The above copyright notice and this permission notice shall be included in all
  15 * copies or substantial portions of the Software.
  16 *
  17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
  18 * INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
  19 * PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
  20 * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
  21 * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE
  22 * OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  23 */
  24/* private headers */
  25#include "pfmlib_priv.h"
  26#include "pfmlib_intel_x86_priv.h"
  27#include "events/intel_bdw_events.h"
  28
  29static const int bdw_models[] = {
  30        61, /* Broadwell Core-M */
  31        0
  32};
  33
  34static int
  35pfm_bdw_init(void *this)
  36{
  37        pfm_intel_x86_cfg.arch_version = 4;
  38        return PFM_SUCCESS;
  39}
  40
  41pfmlib_pmu_t intel_bdw_support={
  42        .desc                   = "Intel Broadwell",
  43        .name                   = "bdw",
  44        .pmu                    = PFM_PMU_INTEL_BDW,
  45        .pme_count              = LIBPFM_ARRAY_SIZE(intel_bdw_pe),
  46        .type                   = PFM_PMU_TYPE_CORE,
  47        .supported_plm          = INTEL_X86_PLM,
  48        .num_cntrs              = 8, /* consider with HT off by default */
  49        .num_fixed_cntrs        = 3,
  50        .max_encoding           = 2, /* offcore_response */
  51        .pe                     = intel_bdw_pe,
  52        .atdesc                 = intel_x86_mods,
  53        .flags                  = PFMLIB_PMU_FL_RAW_UMASK
  54                                | INTEL_X86_PMU_FL_ECMASK,
  55        .cpu_family             = 6,
  56        .cpu_models             = bdw_models,
  57        .pmu_detect             = pfm_intel_x86_model_detect,
  58        .pmu_init               = pfm_bdw_init,
  59        .get_event_encoding[PFM_OS_NONE] = pfm_intel_x86_get_encoding,
  60         PFMLIB_ENCODE_PERF(pfm_intel_x86_get_perf_encoding),
  61        .get_event_first        = pfm_intel_x86_get_event_first,
  62        .get_event_next         = pfm_intel_x86_get_event_next,
  63        .event_is_valid         = pfm_intel_x86_event_is_valid,
  64        .validate_table         = pfm_intel_x86_validate_table,
  65        .get_event_info         = pfm_intel_x86_get_event_info,
  66        .get_event_attr_info    = pfm_intel_x86_get_event_attr_info,
  67         PFMLIB_VALID_PERF_PATTRS(pfm_intel_x86_perf_validate_pattrs),
  68        .get_event_nattrs       = pfm_intel_x86_get_event_nattrs,
  69        .can_auto_encode        = pfm_intel_x86_can_auto_encode,
  70};
  71