akaros/user/perfmon/pfmlib_intel_ivbep_unc_qpi.c
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   1/*
   2 * pfmlib_intel_ivbep_qpi.c : Intel IvyBridge-EP QPI uncore PMU
   3 *
   4 * Copyright (c) 2014 Google Inc. All rights reserved
   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#include <sys/types.h>
  25#include <ctype.h>
  26#include <string.h>
  27#include <stdlib.h>
  28#include <stdio.h>
  29
  30/* private headers */
  31#include "pfmlib_priv.h"
  32#include "pfmlib_intel_x86_priv.h"
  33#include "pfmlib_intel_snbep_unc_priv.h"
  34#include "events/intel_ivbep_unc_qpi_events.h"
  35
  36static void
  37display_qpi(void *this, pfmlib_event_desc_t *e, void *val)
  38{
  39        const intel_x86_entry_t *pe = this_pe(this);
  40        pfm_snbep_unc_reg_t *reg = val;
  41
  42        __pfm_vbprintf("[UNC_QPI=0x%"PRIx64" event=0x%x sel_ext=%d umask=0x%x en=%d "
  43                       "inv=%d edge=%d thres=%d] %s\n",
  44                        reg->val,
  45                        reg->qpi.unc_event,
  46                        reg->qpi.unc_event_ext,
  47                        reg->qpi.unc_umask,
  48                        reg->qpi.unc_en,
  49                        reg->qpi.unc_inv,
  50                        reg->qpi.unc_edge,
  51                        reg->qpi.unc_thres,
  52                        pe[e->event].name);
  53}
  54
  55#define DEFINE_QPI_BOX(n) \
  56pfmlib_pmu_t intel_ivbep_unc_qpi##n##_support = {\
  57        .desc                   = "Intel Ivy Bridge-EP QPI"#n" uncore",\
  58        .name                   = "ivbep_unc_qpi"#n,\
  59        .perf_name              = "uncore_qpi_"#n,\
  60        .pmu                    = PFM_PMU_INTEL_IVBEP_UNC_QPI##n,\
  61        .pme_count              = LIBPFM_ARRAY_SIZE(intel_ivbep_unc_q_pe),\
  62        .type                   = PFM_PMU_TYPE_UNCORE,\
  63        .num_cntrs              = 4,\
  64        .num_fixed_cntrs        = 0,\
  65        .max_encoding           = 3,\
  66        .pe                     = intel_ivbep_unc_q_pe,\
  67        .atdesc                 = snbep_unc_mods,\
  68        .flags                  = PFMLIB_PMU_FL_RAW_UMASK,\
  69        .pmu_detect             = pfm_intel_ivbep_unc_detect,\
  70        .get_event_encoding[PFM_OS_NONE] = pfm_intel_snbep_unc_get_encoding,\
  71         PFMLIB_ENCODE_PERF(pfm_intel_snbep_unc_get_perf_encoding),\
  72         PFMLIB_OS_DETECT(pfm_intel_x86_perf_detect), \
  73        .get_event_first        = pfm_intel_x86_get_event_first,\
  74        .get_event_next         = pfm_intel_x86_get_event_next,\
  75        .event_is_valid         = pfm_intel_x86_event_is_valid,\
  76        .validate_table         = pfm_intel_x86_validate_table,\
  77        .get_event_info         = pfm_intel_x86_get_event_info,\
  78        .get_event_attr_info    = pfm_intel_x86_get_event_attr_info,\
  79        PFMLIB_VALID_PERF_PATTRS(pfm_intel_snbep_unc_perf_validate_pattrs),\
  80        .get_event_nattrs       = pfm_intel_x86_get_event_nattrs,\
  81        .display_reg            = display_qpi,\
  82}
  83DEFINE_QPI_BOX(0);
  84DEFINE_QPI_BOX(1);
  85DEFINE_QPI_BOX(2);
  86