palacios/include/palacios/vmm_pwrstat_telemetry.h

   1 /*
   2  * This file is part of the Palacios Virtual Machine Monitor developed
   3  * by the V3VEE Project with funding from the United States National
   4  * Science Foundation and the Department of Energy.
   5  *
   6  * The V3VEE Project is a joint project between Northwestern University
   7  * and the University of New Mexico.  You can find out more at
   8  * http://www.v3vee.org
   9  *
  10  * Copyright (c) 2013, The V3VEE Project <http://www.v3vee.org>
  11  * All rights reserved.
  12  *
  13  * Author: Kyle C. Hale <kh@u.northwestern.edu>
  14  *         Chang S. Bae <chang.bae@eecs.northwestern.edu>
  15  *         Peter Dinda <pdinda@northwestern.edu>
  16  *
  17  * This is free software.  You are permitted to use,
  18  * redistribute, and modify it as specified in the file "V3VEE_LICENSE".
  19  */
  20
  21 #ifndef __VMM_PWRSTAT_TELEMETRY_H__
  22 #define __VMM_PWRSTAT_TELEMETRY_H__
  23
  24 #ifdef __V3VEE__
  25
  26 #ifdef V3_CONFIG_PWRSTAT_TELEMETRY
  27
  28 #include <interfaces/vmm_pwrstat.h>
  29 #include <palacios/vmm_list.h>
  30
  31 struct guest_info;
  32
  33 #define PWRSTAT_NUM_COUNTERS 4
  34
  35 struct v3_core_pwrstat_telemetry {
  36   enum {PWR_AWAIT_FIRST_ENTRY=0, PWR_AWAIT_ENTRY, PWR_AWAIT_EXIT} state;
  37   uint8_t       active_counters[PWRSTAT_NUM_COUNTERS];
  38   uint64_t      guest_counts[PWRSTAT_NUM_COUNTERS];
  39   uint64_t      host_counts[PWRSTAT_NUM_COUNTERS];
  40   uint64_t      last_snapshot[PWRSTAT_NUM_COUNTERS];
  41 };
  42
  43
  44 void v3_pwrstat_telemetry_start(struct guest_info *info);
  45 void v3_pwrstat_telemetry_enter(struct guest_info *info);
  46 void v3_pwrstat_telemetry_exit(struct guest_info *info);
  47 void v3_pwrstat_telemetry_end(struct guest_info *info);
  48
  49
  50 #endif
  51 #endif
  52 #endif