1 /* Copyright (c) 2013-2015. The SimGrid Team.
2 * All rights reserved. */
4 /* This program is free software; you can redistribute it and/or modify it
5 * under the terms of the license (GNU LGPL) which comes with this package. */
7 #include "simgrid/plugins/energy.h" // FIXME: this plugin should be separated from the core
9 #include "simgrid/simix.h"
10 #include "smpi/smpi.h"
11 #include "src/internal_config.h"
13 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(smpi_dvfs, smpi, "Logging specific to SMPI (experimental DVFS support)");
16 * \brief Return the speed of the processor (in flop/s) at a given pstate
18 * \param pstate_index pstate to test
19 * \return Returns the processor speed associated with pstate_index
21 double smpi_get_host_power_peak_at(int pstate_index)
23 return SIMIX_host_self()->getPstateSpeed(pstate_index);
27 * \brief Return the current speed of the processor (in flop/s)
29 * \return Returns the current processor speed
31 double smpi_get_host_current_power_peak(void)
33 return SIMIX_host_self()->getPstateSpeedCurrent();
37 * \brief Return the number of pstates defined for the current host
39 int smpi_get_host_nb_pstates(void)
41 return sg_host_get_nb_pstates(SIMIX_host_self());
45 * \brief Sets the pstate at which the processor should run
47 * \param pstate_index pstate to switch to
49 void smpi_set_host_pstate(int pstate_index)
51 sg_host_set_pstate(SIMIX_host_self(), pstate_index);
53 /** @brief Gets the pstate at which the processor currently running */
54 int smpi_get_host_pstate() {
55 return sg_host_get_pstate(SIMIX_host_self());
59 * \brief Return the total energy consumed by a host (in Joules)
61 * \return Returns the consumed energy
63 double smpi_get_host_consumed_energy(void) {
64 return sg_host_get_consumed_energy(SIMIX_host_self());
69 #if defined(__alpha__) || defined(__sparc64__) || defined(__x86_64__) || defined(__ia64__)
71 typedef unsigned int uinteger;
73 typedef long int integer;
74 typedef unsigned long int uinteger;
76 typedef char *address;
77 typedef short int shortint;
79 typedef double doublereal;
80 typedef struct { real r, i; } complex;
81 typedef struct { doublereal r, i; } doublecomplex;
83 extern "C" XBT_PUBLIC(doublereal) smpi_get_host_power_peak_at_(integer *pstate_index);
84 doublereal smpi_get_host_power_peak_at_(integer *pstate_index)
86 return (doublereal)smpi_get_host_power_peak_at((int)*pstate_index);
89 extern "C" XBT_PUBLIC(doublereal) smpi_get_host_current_power_peak_(void);
90 doublereal smpi_get_host_current_power_peak_(void)
92 return smpi_get_host_current_power_peak();
95 extern "C" XBT_PUBLIC(integer) smpi_get_host_nb_pstates_(void);
96 integer smpi_get_host_nb_pstates_(void)
98 return (integer)smpi_get_host_nb_pstates();
101 extern "C" XBT_PUBLIC(void) smpi_set_host_pstate_(integer *pstate_index);
102 void smpi_set_host_pstate_(integer *pstate_index)
104 smpi_set_host_pstate((int)*pstate_index);
107 extern "C" XBT_PUBLIC(doublereal) smpi_get_host_consumed_energy_(void);
108 doublereal smpi_get_host_consumed_energy_(void)
110 return (doublereal)smpi_get_host_consumed_energy();