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Merge branch 'master' of scm.gforge.inria.fr:/gitroot/simgrid/simgrid
[simgrid.git] / src / smpi / smpi_dvfs.c
1 /* Copyright (c) 2013-2015. The SimGrid Team.
2  * All rights reserved.                                                     */
3
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. */
6
7 #include "xbt/log.h"
8 #include "simgrid/simix.h"
9 #include "smpi/smpi.h"
10 #include "src/internal_config.h"
11
12 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(smpi_dvfs, smpi,
13                                 "Logging specific to SMPI (experimental DVFS support)");
14
15 /**
16  * \brief Return the speed of the processor (in flop/s) at a given pstate
17  *
18  * \param pstate_index pstate to test
19  * \return Returns the processor speed associated with pstate_index
20  */
21 double smpi_get_host_power_peak_at(int pstate_index)
22 {
23   return simcall_host_get_power_peak_at(SIMIX_host_self(), pstate_index);
24 }
25
26 /**
27  * \brief Return the current speed of the processor (in flop/s)
28  *
29  * \return Returns the current processor speed
30  */
31 double smpi_get_host_current_power_peak(void)
32 {
33   return simcall_host_get_current_power_peak(SIMIX_host_self());
34 }
35
36 /**
37  * \brief Return the number of pstates defined for host
38  */
39 int smpi_get_host_nb_pstates(void)
40 {
41   return simcall_host_get_nb_pstates(SIMIX_host_self());
42 }
43
44 /**
45  * \brief Sets the pstate at which the processor should run
46  *
47  * \param pstate_index pstate to switch to
48  */
49 void smpi_set_host_pstate(int pstate_index)
50 {
51   simcall_host_set_pstate(SIMIX_host_self(), pstate_index);
52 }
53 /**
54  * \brief Gets the pstate at which the processor currently running
55  *
56  * \param pstate_index pstate to switch to
57  */
58 int smpi_get_host_pstate() {
59   return sg_host_get_pstate(SIMIX_host_self());
60 }
61
62 /**
63  * \brief Return the total energy consumed by a host (in Joules)
64  *
65  * \return Returns the consumed energy
66  */
67 double smpi_get_host_consumed_energy(void) {
68   return sg_host_get_consumed_energy(SIMIX_host_self());
69 }
70
71
72 #ifdef SMPI_FORTRAN
73
74 #if defined(__alpha__) || defined(__sparc64__) || defined(__x86_64__) || defined(__ia64__)
75 typedef int integer;
76 typedef unsigned int uinteger;
77 #else
78 typedef long int integer;
79 typedef unsigned long int uinteger;
80 #endif
81 typedef char *address;
82 typedef short int shortint;
83 typedef float real;
84 typedef double doublereal;
85 typedef struct { real r, i; } complex;
86 typedef struct { doublereal r, i; } doublecomplex;
87
88 XBT_PUBLIC(doublereal) smpi_get_host_power_peak_at_(integer *pstate_index);
89 doublereal smpi_get_host_power_peak_at_(integer *pstate_index)
90 {
91   return (doublereal)smpi_get_host_power_peak_at((int)*pstate_index);
92 }
93
94 XBT_PUBLIC(doublereal) smpi_get_host_current_power_peak_(void);
95 doublereal smpi_get_host_current_power_peak_(void)
96 {
97   return smpi_get_host_current_power_peak();
98 }
99
100 XBT_PUBLIC(integer) smpi_get_host_nb_pstates_(void);
101 integer smpi_get_host_nb_pstates_(void)
102 {
103   return (integer)smpi_get_host_nb_pstates();
104 }
105
106 XBT_PUBLIC(void) smpi_set_host_pstate_(integer *pstate_index);
107 void smpi_set_host_pstate_(integer *pstate_index)
108 {
109   smpi_set_host_pstate((int)*pstate_index);
110 }
111
112 XBT_PUBLIC(doublereal) smpi_get_host_consumed_energy_(void);
113 doublereal smpi_get_host_consumed_energy_(void)
114 {
115   return (doublereal)smpi_get_host_consumed_energy();
116 }
117
118 #endif