1 /* Copyright (c) 2010-2015. 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 "src/instr/instr_private.h"
9 XBT_LOG_NEW_DEFAULT_SUBCATEGORY (instr_resource, instr, "tracing (un)-categorized resource utilization");
11 //to check if variables were previously set to 0, otherwise paje won't simulate them
12 static xbt_dict_t platform_variables;
15 static void __TRACE_surf_check_variable_set_to_zero(double now,
20 * To trace resource utilization, we use pajeAddVariable and pajeSubVariable only.
21 * The Paje simulator needs a pajeSetVariable in the first place so it knows
22 * the initial value of all variables for subsequent adds/subs. If we don't do
23 * so, the first pajeAddVariable is added to a non-determined value within
24 * the Paje simulator, causing analysis problems.
27 // create a key considering the resource and variable
28 int n = strlen(variable)+strlen(resource)+1;
29 char *key = (char*)xbt_malloc(n*sizeof(char));
30 snprintf (key, n, "%s%s", resource, variable);
32 // check if key exists: if it doesn't, set the variable to zero and mark this in the dict
33 if (!xbt_dict_get_or_null(platform_variables, key)) {
34 container_t container = PJ_container_get (resource);
35 type_t type = PJ_type_get (variable, container->type);
36 new_pajeSetVariable (now, container, type, 0);
37 xbt_dict_set(platform_variables, key, (char*)"", NULL);
42 static void instr_event (double now, double delta, type_t variable, container_t resource, double value)
44 __TRACE_surf_check_variable_set_to_zero(now, variable->name, resource->name);
45 new_pajeAddVariable(now, resource, variable, value);
46 new_pajeSubVariable(now + delta, resource, variable, value);
50 * TRACE_surf_link_set_utilization: entry point from SimGrid
52 void TRACE_surf_link_set_utilization(const char *resource,
58 //only trace link utilization if link is known by tracing mechanism
59 if (!PJ_container_get_or_null(resource))
64 //trace uncategorized link utilization
65 if (TRACE_uncategorized()){
66 XBT_DEBUG("UNCAT LINK [%f - %f] %s bandwidth_used %f", now, now+delta, resource, value);
67 container_t container = PJ_container_get (resource);
68 type_t type = PJ_type_get ("bandwidth_used", container->type);
69 instr_event (now, delta, type, container, value);
72 //trace categorized utilization
73 if (TRACE_categorized()){
76 //variable of this category starts by 'b', because we have a link here
77 char category_type[INSTR_DEFAULT_STR_SIZE];
78 snprintf (category_type, INSTR_DEFAULT_STR_SIZE, "b%s", category);
79 XBT_DEBUG("CAT LINK [%f - %f] %s %s %f", now, now+delta, resource, category_type, value);
80 container_t container = PJ_container_get (resource);
81 type_t type = PJ_type_get (category_type, container->type);
82 instr_event (now, delta, type, container, value);
88 * TRACE_surf_host_set_utilization: entry point from SimGrid
90 void TRACE_surf_host_set_utilization(const char *resource,
96 //only trace host utilization if host is known by tracing mechanism
97 container_t container = PJ_container_get_or_null(resource);
103 //trace uncategorized host utilization
104 if (TRACE_uncategorized()){
105 XBT_DEBUG("UNCAT HOST [%f - %f] %s power_used %f", now, now+delta, resource, value);
106 type_t type = PJ_type_get ("power_used", container->type);
107 instr_event (now, delta, type, container, value);
110 //trace categorized utilization
111 if (TRACE_categorized()){
114 //variable of this category starts by 'p', because we have a host here
115 char category_type[INSTR_DEFAULT_STR_SIZE];
116 snprintf (category_type, INSTR_DEFAULT_STR_SIZE, "p%s", category);
117 XBT_DEBUG("CAT HOST [%f - %f] %s %s %f", now, now+delta, resource, category_type, value);
118 type_t type = PJ_type_get (category_type, container->type);
119 instr_event (now, delta, type, container, value);
124 void TRACE_surf_resource_utilization_alloc()
126 platform_variables = xbt_dict_new_homogeneous(NULL);
129 void TRACE_surf_resource_utilization_release()
131 xbt_dict_free(&platform_variables);