1 /* Copyright (c) 2010. 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 "instr/private.h"
8 #include "surf/surf_private.h"
12 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(tracing_surf,tracing,"Tracing Surf");
14 #define VARIABLE_SEPARATOR '#'
16 static xbt_dict_t created_links;
17 static xbt_dict_t host_containers;
18 static xbt_dict_t resource_variables; /* (host|link)#variable -> value */
21 static xbt_dict_t gtnets_src; /* %p (action) -> %s */
22 static xbt_dict_t gtnets_dst; /* %p (action) -> %s */
24 void TRACE_surf_init (void)
26 created_links = xbt_dict_new();
27 host_containers = xbt_dict_new();
28 resource_variables = xbt_dict_new ();
29 gtnets_src = xbt_dict_new ();
30 gtnets_dst = xbt_dict_new ();
32 __TRACE_surf_resource_utilization_initialize();
35 void TRACE_surf_finalize (void)
37 __TRACE_surf_resource_utilization_finalize();
40 static void __TRACE_surf_set_resource_variable (double date, const char *variable, const char *resource, double value)
42 char aux[100], key[100];
43 char *last_value = NULL;
44 if (!IS_TRACING) return;
45 snprintf (aux, 100, "%f", value);
46 snprintf (key, 100, "%s%c%s", resource, VARIABLE_SEPARATOR, variable);
48 last_value = xbt_dict_get_or_null(resource_variables, key);
50 if (atof(last_value) == value){
54 if (IS_TRACING_PLATFORM) pajeSetVariable (date, variable, resource, aux);
55 xbt_dict_set (resource_variables, xbt_strdup(key), xbt_strdup(aux), xbt_free);
59 * TRACE_surf_link_declaration (name, bandwidth, latency): this function
60 * saves the bandwidth and latency of a link identified by name. This
61 * information is used in the future to create the link container in the trace.
63 * caller: net_link_new (from each network model)
64 * main: create LINK container, set initial bandwidth and latency
67 void TRACE_surf_link_declaration (void *link, char *name, double bw, double lat)
69 if (!IS_TRACING) return;
72 snprintf (alias, 100, "%p", link);
73 pajeCreateContainer (SIMIX_get_clock(), alias, "LINK", "platform", name);
74 xbt_dict_set (created_links, alias, xbt_strdup ("1"), xbt_free);
75 TRACE_surf_link_set_bandwidth (SIMIX_get_clock(), link, bw);
76 TRACE_surf_link_set_latency (SIMIX_get_clock(), link, lat);
80 * TRACE_surf_host_declaration (name, power): this function
81 * saves the power of a host identified by name. This information
82 * is used to create the host container in the trace.
84 * caller: cpu_new (from each cpu model) + router parser
85 * main: create HOST containers, set initial power value
88 void TRACE_surf_host_declaration (char *name, double power)
90 if (!IS_TRACING) return;
91 pajeCreateContainer (SIMIX_get_clock(), name, "HOST", "platform", name);
92 xbt_dict_set (host_containers, name, xbt_strdup("1"), xbt_free);
93 TRACE_surf_host_set_power (SIMIX_get_clock(), name, power);
96 void TRACE_surf_host_set_power (double date, char *resource, double power)
98 __TRACE_surf_set_resource_variable (date, "power", resource, power);
101 void TRACE_surf_link_set_bandwidth (double date, void *link, double bandwidth)
103 if (!TRACE_surf_link_is_traced (link)) return;
106 snprintf (resource, 100, "%p", link);
107 __TRACE_surf_set_resource_variable (date, "bandwidth", resource, bandwidth);
110 void TRACE_surf_link_set_latency (double date, void *link, double latency)
112 if (!TRACE_surf_link_is_traced (link)) return;
115 snprintf (resource, 100, "%p", link);
116 __TRACE_surf_set_resource_variable (date, "latency", resource, latency);
119 /* to trace gtnets */
120 void TRACE_surf_gtnets_communicate (void *action, int src, int dst)
122 char key[100], aux[100];
123 if (!IS_TRACING) return;
124 snprintf (key, 100, "%p", action);
126 snprintf (aux, 100, "%d", src);
127 xbt_dict_set (gtnets_src, key, xbt_strdup(aux), xbt_free);
128 snprintf (aux, 100, "%d", dst);
129 xbt_dict_set (gtnets_dst, key, xbt_strdup(aux), xbt_free);
132 int TRACE_surf_gtnets_get_src (void *action)
136 if (!IS_TRACING) return -1;
137 snprintf (key, 100, "%p", action);
139 aux = xbt_dict_get_or_null (gtnets_src, key);
147 int TRACE_surf_gtnets_get_dst (void *action)
151 if (!IS_TRACING) return -1;
152 snprintf (key, 100, "%p", action);
154 aux = xbt_dict_get_or_null (gtnets_dst, key);
162 void TRACE_surf_gtnets_destroy (void *action)
165 if (!IS_TRACING) return;
166 snprintf (key, 100, "%p", action);
167 xbt_dict_remove (gtnets_src, key);
168 xbt_dict_remove (gtnets_dst, key);
171 void TRACE_surf_link_missing (void)
173 CRITICAL0("The trace cannot be done because "
174 "the platform you are using contains "
175 "routes with more than one link.");
176 THROW0(tracing_error, TRACE_ERROR_COMPLEX_ROUTES, "Tracing failed");
179 void TRACE_msg_clean (void)
182 xbt_dict_cursor_t cursor = NULL;
183 TRACE_surf_finalize();
185 /* get all host from host_containers */
186 xbt_dict_foreach(host_containers, cursor, key, value) {
187 pajeDestroyContainer (MSG_get_clock(), "HOST", key);
189 xbt_dict_foreach(created_links, cursor, key, value) {
190 pajeDestroyContainer (MSG_get_clock(), "LINK", key);
194 void TRACE_surf_host_vivaldi_parse (char *host, double x, double y, double h)
197 if (!IS_TRACING || !IS_TRACING_PLATFORM) return;
199 snprintf (valuestr, 100, "%g", x);
200 pajeSetVariable (0, "vivaldi_x", host, valuestr);
201 snprintf (valuestr, 100, "%g", y);
202 pajeSetVariable (0, "vivaldi_y", host, valuestr);
203 snprintf (valuestr, 100, "%g", h);
204 pajeSetVariable (0, "vivaldi_h", host, valuestr);
207 extern routing_global_t global_routing;
208 void TRACE_surf_save_onelink (void)
210 if (!IS_TRACING) return;
212 //get the onelinks from the parsed platform
213 xbt_dynar_t onelink_routes = global_routing->get_onelink_routes();
214 if (!onelink_routes) return;
216 //save them in trace file
219 xbt_dynar_foreach(onelink_routes, iter, onelink) {
220 char *src = onelink->src;
221 char *dst = onelink->dst;
222 void *link = onelink->link_ptr;
224 if (TRACE_surf_link_is_traced (link)){
226 snprintf (resource, 100, "%p", link);
228 pajeNewEvent (0.1, "source", resource, src);
229 pajeNewEvent (0.1, "destination", resource, dst);
234 int TRACE_surf_link_is_traced (void *link)
237 snprintf (alias, 100, "%p", link);
238 if (xbt_dict_get_or_null (created_links, alias)){