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 if (!strcmp (name, "loopback") || !strcmp (name, "__loopback__")) return;
75 snprintf (alias, 100, "%p", link);
76 pajeCreateContainer (SIMIX_get_clock(), alias, "LINK", "platform", name);
77 xbt_dict_set (created_links, alias, xbt_strdup ("1"), xbt_free);
78 TRACE_surf_link_set_bandwidth (SIMIX_get_clock(), link, bw);
79 TRACE_surf_link_set_latency (SIMIX_get_clock(), link, lat);
83 * TRACE_surf_host_declaration (name, power): this function
84 * saves the power of a host identified by name. This information
85 * is used to create the host container in the trace.
87 * caller: cpu_new (from each cpu model) + router parser
88 * main: create HOST containers, set initial power value
91 void TRACE_surf_host_declaration (char *name, double power)
93 if (!IS_TRACING) return;
94 pajeCreateContainer (SIMIX_get_clock(), name, "HOST", "platform", name);
95 xbt_dict_set (host_containers, name, xbt_strdup("1"), xbt_free);
96 TRACE_surf_host_set_power (SIMIX_get_clock(), name, power);
99 void TRACE_surf_host_set_power (double date, char *resource, double power)
101 __TRACE_surf_set_resource_variable (date, "power", resource, power);
104 void TRACE_surf_link_set_bandwidth (double date, void *link, double bandwidth)
106 if (!TRACE_surf_link_is_traced (link)) return;
109 snprintf (resource, 100, "%p", link);
110 __TRACE_surf_set_resource_variable (date, "bandwidth", resource, bandwidth);
113 void TRACE_surf_link_set_latency (double date, void *link, double latency)
115 if (!TRACE_surf_link_is_traced (link)) return;
118 snprintf (resource, 100, "%p", link);
119 __TRACE_surf_set_resource_variable (date, "latency", resource, latency);
122 /* to trace gtnets */
123 void TRACE_surf_gtnets_communicate (void *action, int src, int dst)
125 char key[100], aux[100];
126 if (!IS_TRACING) return;
127 snprintf (key, 100, "%p", action);
129 snprintf (aux, 100, "%d", src);
130 xbt_dict_set (gtnets_src, key, xbt_strdup(aux), xbt_free);
131 snprintf (aux, 100, "%d", dst);
132 xbt_dict_set (gtnets_dst, key, xbt_strdup(aux), xbt_free);
135 int TRACE_surf_gtnets_get_src (void *action)
139 if (!IS_TRACING) return -1;
140 snprintf (key, 100, "%p", action);
142 aux = xbt_dict_get_or_null (gtnets_src, key);
150 int TRACE_surf_gtnets_get_dst (void *action)
154 if (!IS_TRACING) return -1;
155 snprintf (key, 100, "%p", action);
157 aux = xbt_dict_get_or_null (gtnets_dst, key);
165 void TRACE_surf_gtnets_destroy (void *action)
168 if (!IS_TRACING) return;
169 snprintf (key, 100, "%p", action);
170 xbt_dict_remove (gtnets_src, key);
171 xbt_dict_remove (gtnets_dst, key);
174 void TRACE_surf_link_missing (void)
176 CRITICAL0("The trace cannot be done because "
177 "the platform you are using contains "
178 "routes with more than one link.");
179 THROW0(tracing_error, TRACE_ERROR_COMPLEX_ROUTES, "Tracing failed");
182 void TRACE_msg_clean (void)
185 xbt_dict_cursor_t cursor = NULL;
186 TRACE_surf_finalize();
188 /* get all host from host_containers */
189 xbt_dict_foreach(host_containers, cursor, key, value) {
190 pajeDestroyContainer (MSG_get_clock(), "HOST", key);
192 xbt_dict_foreach(created_links, cursor, key, value) {
193 pajeDestroyContainer (MSG_get_clock(), "LINK", key);
197 void TRACE_surf_host_vivaldi_parse (char *host, double x, double y, double h)
200 if (!IS_TRACING || !IS_TRACING_PLATFORM) return;
202 snprintf (valuestr, 100, "%g", x);
203 pajeSetVariable (0, "vivaldi_x", host, valuestr);
204 snprintf (valuestr, 100, "%g", y);
205 pajeSetVariable (0, "vivaldi_y", host, valuestr);
206 snprintf (valuestr, 100, "%g", h);
207 pajeSetVariable (0, "vivaldi_h", host, valuestr);
210 extern routing_global_t global_routing;
211 void TRACE_surf_save_onelink (void)
213 if (!IS_TRACING) return;
215 //get the onelinks from the parsed platform
216 xbt_dynar_t onelink_routes = global_routing->get_onelink_routes();
217 if (!onelink_routes) return;
219 //save them in trace file
222 xbt_dynar_foreach(onelink_routes, iter, onelink) {
223 char *src = onelink->src;
224 char *dst = onelink->dst;
225 void *link = onelink->link_ptr;
227 if (TRACE_surf_link_is_traced (link)){
229 snprintf (resource, 100, "%p", link);
231 pajeNewEvent (0.1, "source", resource, src);
232 pajeNewEvent (0.1, "destination", resource, dst);
237 int TRACE_surf_link_is_traced (void *link)
240 snprintf (alias, 100, "%p", link);
241 if (xbt_dict_get_or_null (created_links, alias)){