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/instr_private.h"
11 XBT_LOG_NEW_DEFAULT_SUBCATEGORY (instr_resource, instr, "tracing (un)-categorized resource utilization");
13 //to check if variables were previously set to 0, otherwise paje won't simulate them
14 static xbt_dict_t platform_variables; /* host or link name -> array of categories */
17 static xbt_dict_t method_b_dict;
20 static xbt_dict_t method_c_dict;
22 //resource utilization tracing method
23 static void (*TRACE_method_alloc) (void) = NULL;
24 static void (*TRACE_method_release) (void) = NULL;
25 static void (*TRACE_method_start) (smx_action_t action) = NULL;
26 static void (*TRACE_method_event) (smx_action_t action, double now,
27 double delta, const char *variable,
28 const char *resource, double value) =
30 static void (*TRACE_method_end) (smx_action_t action) = NULL;
33 static void __TRACE_surf_check_variable_set_to_zero(double now,
37 /* check if we have to set it to 0 */
38 if (!xbt_dict_get_or_null(platform_variables, resource)) {
39 xbt_dynar_t array = xbt_dynar_new(sizeof(char *), xbt_free);
40 char *var_cpy = xbt_strdup(variable);
41 xbt_dynar_push(array, &var_cpy);
42 if (TRACE_platform_is_enabled())
43 pajeSetVariable(now, variable, resource, "0");
44 xbt_dict_set(platform_variables, resource, array,
45 xbt_dynar_free_voidp);
47 xbt_dynar_t array = xbt_dict_get(platform_variables, resource);
51 xbt_dynar_foreach(array, i, cat) {
52 if (strcmp(variable, cat) == 0) {
57 char *var_cpy = xbt_strdup(variable);
58 xbt_dynar_push(array, &var_cpy);
59 if (TRACE_platform_is_enabled())
60 pajeSetVariable(now, variable, resource, "0");
68 static void __TRACE_A_alloc(void)
72 static void __TRACE_A_release(void)
76 static void __TRACE_A_start(smx_action_t action)
80 static void __TRACE_A_event(smx_action_t action, double now, double delta,
81 const char *variable, const char *resource,
85 snprintf(valuestr, 100, "%f", value);
87 __TRACE_surf_check_variable_set_to_zero(now, variable, resource);
88 pajeAddVariable(now, variable, resource, valuestr);
89 pajeSubVariable(now + delta, variable, resource, valuestr);
92 static void __TRACE_A_end(smx_action_t action)
99 static void __TRACE_B_alloc(void)
101 method_b_dict = xbt_dict_new();
104 static void __TRACE_B_release(void)
107 xbt_dict_cursor_t cursor = NULL;
108 xbt_dict_foreach(method_b_dict, cursor, key, time) {
109 char resource[INSTR_DEFAULT_STR_SIZE];
110 char variable[INSTR_DEFAULT_STR_SIZE];
111 char what[INSTR_DEFAULT_STR_SIZE];
112 sscanf (key, "%s %s %s", resource, variable, what);
113 if (strcmp(what, "time")==0){
114 char key_value[INSTR_DEFAULT_STR_SIZE];
115 snprintf (key_value, INSTR_DEFAULT_STR_SIZE, "%s %s value", resource, variable);
116 char *value = xbt_dict_get_or_null (method_b_dict, key_value);
117 pajeSubVariable(atof(time), variable, resource, value);
120 xbt_dict_free(&method_b_dict);
123 static void __TRACE_B_start(smx_action_t action)
127 static void __TRACE_B_event(smx_action_t action, double now, double delta,
128 const char *variable, const char *resource,
131 char key_time[INSTR_DEFAULT_STR_SIZE];
132 char key_value[INSTR_DEFAULT_STR_SIZE];
133 char nowstr[INSTR_DEFAULT_STR_SIZE];
134 char valuestr[INSTR_DEFAULT_STR_SIZE];
135 char nowdeltastr[INSTR_DEFAULT_STR_SIZE];
137 snprintf (key_time, INSTR_DEFAULT_STR_SIZE, "%s %s time", resource, variable);
138 snprintf (key_value, INSTR_DEFAULT_STR_SIZE, "%s %s value", resource, variable);
139 snprintf (nowstr, INSTR_DEFAULT_STR_SIZE, "%f", now);
140 snprintf (valuestr, INSTR_DEFAULT_STR_SIZE, "%f", value);
141 snprintf (nowdeltastr, INSTR_DEFAULT_STR_SIZE, "%f", now+delta);
143 char *lasttimestr = xbt_dict_get_or_null(method_b_dict, key_time);
144 char *lastvaluestr = xbt_dict_get_or_null(method_b_dict, key_value);
145 if (lasttimestr == NULL){
146 __TRACE_surf_check_variable_set_to_zero(now, variable, resource);
147 pajeAddVariable(now, variable, resource, valuestr);
148 xbt_dict_set(method_b_dict, key_time, xbt_strdup(nowdeltastr), xbt_free);
149 xbt_dict_set(method_b_dict, key_value, xbt_strdup(valuestr), xbt_free);
151 double lasttime = atof (lasttimestr);
152 double lastvalue = atof (lastvaluestr);
154 if (lastvalue == value){
155 double dif = fabs(now - lasttime);
157 //perfect, just go on
159 //time changed, have to update
160 pajeSubVariable(lasttime, variable, resource, lastvaluestr);
161 pajeAddVariable(now, variable, resource, valuestr);
164 //value changed, have to update
165 pajeSubVariable(lasttime, variable, resource, lastvaluestr);
166 pajeAddVariable(now, variable, resource, valuestr);
168 xbt_dict_set(method_b_dict, key_time, xbt_strdup(nowdeltastr), xbt_free);
169 xbt_dict_set(method_b_dict, key_value, xbt_strdup(valuestr), xbt_free);
174 static void __TRACE_B_end(smx_action_t action)
180 static void __TRACE_C_alloc(void)
182 method_c_dict = xbt_dict_new();
185 static void __TRACE_C_release(void)
187 xbt_dict_free(&method_c_dict);
190 static void __TRACE_C_start(smx_action_t action)
193 snprintf(key, 100, "%p", action);
196 if (xbt_dict_get_or_null(method_c_dict, key)) {
197 xbt_dict_remove(method_c_dict, key); //should never execute here, but it does
199 xbt_dict_set(method_c_dict, key, xbt_dict_new(), xbt_free);
202 static void __TRACE_C_event(smx_action_t action, double now, double delta,
203 const char *variable, const char *resource,
207 snprintf(key, 100, "%p", action);
209 xbt_dict_t action_dict = xbt_dict_get(method_c_dict, key);
211 if (!xbt_dict_get_or_null(action_dict, "start")) {
212 char start_time[100];
213 snprintf(start_time, 100, "%f", now);
214 xbt_dict_set(action_dict, "start", xbt_strdup(start_time), xbt_free);
218 snprintf(end_time, 100, "%f", now + delta);
219 xbt_dict_set(action_dict, "end", xbt_strdup(end_time), xbt_free);
221 //accumulate the value resource-variable
223 snprintf(res_var, 300, "%s %s", resource, variable);
224 double current_value_f;
225 char *current_value = xbt_dict_get_or_null(action_dict, res_var);
227 current_value_f = atof(current_value);
228 current_value_f += value * delta;
230 current_value_f = value * delta;
232 char new_current_value[100];
233 snprintf(new_current_value, 100, "%f", current_value_f);
234 xbt_dict_set(action_dict, res_var, xbt_strdup(new_current_value),
238 static void __TRACE_C_end(smx_action_t action)
241 snprintf(key, 100, "%p", action);
243 xbt_dict_t action_dict = xbt_dict_get(method_c_dict, key);
244 double start_time = atof(xbt_dict_get(action_dict, "start"));
245 double end_time = atof(xbt_dict_get(action_dict, "end"));
247 xbt_dict_cursor_t cursor = NULL;
248 char *action_dict_key, *action_dict_value;
249 xbt_dict_foreach(action_dict, cursor, action_dict_key, action_dict_value) {
250 char resource[100], variable[100];
251 if (sscanf(action_dict_key, "%s %s", resource, variable) != 2)
253 __TRACE_surf_check_variable_set_to_zero(start_time, variable,
256 if (end_time - start_time != 0) {
257 snprintf(value_str, 100, "%f",
258 atof(action_dict_value) / (end_time - start_time));
259 pajeAddVariable(start_time, variable, resource, value_str);
260 pajeSubVariable(end_time, variable, resource, value_str);
263 xbt_dict_remove(method_c_dict, key);
266 #define RESOURCE_UTILIZATION_INTERFACE
268 * TRACE_surf_link_set_utilization: entry point from SimGrid
270 void TRACE_surf_link_set_utilization(void *link, smx_action_t smx_action,
271 surf_action_t surf_action,
272 double value, double now,
275 if (!TRACE_is_active())
279 //only trace link utilization if link is known by tracing mechanism
280 if (!TRACE_surf_link_is_traced(link))
286 snprintf(resource, 100, "%p", link);
288 //trace uncategorized link utilization
289 if (TRACE_uncategorized()){
290 DEBUG4("UNCAT LINK [%f - %f] %s bandwidth_used %f", now, now+delta, resource, value);
291 TRACE_surf_resource_utilization_event(smx_action, now, delta,
292 "bandwidth_used", resource, value);
295 //trace categorized utilization
296 if (!surf_action->category)
299 snprintf(type, 100, "b%s", surf_action->category);
300 DEBUG5("CAT LINK [%f - %f] %s %s %f", now, now+delta, resource, type, value);
301 TRACE_surf_resource_utilization_event(smx_action, now, delta, type,
307 * TRACE_surf_host_set_utilization: entry point from SimGrid
309 void TRACE_surf_host_set_utilization(const char *name,
310 smx_action_t smx_action,
311 surf_action_t surf_action,
312 double value, double now,
315 if (!TRACE_is_active())
320 //trace uncategorized host utilization
321 if (TRACE_uncategorized()){
322 DEBUG4("UNCAT HOST [%f - %f] %s power_used %f", now, now+delta, name, value);
323 TRACE_surf_resource_utilization_event(smx_action, now, delta,
324 "power_used", name, value);
327 //trace categorized utilization
328 if (!surf_action->category)
331 snprintf(type, 100, "p%s", surf_action->category);
332 DEBUG5("CAT HOST [%f - %f] %s %s %f", now, now+delta, name, type, value);
333 TRACE_surf_resource_utilization_event(smx_action, now, delta, type, name,
339 * __TRACE_surf_resource_utilization_*: entry points from tracing functions
341 void TRACE_surf_resource_utilization_start(smx_action_t action)
343 if (!TRACE_is_active())
345 DEBUG1("START %p", action);
346 TRACE_method_start(action);
349 void TRACE_surf_resource_utilization_event(smx_action_t action, double now,
351 const char *variable,
352 const char *resource,
355 if (!TRACE_is_active())
357 DEBUG6("EVENT %p [%f - %f] %s %s %f", action, now, now+delta, resource, variable, value);
358 TRACE_method_event(action, now, delta, variable, resource, value);
361 void TRACE_surf_resource_utilization_end(smx_action_t action)
363 if (!TRACE_is_active())
365 TRACE_method_end(action);
366 DEBUG1("END %p", action);
369 void TRACE_surf_resource_utilization_release()
371 if (!TRACE_is_active())
373 TRACE_method_release();
376 static void __TRACE_define_method(char *method)
378 if (!strcmp(method, "a")) {
379 TRACE_method_alloc = __TRACE_A_alloc;
380 TRACE_method_release = __TRACE_A_release;
381 TRACE_method_start = __TRACE_A_start;
382 TRACE_method_event = __TRACE_A_event;
383 TRACE_method_end = __TRACE_A_end;
384 } else if (!strcmp(method, "c")) {
385 TRACE_method_alloc = __TRACE_C_alloc;
386 TRACE_method_release = __TRACE_C_release;
387 TRACE_method_start = __TRACE_C_start;
388 TRACE_method_event = __TRACE_C_event;
389 TRACE_method_end = __TRACE_C_end;
390 } else { //default is B
391 TRACE_method_alloc = __TRACE_B_alloc;
392 TRACE_method_release = __TRACE_B_release;
393 TRACE_method_start = __TRACE_B_start;
394 TRACE_method_event = __TRACE_B_event;
395 TRACE_method_end = __TRACE_B_end;
399 void TRACE_surf_resource_utilization_alloc()
401 platform_variables = xbt_dict_new();
402 __TRACE_define_method(TRACE_get_platform_method());
403 TRACE_method_alloc();
405 #endif /* HAVE_TRACING */