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"
11 //to check if variables were previously set to 0, otherwise paje won't simulate them
12 static xbt_dict_t platform_variables; /* host or link name -> array of categories */
15 static xbt_dict_t method_b_dict;
18 static xbt_dict_t method_c_dict;
20 //resource utilization tracing method
21 static void (*TRACE_method_alloc) (void) = NULL;
22 static void (*TRACE_method_release) (void) = NULL;
23 static void (*TRACE_method_start) (smx_action_t action) = NULL;
24 static void (*TRACE_method_event) (smx_action_t action, double now,
25 double delta, const char *variable,
26 const char *resource, double value) =
28 static void (*TRACE_method_end) (smx_action_t action) = NULL;
31 static void __TRACE_surf_check_variable_set_to_zero(double now,
35 /* check if we have to set it to 0 */
36 if (!xbt_dict_get_or_null(platform_variables, resource)) {
37 xbt_dynar_t array = xbt_dynar_new(sizeof(char *), xbt_free);
38 char *var_cpy = xbt_strdup(variable);
39 xbt_dynar_push(array, &var_cpy);
40 if (IS_TRACING_PLATFORM)
41 pajeSetVariable(now, variable, resource, "0");
42 xbt_dict_set(platform_variables, resource, array,
43 xbt_dynar_free_voidp);
45 xbt_dynar_t array = xbt_dict_get(platform_variables, resource);
49 xbt_dynar_foreach(array, i, cat) {
50 if (strcmp(variable, cat) == 0) {
55 char *var_cpy = xbt_strdup(variable);
56 xbt_dynar_push(array, &var_cpy);
57 if (IS_TRACING_PLATFORM)
58 pajeSetVariable(now, variable, resource, "0");
66 static void __TRACE_A_alloc(void)
70 static void __TRACE_A_release(void)
74 static void __TRACE_A_start(smx_action_t action)
78 static void __TRACE_A_event(smx_action_t action, double now, double delta,
79 const char *variable, const char *resource,
82 if (!IS_TRACING_PLATFORM)
86 snprintf(valuestr, 100, "%f", value);
88 __TRACE_surf_check_variable_set_to_zero(now, variable, resource);
89 pajeAddVariable(now, variable, resource, valuestr);
90 pajeSubVariable(now + delta, variable, resource, valuestr);
93 static void __TRACE_A_end(smx_action_t action)
100 static void __TRACE_B_alloc(void)
102 method_b_dict = xbt_dict_new();
105 static void __TRACE_B_release(void)
107 if (!IS_TRACING_PLATFORM)
111 xbt_dict_cursor_t cursor = NULL;
112 xbt_dict_foreach(method_b_dict, cursor, key, time) {
113 char resource[INSTR_DEFAULT_STR_SIZE];
114 char variable[INSTR_DEFAULT_STR_SIZE];
115 char what[INSTR_DEFAULT_STR_SIZE];
116 sscanf (key, "%s %s %s", resource, variable, what);
117 if (strcmp(what, "time")==0){
118 char key_value[INSTR_DEFAULT_STR_SIZE];
119 snprintf (key_value, INSTR_DEFAULT_STR_SIZE, "%s %s value", resource, variable);
120 char *value = xbt_dict_get_or_null (method_b_dict, key_value);
121 pajeSubVariable(atof(time), variable, resource, value);
124 xbt_dict_free(&method_b_dict);
127 static void __TRACE_B_start(smx_action_t action)
131 static void __TRACE_B_event(smx_action_t action, double now, double delta,
132 const char *variable, const char *resource,
135 if (!IS_TRACING_PLATFORM)
138 char key_time[INSTR_DEFAULT_STR_SIZE];
139 char key_value[INSTR_DEFAULT_STR_SIZE];
140 char nowstr[INSTR_DEFAULT_STR_SIZE];
141 char valuestr[INSTR_DEFAULT_STR_SIZE];
142 char nowdeltastr[INSTR_DEFAULT_STR_SIZE];
144 snprintf (key_time, INSTR_DEFAULT_STR_SIZE, "%s %s time", resource, variable);
145 snprintf (key_value, INSTR_DEFAULT_STR_SIZE, "%s %s value", resource, variable);
146 snprintf (nowstr, INSTR_DEFAULT_STR_SIZE, "%f", now);
147 snprintf (valuestr, INSTR_DEFAULT_STR_SIZE, "%f", value);
148 snprintf (nowdeltastr, INSTR_DEFAULT_STR_SIZE, "%f", now+delta);
150 char *lasttimestr = xbt_dict_get_or_null(method_b_dict, key_time);
151 char *lastvaluestr = xbt_dict_get_or_null(method_b_dict, key_value);
152 if (lasttimestr == NULL){
153 __TRACE_surf_check_variable_set_to_zero(now, variable, resource);
154 pajeAddVariable(now, variable, resource, valuestr);
155 xbt_dict_set(method_b_dict, key_time, xbt_strdup(nowdeltastr), xbt_free);
156 xbt_dict_set(method_b_dict, key_value, xbt_strdup(valuestr), xbt_free);
158 double lasttime = atof (lasttimestr);
159 double lastvalue = atof (lastvaluestr);
161 if (lastvalue == value){
162 double dif = fabs(now - lasttime);
164 //perfect, just go on
166 //time changed, have to update
167 pajeSubVariable(lasttime, variable, resource, lastvaluestr);
168 pajeAddVariable(now, variable, resource, valuestr);
171 //value changed, have to update
172 pajeSubVariable(lasttime, variable, resource, lastvaluestr);
173 pajeAddVariable(now, variable, resource, valuestr);
175 xbt_dict_set(method_b_dict, key_time, xbt_strdup(nowdeltastr), xbt_free);
176 xbt_dict_set(method_b_dict, key_value, xbt_strdup(valuestr), xbt_free);
181 static void __TRACE_B_end(smx_action_t action)
187 static void __TRACE_C_alloc(void)
189 method_c_dict = xbt_dict_new();
192 static void __TRACE_C_release(void)
194 xbt_dict_free(&method_c_dict);
197 static void __TRACE_C_start(smx_action_t action)
200 snprintf(key, 100, "%p", action);
203 if (xbt_dict_get_or_null(method_c_dict, key)) {
204 xbt_dict_remove(method_c_dict, key); //should never execute here, but it does
206 xbt_dict_set(method_c_dict, key, xbt_dict_new(), xbt_free);
209 static void __TRACE_C_event(smx_action_t action, double now, double delta,
210 const char *variable, const char *resource,
214 snprintf(key, 100, "%p", action);
216 xbt_dict_t action_dict = xbt_dict_get(method_c_dict, key);
218 if (!xbt_dict_get_or_null(action_dict, "start")) {
219 char start_time[100];
220 snprintf(start_time, 100, "%f", now);
221 xbt_dict_set(action_dict, "start", xbt_strdup(start_time), xbt_free);
225 snprintf(end_time, 100, "%f", now + delta);
226 xbt_dict_set(action_dict, "end", xbt_strdup(end_time), xbt_free);
228 //accumulate the value resource-variable
230 snprintf(res_var, 300, "%s %s", resource, variable);
231 double current_value_f;
232 char *current_value = xbt_dict_get_or_null(action_dict, res_var);
234 current_value_f = atof(current_value);
235 current_value_f += value * delta;
237 current_value_f = value * delta;
239 char new_current_value[100];
240 snprintf(new_current_value, 100, "%f", current_value_f);
241 xbt_dict_set(action_dict, res_var, xbt_strdup(new_current_value),
245 static void __TRACE_C_end(smx_action_t action)
248 snprintf(key, 100, "%p", action);
250 xbt_dict_t action_dict = xbt_dict_get(method_c_dict, key);
251 double start_time = atof(xbt_dict_get(action_dict, "start"));
252 double end_time = atof(xbt_dict_get(action_dict, "end"));
254 xbt_dict_cursor_t cursor = NULL;
255 char *action_dict_key, *action_dict_value;
256 xbt_dict_foreach(action_dict, cursor, action_dict_key, action_dict_value) {
257 char resource[100], variable[100];
258 if (sscanf(action_dict_key, "%s %s", resource, variable) != 2)
260 __TRACE_surf_check_variable_set_to_zero(start_time, variable,
263 if (end_time - start_time != 0) {
264 snprintf(value_str, 100, "%f",
265 atof(action_dict_value) / (end_time - start_time));
266 pajeAddVariable(start_time, variable, resource, value_str);
267 pajeSubVariable(end_time, variable, resource, value_str);
270 xbt_dict_remove(method_c_dict, key);
273 #define RESOURCE_UTILIZATION_INTERFACE
275 * TRACE_surf_link_set_utilization: entry point from SimGrid
277 void TRACE_surf_link_set_utilization(void *link, smx_action_t smx_action,
278 surf_action_t surf_action,
279 double value, double now,
286 //only trace link utilization if link is known by tracing mechanism
287 if (!TRACE_surf_link_is_traced(link))
293 snprintf(resource, 100, "%p", link);
295 //trace uncategorized link utilization
296 if (TRACE_uncategorized()){
297 TRACE_surf_resource_utilization_event(smx_action, now, delta,
298 "bandwidth_used", resource, value);
301 //trace categorized utilization
302 if (!IS_TRACED(surf_action))
305 snprintf(type, 100, "b%s", surf_action->category);
306 TRACE_surf_resource_utilization_event(smx_action, now, delta, type,
312 * TRACE_surf_host_set_utilization: entry point from SimGrid
314 void TRACE_surf_host_set_utilization(const char *name,
315 smx_action_t smx_action,
316 surf_action_t surf_action,
317 double value, double now,
325 //trace uncategorized host utilization
326 if (TRACE_uncategorized()){
327 TRACE_surf_resource_utilization_event(smx_action, now, delta,
328 "power_used", name, value);
331 //trace categorized utilization
332 if (!IS_TRACED(surf_action))
335 snprintf(type, 100, "p%s", surf_action->category);
336 TRACE_surf_resource_utilization_event(smx_action, now, delta, type, name,
342 * __TRACE_surf_resource_utilization_*: entry points from tracing functions
344 void TRACE_surf_resource_utilization_start(smx_action_t action)
348 TRACE_method_start(action);
351 void TRACE_surf_resource_utilization_event(smx_action_t action, double now,
353 const char *variable,
354 const char *resource,
359 TRACE_method_event(action, now, delta, variable, resource, value);
362 void TRACE_surf_resource_utilization_end(smx_action_t action)
366 TRACE_method_end(action);
369 void TRACE_surf_resource_utilization_release()
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();