-/*
- * surf.c
- *
- * Created on: Nov 27, 2009
- * Author: Lucas Schnorr
- * License: This program is free software; you can redistribute
- * it and/or modify it under the terms of the license
- * (GNU LGPL) which comes with this package.
- *
- * Copyright (c) 2009 The SimGrid team.
- */
+/* Copyright (c) 2010. The SimGrid Team.
+ * All rights reserved. */
+
+/* This program is free software; you can redistribute it and/or modify it
+ * under the terms of the license (GNU LGPL) which comes with this package. */
#include "instr/private.h"
+#include "surf/surf_private.h"
#ifdef HAVE_TRACING
#define VARIABLE_SEPARATOR '#'
-static xbt_dict_t hosts_id;
static xbt_dict_t created_links;
-static xbt_dict_t link_bandwidth;
-static xbt_dict_t link_latency;
static xbt_dict_t host_containers;
-
-static xbt_dict_t last_platform_variables; /* to control the amount of add/sub variables events:
- dict with key {RESOURCE_NAME}#Time or {RESOURCE_NAME}#Value of dict with variables types == string */
-
-static xbt_dict_t platform_variables; /* host or link name -> array of categories */
-
static xbt_dict_t resource_variables; /* (host|link)#variable -> value */
/* to trace gtnets */
static xbt_dict_t gtnets_src; /* %p (action) -> %s */
static xbt_dict_t gtnets_dst; /* %p (action) -> %s */
-void __TRACE_surf_init (void)
+void TRACE_surf_alloc (void)
{
- hosts_id = xbt_dict_new();
created_links = xbt_dict_new();
- link_bandwidth = xbt_dict_new();
- link_latency = xbt_dict_new();
- platform_variables = xbt_dict_new();
host_containers = xbt_dict_new();
- last_platform_variables = xbt_dict_new();
resource_variables = xbt_dict_new ();
gtnets_src = xbt_dict_new ();
gtnets_dst = xbt_dict_new ();
-}
-static char *strsplit (char *input, int field, char del) //caller should free the returned string
-{
- int length = strlen(input), i;
- int s = 0, e = length+1;
- int current_field = 0;
- for (i = 0; i < length; i++){
- if (input[i] == del){
- if (current_field == field){
- e = i-1;
- break;
- }else{
- s = i+1;
- current_field++;
- }
- }
- }
- //copy string from s to e (with length equal to e-s) and return
- char *ret = malloc ((e-s+2)*sizeof(char));
- strncpy (ret, input+s, e-s+1);
- ret[e-s+1] = '\0';
- return ret;
-}
-
-void __TRACE_surf_finalize (void)
-{
- if (!IS_TRACING_PLATFORM) return;
- if (!xbt_dict_length(last_platform_variables)){
- return;
- }else{
- xbt_dict_cursor_t cursor = NULL;
- unsigned int cursor_ar = 0;
- char *key, *value, *res;
- char resource[200];
-
- /* get all resources from last_platform_variables */
- xbt_dynar_t resources = xbt_dynar_new(sizeof(char)*200, xbt_free);
- xbt_dict_foreach(last_platform_variables, cursor, key, value) {
- res = strsplit (key, 0, VARIABLE_SEPARATOR);
- char *aux = strsplit (key, 1, VARIABLE_SEPARATOR);
- if (strcmp (aux, "Time") == 0){ //only need to add one of three
- xbt_dynar_push (resources, xbt_strdup(res));
- }
- free (aux);
- free (res);
- }
-
- /* iterate through resources array */
- xbt_dynar_foreach (resources, cursor_ar, resource) {
- char timekey[100], valuekey[100], variablekey[100];
- snprintf (timekey, 100, "%s%cTime", resource, VARIABLE_SEPARATOR);
- snprintf (valuekey, 100, "%s%cValue", resource, VARIABLE_SEPARATOR);
- snprintf (variablekey, 100, "%s%cVariable", resource, VARIABLE_SEPARATOR);
-
- char *time = xbt_dict_get_or_null (last_platform_variables, timekey);
- if (!time) continue;
- char *value = xbt_dict_get (last_platform_variables, valuekey);
- char *variable = xbt_dict_get (last_platform_variables, variablekey);
- pajeSubVariable (atof(time), variable, resource, value);
-
- xbt_dict_remove (last_platform_variables, timekey);
- xbt_dict_remove (last_platform_variables, valuekey);
- xbt_dict_remove (last_platform_variables, variablekey);
- }
- }
-}
-
-void __TRACE_surf_check_variable_set_to_zero (double now, const char *variable, const char *resource)
-{
- /* check if we have to set it to 0 */
- if (!xbt_dict_get_or_null (platform_variables, resource)){
- xbt_dynar_t array = xbt_dynar_new(100*sizeof(char), xbt_free);
- xbt_dynar_push (array, xbt_strdup(variable));
- if (IS_TRACING_PLATFORM) pajeSetVariable (now, variable, resource, "0");
- xbt_dict_set (platform_variables, resource, array, xbt_dynar_free_voidp);
- }else{
- xbt_dynar_t array = xbt_dict_get (platform_variables, resource);
- unsigned int i;
- char cat[100];
- int flag = 0;
- xbt_dynar_foreach (array, i, cat) {
- if (strcmp(variable, cat)==0){
- flag = 1;
- }
- }
- if (flag==0){
- xbt_dynar_push (array, strdup(variable));
- if (IS_TRACING_PLATFORM) pajeSetVariable (now, variable, resource, "0");
- }
- }
- /* end of check */
+ TRACE_surf_resource_utilization_alloc();
}
-void __TRACE_surf_update_action_state_resource (double now, double delta, const char *variable, const char *resource, double value)
+void TRACE_surf_release (void)
{
- if (!IS_TRACING_PLATFORM) return;
-
- char valuestr[100];
- snprintf (valuestr, 100, "%f", value);
+ char *key, *value;
+ xbt_dict_cursor_t cursor = NULL;
+ TRACE_surf_resource_utilization_release();
- /*
- //fprintf (stderr, "resource = %s variable = %s (%f -> %f) value = %s\n", resource, variable, now, now+delta, valuestr);
- if (1){
- __TRACE_surf_check_variable_set_to_zero (now, variable, resource);
- if (IS_TRACING_PLATFORM) pajeAddVariable (now, variable, resource, valuestr);
- if (IS_TRACING_PLATFORM) pajeSubVariable (now+delta, variable, resource, valuestr);
- return;
+ /* get all host from host_containers */
+ xbt_dict_foreach(host_containers, cursor, key, value) {
+ pajeDestroyContainer (MSG_get_clock(), "HOST", key);
}
- */
-
- /*
- * The following code replaces the code above with the objective
- * to decrease the size of file because of unnecessary add/sub on
- * variables. It should be re-checked before put in production.
- */
-
- char nowstr[100], nowdeltastr[100];
- snprintf (nowstr, 100, "%.15f", now);
- snprintf (nowdeltastr, 100, "%.15f", now+delta);
-
- char timekey[100], valuekey[100], variablekey[100];
- snprintf (timekey, 100, "%s%cTime", resource, VARIABLE_SEPARATOR);
- snprintf (valuekey, 100, "%s%cValue", resource, VARIABLE_SEPARATOR);
- snprintf (variablekey, 100, "%s%cVariable", resource, VARIABLE_SEPARATOR);
-
- char *lastvariable = xbt_dict_get_or_null (last_platform_variables, variablekey);
- if (lastvariable == NULL){
- __TRACE_surf_check_variable_set_to_zero (now, variable, resource);
- pajeAddVariable (now, variable, resource, valuestr);
- xbt_dict_set (last_platform_variables, xbt_strdup (timekey), xbt_strdup (nowdeltastr), xbt_free);
- xbt_dict_set (last_platform_variables, xbt_strdup (valuekey), xbt_strdup (valuestr), xbt_free);
- xbt_dict_set (last_platform_variables, xbt_strdup (variablekey), xbt_strdup (variable), xbt_free);
- }else{
- char *lasttime = xbt_dict_get_or_null (last_platform_variables, timekey);
- char *lastvalue = xbt_dict_get_or_null (last_platform_variables, valuekey);
-
- /* check if it is the same variable */
- if (strcmp(lastvariable, variable) == 0){ /* same variable */
- /* check if lasttime equals now */
- if (atof(lasttime) == now){ /* lastime == now */
- /* check if lastvalue equals valuestr */
- if (atof(lastvalue) == value){ /* lastvalue == value (good, just advance time) */
- xbt_dict_set (last_platform_variables, xbt_strdup(timekey), xbt_strdup(nowdeltastr), xbt_free);
- }else{ /* value has changed */
- /* value has changed, subtract previous value, add new one */
- pajeSubVariable (atof(lasttime), variable, resource, lastvalue);
- pajeAddVariable (atof(nowstr), variable, resource, valuestr);
- xbt_dict_set (last_platform_variables, xbt_strdup(timekey), xbt_strdup(nowdeltastr), xbt_free);
- xbt_dict_set (last_platform_variables, xbt_strdup(valuekey), xbt_strdup(valuestr), xbt_free);
- }
- }else{ /* lasttime != now */
- /* the last time is different from new starting time, subtract to lasttime and add from nowstr */
- pajeSubVariable (atof(lasttime), variable, resource, lastvalue);
- pajeAddVariable (atof(nowstr), variable, resource, valuestr);
- xbt_dict_set (last_platform_variables, xbt_strdup(timekey), xbt_strdup(nowdeltastr), xbt_free);
- xbt_dict_set (last_platform_variables, xbt_strdup(valuekey), xbt_strdup(valuestr), xbt_free);
- }
- }else{ /* variable has changed */
- pajeSubVariable (atof(lasttime), lastvariable, resource, lastvalue);
- __TRACE_surf_check_variable_set_to_zero (now, variable, resource);
- pajeAddVariable (now, variable, resource, valuestr);
- xbt_dict_set (last_platform_variables, xbt_strdup (timekey), xbt_strdup (nowdeltastr), xbt_free);
- xbt_dict_set (last_platform_variables, xbt_strdup (valuekey), xbt_strdup (valuestr), xbt_free);
- xbt_dict_set (last_platform_variables, xbt_strdup (variablekey), xbt_strdup (variable), xbt_free);
- }
+ xbt_dict_foreach(created_links, cursor, key, value) {
+ pajeDestroyContainer (MSG_get_clock(), "LINK", key);
}
- return;
}
-void __TRACE_surf_set_resource_variable (double date, const char *variable, const char *resource, double value)
+static void TRACE_surf_set_resource_variable (double date, const char *variable, const char *resource, double value)
{
+ char aux[100], key[100];
+ char *last_value = NULL;
if (!IS_TRACING) return;
- char aux[100], key[100];
snprintf (aux, 100, "%f", value);
snprintf (key, 100, "%s%c%s", resource, VARIABLE_SEPARATOR, variable);
- char *last_value = xbt_dict_get_or_null(resource_variables, key);
+ last_value = xbt_dict_get_or_null(resource_variables, key);
if (last_value){
if (atof(last_value) == value){
return;
xbt_dict_set (resource_variables, xbt_strdup(key), xbt_strdup(aux), xbt_free);
}
-void TRACE_surf_update_action_state_net_resource (const char *name, smx_action_t smx_action, double value, double now, double delta)
-{
- if (!IS_TRACING || !IS_TRACED(smx_action)) return;
-
- if (strcmp (name, "__loopback__")==0 ||
- strcmp (name, "loopback")==0){ //ignore loopback updates
- return;
- }
-
- if (value == 0) return;
-
- if (!xbt_dict_get_or_null (created_links, name)){
- TRACE_surf_missing_link ();
- return;
- }
-
- char type[100];
- snprintf (type, 100, "b%s", smx_action->category);
- __TRACE_surf_update_action_state_resource (now, delta, type, name, value);
- return;
-}
-
-void TRACE_surf_update_action_state_cpu_resource (const char *name, smx_action_t smx_action, double value, double now, double delta)
+/*
+ * TRACE_surf_link_declaration (name, bandwidth, latency): this function
+ * saves the bandwidth and latency of a link identified by name. This
+ * information is used in the future to create the link container in the trace.
+ *
+ * caller: net_link_new (from each network model)
+ * main: create LINK container, set initial bandwidth and latency
+ * return: void
+ */
+void TRACE_surf_link_declaration (void *link, char *name, double bw, double lat)
{
- if (!IS_TRACING || !IS_TRACED(smx_action)) return;
-
- if (value==0){
- return;
- }
+ if (!IS_TRACING) return;
- char type[100];
- snprintf (type, 100, "p%s", smx_action->category);
- __TRACE_surf_update_action_state_resource (now, delta, type, name, value);
- return;
-}
+ //filter out loopback
+ if (!strcmp (name, "loopback") || !strcmp (name, "__loopback__")) return;
-void TRACE_surf_link_declaration (char *name, double bw, double lat)
-{
- if (!IS_TRACING) return;
- //if (IS_TRACING_PLATFORM) pajeCreateContainerWithBandwidthLatency (SIMIX_get_clock(), name, "LINK", "platform", name, bw, lat);
- //save bw and lat information for this link
- double *bw_ptr, *lat_ptr;
- bw_ptr = xbt_new (double, 1);
- lat_ptr = xbt_new (double, 1);
- *bw_ptr = bw;
- *lat_ptr = lat;
- xbt_dict_set (link_bandwidth, xbt_strdup(name), bw_ptr, xbt_free);
- xbt_dict_set (link_latency, xbt_strdup(name), lat_ptr, xbt_free);
+ char alias[100];
+ snprintf (alias, 100, "%p", link);
+ pajeCreateContainer (SIMIX_get_clock(), alias, "LINK", "platform", name);
+ xbt_dict_set (created_links, alias, xbt_strdup ("1"), xbt_free);
+ TRACE_surf_link_set_bandwidth (SIMIX_get_clock(), link, bw);
+ TRACE_surf_link_set_latency (SIMIX_get_clock(), link, lat);
}
+/*
+ * TRACE_surf_host_declaration (name, power): this function
+ * saves the power of a host identified by name. This information
+ * is used to create the host container in the trace.
+ *
+ * caller: cpu_new (from each cpu model) + router parser
+ * main: create HOST containers, set initial power value
+ * return: void
+ */
void TRACE_surf_host_declaration (char *name, double power)
{
if (!IS_TRACING) return;
- if (IS_TRACING_PLATFORM){
- pajeCreateContainer (SIMIX_get_clock(), name, "HOST", "platform", name);
- xbt_dict_set (host_containers, xbt_strdup(name), xbt_strdup("1"), xbt_free);
- }
- __TRACE_surf_set_resource_variable (SIMIX_get_clock(), "power", name, power);
-}
-
-void TRACE_surf_routing_full_parse_end (char *link_name, int src, int dst)
-{
- if (!IS_TRACING) return;
- char srcidstr[100], dstidstr[100];
- snprintf (srcidstr, 100, "%d", src);
- snprintf (dstidstr, 100, "%d", dst);
- char *srcname = xbt_dict_get (hosts_id, srcidstr);
- char *dstname = xbt_dict_get (hosts_id, dstidstr);
-
- char key[100];
- snprintf (key, 100, "l%d-%d", src, dst);
-
- if (strcmp (link_name, "__loopback__")==0 ||
- strcmp (link_name, "loopback")==0){ //ignore loopback updates
- return;
- }
-
- if (!xbt_dict_get_or_null (created_links, link_name)){
- //if (IS_TRACING_PLATFORM) pajeStartLink (SIMIX_get_clock(), "edge", "platform", "route", srcname, key);
- //if (IS_TRACING_PLATFORM) pajeEndLink (SIMIX_get_clock()+0.1, "edge", "platform", "route", dstname, key);
- double *bw = xbt_dict_get (link_bandwidth, link_name);
- double *lat = xbt_dict_get (link_latency, link_name);
- if (IS_TRACING_PLATFORM) pajeCreateContainerWithBandwidthLatencySrcDst (SIMIX_get_clock(), link_name, "LINK", "platform", link_name, *bw, *lat, srcname, dstname);
- __TRACE_surf_set_resource_variable (SIMIX_get_clock(), "bandwidth", link_name, *bw);
- __TRACE_surf_set_resource_variable (SIMIX_get_clock(), "latency", link_name, *lat);
- xbt_dict_set (created_links, xbt_strdup(link_name), xbt_strdup ("1"), xbt_free);
- }
+ pajeCreateContainer (SIMIX_get_clock(), name, "HOST", "platform", name);
+ xbt_dict_set (host_containers, name, xbt_strdup("1"), xbt_free);
+ TRACE_surf_host_set_power (SIMIX_get_clock(), name, power);
}
void TRACE_surf_host_set_power (double date, char *resource, double power)
{
- __TRACE_surf_set_resource_variable (date, "power", resource, power);
+ TRACE_surf_set_resource_variable (date, "power", resource, power);
}
-void TRACE_surf_link_set_bandwidth (double date, char *resource, double bandwidth)
+void TRACE_surf_link_set_bandwidth (double date, void *link, double bandwidth)
{
- __TRACE_surf_set_resource_variable (date, "bandwidth", resource, bandwidth);
-}
+ if (!TRACE_surf_link_is_traced (link)) return;
-void TRACE_surf_link_set_latency (double date, char *resource, double latency)
-{
- __TRACE_surf_set_resource_variable (date, "latency", resource, latency);
+ char resource[100];
+ snprintf (resource, 100, "%p", link);
+ TRACE_surf_set_resource_variable (date, "bandwidth", resource, bandwidth);
}
-void TRACE_surf_define_host_id (const char *name, int host_id)
+void TRACE_surf_link_set_latency (double date, void *link, double latency)
{
- if (!IS_TRACING) return;
- char strid[100];
- snprintf (strid, 100, "%d", host_id);
- xbt_dict_set (hosts_id, strdup(name), strdup(strid), free);
- xbt_dict_set (hosts_id, strdup(strid), strdup(name), free);
+ if (!TRACE_surf_link_is_traced (link)) return;
+
+ char resource[100];
+ snprintf (resource, 100, "%p", link);
+ TRACE_surf_set_resource_variable (date, "latency", resource, latency);
}
/* to trace gtnets */
void TRACE_surf_gtnets_communicate (void *action, int src, int dst)
{
+ char key[100], aux[100];
if (!IS_TRACING) return;
- char key[100], aux[100];
snprintf (key, 100, "%p", action);
snprintf (aux, 100, "%d", src);
- xbt_dict_set (gtnets_src, xbt_strdup(key), xbt_strdup(aux), xbt_free);
+ xbt_dict_set (gtnets_src, key, xbt_strdup(aux), xbt_free);
snprintf (aux, 100, "%d", dst);
- xbt_dict_set (gtnets_dst, xbt_strdup(key), xbt_strdup(aux), xbt_free);
+ xbt_dict_set (gtnets_dst, key, xbt_strdup(aux), xbt_free);
}
int TRACE_surf_gtnets_get_src (void *action)
{
+ char key[100];
+ char *aux = NULL;
if (!IS_TRACING) return -1;
- char key[100];
snprintf (key, 100, "%p", action);
- char *aux = xbt_dict_get_or_null (gtnets_src, key);
+ aux = xbt_dict_get_or_null (gtnets_src, key);
if (aux){
return atoi(aux);
}else{
int TRACE_surf_gtnets_get_dst (void *action)
{
+ char key[100];
+ char *aux = NULL;
if (!IS_TRACING) return -1;
- char key[100];
snprintf (key, 100, "%p", action);
- char *aux = xbt_dict_get_or_null (gtnets_dst, key);
+ aux = xbt_dict_get_or_null (gtnets_dst, key);
if (aux){
return atoi(aux);
}else{
void TRACE_surf_gtnets_destroy (void *action)
{
- if (!IS_TRACING) return;
char key[100];
+ if (!IS_TRACING) return;
snprintf (key, 100, "%p", action);
xbt_dict_remove (gtnets_src, key);
xbt_dict_remove (gtnets_dst, key);
}
-void TRACE_surf_missing_link (void)
+void TRACE_surf_host_vivaldi_parse (char *host, double x, double y, double h)
{
- CRITICAL0("The trace cannot be done because "
- "the platform you are using contains "
- "routes with more than one link.");
- THROW0(tracing_error, TRACE_ERROR_COMPLEX_ROUTES, "Tracing failed");
+ char valuestr[100];
+ if (!IS_TRACING || !IS_TRACING_PLATFORM) return;
+
+ snprintf (valuestr, 100, "%g", x);
+ pajeSetVariable (0, "vivaldi_x", host, valuestr);
+ snprintf (valuestr, 100, "%g", y);
+ pajeSetVariable (0, "vivaldi_y", host, valuestr);
+ snprintf (valuestr, 100, "%g", h);
+ pajeSetVariable (0, "vivaldi_h", host, valuestr);
}
-void TRACE_msg_clean (void)
+extern routing_global_t global_routing;
+void TRACE_surf_save_onelink (void)
{
- __TRACE_surf_finalize();
+ if (!IS_TRACING) return;
- xbt_dict_cursor_t cursor = NULL;
- char *key, *value;
+ //get the onelinks from the parsed platform
+ xbt_dynar_t onelink_routes = global_routing->get_onelink_routes();
+ if (!onelink_routes) return;
- /* get all host from host_containers */
- xbt_dict_foreach(host_containers, cursor, key, value) {
- if (IS_TRACING_PLATFORM) pajeDestroyContainer (MSG_get_clock(), "HOST", key);
+ //save them in trace file
+ onelink_t onelink;
+ unsigned int iter;
+ xbt_dynar_foreach(onelink_routes, iter, onelink) {
+ char *src = onelink->src;
+ char *dst = onelink->dst;
+ void *link = onelink->link_ptr;
+
+ if (TRACE_surf_link_is_traced (link)){
+ char resource[100];
+ snprintf (resource, 100, "%p", link);
+
+ pajeNewEvent (0.1, "source", resource, src);
+ pajeNewEvent (0.1, "destination", resource, dst);
+ }
}
}
-void TRACE_surf_vivaldi_parse_host (char *host, double x, double y, double h)
+int TRACE_surf_link_is_traced (void *link)
{
- if (!IS_TRACING || !IS_TRACING_PLATFORM) return;
-
- char valuestr[100];
- snprintf (valuestr, 100, "%g", x);
- pajeSetVariable (0, "vivaldi_x", host, valuestr);
- snprintf (valuestr, 100, "%g", y);
- pajeSetVariable (0, "vivaldi_y", host, valuestr);
- snprintf (valuestr, 100, "%g", h);
- pajeSetVariable (0, "vivaldi_h", host, valuestr);
+ char alias[100];
+ snprintf (alias, 100, "%p", link);
+ if (xbt_dict_get_or_null (created_links, alias)){
+ return 1;
+ }else{
+ return 0;
+ }
}
+void TRACE_surf_action (surf_action_t surf_action, const char *category)
+{
+ if (!IS_TRACING_PLATFORM) return;
+ if (!category){
+ xbt_die ("invalid tracing category");
+ }
+ surf_action->category = xbt_new (char, strlen (category)+1);
+ strncpy (surf_action->category, category, strlen(category)+1);
+}
#endif
