#include "simgrid_config.h"
#ifdef HAVE_TRACING
-
#include "instr/instr_private.h"
+#include "surf/network_private.h"
+
+typedef enum {
+ INSTR_US_DECLARE,
+ INSTR_US_SET,
+ INSTR_US_ADD,
+ INSTR_US_SUB
+} InstrUserVariable;
XBT_LOG_NEW_DEFAULT_SUBCATEGORY (instr_api, instr, "API");
+xbt_dict_t created_categories = NULL;
+/** \ingroup TRACE_category
+ * \brief Declare a new category with a random color.
+ *
+ * This function should be used to define a user category. The
+ * category can be used to differentiate the tasks that are created
+ * during the simulation (for example, tasks from server1, server2,
+ * or request tasks, computation tasks, communication tasks). All
+ * resource utilization (host power and link bandwidth) will be
+ * classified according to the task category. Tasks that do not
+ * belong to a category are not traced. The color for the category
+ * that is being declared is random. This function has no effect
+ * if a category with the same name has been already declared.
+ *
+ * See \ref tracing_tracing for details on how to trace
+ * the (categorized) resource utilization.
+ *
+ * \param category The name of the new tracing category to be created.
+ *
+ * \see TRACE_category_with_color, MSG_task_set_category, SD_task_set_category
+ */
void TRACE_category(const char *category)
{
TRACE_category_with_color (category, NULL);
}
+/** \ingroup TRACE_category
+ * \brief Declare a new category with a color.
+ *
+ * Same as #TRACE_category, but let user specify a color encoded as a
+ * RGB-like string with three floats from 0 to 1. So, to specify a
+ * red color, pass "1 0 0" as color parameter. A light-gray color
+ * can be specified using "0.7 0.7 0.7" as color. This function has
+ * no effect if a category with the same name has been already declared.
+ *
+ * See \ref tracing_tracing for details on how to trace
+ * the (categorized) resource utilization.
+ *
+ * \param category The name of the new tracing category to be created.
+ * \param color The color of the category (see \ref tracing_tracing to
+ * know how to correctly specify the color)
+ *
+ * \see MSG_task_set_category, SD_task_set_category
+ */
void TRACE_category_with_color (const char *category, const char *color)
{
- if (!(TRACE_is_active() && category != NULL))
- return;
+ /* safe switch */
+ if (!TRACE_is_enabled()) return;
+
+ if (!(TRACE_categorized() && category != NULL)) return;
- xbt_assert (instr_platform_traced(),
- "%s must be called after environment creation", __FUNCTION__);
+ /* if platform is not traced, we can't deal with categories */
+ if (!TRACE_needs_platform()) return;
//check if category is already created
char *created = xbt_dict_get_or_null(created_categories, category);
if (created) return;
- xbt_dict_set (created_categories, category, xbt_strdup("1"), xbt_free);
+ xbt_dict_set (created_categories, category, xbt_strdup("1"), NULL);
//define final_color
char final_color[INSTR_DEFAULT_STR_SIZE];
XBT_DEBUG("CAT,declare %s, %s", category, final_color);
-//FIXME
-// - if (final) {
-// - //for m_process_t
-// - if (TRACE_msg_process_is_enabled())
-// - pajeDefineContainerType("process", type, "process");
-// - if (TRACE_msg_process_is_enabled())
-// - pajeDefineStateType("process-state", "process", "process-state");
-// -
-// - if (TRACE_msg_task_is_enabled())
-// - pajeDefineContainerType("task", type, "task");
-// - if (TRACE_msg_task_is_enabled())
-// - pajeDefineStateType("task-state", "task", "task-state");
-// - }
-
//define the type of this category on top of hosts and links
- if (TRACE_categorized ()){
- instr_new_user_variable_type (category, final_color);
+ instr_new_variable_type (category, final_color);
+}
+
+
+/** \ingroup TRACE_category
+ * \brief Get declared categories
+ *
+ * This function should be used to get categories that were already
+ * declared with #TRACE_category or with #TRACE_category_with_color.
+ *
+ * See \ref tracing_tracing for details on how to trace
+ * the (categorized) resource utilization.
+ *
+ * \return A dynar with the declared categories, must be freed with xbt_dynar_free.
+ *
+ * \see MSG_task_set_category, SD_task_set_category
+ */
+xbt_dynar_t TRACE_get_categories (void)
+{
+ if (!TRACE_is_enabled()) return NULL;
+ if (!TRACE_categorized()) return NULL;
+
+ xbt_dynar_t ret = xbt_dynar_new (sizeof(char*), &xbt_free_ref);
+ xbt_dict_cursor_t cursor = NULL;
+ char *name, *value;
+ xbt_dict_foreach(created_categories, cursor, name, value) {
+ xbt_dynar_push_as (ret, char*, xbt_strdup(name));
}
+ return ret;
}
+/** \ingroup TRACE_mark
+ * \brief Declare a new type for tracing mark.
+ *
+ * This function declares a new Paje event
+ * type in the trace file that can be used by
+ * simulators to declare application-level
+ * marks. This function is independent of
+ * which API is used in SimGrid.
+ *
+ * \param mark_type The name of the new type.
+ *
+ * \see TRACE_mark
+ */
void TRACE_declare_mark(const char *mark_type)
{
- if (!TRACE_is_active())
- return;
- if (!mark_type)
- return;
+ /* safe switch */
+ if (!TRACE_is_enabled()) return;
+
+ if (!mark_type) return;
XBT_DEBUG("MARK,declare %s", mark_type);
- getEventType(mark_type, NULL, getRootType());
+ PJ_type_event_new(mark_type, NULL, PJ_type_get_root());
}
+/**
+ * \ingroup TRACE_mark
+ * \brief Create a new instance of a tracing mark type.
+ *
+ * This function creates a mark in the trace file. The
+ * first parameter had to be previously declared using
+ * #TRACE_declare_mark, the second is the identifier
+ * for this mark instance. We recommend that the
+ * mark_value is a unique value for the whole simulation.
+ * Nevertheless, this is not a strong requirement: the
+ * trace will be valid even if there are multiple mark
+ * identifiers for the same trace.
+ *
+ * \param mark_type The name of the type for which the new instance will belong.
+ * \param mark_value The name of the new instance mark.
+ *
+ * \see TRACE_declare_mark
+ */
void TRACE_mark(const char *mark_type, const char *mark_value)
{
- if (!TRACE_is_active())
- return;
- if (!mark_type || !mark_value)
- return;
+ /* safe switch */
+ if (!TRACE_is_enabled()) return;
+
+ if (!mark_type || !mark_value) return;
XBT_DEBUG("MARK %s %s", mark_type, mark_value);
- type_t type = getEventType (mark_type, NULL, getRootContainer()->type);
- val_t value = getValue (mark_value, NULL, type);
- new_pajeNewEvent (MSG_get_clock(), getRootContainer(), type, value);
+ type_t type = PJ_type_get (mark_type, PJ_type_get_root());
+ if (type == NULL){
+ THROWF (tracing_error, 1, "mark_type with name (%s) not declared before", mark_type);
+ }
+ val_t value = PJ_value_get (mark_value, type);
+ if (value == NULL){
+ value = PJ_value_new (mark_value, NULL, type);
+ }
+ new_pajeNewEvent (MSG_get_clock(), PJ_container_get_root(), type, value);
}
-
-void TRACE_user_link_variable(double time, const char *resource,
- const char *variable,
- double value, const char *what)
+static void instr_user_variable(double time,
+ const char *resource,
+ const char *variable,
+ const char *father_type,
+ double value,
+ InstrUserVariable what,
+ const char *color)
{
- if (!TRACE_is_active())
- return;
+ /* safe switch */
+ if (!TRACE_is_enabled()) return;
- xbt_assert (instr_platform_traced(),
- "%s must be called after environment creation", __FUNCTION__);
+ /* if platform is not traced, we can't deal user variables */
+ if (!TRACE_needs_platform()) return;
char valuestr[100];
snprintf(valuestr, 100, "%g", value);
- if (strcmp(what, "declare") == 0) {
- instr_new_user_link_variable_type (variable, NULL);
- } else{
- container_t container = getContainerByName (resource);
- type_t type = getVariableType (variable, NULL, container->type);
- if (strcmp(what, "set") == 0) {
- new_pajeSetVariable(time, container, type, value);
- } else if (strcmp(what, "add") == 0) {
- new_pajeAddVariable(time, container, type, value);
- } else if (strcmp(what, "sub") == 0) {
- new_pajeSubVariable(time, container, type, value);
- }
+ switch (what){
+ case INSTR_US_DECLARE:
+ instr_new_user_variable_type (father_type, variable, color);
+ break;
+ case INSTR_US_SET:
+ {
+ container_t container = PJ_container_get(resource);
+ type_t type = PJ_type_get (variable, container->type);
+ new_pajeSetVariable(time, container, type, value);
+ break;
+ }
+ case INSTR_US_ADD:
+ {
+ container_t container = PJ_container_get(resource);
+ type_t type = PJ_type_get (variable, container->type);
+ new_pajeAddVariable(time, container, type, value);
+ break;
+ }
+ case INSTR_US_SUB:
+ {
+ container_t container = PJ_container_get(resource);
+ type_t type = PJ_type_get (variable, container->type);
+ new_pajeSubVariable(time, container, type, value);
+ break;
+ }
+ default:
+ //TODO: launch exception
+ break;
}
}
-void TRACE_user_host_variable(double time, const char *variable,
- double value, const char *what)
+static void instr_user_srcdst_variable(double time,
+ const char *src,
+ const char *dst,
+ const char *variable,
+ const char *father_type,
+ double value,
+ InstrUserVariable what)
{
- if (!TRACE_is_active())
- return;
-
- xbt_assert (instr_platform_traced(),
- "%s must be called after environment creation", __FUNCTION__);
+ xbt_dynar_t route=NULL;
+ network_element_t src_elm = xbt_lib_get_or_null(host_lib,src,ROUTING_HOST_LEVEL);
+ if(!src_elm) src_elm = xbt_lib_get_or_null(as_router_lib,src,ROUTING_ASR_LEVEL);
+ if(!src_elm) xbt_die("Element '%s' not found!",src);
- char valuestr[100];
- snprintf(valuestr, 100, "%g", value);
+ network_element_t dst_elm = xbt_lib_get_or_null(host_lib,dst,ROUTING_HOST_LEVEL);
+ if(!dst_elm) dst_elm = xbt_lib_get_or_null(as_router_lib,dst,ROUTING_ASR_LEVEL);
+ if(!dst_elm) xbt_die("Element '%s' not found!",dst);
- if (strcmp(what, "declare") == 0) {
- instr_new_user_host_variable_type (variable, NULL);
- } else{
- char *host_name = MSG_host_self()->name;
- container_t container = getContainerByName(host_name);
- type_t type = getVariableType (variable, NULL, container->type);
- if (strcmp(what, "set") == 0) {
- new_pajeSetVariable(time, container, type, value);
- } else if (strcmp(what, "add") == 0) {
- new_pajeAddVariable(time, container, type, value);
- } else if (strcmp(what, "sub") == 0) {
- new_pajeSubVariable(time, container, type, value);
- }
+ routing_get_route_and_latency (src_elm, dst_elm, &route,NULL);
+ unsigned int i;
+ void *link;
+ xbt_dynar_foreach (route, i, link) {
+ char *link_name = ((link_CM02_t)link)->lmm_resource.generic_resource.name;
+ instr_user_variable (time, link_name, variable, father_type, value, what, NULL);
}
}
-const char *TRACE_node_name (xbt_node_t node)
+/** \ingroup TRACE_API
+ * \brief Creates a file with the topology of the platform file used for the simulator.
+ *
+ * The graph topology will have the following properties: all hosts, links and routers
+ * of the platform file are mapped to graph nodes; routes are mapped to edges.
+ * The platform's AS are not represented in the output.
+ *
+ * \param filename The name of the file that will hold the graph.
+ *
+ * \return 1 of successful, 0 otherwise.
+ */
+int TRACE_platform_graph_export_graphviz (const char *filename)
{
- void *data = xbt_graph_node_get_data(node);
- char *str = (char*)data;
- return str;
+ /* returns 1 if successful, 0 otherwise */
+ if (!TRACE_is_enabled()) return 0;
+ xbt_graph_t g = instr_routing_platform_graph();
+ if (g == NULL) return 0;
+ instr_routing_platform_graph_export_graphviz (g, filename);
+ xbt_graph_free_graph (g, xbt_free, xbt_free, NULL);
+ return 1;
}
-xbt_graph_t TRACE_platform_graph (void)
+/*
+ * Derived functions that use instr_user_variable and TRACE_user_srcdst_variable.
+ * They were previously defined as pre-processors directives, but were transformed
+ * into functions so the user can track them using gdb.
+ */
+
+/* for host variables */
+/** \ingroup TRACE_user_variables
+ * \brief Declare a new user variable associated to hosts.
+ *
+ * Declare a user variable that will be associated to hosts.
+ * A user host variable can be used to trace user variables
+ * such as the number of tasks in a server, the number of
+ * clients in an application (for hosts), and so on. The color
+ * associated to this new variable will be random.
+ *
+ * \param variable The name of the new variable to be declared.
+ *
+ * \see TRACE_host_variable_declare_with_color
+ */
+void TRACE_host_variable_declare (const char *variable)
+{
+ instr_user_variable(0, NULL, variable, "HOST", 0, INSTR_US_DECLARE, NULL);
+}
+
+/** \ingroup TRACE_user_variables
+ * \brief Declare a new user variable associated to hosts with a color.
+ *
+ * Same as #TRACE_host_variable_declare, but associated a color
+ * to the newly created user host variable. The color needs to be
+ * a string with three numbers separated by spaces in the range [0,1].
+ * A light-gray color can be specified using "0.7 0.7 0.7" as color.
+ *
+ * \param variable The name of the new variable to be declared.
+ * \param color The color for the new variable.
+ *
+ */
+void TRACE_host_variable_declare_with_color (const char *variable, const char *color)
{
- if (!TRACE_is_active())
- return NULL;
+ instr_user_variable(0, NULL, variable, "HOST", 0, INSTR_US_DECLARE, color);
+}
+
+/** \ingroup TRACE_user_variables
+ * \brief Set the value of a variable of a host.
+ *
+ * \param host The name of the host to be considered.
+ * \param variable The name of the variable to be considered.
+ * \param value The new value of the variable.
+ *
+ * \see TRACE_host_variable_declare, TRACE_host_variable_add, TRACE_host_variable_sub
+ */
+void TRACE_host_variable_set (const char *host, const char *variable, double value)
+{
+ TRACE_host_variable_set_with_time (MSG_get_clock(), host, variable, value);
+}
+
+/** \ingroup TRACE_user_variables
+ * \brief Add a value to a variable of a host.
+ *
+ * \param host The name of the host to be considered.
+ * \param variable The name of the variable to be considered.
+ * \param value The value to be added to the variable.
+ *
+ * \see TRACE_host_variable_declare, TRACE_host_variable_set, TRACE_host_variable_sub
+ */
+void TRACE_host_variable_add (const char *host, const char *variable, double value)
+{
+ TRACE_host_variable_add_with_time (MSG_get_clock(), host, variable, value);
+}
- return instr_routing_platform_graph ();
+/** \ingroup TRACE_user_variables
+ * \brief Subtract a value from a variable of a host.
+ *
+ * \param host The name of the host to be considered.
+ * \param variable The name of the variable to be considered.
+ * \param value The value to be subtracted from the variable.
+ *
+ * \see TRACE_host_variable_declare, TRACE_host_variable_set, TRACE_host_variable_add
+ */
+void TRACE_host_variable_sub (const char *host, const char *variable, double value)
+{
+ TRACE_host_variable_sub_with_time (MSG_get_clock(), host, variable, value);
+}
+
+/** \ingroup TRACE_user_variables
+ * \brief Set the value of a variable of a host at a given timestamp.
+ *
+ * Same as #TRACE_host_variable_set, but let user specify
+ * the time used to trace it. Users can specify a time that
+ * is not the simulated clock time as defined by the core
+ * simulator. This allows a fine-grain control of time
+ * definition, but should be used with caution since the trace
+ * can be inconsistent if resource utilization traces are also traced.
+ *
+ * \param time The timestamp to be used to tag this change of value.
+ * \param host The name of the host to be considered.
+ * \param variable The name of the variable to be considered.
+ * \param value The new value of the variable.
+ *
+ * \see TRACE_host_variable_declare, TRACE_host_variable_add_with_time, TRACE_host_variable_sub_with_time
+ */
+void TRACE_host_variable_set_with_time (double time, const char *host, const char *variable, double value)
+{
+ instr_user_variable(time, host, variable, "HOST", value, INSTR_US_SET, NULL);
+}
+
+/** \ingroup TRACE_user_variables
+ * \brief Add a value to a variable of a host at a given timestamp.
+ *
+ * Same as #TRACE_host_variable_add, but let user specify
+ * the time used to trace it. Users can specify a time that
+ * is not the simulated clock time as defined by the core
+ * simulator. This allows a fine-grain control of time
+ * definition, but should be used with caution since the trace
+ * can be inconsistent if resource utilization traces are also traced.
+ *
+ * \param time The timestamp to be used to tag this change of value.
+ * \param host The name of the host to be considered.
+ * \param variable The name of the variable to be considered.
+ * \param value The value to be added to the variable.
+ *
+ * \see TRACE_host_variable_declare, TRACE_host_variable_set_with_time, TRACE_host_variable_sub_with_time
+ */
+void TRACE_host_variable_add_with_time (double time, const char *host, const char *variable, double value)
+{
+ instr_user_variable(time, host, variable, "HOST", value, INSTR_US_ADD, NULL);
+}
+
+/** \ingroup TRACE_user_variables
+ * \brief Subtract a value from a variable of a host at a given timestamp.
+ *
+ * Same as #TRACE_host_variable_sub, but let user specify
+ * the time used to trace it. Users can specify a time that
+ * is not the simulated clock time as defined by the core
+ * simulator. This allows a fine-grain control of time
+ * definition, but should be used with caution since the trace
+ * can be inconsistent if resource utilization traces are also traced.
+ *
+ * \param time The timestamp to be used to tag this change of value.
+ * \param host The name of the host to be considered.
+ * \param variable The name of the variable to be considered.
+ * \param value The value to be subtracted from the variable.
+ *
+ * \see TRACE_host_variable_declare, TRACE_host_variable_set_with_time, TRACE_host_variable_add_with_time
+ */
+void TRACE_host_variable_sub_with_time (double time, const char *host, const char *variable, double value)
+{
+ instr_user_variable(time, host, variable, "HOST", value, INSTR_US_SUB, NULL);
+}
+
+/* for link variables */
+/** \ingroup TRACE_user_variables
+ * \brief Declare a new user variable associated to links.
+ *
+ * Declare a user variable that will be associated to links.
+ * A user link variable can be used, for example, to trace
+ * user variables such as the number of messages being
+ * transferred through network links. The color
+ * associated to this new variable will be random.
+ *
+ * \param variable The name of the new variable to be declared.
+ *
+ * \see TRACE_link_variable_declare_with_color
+ */
+void TRACE_link_variable_declare (const char *variable)
+{
+ instr_user_variable (0, NULL, variable, "LINK", 0, INSTR_US_DECLARE, NULL);
+}
+
+/** \ingroup TRACE_user_variables
+ * \brief Declare a new user variable associated to links with a color.
+ *
+ * Same as #TRACE_link_variable_declare, but associated a color
+ * to the newly created user link variable. The color needs to be
+ * a string with three numbers separated by spaces in the range [0,1].
+ * A light-gray color can be specified using "0.7 0.7 0.7" as color.
+ *
+ * \param variable The name of the new variable to be declared.
+ * \param color The color for the new variable.
+ *
+ */
+void TRACE_link_variable_declare_with_color (const char *variable, const char *color)
+{
+ instr_user_variable (0, NULL, variable, "LINK", 0, INSTR_US_DECLARE, color);
+}
+
+/** \ingroup TRACE_user_variables
+ * \brief Set the value of a variable of a link.
+ *
+ * \param link The name of the link to be considered.
+ * \param variable The name of the variable to be considered.
+ * \param value The new value of the variable.
+ *
+ * \see TRACE_link_variable_declare, TRACE_link_variable_add, TRACE_link_variable_sub
+ */
+void TRACE_link_variable_set (const char *link, const char *variable, double value)
+{
+ TRACE_link_variable_set_with_time (MSG_get_clock(), link, variable, value);
+}
+
+/** \ingroup TRACE_user_variables
+ * \brief Add a value to a variable of a link.
+ *
+ * \param link The name of the link to be considered.
+ * \param variable The name of the variable to be considered.
+ * \param value The value to be added to the variable.
+ *
+ * \see TRACE_link_variable_declare, TRACE_link_variable_set, TRACE_link_variable_sub
+ */
+void TRACE_link_variable_add (const char *link, const char *variable, double value)
+{
+ TRACE_link_variable_add_with_time (MSG_get_clock(), link, variable, value);
+}
+
+/** \ingroup TRACE_user_variables
+ * \brief Subtract a value from a variable of a link.
+ *
+ * \param link The name of the link to be considered.
+ * \param variable The name of the variable to be considered.
+ * \param value The value to be subtracted from the variable.
+ *
+ * \see TRACE_link_variable_declare, TRACE_link_variable_set, TRACE_link_variable_add
+ */
+void TRACE_link_variable_sub (const char *link, const char *variable, double value)
+{
+ TRACE_link_variable_sub_with_time (MSG_get_clock(), link, variable, value);
+}
+
+/** \ingroup TRACE_user_variables
+ * \brief Set the value of a variable of a link at a given timestamp.
+ *
+ * Same as #TRACE_link_variable_set, but let user specify
+ * the time used to trace it. Users can specify a time that
+ * is not the simulated clock time as defined by the core
+ * simulator. This allows a fine-grain control of time
+ * definition, but should be used with caution since the trace
+ * can be inconsistent if resource utilization traces are also traced.
+ *
+ * \param time The timestamp to be used to tag this change of value.
+ * \param link The name of the link to be considered.
+ * \param variable The name of the variable to be considered.
+ * \param value The new value of the variable.
+ *
+ * \see TRACE_link_variable_declare, TRACE_link_variable_add_with_time, TRACE_link_variable_sub_with_time
+ */
+void TRACE_link_variable_set_with_time (double time, const char *link, const char *variable, double value)
+{
+ instr_user_variable (time, link, variable, "LINK", value, INSTR_US_SET, NULL);
+}
+
+/** \ingroup TRACE_user_variables
+ * \brief Add a value to a variable of a link at a given timestamp.
+ *
+ * Same as #TRACE_link_variable_add, but let user specify
+ * the time used to trace it. Users can specify a time that
+ * is not the simulated clock time as defined by the core
+ * simulator. This allows a fine-grain control of time
+ * definition, but should be used with caution since the trace
+ * can be inconsistent if resource utilization traces are also traced.
+ *
+ * \param time The timestamp to be used to tag this change of value.
+ * \param link The name of the link to be considered.
+ * \param variable The name of the variable to be considered.
+ * \param value The value to be added to the variable.
+ *
+ * \see TRACE_link_variable_declare, TRACE_link_variable_set_with_time, TRACE_link_variable_sub_with_time
+ */
+void TRACE_link_variable_add_with_time (double time, const char *link, const char *variable, double value)
+{
+ instr_user_variable (time, link, variable, "LINK", value, INSTR_US_ADD, NULL);
+}
+
+/** \ingroup TRACE_user_variables
+ * \brief Subtract a value from a variable of a link at a given timestamp.
+ *
+ * Same as #TRACE_link_variable_sub, but let user specify
+ * the time used to trace it. Users can specify a time that
+ * is not the simulated clock time as defined by the core
+ * simulator. This allows a fine-grain control of time
+ * definition, but should be used with caution since the trace
+ * can be inconsistent if resource utilization traces are also traced.
+ *
+ * \param time The timestamp to be used to tag this change of value.
+ * \param link The name of the link to be considered.
+ * \param variable The name of the variable to be considered.
+ * \param value The value to be subtracted from the variable.
+ *
+ * \see TRACE_link_variable_declare, TRACE_link_variable_set_with_time, TRACE_link_variable_add_with_time
+ */
+void TRACE_link_variable_sub_with_time (double time, const char *link, const char *variable, double value)
+{
+ instr_user_variable (time, link, variable, "LINK", value, INSTR_US_SUB, NULL);
+}
+
+/* for link variables, but with src and dst used for get_route */
+/** \ingroup TRACE_user_variables
+ * \brief Set the value of the variable present in the links connecting source and destination.
+ *
+ * Same as #TRACE_link_variable_set, but instead of providing the
+ * name of link to be considered, provide the source and destination
+ * hosts. All links that are part of the route between source and
+ * destination will have the variable set to the provided value.
+ *
+ * \param src The name of the source host for get route.
+ * \param dst The name of the destination host for get route.
+ * \param variable The name of the variable to be considered.
+ * \param value The new value of the variable.
+ *
+ * \see TRACE_link_variable_declare, TRACE_link_srcdst_variable_add, TRACE_link_srcdst_variable_sub
+ */
+void TRACE_link_srcdst_variable_set (const char *src, const char *dst, const char *variable, double value)
+{
+ TRACE_link_srcdst_variable_set_with_time (MSG_get_clock(), src, dst, variable, value);
+}
+
+/** \ingroup TRACE_user_variables
+ * \brief Add a value to the variable present in the links connecting source and destination.
+ *
+ * Same as #TRACE_link_variable_add, but instead of providing the
+ * name of link to be considered, provide the source and destination
+ * hosts. All links that are part of the route between source and
+ * destination will have the value passed as parameter added to
+ * the current value of the variable name to be considered.
+ *
+ * \param src The name of the source host for get route.
+ * \param dst The name of the destination host for get route.
+ * \param variable The name of the variable to be considered.
+ * \param value The value to be added to the variable.
+ *
+ * \see TRACE_link_variable_declare, TRACE_link_srcdst_variable_set, TRACE_link_srcdst_variable_sub
+ */
+void TRACE_link_srcdst_variable_add (const char *src, const char *dst, const char *variable, double value)
+{
+ TRACE_link_srcdst_variable_add_with_time (MSG_get_clock(), src, dst, variable, value);
+}
+
+/** \ingroup TRACE_user_variables
+ * \brief Subtract a value from the variable present in the links connecting source and destination.
+ *
+ * Same as #TRACE_link_variable_sub, but instead of providing the
+ * name of link to be considered, provide the source and destination
+ * hosts. All links that are part of the route between source and
+ * destination will have the value passed as parameter subtracted from
+ * the current value of the variable name to be considered.
+ *
+ * \param src The name of the source host for get route.
+ * \param dst The name of the destination host for get route.
+ * \param variable The name of the variable to be considered.
+ * \param value The value to be subtracted from the variable.
+ *
+ * \see TRACE_link_variable_declare, TRACE_link_srcdst_variable_set, TRACE_link_srcdst_variable_add
+ */
+void TRACE_link_srcdst_variable_sub (const char *src, const char *dst, const char *variable, double value)
+{
+ TRACE_link_srcdst_variable_sub_with_time (MSG_get_clock(), src, dst, variable, value);
+}
+
+/** \ingroup TRACE_user_variables
+ * \brief Set the value of the variable present in the links connecting source and destination at a given timestamp.
+ *
+ * Same as #TRACE_link_srcdst_variable_set, but let user specify
+ * the time used to trace it. Users can specify a time that
+ * is not the simulated clock time as defined by the core
+ * simulator. This allows a fine-grain control of time
+ * definition, but should be used with caution since the trace
+ * can be inconsistent if resource utilization traces are also traced.
+ *
+ * \param time The timestamp to be used to tag this change of value.
+ * \param src The name of the source host for get route.
+ * \param dst The name of the destination host for get route.
+ * \param variable The name of the variable to be considered.
+ * \param value The new value of the variable.
+ *
+ * \see TRACE_link_variable_declare, TRACE_link_srcdst_variable_add_with_time, TRACE_link_srcdst_variable_sub_with_time
+ */
+void TRACE_link_srcdst_variable_set_with_time (double time, const char *src, const char *dst, const char *variable, double value)
+{
+ instr_user_srcdst_variable (time, src, dst, variable, "LINK", value, INSTR_US_SET);
+}
+
+/** \ingroup TRACE_user_variables
+ * \brief Add a value to the variable present in the links connecting source and destination at a given timestamp.
+ *
+ * Same as #TRACE_link_srcdst_variable_add, but let user specify
+ * the time used to trace it. Users can specify a time that
+ * is not the simulated clock time as defined by the core
+ * simulator. This allows a fine-grain control of time
+ * definition, but should be used with caution since the trace
+ * can be inconsistent if resource utilization traces are also traced.
+ *
+ * \param time The timestamp to be used to tag this change of value.
+ * \param src The name of the source host for get route.
+ * \param dst The name of the destination host for get route.
+ * \param variable The name of the variable to be considered.
+ * \param value The value to be added to the variable.
+ *
+ * \see TRACE_link_variable_declare, TRACE_link_srcdst_variable_set_with_time, TRACE_link_srcdst_variable_sub_with_time
+ */
+void TRACE_link_srcdst_variable_add_with_time (double time, const char *src, const char *dst, const char *variable, double value)
+{
+ instr_user_srcdst_variable (time, src, dst, variable, "LINK", value, INSTR_US_ADD);
+}
+
+/** \ingroup TRACE_user_variables
+ * \brief Subtract a value from the variable present in the links connecting source and destination at a given timestamp.
+ *
+ * Same as #TRACE_link_srcdst_variable_sub, but let user specify
+ * the time used to trace it. Users can specify a time that
+ * is not the simulated clock time as defined by the core
+ * simulator. This allows a fine-grain control of time
+ * definition, but should be used with caution since the trace
+ * can be inconsistent if resource utilization traces are also traced.
+ *
+ * \param time The timestamp to be used to tag this change of value.
+ * \param src The name of the source host for get route.
+ * \param dst The name of the destination host for get route.
+ * \param variable The name of the variable to be considered.
+ * \param value The value to be subtracted from the variable.
+ *
+ * \see TRACE_link_variable_declare, TRACE_link_srcdst_variable_set_with_time, TRACE_link_srcdst_variable_add_with_time
+ */
+void TRACE_link_srcdst_variable_sub_with_time (double time, const char *src, const char *dst, const char *variable, double value)
+{
+ instr_user_srcdst_variable (time, src, dst, variable, "LINK", value, INSTR_US_SUB);
}
#endif /* HAVE_TRACING */
