X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/abc6c695d534ee87fe91c84038ebbf6b9226575d..c85c6cbfb4ee7d118644fef7a3915f7f7f3183d1:/src/instr/instr_interface.c diff --git a/src/instr/instr_interface.c b/src/instr/instr_interface.c index fc03a78247..8c76011b2f 100644 --- a/src/instr/instr_interface.c +++ b/src/instr/instr_interface.c @@ -7,7 +7,6 @@ #include "simgrid_config.h" #ifdef HAVE_TRACING - #include "instr/instr_private.h" #include "surf/network_private.h" @@ -20,11 +19,54 @@ typedef enum { XBT_LOG_NEW_DEFAULT_SUBCATEGORY (instr_api, instr, "API"); +xbt_dict_t created_categories = NULL; +xbt_dict_t declared_marks = NULL; +xbt_dict_t user_host_variables = NULL; +xbt_dict_t user_link_variables = 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) { /* safe switch */ @@ -58,6 +100,47 @@ void TRACE_category_with_color (const char *category, const char *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) { /* safe switch */ @@ -65,10 +148,33 @@ void TRACE_declare_mark(const char *mark_type) if (!mark_type) return; + //check if mark_type is already declared + char *created = xbt_dict_get_or_null(declared_marks, mark_type); + if (created) return; + xbt_dict_set (declared_marks, mark_type, xbt_strdup("1"), NULL); + XBT_DEBUG("MARK,declare %s", mark_type); 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) { /* safe switch */ @@ -76,6 +182,10 @@ void TRACE_mark(const char *mark_type, const char *mark_value) if (!mark_type || !mark_value) return; + //check if mark_type is already declared + char *created = xbt_dict_get_or_null(declared_marks, mark_type); + if (created) return; + XBT_DEBUG("MARK %s %s", mark_type, mark_value); type_t type = PJ_type_get (mark_type, PJ_type_get_root()); if (type == NULL){ @@ -88,20 +198,59 @@ void TRACE_mark(const char *mark_type, const char *mark_value) new_pajeNewEvent (MSG_get_clock(), PJ_container_get_root(), type, value); } +/** \ingroup TRACE_mark + * \brief Get declared marks + * + * This function should be used to get marks that were already + * declared with #TRACE_declare_mark. + * + * \return A dynar with the declared marks, must be freed with xbt_dynar_free. + * + */ +xbt_dynar_t TRACE_get_marks (void) +{ + if (!TRACE_is_enabled()) 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(declared_marks, cursor, name, value) { + xbt_dynar_push_as (ret, char*, xbt_strdup(name)); + } + return ret; +} + static void instr_user_variable(double time, const char *resource, const char *variable, const char *father_type, double value, InstrUserVariable what, - const char *color) + const char *color, + xbt_dict_t filter) { /* safe switch */ if (!TRACE_is_enabled()) return; - /* if platform is not traced, we can't deal user variables */ + /* if platform is not traced, we don't allow user variables */ if (!TRACE_needs_platform()) return; + //check if variable is already declared + char *created = xbt_dict_get_or_null(declared_marks, variable); + if (what == INSTR_US_DECLARE){ + if (created){ + //already declared + return; + }else{ + xbt_dict_set (filter, variable, xbt_strdup("1"), NULL); + } + }else{ + if (!created){ + //not declared, ignore + return; + } + } + char valuestr[100]; snprintf(valuestr, 100, "%g", value); @@ -158,10 +307,21 @@ static void instr_user_srcdst_variable(double time, 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); + instr_user_variable (time, link_name, variable, father_type, value, what, NULL, user_link_variables); } } +/** \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) { /* returns 1 if successful, 0 otherwise */ @@ -180,113 +340,420 @@ int TRACE_platform_graph_export_graphviz (const char *filename) */ /* for host variables */ -void TRACE_host_variable_declare (const char *var) +/** \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, var, "HOST", 0, INSTR_US_DECLARE, NULL); + instr_user_variable(0, NULL, variable, "HOST", 0, INSTR_US_DECLARE, NULL, user_host_variables); } -void TRACE_host_variable_declare_with_color (const char *var, const char *color) +/** \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) { - instr_user_variable(0, NULL, var, "HOST", 0, INSTR_US_DECLARE, color); + instr_user_variable(0, NULL, variable, "HOST", 0, INSTR_US_DECLARE, color, user_host_variables); } +/** \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); } +/** \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); + instr_user_variable(time, host, variable, "HOST", value, INSTR_US_SET, NULL, user_host_variables); } +/** \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); + instr_user_variable(time, host, variable, "HOST", value, INSTR_US_ADD, NULL, user_host_variables); } +/** \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); + instr_user_variable(time, host, variable, "HOST", value, INSTR_US_SUB, NULL, user_host_variables); } /* for link variables */ -void TRACE_link_variable_declare (const char *var) +/** \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, var, "LINK", 0, INSTR_US_DECLARE, NULL); + instr_user_variable (0, NULL, variable, "LINK", 0, INSTR_US_DECLARE, NULL, user_link_variables); } -void TRACE_link_variable_declare_with_color (const char *var, const char *color) +/** \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, var, "LINK", 0, INSTR_US_DECLARE, color); + instr_user_variable (0, NULL, variable, "LINK", 0, INSTR_US_DECLARE, color, user_link_variables); } +/** \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); + instr_user_variable (time, link, variable, "LINK", value, INSTR_US_SET, NULL, user_link_variables); } +/** \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); + instr_user_variable (time, link, variable, "LINK", value, INSTR_US_ADD, NULL, user_link_variables); } +/** \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); + instr_user_variable (time, link, variable, "LINK", value, INSTR_US_SUB, NULL, user_link_variables); } /* 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);