-/* Copyright (c) 2010-2020. The SimGrid Team. All rights reserved. */
+/* Copyright (c) 2010-2023. 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 "simgrid/Exception.hpp"
-#include "simgrid/kernel/routing/NetPoint.hpp"
+#include <simgrid/Exception.hpp>
+#include <simgrid/kernel/routing/NetPoint.hpp>
+#include <simgrid/s4u/Engine.hpp>
+#include <xbt/random.hpp>
+
#include "src/instr/instr_private.hpp"
-#include "src/surf/network_interface.hpp"
-#include "src/surf/surf_private.hpp"
-#include "surf/surf.hpp"
-#include "xbt/random.hpp"
+#include "src/kernel/resource/StandardLinkImpl.hpp"
#include <algorithm>
#include <cmath>
XBT_LOG_NEW_DEFAULT_SUBCATEGORY (instr_api, instr, "API");
-std::set<std::string> created_categories;
-std::set<std::string> declared_marks;
-std::set<std::string> user_host_variables;
-std::set<std::string> user_vm_variables;
-std::set<std::string> user_link_variables;
-
-static xbt_dynar_t instr_set_to_dynar(const std::set<std::string>& filter)
-{
- if (not TRACE_is_enabled() || not TRACE_needs_platform())
- return nullptr;
-
- xbt_dynar_t ret = xbt_dynar_new (sizeof(char*), &xbt_free_ref);
- for (auto const& name : filter)
- xbt_dynar_push_as(ret, char*, xbt_strdup(name.c_str()));
-
- return ret;
-}
-
-/** @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 outcomes_vizu 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, nullptr);
-}
+static std::set<std::string, std::less<>> created_categories;
+static std::set<std::string, std::less<>> declared_marks;
+static std::set<std::string, std::less<>> user_host_variables;
+static std::set<std::string, std::less<>> user_vm_variables;
+static std::set<std::string, std::less<>> user_link_variables;
-/** @ingroup TRACE_category
- * @brief Declare a new category with a color.
- *
- * Same as #TRACE_category, but let user specify a color encoded as an 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 outcomes_vizu 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 outcomes_vizu 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 switches. tracing has to be activated and if platform is not traced, we can't deal with categories */
- if (not TRACE_is_enabled() || not TRACE_needs_platform())
- return;
-
- if (not(TRACE_categorized() && category != nullptr))
- return;
-
- //check if category is already created
- if (created_categories.find(category) != created_categories.end())
- return;
- else
- created_categories.insert(category);
-
- //define final_color
- std::string final_color;
- if (not color) {
- //generate a random color
- double red = simgrid::xbt::random::uniform_real(0.0, std::nextafter(1.0, 2.0));
- double green = simgrid::xbt::random::uniform_real(0.0, std::nextafter(1.0, 2.0));
- double blue = simgrid::xbt::random::uniform_real(0.0, std::nextafter(1.0, 2.0));
- final_color = std::to_string(red) + " " + std::to_string(green) + " " + std::to_string(blue);
- }else{
- final_color = std::string(color);
- }
-
- XBT_DEBUG("CAT,declare %s, \"%s\" \"%s\"", category, color, final_color.c_str());
-
- //define the type of this category on top of hosts and links
- 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 outcomes_vizu 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 ()
-{
- if (not TRACE_is_enabled() || not TRACE_categorized())
- return nullptr;
- return instr_set_to_dynar(created_categories);
-}
-
-/** @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 switches. tracing has to be activated and if platform is not traced, we can't deal with marks */
- if (not TRACE_is_enabled() || not TRACE_needs_platform())
- return;
-
- xbt_assert(mark_type, "mark_type is nullptr");
-
- //check if mark_type is already declared
- if (declared_marks.find(mark_type) != declared_marks.end()) {
- throw simgrid::TracingError(XBT_THROW_POINT,
- simgrid::xbt::string_printf("mark_type with name (%s) is already declared", mark_type));
- }
-
- XBT_DEBUG("MARK,declare %s", mark_type);
- simgrid::instr::Container::get_root()->type_->by_name_or_create<simgrid::instr::EventType>(mark_type);
- declared_marks.insert(mark_type);
-}
-
-/** @ingroup TRACE_mark
- * @brief Declare a new colored value for a previously declared mark type.
- *
- * This function declares a new colored value for a 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. 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. If a nullptr color is provided, the color used will
- * be white ("1 1 1").
- *
- * @param mark_type The name of the new type.
- * @param mark_value The name of the new value for this type.
- * @param mark_color The color of the new value for this type.
- *
- * @see TRACE_mark
- */
-void TRACE_declare_mark_value_with_color (const char *mark_type, const char *mark_value, const char *mark_color)
-{
- /* safe switches. tracing has to be activated and if platform is not traced, we can't deal with marks */
- if (not TRACE_is_enabled() || not TRACE_needs_platform())
- return;
-
- xbt_assert(mark_type, "mark_type is nullptr");
- xbt_assert(mark_value, "mark_value is nullptr");
-
- simgrid::instr::EventType* type =
- static_cast<simgrid::instr::EventType*>(simgrid::instr::Container::get_root()->type_->by_name(mark_type));
- if (not type) {
- throw simgrid::TracingError(XBT_THROW_POINT,
- simgrid::xbt::string_printf("mark_type with name (%s) is not declared", mark_type));
- } else {
- if (not mark_color)
- mark_color = "1.0 1.0 1.0" /*white*/;
-
- XBT_DEBUG("MARK,declare_value %s %s %s", mark_type, mark_value, mark_color);
- type->add_entity_value(mark_value, mark_color);
- }
-}
-
-/** @ingroup TRACE_mark
- * @brief Declare a new value for a previously declared mark type.
- *
- * This function declares a new value for a 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. Calling this function is the
- * same as calling @ref TRACE_declare_mark_value_with_color with a nullptr color.
- *
- * @param mark_type The name of the new type.
- * @param mark_value The name of the new value for this type.
- *
- * @see TRACE_mark
- */
-void TRACE_declare_mark_value (const char *mark_type, const char *mark_value)
-{
- TRACE_declare_mark_value_with_color (mark_type, mark_value, nullptr);
-}
-
-/**
- * @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 switches. tracing has to be activated and if platform is not traced, we can't deal with marks */
- if (not TRACE_is_enabled() || not TRACE_needs_platform())
- return;
-
- xbt_assert(mark_type, "mark_type is nullptr");
- xbt_assert(mark_value, "mark_value is nullptr");
-
- //check if mark_type is already declared
- simgrid::instr::EventType* type =
- static_cast<simgrid::instr::EventType*>(simgrid::instr::Container::get_root()->type_->by_name(mark_type));
- if (not type) {
- throw simgrid::TracingError(XBT_THROW_POINT,
- simgrid::xbt::string_printf("mark_type with name (%s) is not declared", mark_type));
- } else {
- XBT_DEBUG("MARK %s %s", mark_type, mark_value);
- new simgrid::instr::NewEvent(simgrid_get_clock(), simgrid::instr::Container::get_root(), type,
- type->get_entity_value(mark_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 ()
-{
- if (not TRACE_is_enabled())
- return nullptr;
-
- return instr_set_to_dynar(declared_marks);
-}
-
-static void instr_user_variable(double time, const char* resource, const char* variable_name, const char* father_type,
- double value, InstrUserVariable what, const char* color, std::set<std::string>* filter)
+static void instr_user_variable(double time, const std::string& resource, const std::string& variable_name,
+ const std::string& parent_type, double value, InstrUserVariable what,
+ const std::string& color, std::set<std::string, std::less<>>* filter)
{
/* safe switches. tracing has to be activated and if platform is not traced, we don't allow user variables */
if (not TRACE_is_enabled() || not TRACE_needs_platform())
return;
- //check if variable is already declared
+ // check if variable is already declared
auto created = filter->find(variable_name);
if (what == InstrUserVariable::DECLARE) {
if (created == filter->end()) { // not declared yet
filter->insert(variable_name);
- instr_new_user_variable_type(father_type, variable_name, color == nullptr ? "" : color);
+ instr_new_user_variable_type(parent_type, variable_name, color);
}
- }else{
+ } else {
if (created != filter->end()) { // declared, let's work
simgrid::instr::VariableType* variable =
simgrid::instr::Container::by_name(resource)->get_variable(variable_name);
- switch (what){
+ switch (what) {
case InstrUserVariable::SET:
variable->set_event(time, value);
break;
}
}
-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)
+static void instr_user_srcdst_variable(double time, const std::string& src, const std::string& dst,
+ const std::string& variable, double value, InstrUserVariable what)
{
- simgrid::kernel::routing::NetPoint* src_elm = sg_netpoint_by_name_or_null(src);
- if (not src_elm)
- xbt_die("Element '%s' not found!",src);
+ const auto* engine = simgrid::s4u::Engine::get_instance();
+ const auto* src_elm = engine->netpoint_by_name_or_null(src);
+ xbt_assert(src_elm, "Element '%s' not found!", src.c_str());
- simgrid::kernel::routing::NetPoint* dst_elm = sg_netpoint_by_name_or_null(dst);
- if (not dst_elm)
- xbt_die("Element '%s' not found!",dst);
+ const auto* dst_elm = engine->netpoint_by_name_or_null(dst);
+ xbt_assert(dst_elm, "Element '%s' not found!", dst.c_str());
- std::vector<simgrid::kernel::resource::LinkImpl*> route;
+ std::vector<simgrid::kernel::resource::StandardLinkImpl*> route;
simgrid::kernel::routing::NetZoneImpl::get_global_route(src_elm, dst_elm, route, nullptr);
for (auto const& link : route)
- instr_user_variable(time, link->get_cname(), variable, father_type, value, what, nullptr, &user_link_variables);
+ instr_user_variable(time, link->get_cname(), variable, "LINK", value, what, "", &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 zones are not represented in the output.
- *
- * @param filename The name of the file that will hold the graph.
+namespace simgrid::instr {
+/* for host variables */
+/** @brief Declare a new user variable associated to hosts.
*
- * @return 1 of successful, 0 otherwise.
+ * 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 if
+ * not given as parameter.
*/
-int TRACE_platform_graph_export_graphviz (const char *filename)
+void declare_host_variable(const std::string& variable, const std::string& color)
{
- simgrid::instr::platform_graph_export_graphviz(filename);
- return 1;
+ instr_user_variable(0, "", variable, "HOST", 0, InstrUserVariable::DECLARE, color, &user_host_variables);
}
-/*
- * 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 VM variables */
-/** @ingroup TRACE_user_variables
- * @brief Declare a new user variable associated to VMs.
- *
- * Declare a user variable that will be associated to VMs. A user vm variable can be used to trace user variables
- * such as the number of tasks in a VM, the number of clients in an application (for VMs), 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_vm_variable_declare_with_color
- */
-void TRACE_vm_variable_declare (const char *variable)
+void set_host_variable(const std::string& host, const std::string& variable, double value, double time)
{
- instr_user_variable(0, nullptr, variable, "VM", 0, InstrUserVariable::DECLARE, nullptr, &user_vm_variables);
+ instr_user_variable(time, host, variable, "HOST", value, InstrUserVariable::SET, "", &user_host_variables);
}
-/** @ingroup TRACE_user_variables
- * @brief Declare a new user variable associated to VMs with a color.
- *
- * Same as #TRACE_vm_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_vm_variable_declare_with_color (const char *variable, const char *color)
+/** @brief Add a value to a variable of a host */
+void add_host_variable(const std::string& host, const std::string& variable, double value, double time)
{
- instr_user_variable(0, nullptr, variable, "VM", 0, InstrUserVariable::DECLARE, color, &user_vm_variables);
+ instr_user_variable(time, host, variable, "HOST", value, InstrUserVariable::ADD, "", &user_host_variables);
}
-/** @ingroup TRACE_user_variables
- * @brief Set the value of a variable of a host.
- *
- * @param vm The name of the VM to be considered.
- * @param variable The name of the variable to be considered.
- * @param value The new value of the variable.
- *
- * @see TRACE_vm_variable_declare, TRACE_vm_variable_add, TRACE_vm_variable_sub
- */
-void TRACE_vm_variable_set (const char *vm, const char *variable, double value)
+/** @brief Subtract a value to a variable of a host */
+void sub_host_variable(const std::string& host, const std::string& variable, double value, double time)
{
- TRACE_vm_variable_set_with_time(simgrid_get_clock(), vm, variable, value);
+ instr_user_variable(time, host, variable, "HOST", value, InstrUserVariable::SUB, "", &user_host_variables);
}
-/** @ingroup TRACE_user_variables
- * @brief Add a value to a variable of a VM.
- *
- * @param vm The name of the VM 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_vm_variable_declare, TRACE_vm_variable_set, TRACE_vm_variable_sub
- */
-void TRACE_vm_variable_add (const char *vm, const char *variable, double value)
+/** @brief Get host variables that were already declared with #declare_host_variable. */
+const std::set<std::string, std::less<>>& get_host_variables()
{
- TRACE_vm_variable_add_with_time(simgrid_get_clock(), vm, variable, value);
+ return user_host_variables;
}
-/** @ingroup TRACE_user_variables
- * @brief Subtract a value from a variable of a VM.
- *
- * @param vm The name of the vm to be considered.
- * @param variable The name of the variable to be considered.
- * @param value The value to be subtracted from the variable.
+/* for link variables */
+/** @brief Declare a new user variable associated to links.
*
- * @see TRACE_vm_variable_declare, TRACE_vm_variable_set, TRACE_vm_variable_add
+ * 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 if not given as
+ * parameter.
*/
-void TRACE_vm_variable_sub (const char *vm, const char *variable, double value)
+void declare_link_variable(const std::string& variable, const std::string& color)
{
- TRACE_vm_variable_sub_with_time(simgrid_get_clock(), vm, variable, value);
+ instr_user_variable(0, "", variable, "LINK", 0, InstrUserVariable::DECLARE, color, &user_link_variables);
}
-/** @ingroup TRACE_user_variables
- * @brief Set the value of a variable of a VM at a given timestamp.
- *
- * Same as #TRACE_vm_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 vm The name of the VM to be considered.
- * @param variable The name of the variable to be considered.
- * @param value The new value of the variable.
- *
- * @see TRACE_vm_variable_declare, TRACE_vm_variable_add_with_time, TRACE_vm_variable_sub_with_time
- */
-void TRACE_vm_variable_set_with_time (double time, const char *vm, const char *variable, double value)
+/** @brief Set the value of a variable of a link */
+void set_link_variable(const std::string& link, const std::string& variable, double value, double time)
{
- instr_user_variable(time, vm, variable, "VM", value, InstrUserVariable::SET, nullptr, &user_vm_variables);
+ instr_user_variable(time, link, variable, "LINK", value, InstrUserVariable::SET, "", &user_link_variables);
}
-/** @ingroup TRACE_user_variables
- * @brief Add a value to a variable of a VM at a given timestamp.
- *
- * Same as #TRACE_vm_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 vm The name of the VM 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_vm_variable_declare, TRACE_vm_variable_set_with_time, TRACE_vm_variable_sub_with_time
- */
-void TRACE_vm_variable_add_with_time (double time, const char *vm, const char *variable, double value)
+void set_link_variable(const std::string& src, const std::string& dst, const std::string& variable, double value,
+ double time)
{
- instr_user_variable(time, vm, variable, "VM", value, InstrUserVariable::ADD, nullptr, &user_vm_variables);
+ instr_user_srcdst_variable(time, src, dst, variable, value, InstrUserVariable::SET);
}
-/** @ingroup TRACE_user_variables
- * @brief Subtract a value from a variable of a VM at a given timestamp.
- *
- * Same as #TRACE_vm_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 vm The name of the VM 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_vm_variable_declare, TRACE_vm_variable_set_with_time, TRACE_vm_variable_add_with_time
- */
-void TRACE_vm_variable_sub_with_time (double time, const char *vm, const char *variable, double value)
+/** @brief Add a value to a variable of a link */
+void add_link_variable(const std::string& link, const std::string& variable, double value, double time)
{
- instr_user_variable(time, vm, variable, "VM", value, InstrUserVariable::SUB, nullptr, &user_vm_variables);
+ instr_user_variable(time, link, variable, "LINK", value, InstrUserVariable::ADD, "", &user_link_variables);
}
-/* 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)
+/** @brief Add a value to a variable of a link */
+void add_link_variable(const std::string& src, const std::string& dst, const std::string& variable, double value,
+ double time)
{
- instr_user_variable(0, nullptr, variable, "HOST", 0, InstrUserVariable::DECLARE, nullptr, &user_host_variables);
+ instr_user_srcdst_variable(time, src, dst, variable, value, InstrUserVariable::ADD);
}
-/** @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)
+/** @brief Subtract a value to a variable of a link */
+void sub_link_variable(const std::string& link, const std::string& variable, double value, double time)
{
- instr_user_variable(0, nullptr, variable, "HOST", 0, InstrUserVariable::DECLARE, color, &user_host_variables);
+ instr_user_variable(time, link, variable, "LINK", value, InstrUserVariable::SUB, "", &user_link_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)
+/** @brief Subtract a value to a variable of a link */
+void sub_link_variable(const std::string& src, const std::string& dst, const std::string& variable, double value,
+ double time)
{
- TRACE_host_variable_set_with_time(simgrid_get_clock(), host, variable, value);
+ instr_user_srcdst_variable(time, src, dst, variable, value, InstrUserVariable::SUB);
}
-/** @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)
+/** @brief Get link variables that were already declared with #declare_link_variable. */
+const std::set<std::string, std::less<>>& get_link_variables()
{
- TRACE_host_variable_add_with_time(simgrid_get_clock(), host, variable, value);
+ return user_link_variables;
}
-/** @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.
+/* for VM variables */
+/** @brief Declare a new user variable associated to VMs.
*
- * @see TRACE_host_variable_declare, TRACE_host_variable_set, TRACE_host_variable_add
+ * Declare a user variable that will be associated to VMs. A user host variable can be used to trace user variables
+ * such as the number of tasks in a VM, the number of clients in an application (for hosts), and so on. The color
+ * associated to this new variable will be random if not given as parameter.
*/
-void TRACE_host_variable_sub (const char *host, const char *variable, double value)
+void declare_vm_variable(const std::string& variable, const std::string& color)
{
- TRACE_host_variable_sub_with_time(simgrid_get_clock(), host, variable, value);
+ instr_user_variable(0, "", variable, "VM", 0, InstrUserVariable::DECLARE, color, &user_vm_variables);
}
-/** @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)
+/** @brief Set the value of a variable of a vm */
+void set_vm_variable(const std::string& vm, const std::string& variable, double value, double time)
{
- instr_user_variable(time, host, variable, "HOST", value, InstrUserVariable::SET, nullptr, &user_host_variables);
+ instr_user_variable(time, vm, variable, "VM", value, InstrUserVariable::SET, "", &user_vm_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)
+/** @brief Add a value to a variable of a VM */
+void add_vm_variable(const std::string& vm, const std::string& variable, double value, double time)
{
- instr_user_variable(time, host, variable, "HOST", value, InstrUserVariable::ADD, nullptr, &user_host_variables);
+ instr_user_variable(time, vm, variable, "VM", value, InstrUserVariable::ADD, "", &user_vm_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)
+/** @brief Subtract a value from a variable of a VM */
+void sub_vm_variable(const std::string& vm, const std::string& variable, double value, double time)
{
- instr_user_variable(time, host, variable, "HOST", value, InstrUserVariable::SUB, nullptr, &user_host_variables);
+ instr_user_variable(time, vm, variable, "VM", value, InstrUserVariable::SUB, "", &user_vm_variables);
}
-/** @ingroup TRACE_user_variables
- * @brief Get declared user host variables
- *
- * This function should be used to get host variables that were already declared with #TRACE_host_variable_declare or
- * with #TRACE_host_variable_declare_with_color.
- *
- * @return A dynar with the declared host variables, must be freed with xbt_dynar_free.
- */
-xbt_dynar_t TRACE_get_host_variables ()
+/** @brief Get VM variables that were already declared with #declare_vm_variable. */
+const std::set<std::string, std::less<>>& get_vm_variables()
{
- return instr_set_to_dynar(user_host_variables);
+ return user_vm_variables;
}
-/* for link variables */
-/** @ingroup TRACE_user_variables
- * @brief Declare a new user variable associated to links.
+/**@brief Declare a new type for tracing mark.
*
- * 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
+ * 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.
*/
-void TRACE_link_variable_declare (const char *variable)
+void declare_mark(const std::string& mark_type)
{
- instr_user_variable(0, nullptr, variable, "LINK", 0, InstrUserVariable::DECLARE, nullptr, &user_link_variables);
-}
+ /* safe switches. tracing has to be activated and if platform is not traced, we can't deal with marks */
+ if (not TRACE_is_enabled() || not TRACE_needs_platform())
+ return;
-/** @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, nullptr, variable, "LINK", 0, InstrUserVariable::DECLARE, color, &user_link_variables);
-}
+ // check if mark_type is already declared
+ if (declared_marks.find(mark_type) != declared_marks.end()) {
+ throw TracingError(XBT_THROW_POINT,
+ xbt::string_printf("mark_type with name (%s) is already declared", mark_type.c_str()));
+ }
-/** @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(simgrid_get_clock(), link, variable, value);
+ XBT_DEBUG("MARK,declare %s", mark_type.c_str());
+ Container::get_root()->get_type()->by_name_or_create<EventType>(mark_type);
+ declared_marks.emplace(mark_type);
}
-/** @ingroup TRACE_user_variables
- * @brief Add a value to a variable of a link.
+/** @brief Declare a new colored value for a previously declared mark type.
*
- * @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
+ * This function declares a new colored value for a 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. 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. If no color is provided, the default color used
+ * will be white ("1 1 1").
*/
-void TRACE_link_variable_add (const char *link, const char *variable, double value)
+void declare_mark_value(const std::string& mark_type, const std::string& mark_value, const std::string& mark_color)
{
- TRACE_link_variable_add_with_time(simgrid_get_clock(), link, variable, value);
-}
+ /* safe switches. tracing has to be activated and if platform is not traced, we can't deal with marks */
+ if (not TRACE_is_enabled() || not TRACE_needs_platform())
+ return;
-/** @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(simgrid_get_clock(), link, variable, value);
+ auto* type = static_cast<EventType*>(Container::get_root()->get_type()->by_name(mark_type));
+ if (not type) {
+ throw TracingError(XBT_THROW_POINT,
+ xbt::string_printf("mark_type with name (%s) is not declared", mark_type.c_str()));
+ } else {
+ XBT_DEBUG("MARK, declare_value %s %s %s", mark_type.c_str(), mark_value.c_str(), mark_color.c_str());
+ type->add_entity_value(mark_value, mark_color);
+ }
}
-/** @ingroup TRACE_user_variables
- * @brief Set the value of a variable of a link at a given timestamp.
+/** @brief Create a new instance of a tracing mark type.
*
- * 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
+ * This function creates a mark in the trace file. The first parameter had to be previously declared using
+ * #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.
*/
-void TRACE_link_variable_set_with_time (double time, const char *link, const char *variable, double value)
+void mark(const std::string& mark_type, const std::string& mark_value)
{
- instr_user_variable(time, link, variable, "LINK", value, InstrUserVariable::SET, nullptr, &user_link_variables);
-}
+ /* safe switches. tracing has to be activated and if platform is not traced, we can't deal with marks */
+ if (not TRACE_is_enabled() || not TRACE_needs_platform())
+ return;
-/** @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, InstrUserVariable::ADD, nullptr, &user_link_variables);
+ // check if mark_type is already declared
+ auto* type = static_cast<EventType*>(Container::get_root()->get_type()->by_name(mark_type));
+ if (not type) {
+ throw TracingError(XBT_THROW_POINT,
+ xbt::string_printf("mark_type with name (%s) is not declared", mark_type.c_str()));
+ } else {
+ XBT_DEBUG("MARK %s %s", mark_type.c_str(), mark_value.c_str());
+ new NewEvent(simgrid_get_clock(), Container::get_root(), type, type->get_entity_value(mark_value));
+ }
}
-/** @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)
+/** @brief Get marks that were already declared with #declare_mark. */
+const std::set<std::string, std::less<>>& get_marks()
{
- instr_user_variable(time, link, variable, "LINK", value, InstrUserVariable::SUB, nullptr, &user_link_variables);
+ return declared_marks;
}
-/* 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.
+/** @brief Declare a new category.
*
- * @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.
+ * 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 TRACE_link_variable_declare, TRACE_link_srcdst_variable_add, TRACE_link_srcdst_variable_sub
+ * See @ref outcomes_vizu for details on how to trace the (categorized) resource utilization.
*/
-void TRACE_link_srcdst_variable_set (const char *src, const char *dst, const char *variable, double value)
+void declare_tracing_category(const std::string& name, const std::string& color)
{
- TRACE_link_srcdst_variable_set_with_time(simgrid_get_clock(), src, dst, variable, value);
-}
+ /* safe switches. tracing has to be activated and if platform is not traced, we can't deal with categories */
+ if (not TRACE_is_enabled() || not TRACE_needs_platform() || not TRACE_categorized())
+ return;
-/** @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(simgrid_get_clock(), src, dst, variable, value);
-}
+ // check if category is already created
+ if (created_categories.find(name) != created_categories.end())
+ return;
-/** @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(simgrid_get_clock(), src, dst, variable, value);
-}
+ created_categories.emplace(name);
-/** @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, InstrUserVariable::SET);
-}
+ // define final_color
+ std::string final_color;
+ if (color.empty()) {
+ // generate a random color
+ double red = simgrid::xbt::random::uniform_real(0.0, std::nextafter(1.0, 2.0));
+ double green = simgrid::xbt::random::uniform_real(0.0, std::nextafter(1.0, 2.0));
+ double blue = simgrid::xbt::random::uniform_real(0.0, std::nextafter(1.0, 2.0));
+ final_color = std::to_string(red) + " " + std::to_string(green) + " " + std::to_string(blue);
+ } else {
+ final_color = color;
+ }
-/** @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, InstrUserVariable::ADD);
-}
+ XBT_DEBUG("CAT,declare %s, \"%s\" \"%s\"", name.c_str(), color.c_str(), final_color.c_str());
-/** @ingroup TRACE_user_variables
- * @brief Subtract a value from the variable present in the links connecting source and dest. 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, InstrUserVariable::SUB);
+ // define the type of this category on top of hosts and links
+ instr_new_variable_type(name, final_color);
}
-/** @ingroup TRACE_user_variables
- * @brief Get declared user link variables
- *
- * This function should be used to get link variables that were already declared with #TRACE_link_variable_declare or
- * with #TRACE_link_variable_declare_with_color.
+/** @brief Get categories that were already declared with #declare_tracing_category.
*
- * @return A dynar with the declared link variables, must be freed with xbt_dynar_free.
+ * See @ref outcomes_vizu for details on how to trace the (categorized) resource utilization.
*/
-xbt_dynar_t TRACE_get_link_variables ()
+const std::set<std::string, std::less<>>& get_tracing_categories()
{
- return instr_set_to_dynar(user_link_variables);
+ return created_categories;
}
+} // namespace simgrid::instr
+
/** @ingroup TRACE_user_variables
* @brief Declare a new user state associated to hosts.
*
* @param state_name The name of the state previously declared.
* @param value_name The new value of the state.
*
- * @see TRACE_host_state_declare, TRACE_host_push_state, TRACE_host_pop_state, TRACE_host_reset_state
+ * @see TRACE_host_state_declare, TRACE_host_push_state, TRACE_host_pop_state
*/
void TRACE_host_set_state(const char* host, const char* state_name, const char* value_name)
{
* @param state_name The name of the state previously declared.
* @param value_name The value to be pushed.
*
- * @see TRACE_host_state_declare, TRACE_host_set_state, TRACE_host_pop_state, TRACE_host_reset_state
+ * @see TRACE_host_state_declare, TRACE_host_set_state, TRACE_host_pop_state
*/
void TRACE_host_push_state(const char* host, const char* state_name, const char* value_name)
{
* @param host The name of the host to be considered.
* @param state_name The name of the state to be popped.
*
- * @see TRACE_host_state_declare, TRACE_host_set_state, TRACE_host_push_state, TRACE_host_reset_state
+ * @see TRACE_host_state_declare, TRACE_host_set_state, TRACE_host_push_state
*/
void TRACE_host_pop_state(const char* host, const char* state_name)
{