+++ /dev/null
-/* Copyright (c) 2004-2019. 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 "xbt/sysdep.h"
-#include "xbt/log.h"
-
-#include "src/surf/surf_interface.hpp"
-#include "src/surf/trace_mgr.hpp"
-#include "surf_private.hpp"
-#include <boost/algorithm/string.hpp>
-#include <boost/algorithm/string/join.hpp>
-#include <boost/algorithm/string/split.hpp>
-#include <cmath>
-#include <fstream>
-#include <sstream>
-#include <unordered_map>
-
-XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_trace, surf, "Surf trace management");
-
-static std::unordered_map<std::string, simgrid::kernel::profile::Profile*> trace_list;
-
-static inline bool doubleEq(double d1, double d2)
-{
- return fabs(d1 - d2) < 0.0001;
-}
-namespace simgrid {
-namespace kernel {
-namespace profile {
-
-bool DatedValue::operator==(DatedValue const& e2) const
-{
- return (doubleEq(date_, e2.date_)) && (doubleEq(value_, e2.value_));
-}
-std::ostream& operator<<(std::ostream& out, const DatedValue& e)
-{
- out << e.date_ << " " << e.value_;
- return out;
-}
-
-Profile::Profile()
-{
- /* Add the first fake event storing the time at which the trace begins */
- DatedValue val(0, -1);
- event_list.push_back(val);
-}
-Profile::~Profile() = default;
-FutureEvtSet::FutureEvtSet() = default;
-FutureEvtSet::~FutureEvtSet()
-{
- while (not heap_.empty()) {
- delete heap_.top().second;
- heap_.pop();
- }
-}
-} // namespace profile
-} // namespace kernel
-} // namespace simgrid
-
-simgrid::kernel::profile::Profile* tmgr_trace_new_from_string(std::string name, std::string input, double periodicity)
-{
- int linecount = 0;
- simgrid::kernel::profile::Profile* trace = new simgrid::kernel::profile::Profile();
- simgrid::kernel::profile::DatedValue* last_event = &(trace->event_list.back());
-
- xbt_assert(trace_list.find(name) == trace_list.end(), "Refusing to define trace %s twice", name.c_str());
-
- std::vector<std::string> list;
- boost::split(list, input, boost::is_any_of("\n\r"));
- for (auto val : list) {
- simgrid::kernel::profile::DatedValue event;
- linecount++;
- boost::trim(val);
- if (val[0] == '#' || val[0] == '\0' || val[0] == '%') // pass comments
- continue;
- if (sscanf(val.c_str(), "PERIODICITY %lg\n", &periodicity) == 1)
- continue;
- if (sscanf(val.c_str(), "LOOPAFTER %lg\n", &periodicity) == 1)
- continue;
-
- xbt_assert(sscanf(val.c_str(), "%lg %lg\n", &event.date_, &event.value_) == 2, "%s:%d: Syntax error in trace\n%s",
- name.c_str(), linecount, input.c_str());
-
- xbt_assert(last_event->date_ <= event.date_,
- "%s:%d: Invalid trace: Events must be sorted, but time %g > time %g.\n%s", name.c_str(), linecount,
- last_event->date_, event.date_, input.c_str());
- last_event->date_ = event.date_ - last_event->date_;
-
- trace->event_list.push_back(event);
- last_event = &(trace->event_list.back());
- }
- if (last_event) {
- if (periodicity > 0) {
- last_event->date_ = periodicity + trace->event_list.at(0).date_;
- } else {
- last_event->date_ = -1;
- }
- }
-
- trace_list.insert({name, trace});
-
- return trace;
-}
-
-simgrid::kernel::profile::Profile* tmgr_trace_new_from_file(std::string filename)
-{
- xbt_assert(not filename.empty(), "Cannot parse a trace from an empty filename");
- xbt_assert(trace_list.find(filename) == trace_list.end(), "Refusing to define trace %s twice", filename.c_str());
-
- std::ifstream* f = surf_ifsopen(filename);
- xbt_assert(not f->fail(), "Cannot open file '%s' (path=%s)", filename.c_str(), (boost::join(surf_path, ":")).c_str());
-
- std::stringstream buffer;
- buffer << f->rdbuf();
- delete f;
-
- return tmgr_trace_new_from_string(filename, buffer.str(), -1);
-}
-namespace simgrid {
-namespace kernel {
-namespace profile {
-
-/** @brief Registers a new trace into the future event set, and get an iterator over the integrated trace */
-Event* FutureEvtSet::add_trace(Profile* profile, resource::Resource* resource)
-{
- Event* event = new Event();
- event->profile = profile;
- event->idx = 0;
- event->resource = resource;
- event->free_me = false;
-
- xbt_assert((event->idx < profile->event_list.size()), "Your profile should have at least one event!");
-
- heap_.emplace(0.0 /* start time */, event);
-
- return event;
-}
-
-/** @brief returns the date of the next occurring event */
-double FutureEvtSet::next_date() const
-{
- return heap_.empty() ? -1.0 : heap_.top().first;
-}
-
-/** @brief Retrieves the next occurring event, or nullptr if none happens before date */
-Event* FutureEvtSet::pop_leq(double date, double* value, resource::Resource** resource)
-{
- double event_date = next_date();
- if (event_date > date)
- return nullptr;
-
- if (heap_.empty())
- return nullptr;
- Event* event = heap_.top().second;
- heap_.pop();
-
- Profile* profile = event->profile;
- *resource = event->resource;
-
- DatedValue dateVal = profile->event_list.at(event->idx);
-
- *value = dateVal.value_;
-
- if (event->idx < profile->event_list.size() - 1) {
- heap_.emplace(event_date + dateVal.date_, event);
- event->idx++;
- } else if (dateVal.date_ > 0) { /* Last element. Shall we loop? */
- heap_.emplace(event_date + dateVal.date_, event);
- event->idx = 1; /* idx=0 is a placeholder to store when events really start */
- } else { /* If we don't loop, we don't need this event anymore */
- event->free_me = true;
- }
-
- return event;
-}
-} // namespace profile
-} // namespace kernel
-} // namespace simgrid
-void tmgr_finalize()
-{
- for (auto const& kv : trace_list)
- delete kv.second;
- trace_list.clear();
-}
-
-void tmgr_trace_event_unref(simgrid::kernel::profile::Event** event)
-{
- if ((*event)->free_me) {
- delete *event;
- *event = nullptr;
- }
-}
