-/* Copyright (c) 2004-2019. The SimGrid Team. All rights reserved. */
+/* Copyright (c) 2004-2022. 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 "src/kernel/resource/profile/Profile.hpp"
-#include "simgrid/forward.h"
-#include "src/kernel/resource/profile/DatedValue.hpp"
+#include "xbt/asserts.h"
#include "src/kernel/resource/profile/Event.hpp"
#include "src/kernel/resource/profile/FutureEvtSet.hpp"
+#include "src/kernel/resource/profile/StochasticDatedValue.hpp"
#include "src/surf/surf_interface.hpp"
#include <boost/algorithm/string.hpp>
#include <fstream>
+#include <memory>
#include <ostream>
+#include <sstream>
#include <unordered_map>
+#include <utility>
#include <vector>
+#include <string>
static std::unordered_map<std::string, simgrid::kernel::profile::Profile*> trace_list;
-namespace simgrid {
-namespace kernel {
-namespace profile {
-
-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;
+namespace simgrid::kernel::profile {
/** @brief Register this profile for that resource onto that FES,
* and get an iterator over the integrated trace */
Event* Profile::schedule(FutureEvtSet* fes, resource::Resource* resource)
{
- Event* event = new Event();
+ auto* event = new Event();
event->profile = this;
event->idx = 0;
event->resource = resource;
event->free_me = false;
- xbt_assert((event->idx < event_list.size()), "Your profile should have at least one event!");
-
fes_ = fes;
- fes_->add_event(0.0 /* start time */, event);
+ if (get_enough_events(0)) {
+ fes_->add_event(event_list[0].date_, event);
+ } else {
+ event->free_me = true;
+ tmgr_trace_event_unref(&event);
+ }
return event;
}
DatedValue Profile::next(Event* event)
{
double event_date = fes_->next_date();
+
DatedValue dateVal = event_list.at(event->idx);
- if (event->idx < event_list.size() - 1) {
- fes_->add_event(event_date + dateVal.date_, event);
- event->idx++;
- } else if (dateVal.date_ > 0) { /* Last element. Shall we loop? */
- fes_->add_event(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->idx++;
+
+ if (get_enough_events(event->idx)) {
+ const DatedValue& nextDateVal = event_list[event->idx];
+ xbt_assert(nextDateVal.date_>=0);
+ xbt_assert(nextDateVal.value_>=0);
+ fes_->add_event(event_date +nextDateVal.date_, event);
+ } else {
event->free_me = true;
}
-
return dateVal;
}
-Profile* Profile::from_string(const std::string& name, const std::string& input, double periodicity)
+Profile::Profile(const std::string& name, const std::function<ProfileBuilder::UpdateCb>& cb, double repeat_delay)
+ : name(name), cb(cb), repeat_delay(repeat_delay)
{
- int linecount = 0;
- simgrid::kernel::profile::Profile* profile = new simgrid::kernel::profile::Profile();
- simgrid::kernel::profile::DatedValue* last_event = &(profile->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_ATTRIB_UNUSED int res = sscanf(val.c_str(), "%lg %lg\n", &event.date_, &event.value_);
- xbt_assert(res == 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_;
-
- profile->event_list.push_back(event);
- last_event = &(profile->event_list.back());
- }
- if (last_event) {
- if (periodicity > 0) {
- last_event->date_ = periodicity + profile->event_list.at(0).date_;
- } else {
- last_event->date_ = -1;
- }
- }
-
- trace_list.insert({name, profile});
-
- return profile;
-}
-Profile* Profile::from_file(const std::string& path)
-{
- xbt_assert(not path.empty(), "Cannot parse a trace from an empty filename");
- xbt_assert(trace_list.find(path) == trace_list.end(), "Refusing to define trace %s twice", path.c_str());
-
- std::ifstream* f = surf_ifsopen(path);
- xbt_assert(not f->fail(), "Cannot open file '%s' (path=%s)", path.c_str(), (boost::join(surf_path, ":")).c_str());
-
- std::stringstream buffer;
- buffer << f->rdbuf();
- delete f;
-
- return Profile::from_string(path, buffer.str(), -1);
+ trace_list.try_emplace(name, this);
+ get_enough_events(0);
}
-} // namespace profile
-} // namespace kernel
-} // namespace simgrid
+} // namespace simgrid::kernel::profile
void tmgr_finalize()
{
- for (auto const& kv : trace_list)
- delete kv.second;
+ for (auto const& [_, trace] : trace_list)
+ delete trace;
trace_list.clear();
}
