X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/da6335359a88e448e4a706353f33e542a2fb00e5..d4c5782fb4da7b7cf83b66df05197bd597796f70:/src/surf/trace_mgr.cpp diff --git a/src/surf/trace_mgr.cpp b/src/surf/trace_mgr.cpp index 4656258c5c..66e0d9e1c7 100644 --- a/src/surf/trace_mgr.cpp +++ b/src/surf/trace_mgr.cpp @@ -1,129 +1,126 @@ -/* Copyright (c) 2004-2005, 2007, 2009-2014. The SimGrid Team. +/* Copyright (c) 2004-2005, 2007, 2009-2014, 2016-2017. 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/dict.h" #include "xbt/log.h" -#include "xbt/str.h" #include "src/surf/surf_interface.hpp" #include "src/surf/trace_mgr.hpp" -#include "surf_private.h" +#include "surf_private.hpp" #include "xbt/RngStream.h" #include #include #include +#include #include -#include #include #include XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_trace, surf, "Surf trace management"); -static std::unordered_map trace_list; +namespace tmgr = simgrid::trace_mgr; -simgrid::trace_mgr::trace::trace()=default; -simgrid::trace_mgr::trace::~trace()=default; -simgrid::trace_mgr::future_evt_set::future_evt_set()=default; +static std::unordered_map trace_list; +static inline bool doubleEq(double d1, double d2) +{ + return fabs(d1 - d2) < 0.0001; +} +namespace simgrid { +namespace trace_mgr { + +bool DatedValue::operator==(DatedValue e2) +{ + 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; +} + +trace::trace() +{ + /* Add the first fake event storing the time at which the trace begins */ + tmgr::DatedValue val(0, -1); + event_list.push_back(val); +} +trace::~trace() = default; +future_evt_set::future_evt_set() = default; simgrid::trace_mgr::future_evt_set::~future_evt_set() { - xbt_heap_free(p_heap); + xbt_heap_free(heap_); +} +} } -tmgr_trace_t tmgr_trace_new_from_string(const char* name, std::string input, double periodicity) +tmgr_trace_t tmgr_trace_new_from_string(std::string name, std::string input, double periodicity) { int linecount = 0; - tmgr_event_t last_event = nullptr; + tmgr_trace_t trace = new simgrid::trace_mgr::trace(); + tmgr::DatedValue* last_event = &(trace->event_list.back()); - xbt_assert(trace_list.find(name) == trace_list.end(), "Refusing to define trace %s twice", name); - xbt_assert(periodicity >= 0, "Invalid periodicity %g (must be positive)", periodicity); - - tmgr_trace_t trace = new simgrid::trace_mgr::trace(); + xbt_assert(trace_list.find(name) == trace_list.end(), "Refusing to define trace %s twice", name.c_str()); std::vector list; boost::split(list, input, boost::is_any_of("\n\r")); for (auto val : list) { - s_tmgr_event_t event; + tmgr::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) + 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.delta, &event.value) == 2, - "%s:%d: Syntax error in trace\n%s", name, linecount, input.c_str()); + 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()); - if (last_event) { - xbt_assert(last_event->delta <= event.delta, - "%s:%d: Invalid trace: Events must be sorted, but time %g > time %g.\n%s", name, linecount, - last_event->delta, event.delta, 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_; - last_event->delta = event.delta - last_event->delta; - } else { - if(event.delta > 0.0){ - s_tmgr_event_t first_event; - first_event.delta=event.delta; - first_event.value=-1.0; - trace->event_list.push_back(first_event); - } - } trace->event_list.push_back(event); last_event = &(trace->event_list.back()); } - if (last_event) - last_event->delta = periodicity; + if (last_event) { + if (periodicity > 0) { + last_event->date_ = periodicity + trace->event_list.at(0).date_; + } else { + last_event->date_ = -1; + } + } - trace_list.insert({xbt_strdup(name), trace}); + trace_list.insert({name, trace}); return trace; } -tmgr_trace_t tmgr_trace_new_from_file(const char *filename) +tmgr_trace_t tmgr_trace_new_from_file(std::string filename) { - xbt_assert(filename && filename[0], "Cannot parse a trace from the null or empty filename"); - xbt_assert(trace_list.find(filename) == trace_list.end(), "Refusing to define trace %s twice", 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(!f->fail(), "Cannot open file '%s' (path=%s)", filename, (boost::join(surf_path, ":")).c_str()); + 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(); - tmgr_trace_t trace = tmgr_trace_new_from_string(filename, buffer.str(), 0.); - delete f; - return trace; -} - -tmgr_trace_t tmgr_empty_trace_new() -{ - tmgr_trace_t trace = new simgrid::trace_mgr::trace(); - s_tmgr_event_t event; - event.delta = 0.0; - event.value = 0.0; - trace->event_list.push_back(event); - - return trace; -} - -void tmgr_trace_free(tmgr_trace_t trace) -{ - delete trace; + return tmgr_trace_new_from_string(filename, buffer.str(), -1); } /** @brief Registers a new trace into the future event set, and get an iterator over the integrated trace */ -tmgr_trace_iterator_t simgrid::trace_mgr::future_evt_set::add_trace(tmgr_trace_t trace, double start_time, surf::Resource *resource) +tmgr_trace_event_t simgrid::trace_mgr::future_evt_set::add_trace(tmgr_trace_t trace, surf::Resource* resource) { - tmgr_trace_iterator_t trace_iterator = nullptr; + tmgr_trace_event_t trace_iterator = nullptr; trace_iterator = xbt_new0(s_tmgr_trace_event_t, 1); trace_iterator->trace = trace; @@ -132,7 +129,7 @@ tmgr_trace_iterator_t simgrid::trace_mgr::future_evt_set::add_trace(tmgr_trace_t xbt_assert((trace_iterator->idx < trace->event_list.size()), "Your trace should have at least one event!"); - xbt_heap_push(p_heap, trace_iterator, start_time); + xbt_heap_push(heap_, trace_iterator, 0. /*start_time*/); return trace_iterator; } @@ -140,38 +137,37 @@ tmgr_trace_iterator_t simgrid::trace_mgr::future_evt_set::add_trace(tmgr_trace_t /** @brief returns the date of the next occurring event (pure function) */ double simgrid::trace_mgr::future_evt_set::next_date() const { - if (xbt_heap_size(p_heap)) - return (xbt_heap_maxkey(p_heap)); - else - return -1.0; + if (xbt_heap_size(heap_)) + return (xbt_heap_maxkey(heap_)); + return -1.0; } /** @brief Retrieves the next occurring event, or nullptr if none happens before #date */ -tmgr_trace_iterator_t simgrid::trace_mgr::future_evt_set::pop_leq( - double date, double *value, simgrid::surf::Resource **resource) +tmgr_trace_event_t simgrid::trace_mgr::future_evt_set::pop_leq(double date, double* value, + simgrid::surf::Resource** resource) { double event_date = next_date(); if (event_date > date) return nullptr; - tmgr_trace_iterator_t trace_iterator = (tmgr_trace_iterator_t)xbt_heap_pop(p_heap); + tmgr_trace_event_t trace_iterator = (tmgr_trace_event_t)xbt_heap_pop(heap_); if (trace_iterator == nullptr) return nullptr; tmgr_trace_t trace = trace_iterator->trace; *resource = trace_iterator->resource; - tmgr_event_t event = &(trace->event_list.at(trace_iterator->idx)); + tmgr::DatedValue dateVal = trace->event_list.at(trace_iterator->idx); - *value = event->value; + *value = dateVal.value_; if (trace_iterator->idx < trace->event_list.size() - 1) { - xbt_heap_push(p_heap, trace_iterator, event_date + event->delta); + xbt_heap_push(heap_, trace_iterator, event_date + dateVal.date_); trace_iterator->idx++; - } else if (event->delta > 0) { /* Last element, checking for periodicity */ - xbt_heap_push(p_heap, trace_iterator, event_date + event->delta); - trace_iterator->idx = 1; /* not 0 as the first event is a placeholder to handle when events really start */ - } else { /* We don't need this trace_event anymore */ + } else if (dateVal.date_ > 0) { /* Last element. Shall we loop? */ + xbt_heap_push(heap_, trace_iterator, event_date + dateVal.date_); + trace_iterator->idx = 1; /* idx=0 is a placeholder to store when events really start */ + } else { /* If we don't loop, we don't need this trace_event anymore */ trace_iterator->free_me = 1; } @@ -180,13 +176,12 @@ tmgr_trace_iterator_t simgrid::trace_mgr::future_evt_set::pop_leq( void tmgr_finalize() { - for (auto kv : trace_list) { - xbt_free((char*)kv.first); + for (auto const& kv : trace_list) delete kv.second; - } + trace_list.clear(); } -void tmgr_trace_event_unref(tmgr_trace_iterator_t *trace_event) +void tmgr_trace_event_unref(tmgr_trace_event_t* trace_event) { if ((*trace_event)->free_me) { xbt_free(*trace_event);