src/kernel/resource/profile/Profile_test.cpp

   1 /* Copyright (c) 2017-2020. The SimGrid Team. All rights reserved.               */
   2
   3 /* This program is free software; you can redistribute it and/or modify it
   4  * under the terms of the license (GNU LGPL) which comes with this package. */
   5
   6 #include "catch.hpp"
   7
   8 #include "simgrid/kernel/resource/Resource.hpp"
   9 #include "src/kernel/resource/profile/DatedValue.hpp"
  10 #include "src/kernel/resource/profile/Event.hpp"
  11 #include "src/kernel/resource/profile/Profile.hpp"
  12 #include "src/surf/surf_interface.hpp"
  13
  14 #include "xbt/log.h"
  15 #include "xbt/misc.h"
  16
  17 #include <cmath>
  18
  19 XBT_LOG_NEW_DEFAULT_CATEGORY(unit, "Unit tests of the Trace Manager");
  20
  21 double thedate;
  22 class MockedResource : public simgrid::kernel::resource::Resource {
  23 public:
  24   explicit MockedResource() : simgrid::kernel::resource::Resource(nullptr, "fake", nullptr) {}
  25   void apply_event(simgrid::kernel::profile::Event* event, double value) override
  26   {
  27     XBT_VERB("t=%.1f: Change value to %lg (idx: %u)", thedate, value, event->idx);
  28     tmgr_trace_event_unref(&event);
  29   }
  30   bool is_used() const override { return true; }
  31 };
  32
  33 static std::vector<simgrid::kernel::profile::DatedValue> trace2vector(const char* str)
  34 {
  35   std::vector<simgrid::kernel::profile::DatedValue> res;
  36   simgrid::kernel::profile::Profile* trace = simgrid::kernel::profile::Profile::from_string("TheName", str, 0);
  37   XBT_VERB("---------------------------------------------------------");
  38   XBT_VERB("data>>\n%s<<data\n", str);
  39   for (auto const& evt : trace->event_list)
  40     XBT_VERB("event: d:%lg v:%lg", evt.date_, evt.value_);
  41
  42   MockedResource daResource;
  43   simgrid::kernel::profile::FutureEvtSet fes;
  44   simgrid::kernel::profile::Event* insertedIt = trace->schedule(&fes, &daResource);
  45
  46   while (fes.next_date() <= 20.0 && fes.next_date() >= 0) {
  47     thedate = fes.next_date();
  48     double value;
  49     simgrid::kernel::resource::Resource* resource;
  50     simgrid::kernel::profile::Event* it = fes.pop_leq(thedate, &value, &resource);
  51     if (it == nullptr)
  52       continue;
  53
  54     REQUIRE(it == insertedIt); // Check that we find what we've put
  55     if (value >= 0) {
  56       res.emplace_back(thedate, value);
  57     } else {
  58       XBT_DEBUG("%.1f: ignore an event (idx: %u)\n", thedate, it->idx);
  59     }
  60     resource->apply_event(it, value);
  61   }
  62   tmgr_finalize();
  63   return res;
  64 }
  65
  66 TEST_CASE("kernel::profile: Resource profiles, defining the external load", "kernel::profile")
  67 {
  68   SECTION("No event, no loop")
  69   {
  70     std::vector<simgrid::kernel::profile::DatedValue> got = trace2vector("");
  71     std::vector<simgrid::kernel::profile::DatedValue> want;
  72     REQUIRE(want == got);
  73   }
  74
  75   SECTION("One event no loop")
  76   {
  77     std::vector<simgrid::kernel::profile::DatedValue> got = trace2vector("9.0 3.0\n");
  78
  79     std::vector<simgrid::kernel::profile::DatedValue> want;
  80     want.emplace_back(9, 3);
  81     REQUIRE(want == got);
  82   }
  83
  84   SECTION("Two events, no loop")
  85   {
  86     std::vector<simgrid::kernel::profile::DatedValue> got = trace2vector("3.0 1.0\n"
  87                                                                          "9.0 3.0\n");
  88
  89     std::vector<simgrid::kernel::profile::DatedValue> want;
  90     want.emplace_back(3, 1);
  91     want.emplace_back(9, 3);
  92
  93     REQUIRE(want == got);
  94   }
  95
  96   SECTION("Three events, no loop")
  97   {
  98     std::vector<simgrid::kernel::profile::DatedValue> got = trace2vector("3.0 1.0\n"
  99                                                                          "5.0 2.0\n"
 100                                                                          "9.0 3.0\n");
 101
 102     std::vector<simgrid::kernel::profile::DatedValue> want;
 103     want.emplace_back(3, 1);
 104     want.emplace_back(5, 2);
 105     want.emplace_back(9, 3);
 106
 107     REQUIRE(want == got);
 108   }
 109
 110   SECTION("Two events, looping")
 111   {
 112     std::vector<simgrid::kernel::profile::DatedValue> got = trace2vector("1.0 1.0\n"
 113                                                                          "3.0 3.0\n"
 114                                                                          "LOOPAFTER 2\n");
 115
 116     std::vector<simgrid::kernel::profile::DatedValue> want;
 117     want.emplace_back(1, 1);
 118     want.emplace_back(3, 3);
 119     want.emplace_back(6, 1);
 120     want.emplace_back(8, 3);
 121     want.emplace_back(11, 1);
 122     want.emplace_back(13, 3);
 123     want.emplace_back(16, 1);
 124     want.emplace_back(18, 3);
 125
 126     REQUIRE(want == got);
 127   }
 128
 129   SECTION("Two events, looping, start at 0")
 130   {
 131     std::vector<simgrid::kernel::profile::DatedValue> got = trace2vector("0.0 1\n"
 132                                                                          "5.0 2\n"
 133                                                                          "LOOPAFTER 5\n");
 134
 135     std::vector<simgrid::kernel::profile::DatedValue> want;
 136     want.emplace_back(0, 1);
 137     want.emplace_back(5, 2);
 138     want.emplace_back(10, 1);
 139     want.emplace_back(15, 2);
 140     want.emplace_back(20, 1);
 141
 142     REQUIRE(want == got);
 143   }
 144 }