src/surf/trace_mgr_test.cpp

   1 /* Copyright (c) 2017-2019. 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 #define CATCH_CONFIG_MAIN // This tells Catch to provide a main() - only do this in one cpp file
   7 #include "src/include/catch.hpp"
   8
   9 #include "simgrid/kernel/resource/Resource.hpp"
  10 #include "src/surf/surf_interface.hpp"
  11 #include "src/surf/trace_mgr.hpp"
  12
  13 #include "xbt/log.h"
  14 #include "xbt/misc.h"
  15
  16 #include <cmath>
  17
  18 XBT_LOG_NEW_DEFAULT_CATEGORY(unit, "Unit tests of the Trace Manager");
  19
  20 double thedate;
  21 class MockedResource : public simgrid::kernel::resource::Resource {
  22 public:
  23   explicit MockedResource() : simgrid::kernel::resource::Resource(nullptr, "fake", nullptr) {}
  24   void apply_event(simgrid::kernel::profile::Event* event, double value) override
  25   {
  26     XBT_VERB("t=%.1f: Change value to %lg (idx: %u)", thedate, value, event->idx);
  27     tmgr_trace_event_unref(&event);
  28   }
  29   bool is_used() override { return true; }
  30 };
  31
  32 static std::vector<simgrid::kernel::profile::DatedValue> trace2vector(const char* str)
  33 {
  34   std::vector<simgrid::kernel::profile::DatedValue> res;
  35
  36   simgrid::kernel::profile::Profile* trace = tmgr_trace_new_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 = fes.add_trace(trace, &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       resource->apply_event(it, value);
  57       res.push_back(simgrid::kernel::profile::DatedValue(thedate, value));
  58     } else {
  59       XBT_DEBUG("%.1f: ignore an event (idx: %u)\n", thedate, it->idx);
  60     }
  61   }
  62   tmgr_finalize();
  63   return res;
  64 }
  65
  66 /* Fails in a way that is difficult to test: xbt_assert should become throw
  67 BOOST_AUTO_TEST_CASE(no_evt_noloop) {
  68 }*/
  69 TEST_CASE("kernel::profile: Resource profiles, defining the external load", "kernel::profile")
  70 {
  71
  72   SECTION("No event, no loop")
  73   {
  74     std::vector<simgrid::kernel::profile::DatedValue> got = trace2vector("");
  75     std::vector<simgrid::kernel::profile::DatedValue> want;
  76     REQUIRE(want == got);
  77   }
  78
  79   SECTION("One event no loop")
  80   {
  81     std::vector<simgrid::kernel::profile::DatedValue> got = trace2vector("9.0 3.0\n");
  82
  83     std::vector<simgrid::kernel::profile::DatedValue> want;
  84     want.push_back(simgrid::kernel::profile::DatedValue(9, 3));
  85     REQUIRE(want == got);
  86   }
  87
  88   SECTION("Two events, no loop")
  89   {
  90     std::vector<simgrid::kernel::profile::DatedValue> got = trace2vector("3.0 1.0\n"
  91                                                                          "9.0 3.0\n");
  92
  93     std::vector<simgrid::kernel::profile::DatedValue> want;
  94     want.push_back(simgrid::kernel::profile::DatedValue(3, 1));
  95     want.push_back(simgrid::kernel::profile::DatedValue(9, 3));
  96
  97     REQUIRE(want == got);
  98   }
  99
 100   SECTION("Three events, no loop")
 101   {
 102
 103     std::vector<simgrid::kernel::profile::DatedValue> got = trace2vector("3.0 1.0\n"
 104                                                                          "5.0 2.0\n"
 105                                                                          "9.0 3.0\n");
 106
 107     std::vector<simgrid::kernel::profile::DatedValue> want;
 108     want.push_back(simgrid::kernel::profile::DatedValue(3, 1));
 109     want.push_back(simgrid::kernel::profile::DatedValue(5, 2));
 110     want.push_back(simgrid::kernel::profile::DatedValue(9, 3));
 111
 112     REQUIRE(want == got);
 113   }
 114
 115   SECTION("Two events, looping")
 116   {
 117     std::vector<simgrid::kernel::profile::DatedValue> got = trace2vector("1.0 1.0\n"
 118                                                                          "3.0 3.0\n"
 119                                                                          "LOOPAFTER 2\n");
 120
 121     std::vector<simgrid::kernel::profile::DatedValue> want;
 122     want.push_back(simgrid::kernel::profile::DatedValue(1, 1));
 123     want.push_back(simgrid::kernel::profile::DatedValue(3, 3));
 124     want.push_back(simgrid::kernel::profile::DatedValue(6, 1));
 125     want.push_back(simgrid::kernel::profile::DatedValue(8, 3));
 126     want.push_back(simgrid::kernel::profile::DatedValue(11, 1));
 127     want.push_back(simgrid::kernel::profile::DatedValue(13, 3));
 128     want.push_back(simgrid::kernel::profile::DatedValue(16, 1));
 129     want.push_back(simgrid::kernel::profile::DatedValue(18, 3));
 130
 131     REQUIRE(want == got);
 132   }
 133
 134   SECTION("Two events, looping, start at 0")
 135   {
 136     std::vector<simgrid::kernel::profile::DatedValue> got = trace2vector("0.0 1\n"
 137                                                                          "5.0 2\n"
 138                                                                          "LOOPAFTER 5\n");
 139
 140     std::vector<simgrid::kernel::profile::DatedValue> want;
 141     want.push_back(simgrid::kernel::profile::DatedValue(0, 1));
 142     want.push_back(simgrid::kernel::profile::DatedValue(5, 2));
 143     want.push_back(simgrid::kernel::profile::DatedValue(10, 1));
 144     want.push_back(simgrid::kernel::profile::DatedValue(15, 2));
 145     want.push_back(simgrid::kernel::profile::DatedValue(20, 1));
 146
 147     REQUIRE(want == got);
 148   }
 149 }