migrate execute_tasks from simix::Global to kernel::EngineImpl

[simgrid.git] / src / plugins / host_dvfs.cpp

diff --git a/src/plugins/host_dvfs.cpp b/src/plugins/host_dvfs.cpp
index 82c38aa..5becbc1 100644 (file)
--- a/src/plugins/host_dvfs.cpp
+++ b/src/plugins/host_dvfs.cpp
@@ -1,4 +1,4 @@
-/* Copyright (c) 2010-2020. The SimGrid Team. All rights reserved.          */
+/* Copyright (c) 2010-2021. 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. */
@@ -21,15 +21,19 @@
 
 SIMGRID_REGISTER_PLUGIN(host_dvfs, "Dvfs support", &sg_host_dvfs_plugin_init)
 
-static simgrid::config::Flag<double> cfg_sampling_rate("plugin/dvfs/sampling-rate", {"plugin/dvfs/sampling_rate"},
-    "How often should the dvfs plugin check whether the frequency needs to be changed?", 0.1,
-    [](double val){if (val != 0.1) sg_host_dvfs_plugin_init();});
+static simgrid::config::Flag<double>
+    cfg_sampling_rate("plugin/dvfs/sampling-rate",
+                      "How often should the dvfs plugin check whether the frequency needs to be changed?", 0.1,
+                      [](double val) {
+                        if (val != 0.1)
+                          sg_host_dvfs_plugin_init();
+                      });
 
 static simgrid::config::Flag<std::string> cfg_governor("plugin/dvfs/governor",
                                                        "Which Governor should be used that adapts the CPU frequency?",
                                                        "performance",
 
-                                                       std::map<std::string, std::string>({
+                                                       std::map<std::string, std::string, std::less<>>({
 #if HAVE_SMPI
                                                          {"adagio", "TODO: Doc"},
 #endif
@@ -43,12 +47,12 @@ static simgrid::config::Flag<std::string> cfg_governor("plugin/dvfs/governor",
                                                        });
 
 static simgrid::config::Flag<int>
-    cfg_min_pstate("plugin/dvfs/min-pstate", {"plugin/dvfs/min_pstate"},
+    cfg_min_pstate("plugin/dvfs/min-pstate",
                    "Which pstate is the minimum (and hence fastest) pstate for this governor?", 0);
 
 static const int max_pstate_not_limited = -1;
 static simgrid::config::Flag<int>
-    cfg_max_pstate("plugin/dvfs/max-pstate", {"plugin/dvfs/max_pstate"},
+    cfg_max_pstate("plugin/dvfs/max-pstate",
                    "Which pstate is the maximum (and hence slowest) pstate for this governor?", max_pstate_not_limited);
 
 /** @addtogroup SURF_plugin_load
@@ -117,7 +121,7 @@ public:
 
     const char* local_max_pstate_config = host_->get_property(cfg_max_pstate.get_name());
     if (local_max_pstate_config != nullptr) {
-      max_pstate = std::stod(local_max_pstate_config);
+      max_pstate = std::stoi(local_max_pstate_config);
     }
     xbt_assert(max_pstate <= host_->get_pstate_count() - 1, "Value for max_pstate too large!");
     xbt_assert(min_pstate <= max_pstate, "min_pstate is larger than max_pstate!");
@@ -140,7 +144,7 @@ public:
  */
 class Performance : public Governor {
 public:
-  explicit Performance(simgrid::s4u::Host* ptr) : Governor(ptr) {}
+  using Governor::Governor;
   std::string get_name() const override { return "Performance"; }
 
   void update() override { get_host()->set_pstate(get_min_pstate()); }
@@ -158,7 +162,7 @@ public:
  */
 class Powersave : public Governor {
 public:
-  explicit Powersave(simgrid::s4u::Host* ptr) : Governor(ptr) {}
+  using Governor::Governor;
   std::string get_name() const override { return "Powersave"; }
 
   void update() override { get_host()->set_pstate(get_max_pstate()); }
@@ -181,7 +185,7 @@ class OnDemand : public Governor {
   double freq_up_threshold_ = 0.80;
 
 public:
-  explicit OnDemand(simgrid::s4u::Host* ptr) : Governor(ptr) {}
+  using Governor::Governor;
   std::string get_name() const override { return "OnDemand"; }
 
   void update() override
@@ -202,7 +206,7 @@ public:
        */
       // Load is now < freq_up_threshold; exclude pstate 0 (the fastest)
       // because pstate 0 can only be selected if load > freq_up_threshold_
-      int new_pstate = get_max_pstate() - load * (get_max_pstate() + 1);
+      int new_pstate = static_cast<int>(get_max_pstate() - load * (get_max_pstate() + 1));
       if (new_pstate < get_min_pstate())
         new_pstate = get_min_pstate();
       get_host()->set_pstate(new_pstate);
@@ -229,7 +233,7 @@ class Conservative : public Governor {
   double freq_down_threshold_ = .2;
 
 public:
-  explicit Conservative(simgrid::s4u::Host* ptr) : Governor(ptr) {}
+  using Governor::Governor;
   std::string get_name() const override { return "Conservative"; }
 
   void update() override
@@ -291,11 +295,11 @@ public:
         task_id           = 0;
       }
     });
-    simgrid::s4u::Exec::on_start.connect([this](simgrid::s4u::Actor const&, simgrid::s4u::Exec const& activity) {
+    simgrid::s4u::Exec::on_start.connect([this](simgrid::s4u::Exec const& activity) {
       if (activity.get_host() == get_host())
         pre_task();
     });
-    simgrid::s4u::Exec::on_completion.connect([this](simgrid::s4u::Actor const&, simgrid::s4u::Exec const& activity) {
+    simgrid::s4u::Exec::on_completion.connect([this](simgrid::s4u::Exec const& activity) {
       // For more than one host (not yet supported), we can access the host via
       // simcalls_.front()->issuer->get_iface()->get_host()
       if (activity.get_host() == get_host() && iteration_running) {
@@ -387,25 +391,20 @@ static void on_host_added(simgrid::s4u::Host& host)
     }
 
     auto governor = [&dvfs_governor, &daemon_proc]() -> std::unique_ptr<simgrid::plugin::dvfs::Governor> {
-      if (dvfs_governor == "conservative") {
+      if (dvfs_governor == "conservative")
         return std::make_unique<simgrid::plugin::dvfs::Conservative>(daemon_proc->get_host());
-      } else if (dvfs_governor == "ondemand") {
+      if (dvfs_governor == "ondemand")
         return std::make_unique<simgrid::plugin::dvfs::OnDemand>(daemon_proc->get_host());
-      }
 #if HAVE_SMPI
-      else if (dvfs_governor == "adagio") {
+      if (dvfs_governor == "adagio")
         return std::make_unique<simgrid::plugin::dvfs::Adagio>(daemon_proc->get_host());
-      }
 #endif
-      else if (dvfs_governor == "performance") {
-        return std::make_unique<simgrid::plugin::dvfs::Performance>(daemon_proc->get_host());
-      } else if (dvfs_governor == "powersave") {
+      if (dvfs_governor == "powersave")
         return std::make_unique<simgrid::plugin::dvfs::Powersave>(daemon_proc->get_host());
-      } else {
+      if (dvfs_governor != "performance")
         XBT_CRITICAL("No governor specified for host %s, falling back to Performance",
                      daemon_proc->get_host()->get_cname());
-        return std::make_unique<simgrid::plugin::dvfs::Performance>(daemon_proc->get_host());
-      }
+      return std::make_unique<simgrid::plugin::dvfs::Performance>(daemon_proc->get_host());
     }();
 
     while (true) {