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Use string::compare with C++ strings.
[simgrid.git] / src / plugins / host_dvfs.cpp
index 9879f92..0cca4f8 100644 (file)
@@ -1,4 +1,4 @@
-/* Copyright (c) 2010-2018. The SimGrid Team. All rights reserved.          */
+/* Copyright (c) 2010-2019. 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. */
@@ -6,12 +6,18 @@
 #include "simgrid/plugins/dvfs.h"
 #include "simgrid/plugins/load.h"
 #include "simgrid/s4u/Engine.hpp"
+#include "src/internal_config.h" // HAVE_SMPI
 #include "src/kernel/activity/ExecImpl.hpp"
 #include "src/plugins/vm/VirtualMachineImpl.hpp"
+#if HAVE_SMPI
 #include "src/smpi/plugins/ampi/ampi.hpp"
+#endif
 #include <xbt/config.hpp>
 
 #include <boost/algorithm/string.hpp>
+#if HAVE_SMPI
+#include "src/smpi/include/smpi_request.hpp"
+#endif
 
 SIMGRID_REGISTER_PLUGIN(host_dvfs, "Dvfs support", &sg_host_dvfs_plugin_init)
 
@@ -20,26 +26,30 @@ static simgrid::config::Flag<double> cfg_sampling_rate("plugin/dvfs/sampling-rat
     [](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",
+                                                       "Which Governor should be used that adapts the CPU frequency?",
+                                                       "performance",
 
-    std::map<std::string, std::string>({
-        {"adagio", "TODO: Doc"},
-        {"conservative", "TODO: Doc"},
-        {"ondemand", "TODO: Doc"},
-        {"performance", "TODO: Doc"},
-        {"powersave", "TODO: Doc"},
-    }),
+                                                       std::map<std::string, std::string>({
+#if HAVE_SMPI
+                                                         {"adagio", "TODO: Doc"},
+#endif
+                                                             {"conservative", "TODO: Doc"}, {"ondemand", "TODO: Doc"},
+                                                             {"performance", "TODO: Doc"}, {"powersave", "TODO: Doc"},
+                                                       }),
 
-    [](std::string val) { if (val != "performance") sg_host_dvfs_plugin_init(); });
+                                                       [](const std::string& val) {
+                                                         if (val != "performance")
+                                                           sg_host_dvfs_plugin_init();
+                                                       });
 
-static simgrid::config::Flag<int> cfg_min_pstate("plugin/dvfs/min-pstate", {"plugin/dvfs/min_pstate"},
-    "Which pstate is the minimum (and hence fastest) pstate for this governor?", 0,
-    [](int index) {});
+static simgrid::config::Flag<int>
+    cfg_min_pstate("plugin/dvfs/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"},
-    "Which pstate is the maximum (and hence slowest) pstate for this governor?", max_pstate_not_limited,
-    [](int index) {});
+static simgrid::config::Flag<int>
+    cfg_max_pstate("plugin/dvfs/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
 
@@ -251,6 +261,7 @@ public:
   }
 };
 
+#if HAVE_SMPI
 class Adagio : public Governor {
 private:
   int best_pstate     = 0;
@@ -258,7 +269,7 @@ private:
   double comp_counter = 0;
   double comp_timer   = 0;
 
-  std::vector<std::vector<double>> rates;
+  std::vector<std::vector<double>> rates; // Each host + all frequencies of that host
 
   unsigned int task_id   = 0;
   bool iteration_running = false; /*< Are we currently between iteration_in and iteration_out calls? */
@@ -267,36 +278,38 @@ public:
   explicit Adagio(simgrid::s4u::Host* ptr)
       : Governor(ptr), rates(100, std::vector<double>(ptr->get_pstate_count(), 0.0))
   {
-#if HAVE_SMPI
-    simgrid::smpi::plugin::ampi::on_iteration_in.connect([this](simgrid::s4u::ActorPtr actor) {
+    simgrid::smpi::plugin::ampi::on_iteration_in.connect([this](simgrid::s4u::Actor const& actor) {
       // Every instance of this class subscribes to this event, so one per host
       // This means that for any actor, all 'hosts' are normally notified of these
       // changes, even those who don't currently run the actor 'proc_id'.
       // -> Let's check if this signal call is for us!
-      if (get_host() == actor->get_host()) {
+      if (get_host() == actor.get_host()) {
         iteration_running = true;
       }
     });
-    simgrid::smpi::plugin::ampi::on_iteration_out.connect([this](simgrid::s4u::ActorPtr actor) {
-      if (get_host() == actor->get_host()) {
+    simgrid::smpi::plugin::ampi::on_iteration_out.connect([this](simgrid::s4u::Actor const& actor) {
+      if (get_host() == actor.get_host()) {
         iteration_running = false;
         task_id           = 0;
       }
     });
-#endif
-    simgrid::kernel::activity::ExecImpl::on_creation.connect([this](simgrid::kernel::activity::ExecImplPtr activity) {
-      if (activity->host_ == get_host())
-        pre_task();
-    });
-    simgrid::kernel::activity::ExecImpl::on_completion.connect([this](simgrid::kernel::activity::ExecImplPtr activity) {
-      // For more than one host (not yet supported), we can access the host via
-      // simcalls_.front()->issuer->iface()->get_host()
-      if (activity->host_ == get_host() && iteration_running) {
-        comp_timer += activity->surf_action_->get_finish_time() - activity->surf_action_->get_start_time();
-      }
-    });
+    simgrid::kernel::activity::ExecImpl::on_creation.connect(
+        [this](simgrid::kernel::activity::ExecImpl const& activity) {
+          if (activity.host_ == get_host())
+            pre_task();
+        });
+    simgrid::kernel::activity::ExecImpl::on_completion.connect(
+        [this](simgrid::kernel::activity::ExecImpl const& activity) {
+          // For more than one host (not yet supported), we can access the host via
+          // simcalls_.front()->issuer->iface()->get_host()
+          if (activity.host_ == get_host() && iteration_running) {
+            comp_timer += activity.surf_action_->get_finish_time() - activity.surf_action_->get_start_time();
+          }
+        });
+    // FIXME I think that this fires at the same time for all hosts, so when the src sends something,
+    // the dst will be notified even though it didn't even arrive at the recv yet
     simgrid::s4u::Link::on_communicate.connect(
-        [this](kernel::resource::NetworkAction* action, s4u::Host* src, s4u::Host* dst) {
+        [this](kernel::resource::NetworkAction const&, s4u::Host* src, s4u::Host* dst) {
           if ((get_host() == src || get_host() == dst) && iteration_running) {
             post_task();
           }
@@ -347,6 +360,7 @@ public:
 
   virtual void update() override {}
 };
+#endif
 } // namespace dvfs
 } // namespace plugin
 } // namespace simgrid
@@ -385,10 +399,14 @@ static void on_host_added(simgrid::s4u::Host& host)
       } else if (dvfs_governor == "ondemand") {
         return std::unique_ptr<simgrid::plugin::dvfs::Governor>(
             new simgrid::plugin::dvfs::OnDemand(daemon_proc->get_host()));
-      } else if (dvfs_governor == "adagio") {
+      }
+#if HAVE_SMPI
+      else if (dvfs_governor == "adagio") {
         return std::unique_ptr<simgrid::plugin::dvfs::Governor>(
             new simgrid::plugin::dvfs::Adagio(daemon_proc->get_host()));
-      } else if (dvfs_governor == "performance") {
+      }
+#endif
+      else if (dvfs_governor == "performance") {
         return std::unique_ptr<simgrid::plugin::dvfs::Governor>(
             new simgrid::plugin::dvfs::Performance(daemon_proc->get_host()));
       } else if (dvfs_governor == "powersave") {