From 635743ad3b947c1b55642cb708fbf1626fe0b36f Mon Sep 17 00:00:00 2001
From: Martin Quinson <martin.quinson@loria.fr>
Date: Thu, 6 Jul 2017 00:23:23 +0200
Subject: [PATCH] don't fail on sg_host_energy_update_all() in presence of VMs
 (fix #192)

---
 src/surf/plugins/host_energy.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/surf/plugins/host_energy.cpp b/src/surf/plugins/host_energy.cpp
index 85d3d0c49d..2b88fb032c 100644
--- a/src/surf/plugins/host_energy.cpp
+++ b/src/surf/plugins/host_energy.cpp
@@ -468,7 +468,8 @@ void sg_host_energy_update_all()
     std::vector<simgrid::s4u::Host*> list;
     simgrid::s4u::Engine::instance()->hostList(&list);
     for (auto host : list)
-      host->extension<HostEnergy>()->update();
+      if (dynamic_cast<simgrid::s4u::VirtualMachine*>(host) == nullptr) // Ignore virtual machines
+        host->extension<HostEnergy>()->update();
   });
 }
 
-- 
2.20.1