I/O factors: noise for disks.

[simgrid.git] / src / kernel / activity / IoImpl.cpp

diff --git a/src/kernel/activity/IoImpl.cpp b/src/kernel/activity/IoImpl.cpp
index 4f692b2..bdef78f 100644 (file)
--- a/src/kernel/activity/IoImpl.cpp
+++ b/src/kernel/activity/IoImpl.cpp
@@ -59,6 +59,10 @@ IoImpl* IoImpl::start()
   surf_action_ =
       disk_->get_host()->get_netpoint()->get_englobing_zone()->get_disk_model()->io_start(disk_, size_, type_);
   surf_action_->set_activity(this);
+  const auto& factor_cb = disk_->get_factor_cb();
+  if (factor_cb) { // handling disk variability
+    surf_action_->set_rate_factor(factor_cb(size_, type_));
+  }
 
   XBT_DEBUG("Create IO synchro %p %s", this, get_cname());