From ff7db97807c41953496034d046488dbe844091e4 Mon Sep 17 00:00:00 2001
From: Allison Vacanti <allison.vacanti@kitware.com>
Date: Mon, 26 Aug 2019 14:55:26 -0400
Subject: [PATCH] Add RuntimeDeviceTracker::PrintSummary for debugging.

---
 vtkm/cont/RuntimeDeviceTracker.cxx | 11 +++++++++++
 vtkm/cont/RuntimeDeviceTracker.h   |  2 ++
 2 files changed, 13 insertions(+)

diff --git a/vtkm/cont/RuntimeDeviceTracker.cxx b/vtkm/cont/RuntimeDeviceTracker.cxx
index 58cf7a03d..5ab7db3e2 100644
--- a/vtkm/cont/RuntimeDeviceTracker.cxx
+++ b/vtkm/cont/RuntimeDeviceTracker.cxx
@@ -169,6 +169,17 @@ void RuntimeDeviceTracker::ForceDevice(DeviceAdapterId deviceId)
   }
 }
 
+VTKM_CONT
+void RuntimeDeviceTracker::PrintSummary(std::ostream& out) const
+{
+  for (vtkm::Int8 i = 1; i < VTKM_MAX_DEVICE_ADAPTER_ID; ++i)
+  {
+    auto dev = vtkm::cont::make_DeviceAdapterId(i);
+    out << " - Device " << static_cast<vtkm::Int32>(i) << " (" << dev.GetName()
+        << "): Enabled=" << this->CanRunOn(dev) << "\n";
+  }
+}
+
 VTKM_CONT
 ScopedRuntimeDeviceTracker::ScopedRuntimeDeviceTracker(vtkm::cont::DeviceAdapterId device,
                                                        RuntimeDeviceTrackerMode mode)
diff --git a/vtkm/cont/RuntimeDeviceTracker.h b/vtkm/cont/RuntimeDeviceTracker.h
index 71ae48d20..812f4a229 100644
--- a/vtkm/cont/RuntimeDeviceTracker.h
+++ b/vtkm/cont/RuntimeDeviceTracker.h
@@ -110,6 +110,8 @@ public:
   ///
   VTKM_CONT void ForceDevice(DeviceAdapterId deviceId);
 
+  VTKM_CONT void PrintSummary(std::ostream& out) const;
+
 private:
   friend struct ScopedRuntimeDeviceTracker;