IVGCVSW-4316 Promote ISendTimelinePacket and IProfilingGuidGenerator

As part of IVGCVSW-4316 we need to expose ISendTimelinePacket and
IProfilingGuidGenerator to enable them to be used by backends for
profiling. This also required moving ProfilingRelationshipType from
ProfilingUtils.

Signed-off-by: Colm Donelan <Colm.Donelan@arm.com>
Change-Id: I58cc64e32ecfffa5231c9d2028522ed58d0ddf31

2 files changed, 93 insertions, 0 deletions

diff --git a/include/armnn/profiling/IProfilingGuidGenerator.hpp b/include/armnn/profiling/IProfilingGuidGenerator.hpp
new file mode 100644
index 0000000000..fb9f7401fb
--- /dev/null
+++ b/include/armnn/profiling/IProfilingGuidGenerator.hpp
@@ -0,0 +1,32 @@
+//
+// Copyright © 2019 Arm Ltd. All rights reserved.
+// SPDX-License-Identifier: MIT
+//
+
+#pragma once
+
+#include <armnn/Types.hpp>
+
+#include <string>
+
+namespace armnn
+{
+
+namespace profiling
+{
+
+class IProfilingGuidGenerator
+{
+public:
+    /// Return the next random Guid in the sequence
+    virtual ProfilingDynamicGuid NextGuid() = 0;
+
+    /// Create a ProfilingStaticGuid based on a hash of the string
+    virtual ProfilingStaticGuid GenerateStaticId(const std::string& str) = 0;
+
+    virtual ~IProfilingGuidGenerator() {}
+};
+
+} // namespace profiling
+
+} // namespace armnn
diff --git a/include/armnn/profiling/ISendTimelinePacket.hpp b/include/armnn/profiling/ISendTimelinePacket.hpp
new file mode 100644
index 0000000000..49a9fcf40e
--- /dev/null
+++ b/include/armnn/profiling/ISendTimelinePacket.hpp
@@ -0,0 +1,61 @@
+//
+// Copyright © 2019 Arm Ltd. All rights reserved.
+// SPDX-License-Identifier: MIT
+//
+
+#pragma once
+
+#include <algorithm>
+#include <string>
+#include <thread>
+#include <vector>
+
+namespace armnn
+{
+
+namespace profiling
+{
+
+enum class ProfilingRelationshipType
+{
+    RetentionLink,    /// Head retains(parents) Tail
+    ExecutionLink,    /// Head execution start depends on Tail execution completion
+    DataLink,         /// Head uses data of Tail
+    LabelLink         /// Head uses label Tail (Tail MUST be a guid of a label).
+};
+
+class ISendTimelinePacket
+{
+public:
+    virtual ~ISendTimelinePacket()
+    {}
+
+    /// Commits the current buffer and reset the member variables
+    virtual void Commit() = 0;
+
+    /// Create and write a TimelineEntityBinaryPacket from the parameters to the buffer.
+    virtual void SendTimelineEntityBinaryPacket(uint64_t profilingGuid) = 0;
+
+    /// Create and write a TimelineEventBinaryPacket from the parameters to the buffer.
+    virtual void
+        SendTimelineEventBinaryPacket(uint64_t timestamp, std::thread::id threadId, uint64_t profilingGuid) = 0;
+
+    /// Create and write a TimelineEventClassBinaryPacket from the parameters to the buffer.
+    virtual void SendTimelineEventClassBinaryPacket(uint64_t profilingGuid) = 0;
+
+    /// Create and write a TimelineLabelBinaryPacket from the parameters to the buffer.
+    virtual void SendTimelineLabelBinaryPacket(uint64_t profilingGuid, const std::string& label) = 0;
+
+    /// Create and write a TimelineMessageDirectoryPackage in the buffer
+    virtual void SendTimelineMessageDirectoryPackage() = 0;
+
+    /// Create and write a TimelineRelationshipBinaryPacket from the parameters to the buffer.
+    virtual void SendTimelineRelationshipBinaryPacket(ProfilingRelationshipType relationshipType,
+                                                      uint64_t relationshipGuid,
+                                                      uint64_t headGuid,
+                                                      uint64_t tailGuid) = 0;
+};
+
+}    // namespace profiling
+
+}    // namespace armnn