Set TFLu external context

Remove PMU configuration from the InferenceJob struct and add an
external context parameter intead. The external context is passed
to the TFLu interpreter and will be returned in the
ethosu_inference_begin() and ethosu_inference_end() callbacks.

Change-Id: I6dab04c0ab5088b1325be365d77d65d1182e7441

1 files changed, 6 insertions, 15 deletions

diff --git a/lib/layer_by_layer_profiler/include/layer_by_layer_profiler.hpp b/lib/layer_by_layer_profiler/include/layer_by_layer_profiler.hpp
index a547576..0c50bc8 100644
--- a/lib/layer_by_layer_profiler/include/layer_by_layer_profiler.hpp
+++ b/lib/layer_by_layer_profiler/include/layer_by_layer_profiler.hpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2021 Arm Limited. All rights reserved.
+ * Copyright (c) 2021-2022 Arm Limited. All rights reserved.
  *
  * SPDX-License-Identifier: Apache-2.0
  *
@@ -22,7 +22,6 @@
 #include "EventRecorder.h"
 #include "tensorflow/lite/kernels/internal/compatibility.h"
 #include <memory>
-#include <pmu_ethosu.h>
 #include <vector>
 
 // NOTE: This profiler only works on systems with 1 NPU due to the use of
@@ -31,29 +30,21 @@ namespace tflite {
 class LayerByLayerProfiler : public MicroProfiler {
 public:
     enum Backend { PRINTF, EVENT_RECORDER };
-    LayerByLayerProfiler(const std::vector<uint8_t> &event_config = {},
-                         bool pmu_cycle_counter_enable            = true,
-                         size_t max_events                        = 200,
-                         Backend backend                          = PRINTF,
-                         int32_t event_id = EventID(EventLevelError, EvtStatistics_No, EventRecordNone));
+
+    LayerByLayerProfiler(size_t max_events = 200,
+                         Backend backend   = PRINTF,
+                         int32_t event_id  = EventID(EventLevelError, EvtStatistics_No, EventRecordNone));
+
     uint32_t BeginEvent(const char *tag);
     void EndEvent(uint32_t event_handle);
     int32_t GetTotalTicks() const;
     void Log() const;
 
-    uint64_t GetPmuCycleCounterCount() const;
-    const std::vector<uint32_t> &GetPmuEventCount() const;
-
 private:
     std::unique_ptr<const char *[]> tags_;
     std::unique_ptr<uint64_t[]> start_ticks_;
     std::unique_ptr<uint64_t[]> end_ticks_;
 
-    std::vector<uint8_t> pmu_event_config;
-    std::vector<uint32_t> pmu_event_count;
-    bool pmu_cycle_counter_enable;
-    uint64_t pmu_cycle_counter_count;
-
     size_t max_events_;
     Backend backend;
     int32_t event_id;