1 files changed, 65 insertions, 0 deletions
diff --git a/source/hal/source/components/npu/include/ethosu_profiler.h b/source/hal/source/components/npu/include/ethosu_profiler.h
new file mode 100644
index 0000000..ca95b19
--- /dev/null
+++ b/source/hal/source/components/npu/include/ethosu_profiler.h
@@ -0,0 +1,65 @@
+/*
+ * Copyright (c) 2022 Arm Limited. All rights reserved.
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#ifndef ETHOS_U_PROFILER_H
+#define ETHOS_U_PROFILER_H
+
+#include "pmu_ethosu.h"
+
+#define ETHOSU_DERIVED_NCOUNTERS     1      /**< Number of counters derived from event counters */
+#define ETHOSU_PROFILER_NUM_COUNTERS ( \
+            ETHOSU_DERIVED_NCOUNTERS + \
+            ETHOSU_PMU_NCOUNTERS +     \
+            1 /* total CCNT */)
+
+typedef struct npu_event_counter_ {
+    enum ethosu_pmu_event_type event_type;
+    uint32_t event_mask;
+    uint32_t counter_value;
+    char* unit;
+    char* name;
+} npu_evt_counter;
+
+typedef struct npu_derived_counter_ {
+    uint32_t counter_value;
+    char* unit;
+    char* name;
+} npu_derived_counter;
+
+typedef struct ethosu_pmu_counters_ {
+    uint64_t                npu_total_ccnt;     /**< Total NPU cycles */
+    npu_evt_counter         npu_evt_counters[ETHOSU_PMU_NCOUNTERS];
+    npu_derived_counter     npu_derived_counters[ETHOSU_DERIVED_NCOUNTERS];
+    uint32_t                num_total_counters; /**< Total number of counters */
+} ethosu_pmu_counters;
+
+/**
+ * @brief  Initialise the Arm Ethos-U NPU performance monitoring unit.
+ */
+void ethosu_pmu_init(void);
+
+/**
+ * @brief  Resets the Arm Ethos-U NPU PMU counters.
+ */
+void ethosu_pmu_reset_counters(void);
+
+/**
+ * @brief Get the Arm Ethos-U NPU PMU counters
+ * @return ethosu_pmu_counters
+ */
+ethosu_pmu_counters ethosu_get_pmu_counters(void);
+
+#endif /* ETHOS_U_PROFILER_H */