1 files changed, 66 insertions, 0 deletions
diff --git a/lib/ethosu_monitor/include/ethosu_monitor.hpp b/lib/ethosu_monitor/include/ethosu_monitor.hpp
new file mode 100644
index 0000000..c1308a5
--- /dev/null
+++ b/lib/ethosu_monitor/include/ethosu_monitor.hpp
@@ -0,0 +1,66 @@
+/*
+ * Copyright (c) 2021 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
+ *
+ * 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 ETHOSU_MONITOR_H
+#define ETHOSU_MONITOR_H
+
+#include "EventRecorder.h"
+#include "EventRecorderConf.h"
+#include <algorithm>
+#include <ethosu_driver.h>
+#include <pmu_ethosu.h>
+#include <stdint.h>
+
+class EthosUMonitor {
+
+public:
+    enum Backend { PRINTF, EVENT_RECORDER };
+
+    EthosUMonitor(int32_t __id = EventID(EventLevelError, EvtStatistics_No, EventRecordNone), Backend backend = PRINTF);
+
+    template <typename T>
+    void configure(ethosu_driver *drv, const T &eventIds) {
+        // Set event ids
+        numEvents = std::min(static_cast<size_t>(ETHOSU_PMU_NCOUNTERS), eventIds.size());
+        for (size_t i = 0; i < numEvents; i++) {
+            ethosuEventIds[i] = eventIds[i];
+        }
+
+        // config pmu and set driver
+        ETHOSU_PMU_Enable(drv);
+
+        for (size_t i = 0; i < ETHOSU_PMU_NCOUNTERS; i++) {
+            ETHOSU_PMU_Set_EVTYPER(drv, i, static_cast<ethosu_pmu_event_type>(ethosuEventIds[i]));
+            ETHOSU_PMU_CNTR_Enable(drv, 1 << i);
+        }
+
+        ETHOSU_PMU_EVCNTR_ALL_Reset(drv);
+    }
+
+    void release(ethosu_driver *drv);
+
+    void monitorSample(ethosu_driver *drv);
+
+private:
+    ethosu_pmu_event_type ethosuEventIds[ETHOSU_PMU_NCOUNTERS];
+    size_t numEvents;
+    int32_t eventRecordId;
+    Backend backend;
+};
+
+#endif