Add ethosu_monitor to core_software.21.05-rc3

Change-Id: I9423c0c2a8aca738b2788ff5c41e946432188dc3

1 files changed, 43 insertions, 0 deletions

diff --git a/lib/ethosu_monitor/src/ethosu_monitor.cpp b/lib/ethosu_monitor/src/ethosu_monitor.cpp
new file mode 100644
index 0000000..70a8656
--- /dev/null
+++ b/lib/ethosu_monitor/src/ethosu_monitor.cpp
@@ -0,0 +1,43 @@
+/*
+ * 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.
+ */
+
+#include "ethosu_monitor.hpp"
+#include <stdio.h>
+
+EthosUMonitor::EthosUMonitor(int32_t __eventRecordId, Backend __backend) :
+    eventRecordId(__eventRecordId), backend(__backend) {}
+
+void EthosUMonitor::monitorSample(ethosu_driver *drv) {
+    // Fetch events
+    uint32_t eventCount[ETHOSU_PMU_NCOUNTERS] = {0};
+    for (size_t i = 0; i < numEvents; i++) {
+        eventCount[i] = ETHOSU_PMU_Get_EVCNTR(drv, i);
+        switch (backend) {
+        case EVENT_RECORDER:
+            EventRecord2(eventRecordId, ethosuEventIds[i], eventCount[i]);
+            break;
+        case PRINTF:
+        default:
+            printf("ethosu_pmu_cntr%d : %u\n", i, eventCount[i]);
+        }
+    }
+}
+
+void EthosUMonitor::release(ethosu_driver *drv) {
+    ETHOSU_PMU_Disable(drv);
+}