Ethos-U PMU monitor

Add Python script demonstrating how to download performance data
from device.

Write baremetal PMU events to Event Recorder ring buffer and increase
the systick sample rate.

Change-Id: Ib73c56100a8de2d7b74c455d8f80cda0b59383da
diff --git a/targets/corstone-300/event_recorder/EventRecorderConf.h b/targets/corstone-300/event_recorder/EventRecorderConf.h
new file mode 100644
index 0000000..396cfd9
--- /dev/null
+++ b/targets/corstone-300/event_recorder/EventRecorderConf.h
@@ -0,0 +1,47 @@
+/*
+ * SPDX-FileCopyrightText: Copyright 2016-2022 Arm Limited and/or its affiliates <open-source-office@arm.com>
+ *
+ * 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.
+ *
+ * Name:    EventRecorderConf.h
+ * Purpose: Event Recorder software component configuration options
+ * Rev.:    V1.1.0
+ */
+
+//-------- <<< Use Configuration Wizard in Context Menu >>> --------------------
+
+// <h>Event Recorder
+
+//   <o>Number of Records
+//     <8=>8 <16=>16 <32=>32 <64=>64 <128=>128 <256=>256 <512=>512 <1024=>1024
+//     <2048=>2048 <4096=>4096 <8192=>8192 <16384=>16384 <32768=>32768
+//     <65536=>65536
+//   <i>Configures size of Event Record Buffer (each record is 16 bytes)
+//   <i>Must be 2^n (min=8, max=65536)
+#define EVENT_RECORD_COUNT 1024U
+
+//   <o>Time Stamp Source
+//      <0=> DWT Cycle Counter  <1=> SysTick  <2=> CMSIS-RTOS2 System Timer
+//      <3=> User Timer (Normal Reset)  <4=> User Timer (Power-On Reset)
+//   <i>Selects source for 32-bit time stamp
+#define EVENT_TIMESTAMP_SOURCE 0
+
+//   <o>Time Stamp Clock Frequency [Hz] <0-1000000000>
+//   <i>Defines initial time stamp clock frequency (0 when not used)
+#define EVENT_TIMESTAMP_FREQ 0U
+
+// </h>
+
+//------------- <<< end of configuration section >>> ---------------------------