Scripts: Add tool to sample small channels from record.

scripts/filter_small_channels.sh

+#!/usr/bin/env bash
+
+###############################################################################
+# Copyright 2018 The Apollo Authors. All Rights Reserved.
+#
+# 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.
+###############################################################################
+"""
+Use after `apollo.sh build`:
+    ./filter_small_channels.sh <input_record> <output_record>
+
+The output_record will only contain channels with small data.
+"""
+
+INPUT_RECORD=$1
+OUTPUT_RECORD=$2
+
+cyber_recorder split -f "${INPUT_RECORD}" -o "${OUTPUT_RECORD}" \
+    -c "/apollo/canbus/chassis" \
+    -c "/apollo/canbus/chassis_detail" \
+    -c "/apollo/control" \
+    -c "/apollo/control/pad" \
+    -c "/apollo/drive_event" \
+    -c "/apollo/guardian" \
+    -c "/apollo/localization/pose" \
+    -c "/apollo/localization/msf_gnss" \
+    -c "/apollo/localization/msf_lidar" \
+    -c "/apollo/localization/msf_status" \
+    -c "/apollo/hmi/status" \
+    -c "/apollo/monitor" \
+    -c "/apollo/monitor/system_status" \
+    -c "/apollo/navigation" \
+    -c "/apollo/perception/obstacles" \
+    -c "/apollo/perception/traffic_light" \
+    -c "/apollo/planning" \
+    -c "/apollo/prediction" \
+    -c "/apollo/relative_map" \
+    -c "/apollo/routing_request" \
+    -c "/apollo/routing_response" \
+    -c "/apollo/sensor/conti_radar" \
+    -c "/apollo/sensor/delphi_esr" \
+    -c "/apollo/sensor/gnss/best_pose" \
+    -c "/apollo/sensor/gnss/corrected_imu" \
+    -c "/apollo/sensor/gnss/gnss_status" \
+    -c "/apollo/sensor/gnss/imu" \
+    -c "/apollo/sensor/gnss/ins_stat" \
+    -c "/apollo/sensor/gnss/odometry" \
+    -c "/apollo/sensor/gnss/raw_data" \
+    -c "/apollo/sensor/gnss/rtk_eph" \
+    -c "/apollo/sensor/gnss/rtk_obs" \
+    -c "/apollo/sensor/mobileye" \
+    -c "/tf" \
+    -c "/tf_static"