Adding scale reports for BBSim using BBr

Change-Id: I2a41fd37d99905d9baf7ce75b13aeb93fac7781d
diff --git a/tests/bbr.sh b/tests/bbr.sh
new file mode 100644
index 0000000..434cb56
--- /dev/null
+++ b/tests/bbr.sh
@@ -0,0 +1,74 @@
+#!/bin/bash
+
+# Copyright 2018-present Open Networking Foundation
+
+# 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.
+
+usage()
+{
+    echo " "
+    echo "Runs BBR against BBSim a number of times and output the results in a file name results.logs"
+    echo " "
+    echo "Usage: $0 [--onus|--pons|--runs]" >&2
+    echo " "
+    echo "   -o, --onus              Number of ONUs to emulate on each PON"
+    echo "   -p, --pons              Number of PONs to emulate"
+    echo "   -r, --runs              Number of runs to perform"
+    echo " "
+    echo "Example usages:"
+    echo "   ./$0 -i -p 2 -o 32 -r 10"
+    echo " "
+}
+
+run()
+{
+    echo "Running with: ${ONU} Onus ${PON} Pons for ${RUN} times" >> results.logs
+    for i in {0..10}
+    do
+        echo "RUN Number: $i"
+        docker rm -f bbsim
+        DOCKER_RUN_ARGS="-pon ${PON} -onu ${ONU}" make docker-run
+        sleep 5
+        ./bbr -pon $PON -onu $ONU 2>&1 | tee bbr.logs
+        docker logs bbsim 2>&1 | tee bbsim.logs
+        echo "RUN Number: $i" >> results.logs
+        cat bbr.logs | grep Duration | awk '{print $5}' >> results.logs
+    done
+}
+
+ONU=1
+PON=1
+RUN=10
+
+while [ "$1" != "" ]; do
+    case $1 in
+        -h | --help)
+                                usage
+                                exit 0
+                                ;;
+        -o | --onus )           ONU=$2
+                                ;;
+        -p | --pons )           PON=$2
+                                ;;
+        -r | --runs )           RUN=$2
+                                ;;
+        --) # End of all options
+                                shift
+                                break
+                                ;;
+    esac
+    shift
+done
+
+run
+