add influxdb write loop test script.

tests/perftest-scripts/influxdbTestWriteLoop.sh

@@ -0,0 +1,84 @@
+#!/bin/bash
+
+DATA_DIR=/mnt/root/testdata
+NUM_LOOP=1
+NUM_OF_FILES=100
+
+rowsPerRequest=(1 100 500 1000 2000)
+
+function printTo {
+  if $verbose ; then
+    echo $1
+  fi
+}
+
+function runTest {
+  printf "R/R, "
+  for c in `seq 1 $clients`; do
+    if [ "$c" == "1" ]; then
+      printf "$c client, "
+    else
+      printf "$c clients, "
+    fi
+  done
+  printf "\n"
+
+  for r in ${rowsPerRequest[@]}; do
+    printf "$r, "
+    for c in `seq 1 $clients`; do
+      totalRPR=0
+      OUTPUT_FILE=influxdbTestWrite-RPR$r-clients$c.out
+      for i in `seq 1 $NUM_LOOP`; do
+        printTo "loop i:$i, $INF_TEST_DIR/influxdbTest \
+	      -dataDir $DATA_DIR \
+	      -numOfFiles $NUM_OF_FILES \
+	      -writeClients $c \
+	      -rowsPerRequest $r"
+        $INF_TEST_DIR/influxdbTest \
+          -dataDir $DATA_DIR \
+          -numOfFiles $NUM_OF_FILES \
+          -writeClients $c \
+          -rowsPerRequest $r 2>&1 \
+	  | tee $OUTPUT_FILE
+        RPR=`cat $OUTPUT_FILE  | grep speed | awk '{print $(NF-1)}'`
+        totalRPR=`echo "scale=4; $totalRPR + $RPR" | bc`
+        printTo "rows:$r, clients:$c, i:$i RPR:$RPR"
+      done
+      avgRPR=`echo "scale=4; $totalRPR / $NUM_LOOP" | bc`
+      printf "$avgRPR, "
+    done
+    printf "\n"
+  done
+}
+
+################ Main ################
+
+verbose=false
+clients=1
+
+while : ; do
+  case $1 in
+    -v)
+      verbose=true
+      shift ;;
+
+    -n)
+      NUM_LOOP=$2
+      shift 2;;
+
+    -c)
+      clients=$2
+      shift 2;;
+
+    *)
+      break ;;
+  esac
+done
+
+WORK_DIR=/mnt/root/TDengine
+
+INF_TEST_DIR=$WORK_DIR/tests/comparisonTest/influxdb
+
+runTest
+
+echo "Test done!"