[NSE-725] change the code style for ExecutorManger (#724)

* support test with local

* change code style

native-sql-engine/core/src/main/scala/org/apache/spark/util/ExecutorManager.scala

@@ -16,21 +16,19 @@
  */
 package org.apache.spark.util
 
-import org.apache.spark.{SparkConf, SparkContext, SparkEnv}
-import java.io.File
-import java.nio.file.Files
-import java.nio.file.LinkOption
-import java.nio.file.Path
-import java.nio.file.Paths
-import java.io.{InputStreamReader, BufferedReader}
-import scala.collection.mutable.ListBuffer
 import java.lang.management.ManagementFactory
+
+import scala.util.Random
+
 import com.intel.oap._
 
-object ExecutorManager {
+import org.apache.spark.{SparkContext, SparkEnv}
+import org.apache.spark.internal.Logging
+
+object ExecutorManager extends Logging {
   def getExecutorIds(sc: SparkContext): Seq[String] = sc.getExecutorIds
   var isTaskSet: Boolean = false
-  def tryTaskSet(numaInfo: GazelleNumaBindingInfo) = synchronized {
+  def tryTaskSet(numaInfo: GazelleNumaBindingInfo): Unit = synchronized {
     if (numaInfo.enableNumaBinding && !isTaskSet) {
       val cmd_output =
         Utils.executeAndGetOutput(
@@ -41,19 +39,16 @@ object ExecutorManager {
         tmp.toList.distinct
       }
       val executorId = SparkEnv.get.executorId
-      val numCorePerExecutor = numaInfo.numCoresPerExecutor
       val coreRange = numaInfo.totalCoreRange
       val shouldBindNumaIdx = executorIdOnLocalNode.indexOf(executorId) % coreRange.size
-      //val coreStartIdx = coreRange(shouldBindNumaIdx)._1
-      //val coreEndIdx = coreRange(shouldBindNumaIdx)._2
-      System.out.println(
-        s"executorId is ${executorId}, executorIdOnLocalNode is ${executorIdOnLocalNode}")
+      logInfo(s"executorId is $executorId, executorIdOnLocalNode is $executorIdOnLocalNode")
       val taskSetCmd = s"taskset -cpa ${coreRange(shouldBindNumaIdx)} ${getProcessId()}"
-      System.out.println(taskSetCmd)
+      logInfo(s"taskSetCmd is $taskSetCmd")
       isTaskSet = true
       Utils.executeCommand(Seq("bash", "-c", taskSetCmd))
     }
   }
+
   def getProcessId(): Int = {
     val runtimeMXBean = ManagementFactory.getRuntimeMXBean()
     runtimeMXBean.getName().split("@")(0).toInt