| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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. |
| */ |
| |
| package org.apache.ranger.plugin.util; |
| |
| import org.apache.commons.lang.StringUtils; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import java.lang.management.ThreadInfo; |
| |
| public class RangerPerfTracer { |
| protected final Logger logger; |
| protected final String tag; |
| protected final String data; |
| protected final ThreadInfo threadInfo; |
| protected final long startTime; |
| protected final long userStartTime; |
| |
| private final static String tagEndMarker = "("; |
| |
| public static Logger getPerfLogger(String name) { |
| return LoggerFactory.getLogger("org.apache.ranger.perf." + name); |
| } |
| |
| public static Logger getPerfLogger(Class<?> cls) { |
| return RangerPerfTracer.getPerfLogger(cls.getName()); |
| } |
| |
| public static boolean isPerfTraceEnabled(Logger logger) { |
| return logger.isDebugEnabled(); |
| } |
| |
| public static RangerPerfTracer getPerfTracer(Logger logger, String tag) { |
| String data = ""; |
| String realTag = ""; |
| |
| if (tag != null) { |
| int indexOfTagEndMarker = StringUtils.indexOf(tag, tagEndMarker); |
| if (indexOfTagEndMarker != -1) { |
| realTag = StringUtils.substring(tag, 0, indexOfTagEndMarker); |
| if (!PerfDataRecorder.collectStatistics()) { |
| data = StringUtils.substring(tag, indexOfTagEndMarker); |
| } |
| } else { |
| realTag = tag; |
| } |
| } |
| return RangerPerfTracerFactory.getPerfTracer(logger, realTag, data); |
| } |
| |
| public static RangerPerfTracer getPerfTracer(Logger logger, String tag, String data) { |
| return RangerPerfTracerFactory.getPerfTracer(logger, tag, data); |
| } |
| |
| public static void log(RangerPerfTracer tracer) { |
| if(tracer != null) { |
| tracer.log(); |
| } |
| } |
| |
| public static void logAlways(RangerPerfTracer tracer) { |
| if(tracer != null) { |
| tracer.logAlways(); |
| } |
| } |
| public RangerPerfTracer(Logger logger, String tag, String data, ThreadInfo threadInfo) { |
| this.logger = logger; |
| this.tag = tag; |
| this.data = data; |
| this.threadInfo = threadInfo; |
| |
| startTime = threadInfo == null ? System.nanoTime() : RangerPerfTracerFactory.threadMgmtBean.getThreadCpuTime(threadInfo.getThreadId()); |
| userStartTime = System.nanoTime(); |
| } |
| |
| public final long getElapsedUserTime() { |
| return System.nanoTime() - userStartTime; |
| } |
| public final long getElapsedCpuTime() { |
| if (threadInfo == null) { |
| return getElapsedUserTime(); |
| } else { |
| return RangerPerfTracerFactory.threadMgmtBean.getThreadCpuTime(threadInfo.getThreadId()) - startTime; |
| } |
| } |
| |
| public void log() { |
| long elapsedTime = Math.max(getElapsedUserTime(), getElapsedCpuTime()); |
| long reportingThreshold = threadInfo == null ? 0L : (1000000/1000 - 1); // just about a microsecond |
| |
| if (elapsedTime > reportingThreshold) { |
| logger.debug("[PERF]:" + (threadInfo != null ? threadInfo.getThreadName() : "") + ":" + tag + data + ":" + getElapsedCpuTime() + ":" + getElapsedUserTime()); |
| } |
| } |
| public void logAlways() { |
| logger.debug("[PERF]:" + (threadInfo != null ? threadInfo.getThreadName() : "") + ":" + tag + data + ":" + getElapsedCpuTime() + ":" + getElapsedUserTime()); |
| } |
| } |