siddharthteotia commented on code in PR #9727: URL: https://github.com/apache/pinot/pull/9727#discussion_r1018522262
########## pinot-spi/src/main/java/org/apache/pinot/spi/accounting/ThreadResourceUsageProvider.java: ########## @@ -0,0 +1,145 @@ +/** + * 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.pinot.spi.accounting; + +import java.lang.management.ManagementFactory; +import java.lang.management.ThreadMXBean; +import java.lang.reflect.InvocationTargetException; +import java.lang.reflect.Method; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + + +/** + * The {@code ThreadResourceUsageProvider} class providing the functionality of measuring the CPU time + * and allocate bytes for the current thread. + */ +public class ThreadResourceUsageProvider { + private static final Logger LOGGER = LoggerFactory.getLogger(ThreadResourceUsageProvider.class); + private static final String SUN_THREAD_MXBEAN_CLASS_NAME = "com.sun.management.ThreadMXBean"; + private static final String SUN_THREAD_MXBEAN_IS_THREAD_ALLOCATED_MEMORY_SUPPORTED_NAME + = "isThreadAllocatedMemorySupported"; + private static final String SUN_THREAD_MXBEAN_IS_THREAD_ALLOCATED_MEMORY_ENABLED_NAME + = "isThreadAllocatedMemoryEnabled"; + private static final String SUN_THREAD_MXBEAN_GET_BYTES_ALLOCATED_NAME = "getThreadAllocatedBytes"; + private static final Method SUN_THREAD_MXBEAN_GET_BYTES_ALLOCATED_METHOD; + + private static final ThreadMXBean MX_BEAN = ManagementFactory.getThreadMXBean(); + private static final boolean IS_CURRENT_THREAD_CPU_TIME_SUPPORTED = MX_BEAN.isCurrentThreadCpuTimeSupported(); + private static final boolean IS_THREAD_ALLOCATED_MEMORY_SUPPORTED; + private static final boolean IS_THREAD_ALLOCATED_MEMORY_ENABLED; + private static boolean _isThreadCpuTimeMeasurementEnabled = false; + private static boolean _isThreadMemoryMeasurementEnabled = false; + private final long _startTimeNs; + private final long _startBytesAllocated; Review Comment: What all will this cover ? -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: commits-unsubscr...@pinot.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org --------------------------------------------------------------------- To unsubscribe, e-mail: commits-unsubscr...@pinot.apache.org For additional commands, e-mail: commits-h...@pinot.apache.org
