martinzink commented on a change in pull request #1152: URL: https://github.com/apache/nifi-minifi-cpp/pull/1152#discussion_r834209102
########## File path: extensions/procfs/ProcFsSerialization.h ########## @@ -0,0 +1,183 @@ +/** + * 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. + */ + +#pragma once +#include <stdint.h> +#include <concepts> +#include <string_view> + +#include "CpuStat.h" +#include "DiskStat.h" +#include "MemInfo.h" +#include "NetDev.h" +#include "ProcessStat.h" +#include "utils/gsl.h" + +namespace org::apache::nifi::minifi::extensions::procfs { + +template<class Serializer> +requires std::invocable<Serializer, const char*, uint64_t> +void SerializeCPUStatData(const CpuStatData& cpu_stat_data, + Serializer serializer) { + serializer("user time", cpu_stat_data.getUser().count()); + serializer("nice time", cpu_stat_data.getNice().count()); + serializer("system time", cpu_stat_data.getSystem().count()); + serializer("idle time", cpu_stat_data.getIdle().count()); + serializer("io wait time", cpu_stat_data.getIoWait().count()); + serializer("irq time", cpu_stat_data.getIrq().count()); + serializer("soft irq time", cpu_stat_data.getSoftIrq().count()); + serializer("steal time", cpu_stat_data.getSteal().count()); + serializer("guest time", cpu_stat_data.getGuest().count()); + serializer("guest nice time", cpu_stat_data.getGuestNice().count()); +} + +template<class Serializer> +requires std::invocable<Serializer, const char*, double> +void SerializeNormalizedCPUStat(const CpuStatData& cpu_stat_data, + Serializer serializer) { + gsl_Expects(cpu_stat_data.getTotal() > 0ms); + serializer("user time %", cpu_stat_data.getUser()/cpu_stat_data.getTotal()); + serializer("nice time %", cpu_stat_data.getNice()/cpu_stat_data.getTotal()); + serializer("system time %", cpu_stat_data.getSystem()/cpu_stat_data.getTotal()); + serializer("idle time %", cpu_stat_data.getIdle()/cpu_stat_data.getTotal()); + serializer("io wait time %", cpu_stat_data.getIoWait()/cpu_stat_data.getTotal()); + serializer("irq time %", cpu_stat_data.getIrq()/cpu_stat_data.getTotal()); + serializer("soft irq %", cpu_stat_data.getSoftIrq()/cpu_stat_data.getTotal()); + serializer("steal time %", cpu_stat_data.getSteal()/cpu_stat_data.getTotal()); + serializer("guest time %", cpu_stat_data.getGuest()/cpu_stat_data.getTotal()); + serializer("guest nice time %", cpu_stat_data.getGuestNice()/cpu_stat_data.getTotal()); +} + +template<class Serializer> +requires std::invocable<Serializer, const char*, uint64_t> +void SerializeDiskStatData(const DiskStatData& disk_stat_data, + Serializer serializer) { + serializer("Major Device Number", disk_stat_data.getMajorDeviceNumber()); + serializer("Minor Device Number", disk_stat_data.getMinorDeviceNumber()); + serializer("Reads Completed", disk_stat_data.getReadsCompleted()); + serializer("Reads Merged", disk_stat_data.getReadsMerged()); + serializer("Sectors Read", disk_stat_data.getSectorsRead()); + serializer("Writes Completed", disk_stat_data.getWritesCompleted()); + serializer("Writes Merged", disk_stat_data.getWritesMerged()); + serializer("Sectors Written", disk_stat_data.getSectorsWritten()); + serializer("IOs in progress", disk_stat_data.getIosInProgress()); +} + +template<class Serializer> +requires std::invocable<Serializer, const char*, double> +void SerializeDiskStatDataPerSec(const DiskStatData& disk_stat_data, + const std::chrono::duration<double> duration, + Serializer serializer) { + gsl_Expects(duration > 0ms); + serializer("Major Device Number", disk_stat_data.getMajorDeviceNumber()); + serializer("Minor Device Number", disk_stat_data.getMinorDeviceNumber()); + serializer("Reads Completed/sec", disk_stat_data.getReadsCompleted()/duration.count()); + serializer("Reads Merged/sec", disk_stat_data.getReadsMerged()/duration.count()); + serializer("Sectors Read/sec", disk_stat_data.getSectorsRead()/duration.count()); + serializer("Writes Completed/sec", disk_stat_data.getWritesCompleted()/duration.count()); + serializer("Writes Merged/sec", disk_stat_data.getWritesMerged()/duration.count()); + serializer("Sectors Written/sec", disk_stat_data.getSectorsWritten()/duration.count()); + serializer("IOs in progress", disk_stat_data.getIosInProgress()/duration.count()); +} + +template<class Serializer> +requires std::invocable<Serializer, const char*, uint64_t> +void SerializeMemInfo(const MemInfo& mem_info, + Serializer serializer) { + serializer("MemTotal", mem_info.getTotalMemory()); + serializer("MemFree", mem_info.getFreeMemory()); + serializer("MemAvailable", mem_info.getAvailableMemory()); + serializer("SwapTotal", mem_info.getTotalSwap()); + serializer("SwapFree", mem_info.getFreeSwap()); +} + +template<class Serializer> +requires std::invocable<Serializer, const char*, uint64_t> +void SerializeNetDevData(const NetDevData& net_dev_data, + Serializer serializer) { + serializer("Bytes Received", net_dev_data.getBytesReceived()); + serializer("Packets Received", net_dev_data.getPacketsReceived()); + serializer("Receive Errors", net_dev_data.getReceiveErrors()); + serializer("Receive Drop Errors", net_dev_data.getReceiveDropErrors()); + serializer("Receive Fifo Errors", net_dev_data.getReceiveFifoErrors()); + serializer("Receive Frame Errors", net_dev_data.getReceiveFrameErrors()); + serializer("Compressed Packets Received", net_dev_data.getCompressedPacketsReceived()); + serializer("Multicast Frames Received", net_dev_data.getMulticastFramesReceived()); + + serializer("Bytes Transmitted", net_dev_data.getBytesTransmitted()); + serializer("Packets Transmitted", net_dev_data.getPacketsTransmitted()); + serializer("Transmit errors", net_dev_data.getTransmitErrors()); + serializer("Transmit drop errors", net_dev_data.getTransmitDropErrors()); + serializer("Transmit fifo errors", net_dev_data.getTransmitFifoErrors()); + serializer("Transmit collisions", net_dev_data.getTransmitCollisions()); + serializer("Transmit carrier losses", net_dev_data.getTransmitCarrierLosses()); + serializer("Compressed Packets Transmitted", net_dev_data.getCompressedPacketsTransmitted()); +} + +template<class Serializer> +requires std::invocable<Serializer, const char*, double> +void SerializeNetDevDataPerSec(const NetDevData& net_dev_data, + const std::chrono::duration<double> duration, + Serializer serializer) { + gsl_Expects(duration > 0ms); + serializer("Bytes Received/sec", net_dev_data.getBytesReceived()/duration.count()); + serializer("Packets Received/sec", net_dev_data.getPacketsReceived()/duration.count()); + serializer("Receive Errors/sec", net_dev_data.getReceiveErrors()/duration.count()); + serializer("Receive Drop Errors/sec", net_dev_data.getReceiveDropErrors()/duration.count()); + serializer("Receive Fifo Errors/sec", net_dev_data.getReceiveFifoErrors()/duration.count()); + serializer("Receive Frame Errors/sec", net_dev_data.getReceiveFrameErrors()/duration.count()); + serializer("Compressed Packets Received/sec", net_dev_data.getCompressedPacketsReceived()/duration.count()); + serializer("Multicast Frames Received/sec", net_dev_data.getMulticastFramesReceived()/duration.count()); + + serializer("Bytes Transmitted/sec", net_dev_data.getBytesTransmitted()/duration.count()); + serializer("Packets Transmitted/sec", net_dev_data.getPacketsTransmitted()/duration.count()); + serializer("Transmit errors/sec", net_dev_data.getTransmitErrors()/duration.count()); + serializer("Transmit drop errors/sec", net_dev_data.getTransmitDropErrors()/duration.count()); + serializer("Transmit fifo errors/sec", net_dev_data.getTransmitFifoErrors()/duration.count()); + serializer("Transmit collisions/sec", net_dev_data.getTransmitCollisions()/duration.count()); + serializer("Transmit carrier losses/sec", net_dev_data.getTransmitCarrierLosses()/duration.count()); + serializer("Compressed Packets Transmitted/sec", net_dev_data.getCompressedPacketsTransmitted()/duration.count()); +} + +template<class Serializer> +requires std::invocable<Serializer, const char*, uint64_t> && + std::invocable<Serializer, const char*, std::string_view> +void SerializeProcessStat(const ProcessStat& process_stat, + Serializer serializer) { + serializer("COMM", process_stat.getComm()); + serializer("RES", process_stat.getMemory()); + serializer("CPUTIME", process_stat.getCpuTime().count()); +} + +template<class Serializer> +requires std::invocable<Serializer, const char*, double> && + std::invocable<Serializer, const char*, uint64_t> && + std::invocable<Serializer, const char*, std::string_view> +void SerializeNormalizedProcessStat(const ProcessStat& process_stat_start, + const ProcessStat& process_stat_end, + const std::chrono::duration<double> all_cpu_time, + Serializer serializer) { + gsl_Expects(all_cpu_time > 0ms); + gsl_Expects(process_stat_start.getComm() == process_stat_end.getComm()); + gsl_Expects(process_stat_end.getCpuTime() >= process_stat_start.getCpuTime()); + auto cpu_time_diff = process_stat_end.getCpuTime()-process_stat_end.getCpuTime(); + serializer("COMM", process_stat_start.getComm()); + serializer("RES", process_stat_end.getMemory()); + serializer("CPU%", cpu_time_diff/all_cpu_time); Review comment: you are right :+1:, in my mind anything relative is between 0-1, but since I named it CPU% then it should be 0-100 https://github.com/apache/nifi-minifi-cpp/pull/1152/commits/4691fa9cfff94471f19b85180e634642fad4a736 -- This is an automated message from the Apache Git Service. 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