246 lines
12 KiB
C++
246 lines
12 KiB
C++
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/*
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* SystemMonitor.cpp
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*
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* This source file is part of the FoundationDB open source project
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*
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* Copyright 2013-2018 Apple Inc. and the FoundationDB project authors
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "flow.h"
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#include "Platform.h"
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#include "TDMetric.actor.h"
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#include "SystemMonitor.h"
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#if defined(ALLOC_INSTRUMENTATION) && defined(__linux__)
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#include <cxxabi.h>
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#endif
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SystemMonitorMachineState machineState;
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void initializeSystemMonitorMachineState(SystemMonitorMachineState machineState) {
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::machineState = machineState;
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ASSERT(g_network);
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::machineState.monitorStartTime = now();
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}
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void systemMonitor() {
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static StatisticsState statState = StatisticsState();
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customSystemMonitor("ProcessMetrics", &statState, true );
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}
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#define TRACEALLOCATOR( size ) TraceEvent("MemSample").detail("Count", FastAllocator<size>::getMemoryUnused()/size).detail("TotalSize", FastAllocator<size>::getMemoryUnused()).detail("SampleCount", 1).detail("Hash", "FastAllocatedUnused" #size ).detail("Bt", "na")
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SystemStatistics customSystemMonitor(std::string eventName, StatisticsState *statState, bool machineMetrics) {
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SystemStatistics currentStats = getSystemStatistics(machineState.folder.present() ? machineState.folder.get() : "",
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machineState.ip.present() ? machineState.ip.get() : 0,
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&statState->systemState);
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NetworkData netData;
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netData.init();
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if (!DEBUG_DETERMINISM && currentStats.initialized) {
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{
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TraceEvent e(eventName.c_str());
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e
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.detail("Elapsed", currentStats.elapsed)
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.detail("CPUSeconds", currentStats.processCPUSeconds)
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.detail("MainThreadCPUSeconds", currentStats.mainThreadCPUSeconds)
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.detail("UptimeSeconds", now() - machineState.monitorStartTime)
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.detail("Memory", currentStats.processMemory)
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.detail("ResidentMemory", currentStats.processResidentMemory)
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.detail("MbpsSent", ((netData.bytesSent - statState->networkState.bytesSent) * 8e-6) / currentStats.elapsed)
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.detail("MbpsReceived", ((netData.bytesReceived - statState->networkState.bytesReceived) * 8e-6) / currentStats.elapsed)
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.detail("DiskTotalBytes", currentStats.processDiskTotalBytes)
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.detail("DiskFreeBytes", currentStats.processDiskFreeBytes)
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.detail("DiskQueueDepth", currentStats.processDiskQueueDepth)
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.detail("DiskIdleSeconds", currentStats.processDiskIdleSeconds)
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.detail("DiskReads", currentStats.processDiskRead)
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.detail("DiskWrites", currentStats.processDiskWrite)
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.detail("DiskReadsCount", currentStats.processDiskReadCount)
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.detail("DiskWritesCount", currentStats.processDiskWriteCount)
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.detail("DiskWriteSectors", currentStats.processDiskWriteSectors)
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.detail("DiskReadSectors", currentStats.processDiskReadSectors)
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.detail("FileWrites", netData.countFileLogicalWrites - statState->networkState.countFileLogicalWrites)
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.detail("FileReads", netData.countFileLogicalReads - statState->networkState.countFileLogicalReads)
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.detail("CacheReadBytes", netData.countFileCacheReadBytes - statState->networkState.countFileCacheReadBytes)
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.detail("CacheFinds", netData.countFileCacheFinds - statState->networkState.countFileCacheFinds)
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.detail("CacheWritesBlocked", netData.countFileCacheWritesBlocked - statState->networkState.countFileCacheWritesBlocked)
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.detail("CacheReadsBlocked", netData.countFileCacheReadsBlocked - statState->networkState.countFileCacheReadsBlocked)
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.detail("CachePageReadsMerged", netData.countFileCachePageReadsMerged - statState->networkState.countFileCachePageReadsMerged)
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.detail("CacheWrites", netData.countFileCacheWrites - statState->networkState.countFileCacheWrites)
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.detail("CacheReads", netData.countFileCacheReads - statState->networkState.countFileCacheReads)
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.detailext("ZoneID", machineState.zoneId)
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.detailext("MachineID", machineState.machineId)
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.detail("AIO_SubmitCount", netData.countAIOSubmit - statState->networkState.countAIOSubmit)
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.detail("AIO_CollectCount", netData.countAIOCollect - statState->networkState.countAIOCollect)
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.detail("AIO_SubmitLagMS", 1e3 * (g_network->networkMetrics.secSquaredSubmit - statState->networkMetricsState.secSquaredSubmit) / currentStats.elapsed)
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.detail("AIO_DiskStallMS", 1e3 * (g_network->networkMetrics.secSquaredDiskStall - statState->networkMetricsState.secSquaredDiskStall) / currentStats.elapsed)
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.detail("N2_CantSleep", netData.countCantSleep - statState->networkState.countCantSleep)
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.detail("N2_WontSleep", netData.countWontSleep - statState->networkState.countWontSleep)
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.detail("N2_Yields", netData.countYields - statState->networkState.countYields)
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.detail("N2_YieldCalls", netData.countYieldCalls - statState->networkState.countYieldCalls)
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.detail("N2_YieldCallsTrue", netData.countYieldCallsTrue - statState->networkState.countYieldCallsTrue)
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.detail("N2_SlowTaskSignals", netData.countSlowTaskSignals - statState->networkState.countSlowTaskSignals)
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.detail("N2_YieldBigStack", netData.countYieldBigStack - statState->networkState.countYieldBigStack)
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.detail("N2_RunLoopIterations", netData.countRunLoop - statState->networkState.countRunLoop)
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.detail("N2_TimersExecuted", netData.countTimers - statState->networkState.countTimers)
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.detail("N2_TasksExecuted", netData.countTasks - statState->networkState.countTasks)
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.detail("N2_ASIOEventsProcessed", netData.countASIOEvents - statState->networkState.countASIOEvents)
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.detail("N2_ReadCalls", netData.countReads - statState->networkState.countReads)
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.detail("N2_WriteCalls", netData.countWrites - statState->networkState.countWrites)
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.detail("N2_ReadProbes", netData.countReadProbes - statState->networkState.countReadProbes)
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.detail("N2_WriteProbes", netData.countWriteProbes - statState->networkState.countWriteProbes)
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.detail("N2_PacketsRead", netData.countPacketsReceived - statState->networkState.countPacketsReceived)
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.detail("N2_PacketsGenerated", netData.countPacketsGenerated - statState->networkState.countPacketsGenerated)
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.detail("N2_WouldBlock", netData.countWouldBlock - statState->networkState.countWouldBlock)
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.detail("CurrentConnections", netData.countConnEstablished - netData.countConnClosedWithError - netData.countConnClosedWithoutError)
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.detail("ConnectionsEstablished", (double) (netData.countConnEstablished - statState->networkState.countConnEstablished) / currentStats.elapsed)
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.detail("ConnectionsClosed", ((netData.countConnClosedWithError - statState->networkState.countConnClosedWithError) + (netData.countConnClosedWithoutError - statState->networkState.countConnClosedWithoutError)) / currentStats.elapsed)
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.detail("ConnectionErrors", (netData.countConnClosedWithError - statState->networkState.countConnClosedWithError) / currentStats.elapsed)
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.trackLatest(eventName.c_str());
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for(int i=0; i<NetworkMetrics::SLOW_EVENT_BINS; i++)
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if (int c = g_network->networkMetrics.countSlowEvents[i] - statState->networkMetricsState.countSlowEvents[i])
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e.detail( format("N2_SlowTask%dM", 1<<i).c_str(), c );
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for(int i=0; i<NetworkMetrics::PRIORITY_BINS; i++)
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if (double x = g_network->networkMetrics.secSquaredPriorityBlocked[i] - statState->networkMetricsState.secSquaredPriorityBlocked[i])
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e.detail( format("N2_S2Pri%d", g_network->networkMetrics.priorityBins[i]).c_str(), x );
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}
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if(machineMetrics) {
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TraceEvent("MachineMetrics").detail("Elapsed", currentStats.elapsed)
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.detail("MbpsSent", currentStats.machineMegabitsSent / currentStats.elapsed)
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.detail("MbpsReceived", currentStats.machineMegabitsReceived / currentStats.elapsed)
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.detail("OutSegs", currentStats.machineOutSegs)
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.detail("RetransSegs", currentStats.machineRetransSegs)
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.detail("CPUSeconds", currentStats.machineCPUSeconds)
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.detail("TotalMemory", currentStats.machineTotalRAM)
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.detail("CommittedMemory", currentStats.machineCommittedRAM)
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.detail("AvailableMemory", currentStats.machineAvailableRAM)
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.detailext("ZoneID", machineState.zoneId)
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.detailext("MachineID", machineState.machineId)
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.trackLatest("MachineMetrics");
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}
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}
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#ifdef ALLOC_INSTRUMENTATION
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{
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static double firstTime = 0.0;
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if(firstTime == 0.0) firstTime = now();
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if( now() - firstTime > 10 || g_network->isSimulated() ) {
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firstTime = now();
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std::vector< std::pair<std::string, const char*> > typeNames;
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for( auto i = allocInstr.begin(); i != allocInstr.end(); ++i ) {
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std::string s;
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#ifdef __linux__
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char *demangled = abi::__cxa_demangle(i->first, NULL, NULL, NULL);
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if (demangled) {
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s = demangled;
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if (StringRef(s).startsWith(LiteralStringRef("(anonymous namespace)::")))
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s = s.substr(LiteralStringRef("(anonymous namespace)::").size());
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free(demangled);
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} else
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s = i->first;
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#else
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s = i->first;
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if (StringRef(s).startsWith(LiteralStringRef("class `anonymous namespace'::")))
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s = s.substr(LiteralStringRef("class `anonymous namespace'::").size());
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else if (StringRef(s).startsWith(LiteralStringRef("class ")))
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s = s.substr(LiteralStringRef("class ").size());
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else if (StringRef(s).startsWith(LiteralStringRef("struct ")))
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s = s.substr(LiteralStringRef("struct ").size());
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#endif
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typeNames.push_back( std::make_pair(s, i->first) );
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}
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std::sort(typeNames.begin(), typeNames.end());
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for(int i=0; i<typeNames.size(); i++) {
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const char* n = typeNames[i].second;
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auto& f = allocInstr[n];
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if(f.maxAllocated > 10000)
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TraceEvent("AllocInstrument").detail("CurrentAlloc", f.allocCount-f.deallocCount)
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.detail("Name", typeNames[i].first.c_str());
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}
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std::unordered_map<uint32_t, BackTraceAccount> traceCounts;
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size_t memSampleSize;
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memSample_entered = true;
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{
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ThreadSpinLockHolder holder(memLock);
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traceCounts = backTraceLookup;
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memSampleSize = memSample.size();
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}
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memSample_entered = false;
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uint64_t totalSize = 0;
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uint64_t totalCount = 0;
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for( auto i = traceCounts.begin(); i != traceCounts.end(); ++i ) {
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char buf[1024];
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std::vector<void *> *frames = i->second.backTrace;
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std::string backTraceStr = "addr2line -e fdbserver.debug -p -C -f -i ";
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for (int j = 1; j < frames->size(); j++) {
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#if defined(_WIN32)
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_snprintf(buf, 1024, "%p ", frames->at(j));
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#else
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snprintf(buf, 1024, "%p ", frames->at(j));
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#endif
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backTraceStr += buf;
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}
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TraceEvent("MemSample")
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.detail("Count", (int64_t)i->second.count)
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.detail("TotalSize", i->second.totalSize)
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.detail("SampleCount", i->second.sampleCount)
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.detail("Hash", format("%lld", i->first))
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.detail("Bt", backTraceStr);
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totalSize += i->second.totalSize;
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totalCount += i->second.count;
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}
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TraceEvent("MemSampleSummary")
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.detail("InverseByteSampleRatio", SAMPLE_BYTES)
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.detail("MemorySamples", memSampleSize)
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.detail("BackTraces", traceCounts.size())
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.detail("TotalSize", totalSize)
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.detail("TotalCount", totalCount);
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TraceEvent("MemSample")
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.detail("Count", traceCounts.size())
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.detail("TotalSize", traceCounts.size() * ((int)(sizeof(uint32_t) + sizeof(size_t) + sizeof(size_t))))
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.detail("SampleCount", traceCounts.size())
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.detail("Hash", "backTraces")
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.detail("Bt", "na");
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TraceEvent("MemSample")
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.detail("Count", memSampleSize)
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.detail("TotalSize", memSampleSize * ((int)(sizeof(void*) + sizeof(uint32_t) + sizeof(size_t))))
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.detail("SampleCount", memSampleSize)
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.detail("Hash", "memSamples")
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.detail("Bt", "na");
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TRACEALLOCATOR(16);
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TRACEALLOCATOR(32);
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TRACEALLOCATOR(64);
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TRACEALLOCATOR(128);
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TRACEALLOCATOR(256);
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TRACEALLOCATOR(512);
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TRACEALLOCATOR(1024);
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TRACEALLOCATOR(2048);
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TRACEALLOCATOR(4096);
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}
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}
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#endif
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statState->networkMetricsState = g_network->networkMetrics;
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statState->networkState = netData;
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return currentStats;
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}
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