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