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Merge pull request #1360 from obscuren/peter-metrics

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Rebased peter's PR
This commit is contained in:
Jeffrey Wilcke 2015-06-29 16:58:49 -07:00
commit e896cab82c
13 changed files with 326 additions and 83 deletions
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25
cmd/geth/main.go
View File

@ -39,11 +39,11 @@ import (
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/eth"
"github.com/ethereum/go-ethereum/logger"
"github.com/ethereum/go-ethereum/metrics"
"github.com/ethereum/go-ethereum/rpc/codec"
"github.com/ethereum/go-ethereum/rpc/comms"
"github.com/mattn/go-colorable"
"github.com/mattn/go-isatty"
"github.com/rcrowley/go-metrics"
)
const (
@ -272,6 +272,7 @@ JavaScript API. See https://github.com/ethereum/go-ethereum/wiki/Javascipt-Conso
utils.LogJSONFlag,
utils.PProfEanbledFlag,
utils.PProfPortFlag,
utils.MetricsEnabledFlag,
utils.SolcPathFlag,
utils.GpoMinGasPriceFlag,
utils.GpoMaxGasPriceFlag,
@ -288,27 +289,7 @@ JavaScript API. See https://github.com/ethereum/go-ethereum/wiki/Javascipt-Conso
return nil
}
// Start system runtime metrics collection
go func() {
allocs := metrics.GetOrRegisterMeter("system/memory/allocs", metrics.DefaultRegistry)
frees := metrics.GetOrRegisterMeter("system/memory/frees", metrics.DefaultRegistry)
inuse := metrics.GetOrRegisterMeter("system/memory/inuse", metrics.DefaultRegistry)
pauses := metrics.GetOrRegisterMeter("system/memory/pauses", metrics.DefaultRegistry)
stats := make([]*runtime.MemStats, 2)
for i := 0; i < len(stats); i++ {
stats[i] = new(runtime.MemStats)
}
for i := 1; ; i++ {
runtime.ReadMemStats(stats[i%2])
allocs.Mark(int64(stats[i%2].Mallocs - stats[(i-1)%2].Mallocs))
frees.Mark(int64(stats[i%2].Frees - stats[(i-1)%2].Frees))
inuse.Mark(int64(stats[i%2].Alloc - stats[(i-1)%2].Alloc))
pauses.Mark(int64(stats[i%2].PauseTotalNs - stats[(i-1)%2].PauseTotalNs))
time.Sleep(3 * time.Second)
}
}()
go metrics.CollectProcessMetrics(3 * time.Second)
}
func main() {

9
cmd/geth/monitorcmd.go
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@ -75,7 +75,12 @@ func monitor(ctx *cli.Context) {
if len(monitored) == 0 {
list := expandMetrics(metrics, "")
sort.Strings(list)
utils.Fatalf("No metrics specified.\n\nAvailable:\n - %s", strings.Join(list, "\n - "))
if len(list) > 0 {
utils.Fatalf("No metrics specified.\n\nAvailable:\n - %s", strings.Join(list, "\n - "))
} else {
utils.Fatalf("No metrics collected by geth (--%s).\n", utils.MetricsEnabledFlag.Name)
}
}
sort.Strings(monitored)
if cols := len(monitored) / ctx.Int(monitorCommandRowsFlag.Name); cols > 6 {
@ -285,7 +290,7 @@ func updateChart(metric string, data []float64, base *int, chart *termui.LineCha
}
// Update the chart's label with the scale units
units := dataUnits
if strings.Contains(metric, "/Percentiles/") || strings.Contains(metric, "/pauses/") {
if strings.Contains(metric, "/Percentiles/") || strings.Contains(metric, "/pauses/") || strings.Contains(metric, "/time/") {
units = timeUnits
}
chart.Border.Label = metric

6
cmd/utils/flags.go
View File

@ -10,6 +10,8 @@ import (
"path/filepath"
"runtime"
"github.com/ethereum/go-ethereum/metrics"
"github.com/codegangsta/cli"
"github.com/ethereum/ethash"
"github.com/ethereum/go-ethereum/accounts"
@ -187,6 +189,10 @@ var (
Usage: "Port on which the profiler should listen",
Value: 6060,
}
MetricsEnabledFlag = cli.BoolFlag{
Name: metrics.MetricsEnabledFlag,
Usage: "Enables metrics collection and reporting",
}
// RPC settings
RPCEnabledFlag = cli.BoolFlag{

4
core/chain_manager.go
View File

@ -18,11 +18,11 @@ import (
"github.com/ethereum/go-ethereum/event"
"github.com/ethereum/go-ethereum/logger"
"github.com/ethereum/go-ethereum/logger/glog"
"github.com/ethereum/go-ethereum/metrics"
"github.com/ethereum/go-ethereum/params"
"github.com/ethereum/go-ethereum/pow"
"github.com/ethereum/go-ethereum/rlp"
"github.com/hashicorp/golang-lru"
"github.com/rcrowley/go-metrics"
"github.com/syndtr/goleveldb/leveldb"
)
@ -33,7 +33,7 @@ var (
blockHashPre = []byte("block-hash-")
blockNumPre = []byte("block-num-")
blockInsertTimer = metrics.GetOrRegisterTimer("core/BlockInsertions", metrics.DefaultRegistry)
blockInsertTimer = metrics.NewTimer("chain/inserts")
)
const (

42
eth/backend.go
View File

@ -11,6 +11,8 @@ import (
"strings"
"time"
"github.com/ethereum/go-ethereum/metrics"
"github.com/ethereum/ethash"
"github.com/ethereum/go-ethereum/accounts"
"github.com/ethereum/go-ethereum/common"
@ -29,7 +31,6 @@ import (
"github.com/ethereum/go-ethereum/p2p/discover"
"github.com/ethereum/go-ethereum/p2p/nat"
"github.com/ethereum/go-ethereum/whisper"
"github.com/rcrowley/go-metrics"
)
const (
@ -250,33 +251,42 @@ func New(config *Config) (*Ethereum, error) {
return nil, fmt.Errorf("blockchain db err: %v", err)
}
if db, ok := blockDb.(*ethdb.LDBDatabase); ok {
db.GetTimer = metrics.GetOrRegisterTimer("eth/db/block/Gets", metrics.DefaultRegistry)
db.PutTimer = metrics.GetOrRegisterTimer("eth/db/block/Puts", metrics.DefaultRegistry)
db.MissMeter = metrics.GetOrRegisterMeter("eth/db/block/Misses", metrics.DefaultRegistry)
db.ReadMeter = metrics.GetOrRegisterMeter("eth/db/block/Reads", metrics.DefaultRegistry)
db.WriteMeter = metrics.GetOrRegisterMeter("eth/db/block/Writes", metrics.DefaultRegistry)
db.GetTimer = metrics.NewTimer("eth/db/block/user/gets")
db.PutTimer = metrics.NewTimer("eth/db/block/user/puts")
db.MissMeter = metrics.NewMeter("eth/db/block/user/misses")
db.ReadMeter = metrics.NewMeter("eth/db/block/user/reads")
db.WriteMeter = metrics.NewMeter("eth/db/block/user/writes")
db.CompTimeMeter = metrics.NewMeter("eth/db/block/compact/time")
db.CompReadMeter = metrics.NewMeter("eth/db/block/compact/input")
db.CompWriteMeter = metrics.NewMeter("eth/db/block/compact/output")
}
stateDb, err := newdb(filepath.Join(config.DataDir, "state"))
if err != nil {
return nil, fmt.Errorf("state db err: %v", err)
}
if db, ok := stateDb.(*ethdb.LDBDatabase); ok {
db.GetTimer = metrics.GetOrRegisterTimer("eth/db/state/Gets", metrics.DefaultRegistry)
db.PutTimer = metrics.GetOrRegisterTimer("eth/db/state/Puts", metrics.DefaultRegistry)
db.MissMeter = metrics.GetOrRegisterMeter("eth/db/state/Misses", metrics.DefaultRegistry)
db.ReadMeter = metrics.GetOrRegisterMeter("eth/db/state/Reads", metrics.DefaultRegistry)
db.WriteMeter = metrics.GetOrRegisterMeter("eth/db/state/Writes", metrics.DefaultRegistry)
db.GetTimer = metrics.NewTimer("eth/db/state/user/gets")
db.PutTimer = metrics.NewTimer("eth/db/state/user/puts")
db.MissMeter = metrics.NewMeter("eth/db/state/user/misses")
db.ReadMeter = metrics.NewMeter("eth/db/state/user/reads")
db.WriteMeter = metrics.NewMeter("eth/db/state/user/writes")
db.CompTimeMeter = metrics.NewMeter("eth/db/state/compact/time")
db.CompReadMeter = metrics.NewMeter("eth/db/state/compact/input")
db.CompWriteMeter = metrics.NewMeter("eth/db/state/compact/output")
}
extraDb, err := newdb(filepath.Join(config.DataDir, "extra"))
if err != nil {
return nil, fmt.Errorf("extra db err: %v", err)
}
if db, ok := extraDb.(*ethdb.LDBDatabase); ok {
db.GetTimer = metrics.GetOrRegisterTimer("eth/db/extra/Gets", metrics.DefaultRegistry)
db.PutTimer = metrics.GetOrRegisterTimer("eth/db/extra/Puts", metrics.DefaultRegistry)
db.MissMeter = metrics.GetOrRegisterMeter("eth/db/extra/Misses", metrics.DefaultRegistry)
db.ReadMeter = metrics.GetOrRegisterMeter("eth/db/extra/Reads", metrics.DefaultRegistry)
db.WriteMeter = metrics.GetOrRegisterMeter("eth/db/extra/Writes", metrics.DefaultRegistry)
db.GetTimer = metrics.NewTimer("eth/db/extra/user/gets")
db.PutTimer = metrics.NewTimer("eth/db/extra/user/puts")
db.MissMeter = metrics.NewMeter("eth/db/extra/user/misses")
db.ReadMeter = metrics.NewMeter("eth/db/extra/user/reads")
db.WriteMeter = metrics.NewMeter("eth/db/extra/user/writes")
db.CompTimeMeter = metrics.NewMeter("eth/db/extra/compact/time")
db.CompReadMeter = metrics.NewMeter("eth/db/extra/compact/input")
db.CompWriteMeter = metrics.NewMeter("eth/db/extra/compact/output")
}
nodeDb := filepath.Join(config.DataDir, "nodes")

30
eth/fetcher/fetcher.go
View File

@ -7,13 +7,11 @@ import (
"math/rand"
"time"
"github.com/ethereum/go-ethereum/core"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/core"
"github.com/ethereum/go-ethereum/core/types"
"github.com/ethereum/go-ethereum/logger"
"github.com/ethereum/go-ethereum/logger/glog"
"github.com/rcrowley/go-metrics"
"gopkg.in/karalabe/cookiejar.v2/collections/prque"
)
@ -99,14 +97,6 @@ type Fetcher struct {
// Testing hooks
fetchingHook func([]common.Hash) // Method to call upon starting a block fetch
importedHook func(*types.Block) // Method to call upon successful block import
// Runtime metrics
announceMeter metrics.Meter // Counter for metering the inbound announcements
announceTimer metrics.Timer // Counter and timer for metering the announce forwarding
broadcastMeter metrics.Meter // Counter for metering the inbound propagations
broadcastTimer metrics.Timer // Counter and timer for metering the block forwarding
discardMeter metrics.Meter // Counter for metering the discarded blocks
futureMeter metrics.Meter // Counter for metering future blocks
}
// New creates a block fetcher to retrieve blocks based on hash announcements.
@ -129,12 +119,6 @@ func New(getBlock blockRetrievalFn, validateBlock blockValidatorFn, broadcastBlo
chainHeight: chainHeight,
insertChain: insertChain,
dropPeer: dropPeer,
announceMeter: metrics.GetOrRegisterMeter("eth/sync/RemoteAnnounces", metrics.DefaultRegistry),
announceTimer: metrics.GetOrRegisterTimer("eth/sync/LocalAnnounces", metrics.DefaultRegistry),
broadcastMeter: metrics.GetOrRegisterMeter("eth/sync/RemoteBroadcasts", metrics.DefaultRegistry),
broadcastTimer: metrics.GetOrRegisterTimer("eth/sync/LocalBroadcasts", metrics.DefaultRegistry),
discardMeter: metrics.GetOrRegisterMeter("eth/sync/DiscardedBlocks", metrics.DefaultRegistry),
futureMeter: metrics.GetOrRegisterMeter("eth/sync/FutureBlocks", metrics.DefaultRegistry),
}
}
@ -246,7 +230,7 @@ func (f *Fetcher) loop() {
case notification := <-f.notify:
// A block was announced, make sure the peer isn't DOSing us
f.announceMeter.Mark(1)
announceMeter.Mark(1)
count := f.announces[notification.origin] + 1
if count > hashLimit {
@ -265,7 +249,7 @@ func (f *Fetcher) loop() {
case op := <-f.inject:
// A direct block insertion was requested, try and fill any pending gaps
f.broadcastMeter.Mark(1)
broadcastMeter.Mark(1)
f.enqueue(op.origin, op.block)
case hash := <-f.done:
@ -384,7 +368,7 @@ func (f *Fetcher) enqueue(peer string, block *types.Block) {
// Discard any past or too distant blocks
if dist := int64(block.NumberU64()) - int64(f.chainHeight()); dist < -maxUncleDist || dist > maxQueueDist {
glog.V(logger.Debug).Infof("Peer %s: discarded block #%d [%x], distance %d", peer, block.NumberU64(), hash.Bytes()[:4], dist)
f.discardMeter.Mark(1)
discardMeter.Mark(1)
return
}
// Schedule the block for future importing
@ -423,11 +407,11 @@ func (f *Fetcher) insert(peer string, block *types.Block) {
switch err := f.validateBlock(block, parent); err {
case nil:
// All ok, quickly propagate to our peers
f.broadcastTimer.UpdateSince(block.ReceivedAt)
broadcastTimer.UpdateSince(block.ReceivedAt)
go f.broadcastBlock(block, true)
case core.BlockFutureErr:
f.futureMeter.Mark(1)
futureMeter.Mark(1)
// Weird future block, don't fail, but neither propagate
default:
@ -442,7 +426,7 @@ func (f *Fetcher) insert(peer string, block *types.Block) {
return
}
// If import succeeded, broadcast the block
f.announceTimer.UpdateSince(block.ReceivedAt)
announceTimer.UpdateSince(block.ReceivedAt)
go f.broadcastBlock(block, false)
// Invoke the testing hook if needed

16
eth/fetcher/metrics.go Normal file
View File

@ -0,0 +1,16 @@
// Contains the metrics collected by the fetcher.
package fetcher
import (
"github.com/ethereum/go-ethereum/metrics"
)
var (
announceMeter = metrics.NewMeter("eth/sync/RemoteAnnounces")
announceTimer = metrics.NewTimer("eth/sync/LocalAnnounces")
broadcastMeter = metrics.NewMeter("eth/sync/RemoteBroadcasts")
broadcastTimer = metrics.NewTimer("eth/sync/LocalBroadcasts")
discardMeter = metrics.NewMeter("eth/sync/DiscardedBlocks")
futureMeter = metrics.NewMeter("eth/sync/FutureBlocks")
)

97
ethdb/database.go
View File

@ -1,6 +1,8 @@
package ethdb
import (
"strconv"
"strings"
"time"
"github.com/ethereum/go-ethereum/compression/rle"
@ -19,12 +21,15 @@ type LDBDatabase struct {
fn string // filename for reporting
db *leveldb.DB // LevelDB instance
GetTimer metrics.Timer // Timer for measuring the database get request counts and latencies
PutTimer metrics.Timer // Timer for measuring the database put request counts and latencies
DelTimer metrics.Timer // Timer for measuring the database delete request counts and latencies
MissMeter metrics.Meter // MEter for measuring the missed database get requests
ReadMeter metrics.Meter // Meter for measuring the database get request data usage
WriteMeter metrics.Meter // Meter for measuring the database put request data usage
GetTimer metrics.Timer // Timer for measuring the database get request counts and latencies
PutTimer metrics.Timer // Timer for measuring the database put request counts and latencies
DelTimer metrics.Timer // Timer for measuring the database delete request counts and latencies
MissMeter metrics.Meter // Meter for measuring the missed database get requests
ReadMeter metrics.Meter // Meter for measuring the database get request data usage
WriteMeter metrics.Meter // Meter for measuring the database put request data usage
CompTimeMeter metrics.Meter // Meter for measuring the total time spent in database compaction
CompReadMeter metrics.Meter // Meter for measuring the data read during compaction
CompWriteMeter metrics.Meter // Meter for measuring the data written during compaction
}
// NewLDBDatabase returns a LevelDB wrapped object. LDBDatabase does not persist data by
@ -45,6 +50,7 @@ func NewLDBDatabase(file string) (*LDBDatabase, error) {
fn: file,
db: db,
}
go database.meter(3 * time.Second)
return database, nil
}
@ -53,8 +59,7 @@ func NewLDBDatabase(file string) (*LDBDatabase, error) {
func (self *LDBDatabase) Put(key []byte, value []byte) error {
// Measure the database put latency, if requested
if self.PutTimer != nil {
start := time.Now()
defer self.PutTimer.UpdateSince(start)
defer self.PutTimer.UpdateSince(time.Now())
}
// Generate the data to write to disk, update the meter and write
dat := rle.Compress(value)
@ -69,8 +74,7 @@ func (self *LDBDatabase) Put(key []byte, value []byte) error {
func (self *LDBDatabase) Get(key []byte) ([]byte, error) {
// Measure the database get latency, if requested
if self.GetTimer != nil {
start := time.Now()
defer self.GetTimer.UpdateSince(start)
defer self.GetTimer.UpdateSince(time.Now())
}
// Retrieve the key and increment the miss counter if not found
dat, err := self.db.Get(key, nil)
@ -91,8 +95,7 @@ func (self *LDBDatabase) Get(key []byte) ([]byte, error) {
func (self *LDBDatabase) Delete(key []byte) error {
// Measure the database delete latency, if requested
if self.DelTimer != nil {
start := time.Now()
defer self.DelTimer.UpdateSince(start)
defer self.DelTimer.UpdateSince(time.Now())
}
// Execute the actual operation
return self.db.Delete(key, nil)
@ -111,7 +114,6 @@ func (self *LDBDatabase) Close() {
if err := self.Flush(); err != nil {
glog.V(logger.Error).Infof("error: flush '%s': %v\n", self.fn, err)
}
self.db.Close()
glog.V(logger.Error).Infoln("flushed and closed db:", self.fn)
}
@ -119,3 +121,72 @@ func (self *LDBDatabase) Close() {
func (self *LDBDatabase) LDB() *leveldb.DB {
return self.db
}
// meter periodically retrieves internal leveldb counters and reports them to
// the metrics subsystem.
//
// This is how a stats table look like (currently):
// Compactions
// Level | Tables | Size(MB) | Time(sec) | Read(MB) | Write(MB)
// -------+------------+---------------+---------------+---------------+---------------
// 0 | 0 | 0.00000 | 1.27969 | 0.00000 | 12.31098
// 1 | 85 | 109.27913 | 28.09293 | 213.92493 | 214.26294
// 2 | 523 | 1000.37159 | 7.26059 | 66.86342 | 66.77884
// 3 | 570 | 1113.18458 | 0.00000 | 0.00000 | 0.00000
func (self *LDBDatabase) meter(refresh time.Duration) {
// Create the counters to store current and previous values
counters := make([][]float64, 2)
for i := 0; i < 2; i++ {
counters[i] = make([]float64, 3)
}
// Iterate ad infinitum and collect the stats
for i := 1; ; i++ {
// Retrieve the database stats
stats, err := self.db.GetProperty("leveldb.stats")
if err != nil {
glog.V(logger.Error).Infof("failed to read database stats: %v", err)
return
}
// Find the compaction table, skip the header
lines := strings.Split(stats, "\n")
for len(lines) > 0 && strings.TrimSpace(lines[0]) != "Compactions" {
lines = lines[1:]
}
if len(lines) <= 3 {
glog.V(logger.Error).Infof("compaction table not found")
return
}
lines = lines[3:]
// Iterate over all the table rows, and accumulate the entries
for j := 0; j < len(counters[i%2]); j++ {
counters[i%2][j] = 0
}
for _, line := range lines {
parts := strings.Split(line, "|")
if len(parts) != 6 {
break
}
for idx, counter := range parts[3:] {
if value, err := strconv.ParseFloat(strings.TrimSpace(counter), 64); err != nil {
glog.V(logger.Error).Infof("compaction entry parsing failed: %v", err)
return
} else {
counters[i%2][idx] += value
}
}
}
// Update all the requested meters
if self.CompTimeMeter != nil {
self.CompTimeMeter.Mark(int64((counters[i%2][0] - counters[(i-1)%2][0]) * 1000 * 1000 * 1000))
}
if self.CompReadMeter != nil {
self.CompReadMeter.Mark(int64((counters[i%2][1] - counters[(i-1)%2][1]) * 1024 * 1024))
}
if self.CompWriteMeter != nil {
self.CompWriteMeter.Mark(int64((counters[i%2][2] - counters[(i-1)%2][2]) * 1024 * 1024))
}
// Sleep a bit, then repeat the stats collection
time.Sleep(refresh)
}
}

9
metrics/disk.go Normal file
View File

@ -0,0 +1,9 @@
package metrics
// DiskStats is the per process disk io stats.
type DiskStats struct {
ReadCount int64 // Number of read operations executed
ReadBytes int64 // Total number of bytes read
WriteCount int64 // Number of write operations executed
WriteBytes int64 // Total number of byte written
}

55
metrics/disk_linux.go Normal file
View File

@ -0,0 +1,55 @@
// Contains the Linux implementation of process disk IO counter retrieval.
package metrics
import (
"bufio"
"fmt"
"io"
"os"
"strconv"
"strings"
)
// ReadDiskStats retrieves the disk IO stats belonging to the current process.
func ReadDiskStats(stats *DiskStats) error {
// Open the process disk IO counter file
inf, err := os.Open(fmt.Sprintf("/proc/%d/io", os.Getpid()))
if err != nil {
return err
}
in := bufio.NewReader(inf)
// Iterate over the IO counter, and extract what we need
for {
// Read the next line and split to key and value
line, err := in.ReadString('\n')
if err != nil {
if err == io.EOF {
return nil
}
return err
}
key, value := "", int64(0)
if parts := strings.Split(line, ":"); len(parts) != 2 {
continue
} else {
key = strings.TrimSpace(parts[0])
if value, err = strconv.ParseInt(strings.TrimSpace(parts[1]), 10, 64); err != nil {
return err
}
}
// Update the counter based on the key
switch key {
case "syscr":
stats.ReadCount = value
case "syscw":
stats.WriteCount = value
case "rchar":
stats.ReadBytes = value
case "wchar":
stats.WriteBytes = value
}
}
return nil
}

10
metrics/disk_nop.go Normal file
View File

@ -0,0 +1,10 @@
// +build !linux
package metrics
import "errors"
// ReadDiskStats retrieves the disk IO stats belonging to the current process.
func ReadDiskStats(stats *DiskStats) error {
return errors.New("Not implemented")
}

96
metrics/metrics.go Normal file
View File

@ -0,0 +1,96 @@
// Package metrics provides general system and process level metrics collection.
package metrics
import (
"os"
"runtime"
"strings"
"time"
"github.com/ethereum/go-ethereum/logger"
"github.com/ethereum/go-ethereum/logger/glog"
"github.com/rcrowley/go-metrics"
)
// MetricsEnabledFlag is the CLI flag name to use to enable metrics collections.
var MetricsEnabledFlag = "metrics"
// enabled is the flag specifying if metrics are enable or not.
var enabled = false
// Init enables or disables the metrics system. Since we need this to run before
// any other code gets to create meters and timers, we'll actually do an ugly hack
// and peek into the command line args for the metrics flag.
func init() {
for _, arg := range os.Args {
if strings.TrimLeft(arg, "-") == MetricsEnabledFlag {
glog.V(logger.Info).Infof("Enabling metrics collection")
enabled = true
}
}
}
// NewMeter create a new metrics Meter, either a real one of a NOP stub depending
// on the metrics flag.
func NewMeter(name string) metrics.Meter {
if !enabled {
return new(metrics.NilMeter)
}
return metrics.GetOrRegisterMeter(name, metrics.DefaultRegistry)
}
// NewTimer create a new metrics Timer, either a real one of a NOP stub depending
// on the metrics flag.
func NewTimer(name string) metrics.Timer {
if !enabled {
return new(metrics.NilTimer)
}
return metrics.GetOrRegisterTimer(name, metrics.DefaultRegistry)
}
// CollectProcessMetrics periodically collects various metrics about the running
// process.
func CollectProcessMetrics(refresh time.Duration) {
// Short circuit if the metrics system is disabled
if !enabled {
return
}
// Create the various data collectors
memstats := make([]*runtime.MemStats, 2)
diskstats := make([]*DiskStats, 2)
for i := 0; i < len(memstats); i++ {
memstats[i] = new(runtime.MemStats)
diskstats[i] = new(DiskStats)
}
// Define the various metrics to collect
memAllocs := metrics.GetOrRegisterMeter("system/memory/allocs", metrics.DefaultRegistry)
memFrees := metrics.GetOrRegisterMeter("system/memory/frees", metrics.DefaultRegistry)
memInuse := metrics.GetOrRegisterMeter("system/memory/inuse", metrics.DefaultRegistry)
memPauses := metrics.GetOrRegisterMeter("system/memory/pauses", metrics.DefaultRegistry)
var diskReads, diskReadBytes, diskWrites, diskWriteBytes metrics.Meter
if err := ReadDiskStats(diskstats[0]); err == nil {
diskReads = metrics.GetOrRegisterMeter("system/disk/readcount", metrics.DefaultRegistry)
diskReadBytes = metrics.GetOrRegisterMeter("system/disk/readdata", metrics.DefaultRegistry)
diskWrites = metrics.GetOrRegisterMeter("system/disk/writecount", metrics.DefaultRegistry)
diskWriteBytes = metrics.GetOrRegisterMeter("system/disk/writedata", metrics.DefaultRegistry)
} else {
glog.V(logger.Debug).Infof("failed to read disk metrics: %v", err)
}
// Iterate loading the different stats and updating the meters
for i := 1; ; i++ {
runtime.ReadMemStats(memstats[i%2])
memAllocs.Mark(int64(memstats[i%2].Mallocs - memstats[(i-1)%2].Mallocs))
memFrees.Mark(int64(memstats[i%2].Frees - memstats[(i-1)%2].Frees))
memInuse.Mark(int64(memstats[i%2].Alloc - memstats[(i-1)%2].Alloc))
memPauses.Mark(int64(memstats[i%2].PauseTotalNs - memstats[(i-1)%2].PauseTotalNs))
if ReadDiskStats(diskstats[i%2]) == nil {
diskReads.Mark(int64(diskstats[i%2].ReadCount - diskstats[(i-1)%2].ReadCount))
diskReadBytes.Mark(int64(diskstats[i%2].ReadBytes - diskstats[(i-1)%2].ReadBytes))
diskWrites.Mark(int64(diskstats[i%2].WriteCount - diskstats[(i-1)%2].WriteCount))
diskWriteBytes.Mark(int64(diskstats[i%2].WriteBytes - diskstats[(i-1)%2].WriteBytes))
}
time.Sleep(refresh)
}
}

10
p2p/metrics.go
View File

@ -5,14 +5,14 @@ package p2p
import (
"net"
"github.com/rcrowley/go-metrics"
"github.com/ethereum/go-ethereum/metrics"
)
var (
ingressConnectMeter = metrics.GetOrRegisterMeter("p2p/InboundConnects", metrics.DefaultRegistry)
ingressTrafficMeter = metrics.GetOrRegisterMeter("p2p/InboundTraffic", metrics.DefaultRegistry)
egressConnectMeter = metrics.GetOrRegisterMeter("p2p/OutboundConnects", metrics.DefaultRegistry)
egressTrafficMeter = metrics.GetOrRegisterMeter("p2p/OutboundTraffic", metrics.DefaultRegistry)
ingressConnectMeter = metrics.NewMeter("p2p/InboundConnects")
ingressTrafficMeter = metrics.NewMeter("p2p/InboundTraffic")
egressConnectMeter = metrics.NewMeter("p2p/OutboundConnects")
egressTrafficMeter = metrics.NewMeter("p2p/OutboundTraffic")
)
// meteredConn is a wrapper around a network TCP connection that meters both the