cmd/geth, eth/fetcher: polish metrics reporting, add some more

cmd/geth/admin.go

@@ -6,10 +6,9 @@ import (
 	"fmt"
 	"math/big"
 	"strconv"
+	"strings"
 	"time"
 
-	"github.com/rcrowley/go-metrics"
-
 	"github.com/ethereum/ethash"
 	"github.com/ethereum/go-ethereum/accounts"
 	"github.com/ethereum/go-ethereum/cmd/utils"
@@ -25,6 +24,7 @@ import (
 	"github.com/ethereum/go-ethereum/rlp"
 	"github.com/ethereum/go-ethereum/rpc"
 	"github.com/ethereum/go-ethereum/xeth"
+	"github.com/rcrowley/go-metrics"
 	"github.com/robertkrimen/otto"
 	"gopkg.in/fatih/set.v0"
 )
@@ -723,17 +723,56 @@ func (js *jsre) waitForBlocks(call otto.FunctionCall) otto.Value {
 }
 
 func (js *jsre) metrics(call otto.FunctionCall) otto.Value {
+	// Create a rate formatter
+	units := []string{"", "K", "M", "G", "T", "E", "P"}
+	round := func(value float64, prec int) string {
+		unit := 0
+		for value >= 1000 {
+			unit, value, prec = unit+1, value/1000, 2
+		}
+		return fmt.Sprintf(fmt.Sprintf("%%.%df%s", prec, units[unit]), value)
+	}
+	format := func(total float64, rate float64) string {
+		return fmt.Sprintf("%s (%s/s)", round(total, 0), round(rate, 2))
+	}
+
 	// Iterate over all the metrics, and just dump for now
 	counters := make(map[string]interface{})
 	metrics.DefaultRegistry.Each(func(name string, metric interface{}) {
+		// Create or retrieve the counter hierarchy for this metric
+		root, parts := counters, strings.Split(name, "/")
+		for _, part := range parts[:len(parts)-1] {
+			if _, ok := root[part]; !ok {
+				root[part] = make(map[string]interface{})
+			}
+			root = root[part].(map[string]interface{})
+		}
+		name = parts[len(parts)-1]
+
+		// Fill the counter with the metric details
 		switch metric := metric.(type) {
 		case metrics.Meter:
-			counters[name+"( 1 min)"] = int(metric.Rate1() * 60)
+			root[name] = map[string]interface{}{
-			counters[name+"( 5 min)"] = int(metric.Rate5() * 300)
+				"Avg01Min": format(metric.Rate1()*60, metric.Rate1()),
-			counters[name+"(15 min)"] = int(metric.Rate15() * 900)
+				"Avg05Min": format(metric.Rate5()*300, metric.Rate5()),
+				"Avg15Min": format(metric.Rate15()*900, metric.Rate15()),
+				"Overall":  format(float64(metric.Count()), metric.RateMean()),
+			}
+
+		case metrics.Timer:
+			root[name] = map[string]interface{}{
+				"Avg01Min": format(metric.Rate1()*60, metric.Rate1()),
+				"Avg05Min": format(metric.Rate5()*300, metric.Rate5()),
+				"Avg15Min": format(metric.Rate15()*900, metric.Rate15()),
+				"Overall":  format(float64(metric.Count()), metric.RateMean()),
+				"Perc01":   round(metric.Percentile(1), 2),
+				"Perc05":   round(metric.Percentile(5), 2),
+				"Perc25":   round(metric.Percentile(25), 2),
+				"Perc90":   round(metric.Percentile(90), 2),
+			}
 
 		default:
-			counters[name] = "Unknown metric type"
+			root[name] = "Unknown metric type"
 		}
 	})
 	// Flatten the counters into some metrics and return

eth/fetcher/fetcher.go

@@ -7,12 +7,11 @@ import (
 	"math/rand"
 	"time"
 
-	"github.com/rcrowley/go-metrics"
-
 	"github.com/ethereum/go-ethereum/common"
 	"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"
 )
 
@@ -100,9 +99,11 @@ type Fetcher struct {
 	importedHook func(*types.Block)  // Method to call upon successful block import
 
 	// Runtime metrics
-	announceStats  metrics.Meter
+	announceMeter  metrics.Meter // Counter for metering the inbound announcements
-	broadcastStats metrics.Meter
+	announceTimer  metrics.Timer // Counter and timer for metering the announce forwarding
-	discardStats   metrics.Meter
+	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
 }
 
 // New creates a block fetcher to retrieve blocks based on hash announcements.
@@ -125,9 +126,11 @@ func New(getBlock blockRetrievalFn, validateBlock blockValidatorFn, broadcastBlo
 		chainHeight:    chainHeight,
 		insertChain:    insertChain,
 		dropPeer:       dropPeer,
-		announceStats:  metrics.GetOrRegisterMeter("eth/Announced Blocks", metrics.DefaultRegistry),
+		announceMeter:  metrics.GetOrRegisterMeter("eth/RemoteAnnounces", metrics.DefaultRegistry),
-		broadcastStats: metrics.GetOrRegisterMeter("eth/Propagated Blocks", metrics.DefaultRegistry),
+		announceTimer:  metrics.GetOrRegisterTimer("eth/LocalAnnounces", metrics.DefaultRegistry),
-		discardStats:   metrics.GetOrRegisterMeter("eth/Discarded Blocks", metrics.DefaultRegistry),
+		broadcastMeter: metrics.GetOrRegisterMeter("eth/RemoteBroadcasts", metrics.DefaultRegistry),
+		broadcastTimer: metrics.GetOrRegisterTimer("eth/LocalBroadcasts", metrics.DefaultRegistry),
+		discardMeter:   metrics.GetOrRegisterMeter("eth/DiscardedBlocks", metrics.DefaultRegistry),
 	}
 }
 
@@ -239,7 +242,7 @@ func (f *Fetcher) loop() {
 
 		case notification := <-f.notify:
 			// A block was announced, make sure the peer isn't DOSing us
-			f.announceStats.Mark(1)
+			f.announceMeter.Mark(1)
 
 			count := f.announces[notification.origin] + 1
 			if count > hashLimit {
@@ -258,7 +261,7 @@ func (f *Fetcher) loop() {
 
 		case op := <-f.inject:
 			// A direct block insertion was requested, try and fill any pending gaps
-			f.broadcastStats.Mark(1)
+			f.broadcastMeter.Mark(1)
 			f.enqueue(op.origin, op.block)
 
 		case hash := <-f.done:
@@ -418,6 +421,7 @@ func (f *Fetcher) insert(peer string, block *types.Block) {
 			f.dropPeer(peer)
 			return
 		}
+		f.broadcastTimer.UpdateSince(block.ReceivedAt)
 		go f.broadcastBlock(block, true)
 
 		// Run the actual import and log any issues
@@ -426,6 +430,7 @@ func (f *Fetcher) insert(peer string, block *types.Block) {
 			return
 		}
 		// If import succeeded, broadcast the block
+		f.announceTimer.UpdateSince(block.ReceivedAt)
 		go f.broadcastBlock(block, false)
 
 		// Invoke the testing hook if needed