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core, ethdb, metrics, p2p: expose various counter metrics for grafana

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This commit is contained in:
Péter Szilágyi
2019-06-10 14:21:02 +03:00
parent f9c0e093ed
commit b02958b9c5
15 changed files with 341 additions and 117 deletions
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16
ethdb/leveldb/leveldb.go
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@ -67,6 +67,7 @@ type Database struct {
compWriteMeter metrics.Meter // Meter for measuring the data written during compaction
writeDelayNMeter metrics.Meter // Meter for measuring the write delay number due to database compaction
writeDelayMeter metrics.Meter // Meter for measuring the write delay duration due to database compaction
diskSizeGauge metrics.Gauge // Gauge for tracking the size of all the levels in the database
diskReadMeter metrics.Meter // Meter for measuring the effective amount of data read
diskWriteMeter metrics.Meter // Meter for measuring the effective amount of data written
@ -112,6 +113,7 @@ func New(file string, cache int, handles int, namespace string) (*Database, erro
ldb.compTimeMeter = metrics.NewRegisteredMeter(namespace+"compact/time", nil)
ldb.compReadMeter = metrics.NewRegisteredMeter(namespace+"compact/input", nil)
ldb.compWriteMeter = metrics.NewRegisteredMeter(namespace+"compact/output", nil)
ldb.diskSizeGauge = metrics.NewRegisteredGauge(namespace+"disk/size", nil)
ldb.diskReadMeter = metrics.NewRegisteredMeter(namespace+"disk/read", nil)
ldb.diskWriteMeter = metrics.NewRegisteredMeter(namespace+"disk/write", nil)
ldb.writeDelayMeter = metrics.NewRegisteredMeter(namespace+"compact/writedelay/duration", nil)
@ -233,7 +235,7 @@ func (db *Database) meter(refresh time.Duration) {
// Create the counters to store current and previous compaction values
compactions := make([][]float64, 2)
for i := 0; i < 2; i++ {
compactions[i] = make([]float64, 3)
compactions[i] = make([]float64, 4)
}
// Create storage for iostats.
var iostats [2]float64
@ -279,7 +281,7 @@ func (db *Database) meter(refresh time.Duration) {
if len(parts) != 6 {
break
}
for idx, counter := range parts[3:] {
for idx, counter := range parts[2:] {
value, err := strconv.ParseFloat(strings.TrimSpace(counter), 64)
if err != nil {
db.log.Error("Compaction entry parsing failed", "err", err)
@ -290,16 +292,18 @@ func (db *Database) meter(refresh time.Duration) {
}
}
// Update all the requested meters
if db.diskSizeGauge != nil {
db.diskSizeGauge.Update(int64(compactions[i%2][0] * 1024 * 1024))
}
if db.compTimeMeter != nil {
db.compTimeMeter.Mark(int64((compactions[i%2][0] - compactions[(i-1)%2][0]) * 1000 * 1000 * 1000))
db.compTimeMeter.Mark(int64((compactions[i%2][1] - compactions[(i-1)%2][1]) * 1000 * 1000 * 1000))
}
if db.compReadMeter != nil {
db.compReadMeter.Mark(int64((compactions[i%2][1] - compactions[(i-1)%2][1]) * 1024 * 1024))
db.compReadMeter.Mark(int64((compactions[i%2][2] - compactions[(i-1)%2][2]) * 1024 * 1024))
}
if db.compWriteMeter != nil {
db.compWriteMeter.Mark(int64((compactions[i%2][2] - compactions[(i-1)%2][2]) * 1024 * 1024))
db.compWriteMeter.Mark(int64((compactions[i%2][3] - compactions[(i-1)%2][3]) * 1024 * 1024))
}
// Retrieve the write delay statistic
writedelay, err := db.db.GetProperty("leveldb.writedelay")
if err != nil {