diff options
Diffstat (limited to 'rpc/api/debug.go')
| -rw-r--r-- | rpc/api/debug.go | 100 |
1 files changed, 100 insertions, 0 deletions
diff --git a/rpc/api/debug.go b/rpc/api/debug.go index b451d8662..f16f62d2e 100644 --- a/rpc/api/debug.go +++ b/rpc/api/debug.go @@ -2,6 +2,8 @@ package api import ( "fmt" + "strings" + "time" "github.com/ethereum/ethash" "github.com/ethereum/go-ethereum/core/state" @@ -11,6 +13,7 @@ import ( "github.com/ethereum/go-ethereum/rpc/codec" "github.com/ethereum/go-ethereum/rpc/shared" "github.com/ethereum/go-ethereum/xeth" + "github.com/rcrowley/go-metrics" ) const ( @@ -26,6 +29,7 @@ var ( "debug_processBlock": (*debugApi).ProcessBlock, "debug_seedHash": (*debugApi).SeedHash, "debug_setHead": (*debugApi).SetHead, + "debug_metrics": (*debugApi).Metrics, } ) @@ -171,3 +175,99 @@ func (self *debugApi) SeedHash(req *shared.Request) (interface{}, error) { return nil, err } } + +func (self *debugApi) Metrics(req *shared.Request) (interface{}, error) { + args := new(MetricsArgs) + if err := self.codec.Decode(req.Params, &args); err != nil { + return nil, shared.NewDecodeParamError(err.Error()) + } + // 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, formatting if requested + if args.Raw { + switch metric := metric.(type) { + case metrics.Meter: + root[name] = map[string]interface{}{ + "AvgRate01Min": metric.Rate1(), + "AvgRate05Min": metric.Rate5(), + "AvgRate15Min": metric.Rate15(), + "MeanRate": metric.RateMean(), + "Overall": float64(metric.Count()), + } + + case metrics.Timer: + root[name] = map[string]interface{}{ + "AvgRate01Min": metric.Rate1(), + "AvgRate05Min": metric.Rate5(), + "AvgRate15Min": metric.Rate15(), + "MeanRate": metric.RateMean(), + "Overall": float64(metric.Count()), + "Percentiles": map[string]interface{}{ + "5": metric.Percentile(0.05), + "20": metric.Percentile(0.2), + "50": metric.Percentile(0.5), + "80": metric.Percentile(0.8), + "95": metric.Percentile(0.95), + }, + } + + default: + root[name] = "Unknown metric type" + } + } else { + switch metric := metric.(type) { + case metrics.Meter: + 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()), + } + + 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()), + "Maximum": time.Duration(metric.Max()).String(), + "Minimum": time.Duration(metric.Min()).String(), + "Percentiles": map[string]interface{}{ + "5": time.Duration(metric.Percentile(0.05)).String(), + "20": time.Duration(metric.Percentile(0.2)).String(), + "50": time.Duration(metric.Percentile(0.5)).String(), + "80": time.Duration(metric.Percentile(0.8)).String(), + "95": time.Duration(metric.Percentile(0.95)).String(), + }, + } + + default: + root[name] = "Unknown metric type" + } + } + }) + return counters, nil +} |