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internal/debug: APIs for profiling and tracing

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The debug package provides an RPC wrapper for glog settings and the
debugging facilities of the Go runtime. They can be triggered through
both command line flags and the IPC listener.
This commit is contained in:
Felix Lange
2016-01-26 14:39:21 +01:00
parent e287b56b69
commit 3750d835a1
10 changed files with 502 additions and 107 deletions
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28
cmd/geth/main.go
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@ -20,7 +20,6 @@ package main
import (
"fmt"
"io/ioutil"
_ "net/http/pprof"
"os"
"path/filepath"
"runtime"
@ -34,6 +33,7 @@ import (
"github.com/ethereum/go-ethereum/cmd/utils"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/eth"
"github.com/ethereum/go-ethereum/internal/debug"
"github.com/ethereum/go-ethereum/logger"
"github.com/ethereum/go-ethereum/logger/glog"
"github.com/ethereum/go-ethereum/metrics"
@ -326,12 +326,6 @@ JavaScript API. See https://github.com/ethereum/go-ethereum/wiki/Javascipt-Conso
utils.VMEnableJitFlag,
utils.NetworkIdFlag,
utils.RPCCORSDomainFlag,
utils.VerbosityFlag,
utils.BacktraceAtFlag,
utils.LogVModuleFlag,
utils.LogFileFlag,
utils.PProfEanbledFlag,
utils.PProfPortFlag,
utils.MetricsEnabledFlag,
utils.SolcPathFlag,
utils.GpoMinGasPriceFlag,
@ -342,23 +336,29 @@ JavaScript API. See https://github.com/ethereum/go-ethereum/wiki/Javascipt-Conso
utils.GpobaseCorrectionFactorFlag,
utils.ExtraDataFlag,
}
app.Flags = append(app.Flags, debug.Flags...)
app.Before = func(ctx *cli.Context) error {
runtime.GOMAXPROCS(runtime.NumCPU())
if err := debug.Setup(ctx); err != nil {
return err
}
// Start system runtime metrics collection
go metrics.CollectProcessMetrics(3 * time.Second)
utils.SetupLogger(ctx)
utils.SetupNetwork(ctx)
utils.SetupVM(ctx)
if ctx.GlobalBool(utils.PProfEanbledFlag.Name) {
utils.StartPProf(ctx)
}
return nil
}
// Start system runtime metrics collection
go metrics.CollectProcessMetrics(3 * time.Second)
app.After = func(ctx *cli.Context) error {
logger.Flush()
debug.Exit()
return nil
}
}
func main() {
defer logger.Flush()
if err := app.Run(os.Args); err != nil {
fmt.Fprintln(os.Stderr, err)
os.Exit(1)