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Merge pull request #2151 from fjl/debug-api

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internal/debug: APIs for profiling and tracing
This commit is contained in:
Jeffrey Wilcke 2016-01-28 16:11:24 +01:00
commit 528dcc3814
12 changed files with 517 additions and 116 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)

13
cmd/geth/usage.go
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@ -23,6 +23,7 @@ import (
"github.com/codegangsta/cli"
"github.com/ethereum/go-ethereum/cmd/utils"
"github.com/ethereum/go-ethereum/internal/debug"
)
// AppHelpTemplate is the test template for the default, global app help topic.
@ -147,16 +148,8 @@ var AppHelpFlagGroups = []flagGroup{
},
},
{
Name: "LOGGING AND DEBUGGING",
Flags: []cli.Flag{
utils.VerbosityFlag,
utils.LogVModuleFlag,
utils.BacktraceAtFlag,
utils.LogFileFlag,
utils.PProfEanbledFlag,
utils.PProfPortFlag,
utils.MetricsEnabledFlag,
},
Name: "LOGGING AND DEBUGGING",
Flags: append([]cli.Flag{utils.MetricsEnabledFlag}, debug.Flags...),
},
{
Name: "EXPERIMENTAL",

60
cmd/utils/flags.go
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@ -18,20 +18,17 @@ package utils
import (
"crypto/ecdsa"
"errors"
"fmt"
"io/ioutil"
"log"
"math"
"math/big"
"net/http"
"os"
"path/filepath"
"runtime"
"strconv"
"strings"
"errors"
"github.com/codegangsta/cli"
"github.com/ethereum/ethash"
"github.com/ethereum/go-ethereum/accounts"
@ -223,35 +220,6 @@ var (
}
// logging and debug settings
VerbosityFlag = cli.IntFlag{
Name: "verbosity",
Usage: "Logging verbosity: 0-6 (0=silent, 1=error, 2=warn, 3=info, 4=core, 5=debug, 6=debug detail)",
Value: int(logger.InfoLevel),
}
LogFileFlag = cli.StringFlag{
Name: "logfile",
Usage: "Log output file within the data dir (default = no log file generated)",
Value: "",
}
LogVModuleFlag = cli.GenericFlag{
Name: "vmodule",
Usage: "Per-module verbosity: comma-separated list of <module>=<level>, where <module> is file literal or a glog pattern",
Value: glog.GetVModule(),
}
BacktraceAtFlag = cli.GenericFlag{
Name: "backtrace",
Usage: "Request a stack trace at a specific logging statement (e.g. \"block.go:271\")",
Value: glog.GetTraceLocation(),
}
PProfEanbledFlag = cli.BoolFlag{
Name: "pprof",
Usage: "Enable the profiling server on localhost",
}
PProfPortFlag = cli.IntFlag{
Name: "pprofport",
Usage: "Profile server listening port",
Value: 6060,
}
MetricsEnabledFlag = cli.BoolFlag{
Name: metrics.MetricsEnabledFlag,
Usage: "Enable metrics collection and reporting",
@ -297,7 +265,7 @@ var (
Value: DirectoryString{common.DefaultIpcPath()},
}
WSEnabledFlag = cli.BoolFlag{
Name: "ws",
Name: "ws",
Usage: "Enable the WS-RPC server",
}
WSListenAddrFlag = cli.StringFlag{
@ -324,6 +292,7 @@ var (
Name: "exec",
Usage: "Execute JavaScript statement (only in combination with console/attach)",
}
// Network Settings
MaxPeersFlag = cli.IntFlag{
Name: "maxpeers",
@ -714,19 +683,6 @@ func MakeSystemNode(name, version string, extra []byte, ctx *cli.Context) *node.
return stack
}
// SetupLogger configures glog from the logging-related command line flags.
func SetupLogger(ctx *cli.Context) {
glog.SetV(ctx.GlobalInt(VerbosityFlag.Name))
glog.CopyStandardLogTo("INFO")
glog.SetToStderr(true)
if ctx.GlobalIsSet(LogFileFlag.Name) {
logger.New("", ctx.GlobalString(LogFileFlag.Name), ctx.GlobalInt(VerbosityFlag.Name))
}
if ctx.GlobalIsSet(VMDebugFlag.Name) {
vm.Debug = ctx.GlobalBool(VMDebugFlag.Name)
}
}
// SetupNetwork configures the system for either the main net or some test network.
func SetupNetwork(ctx *cli.Context) {
switch {
@ -746,6 +702,9 @@ func SetupVM(ctx *cli.Context) {
vm.EnableJit = ctx.GlobalBool(VMEnableJitFlag.Name)
vm.ForceJit = ctx.GlobalBool(VMForceJitFlag.Name)
vm.SetJITCacheSize(ctx.GlobalInt(VMJitCacheFlag.Name))
if ctx.GlobalIsSet(VMDebugFlag.Name) {
vm.Debug = ctx.GlobalBool(VMDebugFlag.Name)
}
}
// MakeChain creates a chain manager from set command line flags.
@ -873,10 +832,3 @@ func StartWS(stack *node.Node, ctx *cli.Context) error {
glog.V(logger.Error).Infof("Unable to start RPC-WS interface, could not find admin API")
return errors.New("Unable to start RPC-WS interface")
}
func StartPProf(ctx *cli.Context) {
address := fmt.Sprintf("localhost:%d", ctx.GlobalInt(PProfPortFlag.Name))
go func() {
log.Println(http.ListenAndServe(address, nil))
}()
}

192
internal/debug/api.go Normal file
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@ -0,0 +1,192 @@
// Copyright 2016 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
// Package debug interfaces Go runtime debugging facilities.
// This package is mostly glue code making these facilities available
// through the CLI and RPC subsystem. If you want to use them from Go code,
// use package runtime instead.
package debug
import (
"errors"
"io"
"os"
"os/user"
"path/filepath"
"runtime"
"runtime/pprof"
"strings"
"sync"
"time"
"github.com/ethereum/go-ethereum/logger"
"github.com/ethereum/go-ethereum/logger/glog"
)
// Handler is the global debugging handler.
var Handler = new(HandlerT)
// HandlerT implements the debugging API.
// Do not create values of this type, use the one
// in the Handler variable instead.
type HandlerT struct {
mu sync.Mutex
cpuW io.WriteCloser
cpuFile string
traceW io.WriteCloser
traceFile string
}
// Verbosity sets the glog verbosity floor.
// The verbosity of individual packages and source files
// can be raised using Vmodule.
func (*HandlerT) Verbosity(level int) {
glog.SetV(level)
}
// Vmodule sets the glog verbosity pattern. See package
// glog for details on pattern syntax.
func (*HandlerT) Vmodule(pattern string) error {
return glog.GetVModule().Set(pattern)
}
// BacktraceAt sets the glog backtrace location.
// See package glog for details on pattern syntax.
func (*HandlerT) BacktraceAt(location string) error {
return glog.GetTraceLocation().Set(location)
}
// CpuProfile turns on CPU profiling for nsec seconds and writes
// profile data to file.
func (h *HandlerT) CpuProfile(file string, nsec uint) error {
if err := h.StartCPUProfile(file); err != nil {
return err
}
time.Sleep(time.Duration(nsec) * time.Second)
h.StopCPUProfile()
return nil
}
// StartCPUProfile turns on CPU profiling, writing to the given file.
func (h *HandlerT) StartCPUProfile(file string) error {
h.mu.Lock()
defer h.mu.Unlock()
if h.cpuW != nil {
return errors.New("CPU profiling already in progress")
}
f, err := os.Create(expandHome(file))
if err != nil {
return err
}
if err := pprof.StartCPUProfile(f); err != nil {
f.Close()
return err
}
h.cpuW = f
h.cpuFile = file
glog.V(logger.Info).Infoln("CPU profiling started, writing to", h.cpuFile)
return nil
}
// StopCPUProfile stops an ongoing CPU profile.
func (h *HandlerT) StopCPUProfile() error {
h.mu.Lock()
defer h.mu.Unlock()
pprof.StopCPUProfile()
if h.cpuW == nil {
return errors.New("CPU profiling not in progress")
}
glog.V(logger.Info).Infoln("done writing CPU profile to", h.cpuFile)
h.cpuW.Close()
h.cpuW = nil
h.cpuFile = ""
return nil
}
// Trace turns on tracing for nsec seconds and writes
// trace data to file.
func (h *HandlerT) Trace(file string, nsec uint) error {
if err := h.StartTrace(file); err != nil {
return err
}
time.Sleep(time.Duration(nsec) * time.Second)
h.StopTrace()
return nil
}
// BlockProfile turns on CPU profiling for nsec seconds and writes
// profile data to file. It uses a profile rate of 1 for most accurate
// information. If a different rate is desired, set the rate
// and write the profile manually.
func (*HandlerT) BlockProfile(file string, nsec uint) error {
runtime.SetBlockProfileRate(1)
time.Sleep(time.Duration(nsec) * time.Second)
defer runtime.SetBlockProfileRate(0)
return writeProfile("block", file)
}
// SetBlockProfileRate sets the rate of goroutine block profile data collection.
// rate 0 disables block profiling.
func (*HandlerT) SetBlockProfileRate(rate int) {
runtime.SetBlockProfileRate(rate)
}
// WriteBlockProfile writes a goroutine blocking profile to the given file.
func (*HandlerT) WriteBlockProfile(file string) error {
return writeProfile("block", file)
}
// WriteMemProfile writes an allocation profile to the given file.
// Note that the profiling rate cannot be set through the API,
// it must be set on the command line.
func (*HandlerT) WriteMemProfile(file string) error {
return writeProfile("heap", file)
}
// Stacks returns a printed representation of the stacks of all goroutines.
func (*HandlerT) Stacks() string {
buf := make([]byte, 1024*1024)
buf = buf[:runtime.Stack(buf, true)]
return string(buf)
}
func writeProfile(name, file string) error {
p := pprof.Lookup(name)
glog.V(logger.Info).Infof("writing %d %s profile records to %s", p.Count(), name, file)
f, err := os.Create(expandHome(file))
if err != nil {
return err
}
defer f.Close()
return p.WriteTo(f, 0)
}
// expands home directory in file paths.
// ~someuser/tmp will not be expanded.
func expandHome(p string) string {
if strings.HasPrefix(p, "~/") || strings.HasPrefix(p, "~\\") {
home := os.Getenv("HOME")
if home == "" {
if usr, err := user.Current(); err == nil {
home = usr.HomeDir
}
}
if home != "" {
p = home + p[1:]
}
}
return filepath.Clean(p)
}

117
internal/debug/flags.go Normal file
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@ -0,0 +1,117 @@
// Copyright 2016 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
package debug
import (
"fmt"
"net/http"
_ "net/http/pprof"
"runtime"
"github.com/codegangsta/cli"
"github.com/ethereum/go-ethereum/logger"
"github.com/ethereum/go-ethereum/logger/glog"
)
var (
verbosityFlag = cli.GenericFlag{
Name: "verbosity",
Usage: "Logging verbosity: 0=silent, 1=error, 2=warn, 3=info, 4=core, 5=debug, 6=detail",
Value: glog.GetVerbosity(),
}
vmoduleFlag = cli.GenericFlag{
Name: "vmodule",
Usage: "Per-module verbosity: comma-separated list of <pattern>=<level> (e.g. eth/*=6,p2p=5)",
Value: glog.GetVModule(),
}
backtraceAtFlag = cli.GenericFlag{
Name: "backtrace",
Usage: "Request a stack trace at a specific logging statement (e.g. \"block.go:271\")",
Value: glog.GetTraceLocation(),
}
pprofFlag = cli.BoolFlag{
Name: "pprof",
Usage: "Enable the pprof HTTP server",
}
pprofPortFlag = cli.IntFlag{
Name: "pprofport",
Usage: "pprof HTTP server listening port",
Value: 6060,
}
memprofilerateFlag = cli.IntFlag{
Name: "memprofilerate",
Usage: "Turn on memory profiling with the given rate",
}
blockprofilerateFlag = cli.IntFlag{
Name: "blockprofilerate",
Usage: "Turn on block profiling with the given rate",
}
cpuprofileFlag = cli.StringFlag{
Name: "cpuprofile",
Usage: "Write CPU profile to the given file",
}
traceFlag = cli.StringFlag{
Name: "trace",
Usage: "Write execution trace to the given file",
}
)
// Flags holds all command-line flags required for debugging.
var Flags = []cli.Flag{
verbosityFlag, vmoduleFlag, backtraceAtFlag,
pprofFlag, pprofPortFlag,
memprofilerateFlag, blockprofilerateFlag, cpuprofileFlag, traceFlag,
}
// Setup initializes profiling and logging based on the CLI flags.
// It should be called as early as possible in the program.
func Setup(ctx *cli.Context) error {
// logging
glog.CopyStandardLogTo("INFO")
glog.SetToStderr(true)
// profiling, tracing
runtime.MemProfileRate = ctx.GlobalInt(memprofilerateFlag.Name)
Handler.SetBlockProfileRate(ctx.GlobalInt(blockprofilerateFlag.Name))
if traceFile := ctx.GlobalString(traceFlag.Name); traceFile != "" {
if err := Handler.StartTrace(traceFile); err != nil {
return err
}
}
if cpuFile := ctx.GlobalString(cpuprofileFlag.Name); cpuFile != "" {
if err := Handler.StartCPUProfile(cpuFile); err != nil {
return err
}
}
// pprof server
if ctx.GlobalBool(pprofFlag.Name) {
address := fmt.Sprintf("127.0.0.1:%d", ctx.GlobalInt(pprofPortFlag.Name))
go func() {
glog.V(logger.Info).Infof("starting pprof server at http://%s/debug/pprof", address)
glog.Errorln(http.ListenAndServe(address, nil))
}()
}
return nil
}
// Exit stops all running profiles, flushing their output to the
// respective file.
func Exit() {
Handler.StopCPUProfile()
Handler.StopTrace()
}

64
internal/debug/trace.go Normal file
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@ -0,0 +1,64 @@
// Copyright 2016 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
//+build go1.5
package debug
import (
"errors"
"os"
"runtime/trace"
"github.com/ethereum/go-ethereum/logger"
"github.com/ethereum/go-ethereum/logger/glog"
)
// StartTrace turns on tracing, writing to the given file.
func (h *HandlerT) StartTrace(file string) error {
h.mu.Lock()
defer h.mu.Unlock()
if h.traceW != nil {
return errors.New("trace already in progress")
}
f, err := os.Create(expandHome(file))
if err != nil {
return err
}
if err := trace.Start(f); err != nil {
f.Close()
return err
}
h.traceW = f
h.traceFile = file
glog.V(logger.Info).Infoln("trace started, writing to", h.traceFile)
return nil
}
// StopTrace stops an ongoing trace.
func (h *HandlerT) StopTrace() error {
h.mu.Lock()
defer h.mu.Unlock()
trace.Stop()
if h.traceW == nil {
return errors.New("trace not in progress")
}
glog.V(logger.Info).Infoln("done writing trace to", h.traceFile)
h.traceW.Close()
h.traceW = nil
h.traceFile = ""
return nil
}

31
internal/debug/trace_fallback.go Normal file
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@ -0,0 +1,31 @@
// Copyright 2016 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
//+build !go1.5
// no-op implementation of tracing methods for Go < 1.5.
package debug
import "errors"
func (*HandlerT) StartTrace(string) error {
return errors.New("tracing is not supported on Go < 1.5")
}
func (*HandlerT) StopTrace() error {
return errors.New("tracing is not supported on Go < 1.5")
}

22
logger/glog/glog.go
View File

@ -138,25 +138,28 @@ func SetV(v int) {
logging.verbosity.set(Level(v))
}
// SetVmodule sets the global verbosity patterns.
func SetVmodule(pat string) error {
return logging.vmodule.Set(pat)
}
// SetToStderr sets the global output style
func SetToStderr(toStderr bool) {
logging.mu.Lock()
logging.toStderr = toStderr
logging.mu.Unlock()
}
// GetTraceLocation returns the global TraceLocation object
// GetTraceLocation returns the global TraceLocation flag.
func GetTraceLocation() *TraceLocation {
return &logging.traceLocation
}
// GetVModule returns the global verbosity pattern flag.
func GetVModule() *moduleSpec {
return &logging.vmodule
}
// GetVerbosity returns the global verbosity level flag.
func GetVerbosity() *Level {
return &logging.verbosity
}
// get returns the value of the severity.
func (s *severity) get() severity {
return severity(atomic.LoadInt32((*int32)(s)))
@ -407,9 +410,13 @@ var errTraceSyntax = errors.New("syntax error: expect file.go:234")
func (t *TraceLocation) Set(value string) error {
if value == "" {
// Unset.
logging.mu.Lock()
t.line = 0
t.file = ""
logging.mu.Unlock()
return nil
}
fields := strings.Split(value, ":")
if len(fields) != 2 {
return errTraceSyntax
@ -449,8 +456,7 @@ func init() {
// Default stderrThreshold is ERROR.
logging.stderrThreshold = errorLog
logging.setVState(0, nil, false)
logging.setVState(3, nil, false)
go logging.flushDaemon()
}

28
node/api.go
View File

@ -23,7 +23,6 @@ import (
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/crypto"
"github.com/ethereum/go-ethereum/logger/glog"
"github.com/ethereum/go-ethereum/p2p"
"github.com/ethereum/go-ethereum/p2p/discover"
"github.com/ethereum/go-ethereum/rpc"
@ -100,7 +99,6 @@ func (api *PrivateAdminAPI) StopRPC() (bool, error) {
return err == nil, err
}
// StartWS starts the websocket RPC API server.
func (api *PrivateAdminAPI) StartWS(address string, port int, cors string, apis string) (bool, error) {
var offeredAPIs []rpc.API
@ -131,7 +129,7 @@ func (api *PrivateAdminAPI) StartWS(address string, port int, cors string, apis
}
corsDomains := strings.Split(cors, " ")
err := rpc.StartWS(address, port, corsDomains, offeredAPIs)
return err == nil, err
}
@ -179,30 +177,6 @@ func (api *PublicAdminAPI) Datadir() string {
return api.node.DataDir()
}
// PrivateDebugAPI is the collection of debugging related API methods exposed
// only over a secure RPC channel.
type PrivateDebugAPI struct {
node *Node // Node interfaced by this API
}
// NewPrivateDebugAPI creates a new API definition for the private debug methods
// of the node itself.
func NewPrivateDebugAPI(node *Node) *PrivateDebugAPI {
return &PrivateDebugAPI{node: node}
}
// Verbosity updates the node's logging verbosity. Note, due to the lack of fine
// grained contextual loggers, this will update the verbosity level for the entire
// process, not just this node instance.
func (api *PrivateDebugAPI) Verbosity(level int) {
glog.SetV(level)
}
// Vmodule updates the node's logging verbosity pattern.
func (api *PrivateDebugAPI) Vmodule(pattern string) error {
return glog.SetVmodule(pattern)
}
// PublicDebugAPI is the collection of debugging related API methods exposed over
// both secure and unsecure RPC channels.
type PublicDebugAPI struct {

3
node/node.go
View File

@ -26,6 +26,7 @@ import (
"syscall"
"github.com/ethereum/go-ethereum/event"
"github.com/ethereum/go-ethereum/internal/debug"
"github.com/ethereum/go-ethereum/p2p"
"github.com/ethereum/go-ethereum/rpc"
)
@ -284,7 +285,7 @@ func (n *Node) APIs() []rpc.API {
}, {
Namespace: "debug",
Version: "1.0",
Service: NewPrivateDebugAPI(n),
Service: debug.Handler,
}, {
Namespace: "debug",
Version: "1.0",

73
rpc/javascript.go
View File

@ -327,7 +327,78 @@ web3._extend({
name: 'metrics',
call: 'debug_metrics',
params: 1
})
}),
new web3._extend.Method({
name: 'verbosity',
call: 'debug_verbosity',
params: 1
}),
new web3._extend.Method({
name: 'vmodule',
call: 'debug_vmodule',
params: 1
}),
new web3._extend.Method({
name: 'backtraceAt',
call: 'debug_backtraceAt',
params: 1,
}),
new web3._extend.Method({
name: 'stacks',
call: 'debug_stacks',
params: 0,
outputFormatter: console.log
}),
new web3._extend.Method({
name: 'cpuProfile',
call: 'debug_cpuProfile',
params: 2
}),
new web3._extend.Method({
name: 'startCPUProfile',
call: 'debug_startCPUProfile',
params: 1
}),
new web3._extend.Method({
name: 'stopCPUProfile',
call: 'debug_stopCPUProfile',
params: 0
}),
new web3._extend.Method({
name: 'trace',
call: 'debug_trace',
params: 2
}),
new web3._extend.Method({
name: 'startTrace',
call: 'debug_startTrace',
params: 1
}),
new web3._extend.Method({
name: 'stopTrace',
call: 'debug_stopTrace',
params: 0
}),
new web3._extend.Method({
name: 'blockProfile',
call: 'debug_blockProfile',
params: 2
}),
new web3._extend.Method({
name: 'setBlockProfileRate',
call: 'debug_setBlockProfileRate',
params: 1
}),
new web3._extend.Method({
name: 'writeBlockProfile',
call: 'debug_writeBlockProfile',
params: 1
}),
new web3._extend.Method({
name: 'writeMemProfile',
call: 'debug_writeMemProfile',
params: 1
}),
],
properties:
[

2
rpc/json.go
View File

@ -48,7 +48,7 @@ type JSONRequest struct {
type JSONSuccessResponse struct {
Version string `json:"jsonrpc"`
Id int64 `json:"id"`
Result interface{} `json:"result,omitempty"`
Result interface{} `json:"result"`
}
// JSON-RPC error object