laconicd/ethereum/rpc/namespaces/debug/utils.go
Guillermo Paoletti 282eb13a6f
rpc: implement internal debug_ API namespace functions (#313)
* API Hello World

* Added all the debug functions + more data to try implementing the GC functions

* Getting transactions information

* Added cpu profile first approach functions

* new struct for cpuprofile and read filename from params

* cpuprofile, gcstats and memstats

* added comment

* All endpoints returns error instead of string

* Code cleanup

* Changed errors messages to match go-eth returns

* Removed activated flag and just using the file to check if it's running

* Added new endpoints to the json_rpc.md file

* GoTrace debug endpoints added

* Block profile endpoint added

* missing goeth calls

* added debug logs

* divide debug and internal api

* Using ExpandHome on server configuration

* Added rpc changes to changelog

* Logging go trace status

* Removed logger functions and moved logger errors to debug

* Added more logs to go trace

* Added more datailed changelog

* Removed trace debug api interface

* added comments

* cleanup

* Updated changelog

* disable lint on cpuprofile rename

Co-authored-by: Federico Kunze Küllmer <31522760+fedekunze@users.noreply.github.com>

* return error in StopCpuProfile

Co-authored-by: Federico Kunze Küllmer <31522760+fedekunze@users.noreply.github.com>

* return error in StopGoTrace

Co-authored-by: Federico Kunze Küllmer <31522760+fedekunze@users.noreply.github.com>

* implement suggested changes

Co-authored-by: ramacarlucho <ramirocarlucho@gmail.com>
Co-authored-by: Federico Kunze Küllmer <31522760+fedekunze@users.noreply.github.com>
2021-07-20 12:50:17 +00:00

54 lines
1.3 KiB
Go

package debug
import (
"os"
"os/user"
"path/filepath"
"runtime/pprof"
"strings"
"github.com/cosmos/cosmos-sdk/server"
"github.com/tendermint/tendermint/libs/log"
)
// isCPUProfileConfigurationActivated checks if cpuprofile was configured via flag
func isCPUProfileConfigurationActivated(ctx *server.Context) bool {
// TODO: use same constants as server/start.go
// constant declared in start.go cannot be imported (cyclical dependency)
const flagCPUProfile = "cpu-profile"
if cpuProfile := ctx.Viper.GetString(flagCPUProfile); cpuProfile != "" {
return true
}
return false
}
// ExpandHome 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)
}
// writeProfile writes the data to a file
func writeProfile(name, file string, log log.Logger) error {
p := pprof.Lookup(name)
log.Info("Writing profile records", "count", p.Count(), "type", name, "dump", file)
f, err := os.Create(ExpandHome(file))
if err != nil {
return err
}
defer f.Close()
return p.WriteTo(f, 0)
}