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t6

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Sad Pencil 2019-02-23 06:38:13 +08:00
parent a8982f9ec4
commit 7efc6fb012
1 changed files with 7 additions and 3 deletions
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10
log2/logger.go
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@ -2,7 +2,7 @@ package log2
import ( import (
"encoding/json" "encoding/json"
"log" "fmt"
"os" "os"
) )
@ -18,12 +18,16 @@ type TimingLog struct {
func InitOutputFile(outputFile string) { func InitOutputFile(outputFile string) {
if outputFile == "" { if outputFile == "" {
log.Fatalln("You must specify the log file, e.g. \"geth --timing.output=/path/to/file.txt\"") fmt.Fprintln(os.Stderr, "You must specify the log file, e.g. \"geth --timing.output=/path/to/file.txt\"")
os.Exit(1)
} }
var err error var err error
file, err = os.OpenFile(outputFile, os.O_APPEND|os.O_CREATE, 0644) file, err = os.OpenFile(outputFile, os.O_APPEND|os.O_CREATE, 0644)
if err != nil { if err != nil {
log.Fatalln("Fail to create log file for timing.") fmt.Fprintln(os.Stderr, "Fail to create log file for timing.")
fmt.Fprintln(os.Stderr, err)
os.Exit(1)
} }
} }
func Record(timingLog TimingLog) error { func Record(timingLog TimingLog) error {