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add command line option for profiling

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This commit is contained in:
Gokcehan 2016-09-01 23:49:56 +03:00
parent d8cfe7f593
commit dde01fce0a
1 changed files with 13 additions and 0 deletions
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13
main.go
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@ -7,6 +7,7 @@ import (
"os" "os"
"os/exec" "os/exec"
"path" "path"
"runtime/pprof"
) )
var ( var (
@ -63,11 +64,23 @@ func startServer() {
func main() { func main() {
serverMode := flag.Bool("server", false, "start server (automatic)") serverMode := flag.Bool("server", false, "start server (automatic)")
cpuprofile := flag.String("cpuprofile", "", "path to the file to write the cpu profile")
flag.StringVar(&gLastDirPath, "last-dir-path", "", "path to the file to write the last dir on exit (to use for cd)") flag.StringVar(&gLastDirPath, "last-dir-path", "", "path to the file to write the last dir on exit (to use for cd)")
flag.StringVar(&gSelectionPath, "selection-path", "", "path to the file to write selected files on exit (to use as open file dialog)") flag.StringVar(&gSelectionPath, "selection-path", "", "path to the file to write selected files on exit (to use as open file dialog)")
flag.Parse() flag.Parse()
if *cpuprofile != "" {
f, err := os.Create(*cpuprofile)
if err != nil {
log.Fatal("could not create CPU profile: ", err)
}
if err := pprof.StartCPUProfile(f); err != nil {
log.Fatal("could not start CPU profile: ", err)
}
defer pprof.StopCPUProfile()
}
if *serverMode { if *serverMode {
serve() serve()
} else { } else {