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simplify profiler cleanup

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Anand Babu (AB) Periasamy 2016-05-19 18:30:05 -07:00 committed by Harshavardhana
parent f6d9e73548
commit b8405ca172
1 changed files with 12 additions and 32 deletions
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44
main.go
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@ -63,6 +63,9 @@ func init() {
// Check if minio was compiled using a supported version of Golang.
checkGoVersion()
// Set global trace flag.
globalTrace = os.Getenv("MINIO_TRACE") == "1"
// It is an unsafe practice to run network services as
// root. Containers are an exception.
if !isContainerized() && os.Geteuid() == 0 {
@ -150,31 +153,11 @@ func mustGetProfilePath() string {
return filepath.Join(mustGetConfigPath(), globalMinioProfilePath)
}
func setupProfilingFromEnv(profiler *interface {
Stop()
}) {
switch os.Getenv("MINIO_PROFILER") {
case "cpu":
*profiler = profile.Start(profile.CPUProfile, profile.ProfilePath(mustGetProfilePath()))
case "mem":
*profiler = profile.Start(profile.MemProfile, profile.ProfilePath(mustGetProfilePath()))
case "block":
*profiler = profile.Start(profile.BlockProfile, profile.ProfilePath(mustGetProfilePath()))
}
}
func main() {
// Set global trace flag.
trace := os.Getenv("MINIO_TRACE")
globalTrace = trace == "1"
probe.Init() // Set project's root source path.
probe.SetAppInfo("Release-Tag", minioReleaseTag)
probe.SetAppInfo("Commit-ID", minioShortCommitID)
var profiler interface {
Stop()
}
app := registerApp()
app.Before = func(c *cli.Context) error {
// Sets new config folder.
@ -209,21 +192,18 @@ func main() {
}
}
// Enable profiling supported modes are [cpu, mem, block].
// ``MINIO_PROFILER`` supported options are [cpu, mem, block].
setupProfilingFromEnv(&profiler)
// Return here.
return nil
}
// Stop profiling on exit.
// N B If any inner function calls os.Exit() the defer(s) stacked wouldn't be called
defer func() {
if profiler != nil {
profiler.Stop()
}
}()
// Enable profiler if ``MINIO_PROFILER`` is set. Supported options are [cpu, mem, block].
switch os.Getenv("MINIO_PROFILER") {
case "cpu":
defer profile.Start(profile.CPUProfile, profile.ProfilePath(mustGetProfilePath())).Stop()
case "mem":
defer profile.Start(profile.MemProfile, profile.ProfilePath(mustGetProfilePath())).Stop()
case "block":
defer profile.Start(profile.BlockProfile, profile.ProfilePath(mustGetProfilePath())).Stop()
}
// Run the app - exit on error.
app.RunAndExitOnError()