47 lines
897 B
Go
47 lines
897 B
Go
// Copyright 2023 wanderer <a_mirre at utb dot cz>
|
|
// SPDX-License-Identifier: GPL-3.0-or-later
|
|
|
|
package main
|
|
|
|
import (
|
|
"os"
|
|
"runtime/pprof"
|
|
)
|
|
|
|
// profileCPU checks whether CPU profiling was requested and if so, enables it.
|
|
// NOTE: deferred pprof.StopCPUProfile() needs to be called at the call site of
|
|
// this function, otherwise the profiling would end when this function goes out
|
|
// of scope.
|
|
func profileCPU(prof *string) error {
|
|
if *prof != "" {
|
|
f, err := os.Create(*prof)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
err = pprof.StartCPUProfile(f)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
// profileMem checks if memory profiling was requested and if so, enables it.
|
|
func profileMem(prof *string) error {
|
|
if *prof != "" {
|
|
f, err := os.Create(*prof)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
err = pprof.WriteHeapProfile(f)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
}
|
|
|
|
return nil
|
|
}
|