/
profile.go
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/
profile.go
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// KIProtect Hyper
// Copyright (C) 2021-2023 KIProtect GmbH
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as
// published by the Free Software Foundation, either version 3 of the
// License, or (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <https://www.gnu.org/licenses/>.
package helpers
import (
"fmt"
"github.com/kiprotect/hyper"
"os"
"runtime"
"runtime/pprof"
)
func runWithProfiler(name string, runner func() error) error {
hyper.Log.Info("Running with profiler...")
fc, err := os.Create(fmt.Sprintf("%s-cpu.pprof", name))
if err != nil {
return fmt.Errorf("error creating CPU profile file: %w", err)
}
if err := pprof.StartCPUProfile(fc); err != nil {
return fmt.Errorf("error starting CPU profiling: %w", err)
}
defer pprof.StopCPUProfile()
runnerErr := runner()
fm, err := os.Create(fmt.Sprintf("%s-mem.pprof", name))
if err != nil {
return fmt.Errorf("error creating MEM profile file: %w", err)
}
runtime.GC() // get up-to-date statistics
if err := pprof.WriteHeapProfile(fm); err != nil {
return fmt.Errorf("error writing heap profile: %w", err)
}
fm.Close()
return runnerErr
}