syncthing/lib/sync/debug.go

33 lines
899 B
Go

// Copyright (C) 2015 The Syncthing Authors.
//
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this file,
// You can obtain one at https://mozilla.org/MPL/2.0/.
package sync
import (
"os"
"strconv"
"time"
"github.com/syncthing/syncthing/lib/logger"
)
var (
threshold = 100 * time.Millisecond
l = logger.DefaultLogger.NewFacility("sync", "Mutexes")
// We make an exception in this package and have an actual "if debug { ...
// }" variable, as it may be rather performance critical and does
// nonstandard things (from a debug logging PoV).
debug = logger.DefaultLogger.ShouldDebug("sync")
)
func init() {
if n, _ := strconv.Atoi(os.Getenv("STLOCKTHRESHOLD")); n > 0 {
threshold = time.Duration(n) * time.Millisecond
}
l.Debugf("Enabling lock logging at %v threshold", threshold)
}