syncthing/locktrace.go
2013-12-24 20:31:25 -05:00

44 lines
1010 B
Go

//+build locktrace
package main
import (
"log"
"path"
"runtime"
"time"
)
var (
lockTime time.Time
)
func (m *Model) Lock() {
_, file, line, _ := runtime.Caller(1)
log.Printf("%s:%d: Lock()...", path.Base(file), line)
blockTime := time.Now()
m.RWMutex.Lock()
lockTime = time.Now()
log.Printf("%s:%d: ...Lock() [%.04f ms]", path.Base(file), line, time.Since(blockTime).Seconds()*1000)
}
func (m *Model) Unlock() {
_, file, line, _ := runtime.Caller(1)
m.RWMutex.Unlock()
log.Printf("%s:%d: Unlock() [%.04f ms]", path.Base(file), line, time.Since(lockTime).Seconds()*1000)
}
func (m *Model) RLock() {
_, file, line, _ := runtime.Caller(1)
log.Printf("%s:%d: RLock()...", path.Base(file), line)
blockTime := time.Now()
m.RWMutex.RLock()
log.Printf("%s:%d: ...RLock() [%.04f ms]", path.Base(file), line, time.Since(blockTime).Seconds()*1000)
}
func (m *Model) RUnlock() {
_, file, line, _ := runtime.Caller(1)
m.RWMutex.RUnlock()
log.Printf("%s:%d: RUnlock()", path.Base(file), line)
}