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go-zero/core/prof/profiler.go

59 lines
979 B
Go

package prof
import "github.com/tal-tech/go-zero/core/utils"
type (
ProfilePoint struct {
*utils.ElapsedTimer
}
Profiler interface {
Start() ProfilePoint
Report(name string, point ProfilePoint)
}
RealProfiler struct{}
NullProfiler struct{}
)
var profiler = newNullProfiler()
func EnableProfiling() {
profiler = newRealProfiler()
}
func Start() ProfilePoint {
return profiler.Start()
}
func Report(name string, point ProfilePoint) {
profiler.Report(name, point)
}
func newRealProfiler() Profiler {
return &RealProfiler{}
}
func (rp *RealProfiler) Start() ProfilePoint {
return ProfilePoint{
ElapsedTimer: utils.NewElapsedTimer(),
}
}
func (rp *RealProfiler) Report(name string, point ProfilePoint) {
duration := point.Duration()
report(name, duration)
}
func newNullProfiler() Profiler {
return &NullProfiler{}
}
func (np *NullProfiler) Start() ProfilePoint {
return ProfilePoint{}
}
func (np *NullProfiler) Report(string, ProfilePoint) {
}