From c0f3b093c704da85252044b3a177dbabab63c49a Mon Sep 17 00:00:00 2001 From: HuabingZhao Date: Thu, 31 Aug 2017 11:59:47 +0800 Subject: add vendor package Issue-Id: OOM-61 Change-Id: I251336e3b711b14f8ae9a8b0bf6055011a1d9bc8 Signed-off-by: HuabingZhao --- .../src/vendor/k8s.io/kubernetes/pkg/util/trace.go | 72 ++++++++++++++++++++++ 1 file changed, 72 insertions(+) create mode 100644 kube2msb/src/vendor/k8s.io/kubernetes/pkg/util/trace.go (limited to 'kube2msb/src/vendor/k8s.io/kubernetes/pkg/util/trace.go') diff --git a/kube2msb/src/vendor/k8s.io/kubernetes/pkg/util/trace.go b/kube2msb/src/vendor/k8s.io/kubernetes/pkg/util/trace.go new file mode 100644 index 0000000..fe93db8 --- /dev/null +++ b/kube2msb/src/vendor/k8s.io/kubernetes/pkg/util/trace.go @@ -0,0 +1,72 @@ +/* +Copyright 2015 The Kubernetes Authors. + +Licensed under the Apache License, Version 2.0 (the "License"); +you may not use this file except in compliance with the License. +You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + +Unless required by applicable law or agreed to in writing, software +distributed under the License is distributed on an "AS IS" BASIS, +WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +See the License for the specific language governing permissions and +limitations under the License. +*/ + +package util + +import ( + "bytes" + "fmt" + "time" + + "github.com/golang/glog" +) + +type traceStep struct { + stepTime time.Time + msg string +} + +type Trace struct { + name string + startTime time.Time + steps []traceStep +} + +func NewTrace(name string) *Trace { + return &Trace{name, time.Now(), nil} +} + +func (t *Trace) Step(msg string) { + if t.steps == nil { + // traces almost always have less than 6 steps, do this to avoid more than a single allocation + t.steps = make([]traceStep, 0, 6) + } + t.steps = append(t.steps, traceStep{time.Now(), msg}) +} + +func (t *Trace) Log() { + endTime := time.Now() + var buffer bytes.Buffer + + buffer.WriteString(fmt.Sprintf("Trace %q (started %v):\n", t.name, t.startTime)) + lastStepTime := t.startTime + for _, step := range t.steps { + buffer.WriteString(fmt.Sprintf("[%v] [%v] %v\n", step.stepTime.Sub(t.startTime), step.stepTime.Sub(lastStepTime), step.msg)) + lastStepTime = step.stepTime + } + buffer.WriteString(fmt.Sprintf("[%v] [%v] END\n", endTime.Sub(t.startTime), endTime.Sub(lastStepTime))) + glog.Info(buffer.String()) +} + +func (t *Trace) LogIfLong(threshold time.Duration) { + if time.Since(t.startTime) >= threshold { + t.Log() + } +} + +func (t *Trace) TotalTime() time.Duration { + return time.Since(t.startTime) +} -- cgit 1.2.3-korg