milvus/internal/util/timerecord/time_recorder.go
Cai Yudong d10c6abc9e
Apply for msgstream from pool when creating collection (#7738)
Signed-off-by: yudong.cai <yudong.cai@zilliz.com>
2021-09-18 09:13:50 +08:00

75 lines
1.8 KiB
Go

// Copyright (C) 2019-2020 Zilliz. All rights reserved.
//
// 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 timerecord
import (
"strconv"
"time"
"github.com/milvus-io/milvus/internal/log"
)
type TimeRecorder struct {
header string
start time.Time
last time.Time
}
// NewTimeRecorder create a new TimeRecorder
func NewTimeRecorder(header string) *TimeRecorder {
return &TimeRecorder{
header: header,
start: time.Now(),
last: time.Now(),
}
}
func (tr *TimeRecorder) RecordSpan() time.Duration {
curr := time.Now()
span := curr.Sub(tr.last)
tr.last = curr
return span
}
func (tr *TimeRecorder) ElapseSpan() time.Duration {
curr := time.Now()
span := curr.Sub(tr.start)
tr.last = curr
return span
}
// Record calculates the time span from previous Record call
func (tr *TimeRecorder) Record(msg string) time.Duration {
span := tr.RecordSpan()
tr.printTimeRecord(msg, span)
return span
}
// Elapse calculates the time span from the beginning of this TimeRecorder
func (tr *TimeRecorder) Elapse(msg string) time.Duration {
span := tr.ElapseSpan()
tr.printTimeRecord(msg, span)
return span
}
func (tr *TimeRecorder) printTimeRecord(msg string, span time.Duration) {
str := ""
if len(tr.header) != 0 {
str += tr.header + ": "
}
str += msg
str += " ("
str += strconv.Itoa(int(span.Milliseconds()))
str += "ms)"
log.Debug(str)
}