mirror of
https://gitee.com/milvus-io/milvus.git
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90 lines
2.0 KiB
Go
90 lines
2.0 KiB
Go
// Licensed to the LF AI & Data foundation under one
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// or more contributor license agreements. See the NOTICE file
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// distributed with this work for additional information
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// regarding copyright ownership. The ASF licenses this file
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// to you under the Apache License, Version 2.0 (the
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// "License"); you may not use this file except in compliance
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// with the License. You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package collector
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import (
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"sync"
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"github.com/milvus-io/milvus/pkg/util/merr"
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)
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type averageData struct {
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total float64
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count int32
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}
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func (v *averageData) Add(value float64) {
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v.total += value
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v.count++
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}
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func (v *averageData) Value() float64 {
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if v.count == 0 {
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return 0
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}
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return v.total / float64(v.count)
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}
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type averageCollector struct {
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sync.Mutex
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averages map[string]*averageData
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}
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func (c *averageCollector) Register(label string) {
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c.Lock()
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defer c.Unlock()
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if _, ok := c.averages[label]; !ok {
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c.averages[label] = &averageData{}
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}
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}
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func (c *averageCollector) Add(label string, value float64) {
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c.Lock()
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defer c.Unlock()
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if average, ok := c.averages[label]; ok {
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average.Add(value)
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}
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}
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func (c *averageCollector) Reset(label string) {
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c.Lock()
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defer c.Unlock()
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if _, ok := c.averages[label]; ok {
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c.averages[label] = &averageData{}
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}
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}
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func (c *averageCollector) Average(label string) (float64, error) {
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c.Lock()
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defer c.Unlock()
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average, ok := c.averages[label]
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if !ok {
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return 0, merr.WrapErrMetricNotFound(label)
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}
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return average.Value(), nil
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}
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func newAverageCollector() *averageCollector {
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return &averageCollector{
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averages: make(map[string]*averageData),
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}
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}
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