mirror of
https://github.com/prometheus/prometheus.git
synced 2024-11-09 23:24:05 -08:00
96 lines
2.7 KiB
Go
96 lines
2.7 KiB
Go
// Copyright 2013 The Prometheus 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 stats
|
|
|
|
// QueryTiming identifies the code area or functionality in which time is spent
|
|
// during a query.
|
|
type QueryTiming int
|
|
|
|
// Query timings.
|
|
const (
|
|
EvalTotalTime QueryTiming = iota
|
|
ResultSortTime
|
|
QueryPreparationTime
|
|
InnerEvalTime
|
|
ResultAppendTime
|
|
ExecQueueTime
|
|
ExecTotalTime
|
|
)
|
|
|
|
// Return a string representation of a QueryTiming identifier.
|
|
func (s QueryTiming) String() string {
|
|
switch s {
|
|
case EvalTotalTime:
|
|
return "Eval total time"
|
|
case ResultSortTime:
|
|
return "Result sorting time"
|
|
case QueryPreparationTime:
|
|
return "Query preparation time"
|
|
case InnerEvalTime:
|
|
return "Inner eval time"
|
|
case ResultAppendTime:
|
|
return "Result append time"
|
|
case ExecQueueTime:
|
|
return "Exec queue wait time"
|
|
case ExecTotalTime:
|
|
return "Exec total time"
|
|
default:
|
|
return "Unknown query timing"
|
|
}
|
|
}
|
|
|
|
// queryTimings with all query timers mapped to durations.
|
|
type queryTimings struct {
|
|
EvalTotalTime float64 `json:"evalTotalTime"`
|
|
ResultSortTime float64 `json:"resultSortTime"`
|
|
QueryPreparationTime float64 `json:"queryPreparationTime"`
|
|
InnerEvalTime float64 `json:"innerEvalTime"`
|
|
ResultAppendTime float64 `json:"resultAppendTime"`
|
|
ExecQueueTime float64 `json:"execQueueTime"`
|
|
ExecTotalTime float64 `json:"execTotalTime"`
|
|
}
|
|
|
|
// QueryStats currently only holding query timings.
|
|
type QueryStats struct {
|
|
Timings queryTimings `json:"timings,omitempty"`
|
|
}
|
|
|
|
// NewQueryStats makes a QueryStats struct with all QueryTimings found in the
|
|
// given TimerGroup.
|
|
func NewQueryStats(tg *TimerGroup) *QueryStats {
|
|
var qt queryTimings
|
|
|
|
for s, timer := range tg.timers {
|
|
switch s {
|
|
case EvalTotalTime:
|
|
qt.EvalTotalTime = timer.Duration()
|
|
case ResultSortTime:
|
|
qt.ResultSortTime = timer.Duration()
|
|
case QueryPreparationTime:
|
|
qt.QueryPreparationTime = timer.Duration()
|
|
case InnerEvalTime:
|
|
qt.InnerEvalTime = timer.Duration()
|
|
case ResultAppendTime:
|
|
qt.ResultAppendTime = timer.Duration()
|
|
case ExecQueueTime:
|
|
qt.ExecQueueTime = timer.Duration()
|
|
case ExecTotalTime:
|
|
qt.ExecTotalTime = timer.Duration()
|
|
}
|
|
}
|
|
|
|
qs := QueryStats{Timings: qt}
|
|
return &qs
|
|
}
|