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// Copyright 2023 CUE 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 adt
import (
"sync"
"cuelang.org/go/cue/stats"
)
// This file contains stats and profiling functionality.
var (
// counts is a temporary and internal solution for collecting global stats. It is protected with a mutex.
counts stats.Counts
countsMu sync.Mutex
)
// ResetStats sets the global stats counters to zero.
func ResetStats() {
countsMu.Lock()
counts = stats.Counts{}
countsMu.Unlock()
}
// AddStats adds the stats of the given OpContext to the global
// counters.
func AddStats(ctx *OpContext) {
countsMu.Lock()
counts.Add(ctx.stats)
countsMu.Unlock()
}
// TotalStats returns the aggregate counts of all operations
// calling AddStats.
func TotalStats() stats.Counts {
countsMu.Lock()
// Shallow copy suffices as it only contains counter fields.
s := counts
countsMu.Unlock()
return s
}
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