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Source file src/cuelang.org/go/internal/core/adt/prof.go

Documentation: cuelang.org/go/internal/core/adt

     1  // Copyright 2023 CUE Authors
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //     http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  package adt
    16  
    17  import (
    18  	"sync"
    19  
    20  	"cuelang.org/go/cue/stats"
    21  )
    22  
    23  // This file contains stats and profiling functionality.
    24  
    25  var (
    26  	// counts is a temporary and internal solution for collecting global stats. It is protected with a mutex.
    27  	counts   stats.Counts
    28  	countsMu sync.Mutex
    29  )
    30  
    31  // AddStats adds the stats of the given OpContext to the global
    32  // counters.
    33  func AddStats(ctx *OpContext) {
    34  	countsMu.Lock()
    35  	counts.Add(ctx.stats)
    36  	countsMu.Unlock()
    37  }
    38  
    39  // TotalStats returns the aggregate counts of all operations
    40  // calling AddStats.
    41  func TotalStats() stats.Counts {
    42  	countsMu.Lock()
    43  	// Shallow copy suffices as it only contains counter fields.
    44  	s := counts
    45  	countsMu.Unlock()
    46  	return s
    47  }
    48  

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