f0647f33f5
un-pinning the dependency full diff: https://github.com/census-instrumentation/opencensus-go/compare/v0.22.3...v0.23.0 - replace gofmt with goimports - Allow creating additional View universes - Safely reject invalid-length span and trace ids - fix Panic when x-b3-spanid exceeds 16 characters - Reduce allocations - Remove call to time.Now() on worker thread when handling record reqs - Delete views from measure ref when unregistering - Allow custom view.Meters to export metrics for other Resources - Initialize View Start Time During View Registration - Record a Start Time Per Time Series within a View - Made public traceparent/tracestate marshal/unmarshal - Fix const labels with derived metrics - Defer IDGenerator initialization until first use - Allow replacing trace SDK - Provide accessor to the span implementation - Lock only when needed, remove duplicate code - Update dependencies - fix memory leak cause by the spanStore.(census-instrumentation/opencensus-go) - Adds an exported function to flush interval reader - Adding GC stats to runmetrics plugin Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
61 lines
1.5 KiB
Go
61 lines
1.5 KiB
Go
// Copyright 2019, OpenCensus Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// 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 trace
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import (
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"github.com/golang/groupcache/lru"
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)
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// A simple lru.Cache wrapper that tracks the keys of the current contents and
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// the cumulative number of evicted items.
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type lruMap struct {
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cacheKeys map[lru.Key]bool
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cache *lru.Cache
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droppedCount int
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}
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func newLruMap(size int) *lruMap {
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lm := &lruMap{
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cacheKeys: make(map[lru.Key]bool),
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cache: lru.New(size),
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droppedCount: 0,
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}
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lm.cache.OnEvicted = func(key lru.Key, value interface{}) {
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delete(lm.cacheKeys, key)
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lm.droppedCount++
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}
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return lm
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}
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func (lm lruMap) len() int {
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return lm.cache.Len()
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}
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func (lm lruMap) keys() []interface{} {
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keys := make([]interface{}, len(lm.cacheKeys))
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for k := range lm.cacheKeys {
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keys = append(keys, k)
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}
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return keys
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}
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func (lm *lruMap) add(key, value interface{}) {
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lm.cacheKeys[lru.Key(key)] = true
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lm.cache.Add(lru.Key(key), value)
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}
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func (lm *lruMap) get(key interface{}) (interface{}, bool) {
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return lm.cache.Get(key)
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}
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