53 lines
1.4 KiB
Go
53 lines
1.4 KiB
Go
// Copyright 2020 PingCAP, Inc.
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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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// See the License for the specific language governing permissions and
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// limitations under the License.
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package profile
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import (
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"time"
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"github.com/pingcap/log"
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"github.com/pingcap/tidb/util/kvcache"
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"go.uber.org/zap"
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)
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var col = &Collector{}
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// HeapProfileForGlobalMemTracker record heap profile data into each global function memory tracker
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func HeapProfileForGlobalMemTracker(d time.Duration) {
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log.Info("Mem Profile Tracker started")
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t := time.NewTicker(d)
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defer t.Stop()
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for {
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<-t.C
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err := heapProfileForGlobalMemTracker()
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if err != nil {
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log.Warn("profile memory into tracker failed", zap.Error(err))
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}
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}
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}
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func heapProfileForGlobalMemTracker() error {
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bytes, err := col.getFuncMemUsage(kvcache.ProfileName)
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if err != nil {
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return err
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}
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defer func() {
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if p := recover(); p != nil {
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log.Error("GlobalLRUMemUsageTracker meet panic", zap.Any("panic", p), zap.Stack("stack"))
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}
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}()
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kvcache.GlobalLRUMemUsageTracker.ReplaceBytesUsed(bytes)
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return nil
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}
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