mirror of
https://github.com/fnproject/fn.git
synced 2022-10-28 21:29:17 +03:00
41 lines
1.2 KiB
Go
41 lines
1.2 KiB
Go
// Copyright 2016 Iron.io
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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 stats
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import (
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"runtime"
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"time"
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)
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func StartReportingMemoryAndGC(reporter Statter, d time.Duration) {
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ticker := time.Tick(d)
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for {
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select {
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case <-ticker:
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var ms runtime.MemStats
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runtime.ReadMemStats(&ms)
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prefix := "runtime"
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reporter.Measure(prefix, "allocated", int64(ms.Alloc), 1.0)
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reporter.Measure(prefix, "allocated.heap", int64(ms.HeapAlloc), 1.0)
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reporter.Time(prefix, "gc.pause", time.Duration(ms.PauseNs[(ms.NumGC+255)%256]), 1.0)
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// GC CPU percentage.
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reporter.Measure(prefix, "gc.cpufraction", int64(ms.GCCPUFraction*100), 1.0)
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}
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}
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}
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