mirror of https://github.com/k3s-io/k3s
48 lines
1.6 KiB
Go
48 lines
1.6 KiB
Go
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// Copyright 2017 The etcd 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 debugutil
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import (
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"net/http"
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"net/http/pprof"
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"runtime"
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)
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const HTTPPrefixPProf = "/debug/pprof"
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// PProfHandlers returns a map of pprof handlers keyed by the HTTP path.
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func PProfHandlers() map[string]http.Handler {
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// set only when there's no existing setting
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if runtime.SetMutexProfileFraction(-1) == 0 {
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// 1 out of 5 mutex events are reported, on average
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runtime.SetMutexProfileFraction(5)
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}
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m := make(map[string]http.Handler)
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m[HTTPPrefixPProf+"/"] = http.HandlerFunc(pprof.Index)
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m[HTTPPrefixPProf+"/profile"] = http.HandlerFunc(pprof.Profile)
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m[HTTPPrefixPProf+"/symbol"] = http.HandlerFunc(pprof.Symbol)
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m[HTTPPrefixPProf+"/cmdline"] = http.HandlerFunc(pprof.Cmdline)
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m[HTTPPrefixPProf+"/trace "] = http.HandlerFunc(pprof.Trace)
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m[HTTPPrefixPProf+"/heap"] = pprof.Handler("heap")
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m[HTTPPrefixPProf+"/goroutine"] = pprof.Handler("goroutine")
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m[HTTPPrefixPProf+"/threadcreate"] = pprof.Handler("threadcreate")
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m[HTTPPrefixPProf+"/block"] = pprof.Handler("block")
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m[HTTPPrefixPProf+"/mutex"] = pprof.Handler("mutex")
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return m
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}
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