52 lines
1.4 KiB
Go
52 lines
1.4 KiB
Go
/*
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Copyright 2021 The Fission Authors.
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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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http://www.apache.org/licenses/LICENSE-2.0
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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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*/
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// To use profile in a go program over http
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// import this package and call ProfileIfEnabled()
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// in your main function.
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// Please set the environment variable PPROF_ENABLE=true to enable/disable it runtime.
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// To customize host and port you can set PPROF_HOST and PPROF_PORT environment variables.
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// $ PPROF_ENABLE=true PPROF_HOST=localhost PPROF_PORT=6060 go run myprogram.go
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package profile
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import (
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"context"
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"net/http"
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_ "net/http/pprof"
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"os"
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"go.uber.org/zap"
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"github.com/fission/fission/pkg/utils/httpserver"
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)
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func ProfileIfEnabled(ctx context.Context, logger *zap.Logger) {
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enablePprof := os.Getenv("PPROF_ENABLED")
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if enablePprof != "true" {
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return
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}
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pprofPort := os.Getenv("PPROF_PORT")
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if pprofPort == "" {
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pprofPort = "6060"
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}
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pprofMux := http.DefaultServeMux
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http.DefaultServeMux = http.NewServeMux()
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go httpserver.StartServer(ctx, logger, "pprof", pprofPort, pprofMux)
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}
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