Jeff Mitchell
1645c3106e
Right now it's essentially a copy; it needs some updating, integration into dev, and so on.
43 lines
923 B
Go
43 lines
923 B
Go
// +build memprofiler
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package base
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import (
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"os"
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"path/filepath"
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"runtime"
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"runtime/pprof"
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"time"
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"github.com/hashicorp/go-hclog"
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)
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func init() {
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memProfilerEnabled = true
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}
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func StartMemProfiler(logger hclog.Logger) {
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profileDir := filepath.Join(os.TempDir(), "watchtowerprof")
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if err := os.MkdirAll(profileDir, 0700); err != nil {
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logger.Debug("could not create profile directory", "error", err)
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return
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}
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go func() {
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for {
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filename := filepath.Join(profileDir, time.Now().UTC().Format("20060102_150405")) + ".pprof"
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f, err := os.Create(filename)
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if err != nil {
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logger.Debug("could not create memory profile", "error", err)
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}
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runtime.GC()
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if err := pprof.WriteHeapProfile(f); err != nil {
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logger.Debug("could not write memory profile", "error", err)
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}
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f.Close()
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logger.Debug("wrote memory profile", "filename", filename)
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time.Sleep(5 * time.Minute)
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}
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}()
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}
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