[go-nuts] pprof cpu profile doesn't write sample to file

[bln prasad]

I'm running go application as systemd service. I've enabled cpu profile 
using pprof as specified in documents. When service ran, it's creating file 
but no samples are getting written to file.
Does it required any special build arguments?

       f, err := os.Create("/tmp/cpu.prof")
        if err != nil {
                log.Fatal("could not create CPU profile: ", err)
        }
        defer f.Close()

        if err := pprof.StartCPUProfile(f); err != nil {
                log.Fatal("could not start CPU profile: ", err)
        }
        defer pprof.StopCPUProfile()

Thanks,
BLN

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