cd $GOPATH/src/github.com/niean/goperfcounter && go test -test.bench=".*"
PASS
BenchmarkMeter 2000000 918 ns/op
BenchmarkMeterMulti 2000000 916 ns/op
BenchmarkGauge 5000000 342 ns/op
BenchmarkGaugeMulti 5000000 333 ns/op
BenchmarkHistogram 2000000 800 ns/op
BenchmarkHistogramMulti 2000000 780 ns/op
ok github.com/niean/goperfcounter 14.568s