The console commands + output

console.log

; gotest -x -v -cpuprofile=prof.out   -run="no tests" -bench="."
gotest 0.00s: gomake testpackage-clean
rm -f _test/github.com/bmizerany/mc.go.a
 [+0.08s]
gotest 0.08s: gomake testpackage GOTESTFILES=bench_test.go mc_test.go util_test.go
6g   -p github.com/bmizerany/mc.go -o _gotest_.6 mc.go  bench_test.go mc_test.go util_test.go
rm -f _test/github.com/bmizerany/mc.go.a
gopack grc _test/github.com/bmizerany/mc.go.a _gotest_.6 
 [+0.19s]
gotest 0.27s: gomake -s importpath
 [+0.07s]
gotest 0.34s: 6g -I _test _testmain.go
 [+0.02s]
gotest 0.36s: 6l -L _test _testmain.6
 [+0.44s]
gotest 0.80s: ./6.out -test.v=true -test.cpuprofile=prof.out -test.run=no tests -test.bench=.
PASS
mc.BenchmarkSet100k	       1	18968717000 ns/op
 [+19.00s]
gotest 19.80s: done
; 
; cat prof.out 
?f_o?ilj?SU)??; 
; gopprof ./6.out prof.out 
Welcome to pprof!  For help, type 'help'.
(pprof) top10
Total: 1037 samples
    1037 100.0% 100.0%     1037 100.0% __cgo_allocate
(pprof) quit
; 
; gotest -x -v -cpuprofile=prof.out   -run="no tests" -bench="."
gotest 0.00s: gomake testpackage-clean
rm -f _test/github.com/bmizerany/mc.go.a
 [+0.07s]
gotest 0.08s: gomake testpackage GOTESTFILES=bench_test.go mc_test.go util_test.go
rm -f _test/github.com/bmizerany/mc.go.a
gopack grc _test/github.com/bmizerany/mc.go.a _gotest_.6 
 [+0.10s]
gotest 0.17s: gomake -s importpath
 [+0.07s]
gotest 0.24s: 6g -I _test _testmain.go
 [+0.02s]
gotest 0.26s: 6l -L _test _testmain.6
 [+0.38s]
gotest 0.64s: ./6.out -test.v=true -test.cpuprofile=prof.out -test.run=no tests -test.bench=.
PASS
mc.BenchmarkSet100k	       1	13705275000 ns/op
 [+13.74s]
gotest 14.38s: done
; gopprof ./6.out prof.out 
Welcome to pprof!  For help, type 'help'.
(pprof) top10
Total: 1013 samples
    1013 100.0% 100.0%     1013 100.0% __cgo_allocate
(pprof) 

prof.out