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cmd/compilebench: unify Size benchmark implementations

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Change-Id: I181d9f9ce8880af8fbcdd43073d62f492725c85b
Reviewed-on: https://go-review.googlesource.com/39717
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
This commit is contained in:
Josh Bleecher Snyder 2017-04-06 09:59:01 -07:00
parent 89b6e5ee0d
commit 1cab72a478
1 changed files with 8 additions and 15 deletions
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23
compilebench/main.go
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@ -180,29 +180,22 @@ func runStdCmd() {
runCmd("BenchmarkStdCmd", cmd)
}
func runCmdGoSize() {
runSize("BenchmarkCmdGoSize", filepath.Join(runtime.GOROOT(), "bin/go"))
}
func runHelloSize() {
cmd := exec.Command("go", "build", "-o", "_hello_", filepath.Join(runtime.GOROOT(), "test/helloworld.go"))
// path is either a path to a file ("$GOROOT/test/helloworld.go") or a package path ("cmd/go").
func runSize(name, path string) {
cmd := exec.Command("go", "build", "-o", "_compilebenchout_", path)
cmd.Stdout = os.Stderr
cmd.Stderr = os.Stderr
if err := cmd.Run(); err != nil {
log.Print(err)
return
}
defer os.Remove("_hello_")
runSize("BenchmarkHelloSize", "_hello_")
}
func runSize(name, file string) {
info, err := os.Stat(file)
defer os.Remove("_compilebenchout_")
info, err := os.Stat("_compilebenchout_")
if err != nil {
log.Print(err)
return
}
out, err := exec.Command("size", file).CombinedOutput()
out, err := exec.Command("size", "_compilebenchout_").CombinedOutput()
if err != nil {
log.Printf("size: %v\n%s", err, out)
return
@ -226,10 +219,10 @@ func runBuild(name, dir string) {
runStdCmd()
return
case "BenchmarkCmdGoSize":
runCmdGoSize()
runSize("BenchmarkCmdGoSize", "cmd/go")
return
case "BenchmarkHelloSize":
runHelloSize()
runSize("BenchmarkHelloSize", filepath.Join(runtime.GOROOT(), "test/helloworld.go"))
return
}