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cmd/compilebench: add -pkg flag to compile a single package

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Sometimes, as with CL 41493, or when investigating
a reported issue, there's a package of interest
that is not part of the standard compilebench suite.
Add a -pkg flag to allow easy access to the compilebench
set of goodies (allocs, object file stats) without
having to edit and reinstall compilebench itself,
which is what I have been doing.

Change-Id: Id6ca6356cae062208f8686c0cb597ed45fc861c0
Reviewed-on: https://go-review.googlesource.com/41627
Run-TryBot: Josh Bleecher Snyder <josharian@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
This commit is contained in:
Josh Bleecher Snyder 2017-04-24 17:28:29 -07:00
parent 81478017b6
commit 518248cfad
1 changed files with 8 additions and 0 deletions
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8
cmd/compilebench/main.go
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@ -37,6 +37,9 @@
// -obj
// Report object file statistics.
//
// -pkg
// Benchmark compiling a single package.
//
// -run regexp
// Only run benchmarks with names matching regexp.
//
@ -96,6 +99,7 @@ var (
flagCpuprofile = flag.String("cpuprofile", "", "write CPU profile to `file`")
flagMemprofile = flag.String("memprofile", "", "write memory profile to `file`")
flagMemprofilerate = flag.Int64("memprofilerate", -1, "set memory profile `rate`")
flagPackage = flag.String("pkg", "", "if set, benchmark the package at path `pkg`")
flagShort = flag.Bool("short", false, "skip long-running benchmarks")
)
@ -158,6 +162,10 @@ func main() {
}
for i := 0; i < *flagCount; i++ {
if *flagPackage != "" {
runBuild("BenchmarkPkg", *flagPackage, i)
continue
}
for _, tt := range tests {
if tt.long && *flagShort {
continue