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cmd/go: add more tracing

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Change-Id: I26ed64c097533ee9276e598653db72efc053c4e5
Reviewed-on: https://go-review.googlesource.com/c/go/+/403156
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Michael Matloob <matloob@golang.org>
Run-TryBot: Michael Matloob <matloob@golang.org>
Reviewed-by: Bryan Mills <bcmills@google.com>
This commit is contained in:
Michael Matloob 2022-04-05 18:47:23 -04:00
parent 635b1244aa
commit f38a580a51
3 changed files with 16 additions and 0 deletions
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6
src/cmd/go/internal/load/pkg.go
View File

@ -686,6 +686,9 @@ func LoadImport(ctx context.Context, opts PackageOpts, path, srcDir string, pare
}
func loadImport(ctx context.Context, opts PackageOpts, pre *preload, path, srcDir string, parent *Package, stk *ImportStack, importPos []token.Position, mode int) *Package {
ctx, span := trace.StartSpan(ctx, "modload.loadImport "+path)
defer span.Done()
if path == "" {
panic("LoadImport called with empty package path")
}
@ -801,6 +804,9 @@ func loadImport(ctx context.Context, opts PackageOpts, pre *preload, path, srcDi
// loadPackageData returns a boolean, loaded, which is true if this is the
// first time the package was loaded. Callers may preload imports in this case.
func loadPackageData(ctx context.Context, path, parentPath, parentDir, parentRoot string, parentIsStd bool, mode int) (bp *build.Package, loaded bool, err error) {
ctx, span := trace.StartSpan(ctx, "load.loadPackageData "+path)
defer span.Done()
if path == "" {
panic("loadPackageData called with empty package path")
}

3
src/cmd/go/internal/modload/query.go
View File

@ -74,6 +74,9 @@ import (
// If path is the path of the main module and the query is "latest",
// Query returns Target.Version as the version.
func Query(ctx context.Context, path, query, current string, allowed AllowedFunc) (*modfetch.RevInfo, error) {
ctx, span := trace.StartSpan(ctx, "modload.Query "+path)
defer span.Done()
var info *modfetch.RevInfo
err := modfetch.TryProxies(func(proxy string) (err error) {
info, err = queryProxy(ctx, proxy, path, query, current, allowed)

7
src/cmd/go/internal/modload/search.go
View File

@ -23,6 +23,7 @@ import (
"cmd/go/internal/modindex"
"cmd/go/internal/par"
"cmd/go/internal/search"
"cmd/go/internal/trace"
"golang.org/x/mod/module"
)
@ -38,6 +39,9 @@ const (
// a global) for tags, can include or exclude packages in the standard library,
// and is restricted to the given list of modules.
func matchPackages(ctx context.Context, m *search.Match, tags map[string]bool, filter stdFilter, modules []module.Version) {
ctx, span := trace.StartSpan(ctx, "modload.matchPackages")
defer span.Done()
m.Pkgs = []string{}
isMatch := func(string) bool { return true }
@ -69,6 +73,9 @@ func matchPackages(ctx context.Context, m *search.Match, tags map[string]bool, f
q := par.NewQueue(runtime.GOMAXPROCS(0))
walkPkgs := func(root, importPathRoot string, prune pruning) {
_, span := trace.StartSpan(ctx, "walkPkgs "+root)
defer span.Done()
root = filepath.Clean(root)
err := fsys.Walk(root, func(path string, fi fs.FileInfo, err error) error {
if err != nil {