import (
"context"
+ "runtime"
"unsafe"
)
+// runtime_FrameStartLine is defined in runtime/symtab.go.
+//
+//go:noescape
+func runtime_FrameStartLine(f *runtime.Frame) int
+
+// runtime_FrameSymbolName is defined in runtime/symtab.go.
+//
+//go:noescape
+func runtime_FrameSymbolName(f *runtime.Frame) string
+
+// runtime_expandFinalInlineFrame is defined in runtime/symtab.go.
+func runtime_expandFinalInlineFrame(stk []uintptr) []uintptr
+
// runtime_setProfLabel is defined in runtime/proflabel.go.
func runtime_setProfLabel(labels unsafe.Pointer)
func runtime_getProfLabel() unsafe.Pointer
// SetGoroutineLabels sets the current goroutine's labels to match ctx.
-// This is a lower-level API than Do, which should be used instead when possible.
+// A new goroutine inherits the labels of the goroutine that created it.
+// This is a lower-level API than [Do], which should be used instead when possible.
func SetGoroutineLabels(ctx context.Context) {
ctxLabels, _ := ctx.Value(labelContextKey{}).(*labelMap)
runtime_setProfLabel(unsafe.Pointer(ctxLabels))
// Do calls f with a copy of the parent context with the
// given labels added to the parent's label map.
+// Goroutines spawned while executing f will inherit the augmented label-set.
// Each key/value pair in labels is inserted into the label map in the
// order provided, overriding any previous value for the same key.
// The augmented label map will be set for the duration of the call to f