On Wed, Aug 31, 2022 at 09:38:27AM +0200, Peter Zijlstra wrote: > On Tue, Aug 30, 2022 at 02:48:49PM -0700, Suren Baghdasaryan wrote: > > =========================== > > Code tagging framework > > =========================== > > Code tag is a structure identifying a specific location in the source code > > which is generated at compile time and can be embedded in an application- > > specific structure. Several applications of code tagging are included in > > this RFC, such as memory allocation tracking, dynamic fault injection, > > latency tracking and improved error code reporting. > > Basically, it takes the old trick of "define a special elf section for > > objects of a given type so that we can iterate over them at runtime" and > > creates a proper library for it. > > I might be super dense this morning, but what!? I've skimmed through the > set and I don't think I get it. > > What does this provide that ftrace/kprobes don't already allow? You're kidding, right?
