On Thu, Jul 02, 2026 at 10:57:53AM -0700, Ian Lance Taylor wrote: > On Wed, Jul 1, 2026 at 11:24 PM Andi Kleen <[email protected]> wrote: > > > > From: Andi Kleen <[email protected]> > > > > Reworked patch based on a more compatible interface from Ian Lance > > Taylor. > > > > This allows tools to access discriminator and decl_line to resolve > > inline stacks for autofdo. > > Thanks. I'm still thinking about decl_line. It's not a value > associated with a specific PC. It feels a bit weird to return it > attached to a PC. On the other hand it's admittedly less efficient to > require the caller to look up the function name to get the decl_line > (in libbacktrace this would be backtrace_syminfo to get the initial PC > and backtrace_pcinfo to get the line number of that PC; this could of > course be cached).
Would that work with inlines? autofdo needs it for the full inline stack. -Andi
