On Mon, Nov 09, 2020 at 10:54:15PM +0100, Jiri Olsa wrote: > Adding --buildid-mmap option to enable build id in mmap2 events. > It will only work if there's kernel support for that and it disables > build id cache (implies --no-buildid).
What's the point of the option? Why not enable it by default if the kernel supports it? With the option most user won't get the benefit. The only reason I can think of for an option would be to disable so that old tools can still process. -Andi