On Thu, Jan 12, 2023 at 01:21:53PM -0500, Steven Rostedt wrote: > What I would like to discuss, is if there could be a way to add some sort > of trace events that can tell an application exactly what pages in a file > are being read from disk, where there is no such races. Then an application > would simply have to read this information and store it, and then it can > use this information later to call readahead() on these locations of the > file so that they are available when needed. trace_mm_filemap_add_to_page_cache()?