On Mon, Feb 06, 2017 at 05:17:35PM -0500, Steven Rostedt wrote: > From: "Steven Rostedt (VMware)" <rost...@goodmis.org> > > The likely/unlikely profiler showed that the unlikely around the > dentry->d_flags & DCACHE_OP_REVALIDATE was wrong 95% of the time. Adding > trace_printk()s, it revealed that the dentry ops had hooks to: > > kernfs_dop_revalidate > pid_revalidate > proc_sys_revalidate > tid_fd_revalidate > > As tools today now access files that have these operations often, it's best > just to remove the annotation, as it is more dependent on use cases and not > normal mode of operation if it will be true or not.
"Tools" being what, exactly? What kind of load had that been measured on?