On Wed, 29 May 2013 22:37:00 +0200, Andi Kleen wrote: > > > As Dave said before, is the last path component sufficient? Or how > > about an inode number? > > Neither works, the profiler needs to find the file and read it. Ignoring all the complexity this would cause downstream, you could do the path lookup just once, attach some cookie to it and return the cookie ever-after. Maybe some combination of i_sb and i_ino would be good enough as a cookie. Jörn -- Data dominates. If you've chosen the right data structures and organized things well, the algorithms will almost always be self-evident. Data structures, not algorithms, are central to programming. -- Rob Pike -- To unsubscribe from this list: send the line "unsubscribe linux-nfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
