On Tue, Jan 03, 2012 at 04:20:21PM -0500, Sushil Mantri wrote: > Hi All, > > Sorry but this isn't a ext4 specific question but a general filesystem question. > > I am looking for a way to track filesystem level operation like > operation(read/write), filename, offset, size of read/write, pid of > the requesting process. The goal of my project is to collect such > traces and understand access usage of directories and more. I would > like to filter other operation like open,close, etc and requests to > procfs, etc. There was a stackable file system earlier called Tracefs. > It isn't supported anymore though. The original paper can be found > here: filesystems.org/docs/tracefs-fast04/tracefs.ps Add your own trace points to the VFS and extract and filter them with trace-cmd. Cheers, Dave. -- Dave Chinner david@xxxxxxxxxxxxx -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
