On Wed, 2009-04-22 at 08:07 -0400, Larry Woodman wrote: > On Wed, 2009-04-22 at 11:57 +0200, Ingo Molnar wrote: > > * KOSAKI Motohiro wrote: > > > In past thread, Andrew pointed out bare page tracer isn't useful. > > > > (do you have a link to that mail?) > > > > > Can you make good consumer? > > I will work up some good examples of what these are useful for. I use > the mm tracepoint data in the debugfs trace buffer to locate customer > performance problems associated with memory allocation, deallocation, > paging and swapping frequently, especially on large systems. > > Larry Attached is an example of what the mm tracepoints can be used for: