On Tue, Jan 25, 2011 at 1:46 PM, Shaohua Li <shaohua.li@xxxxxxxxx> wrote: > On Tue, Jan 25, 2011 at 10:09:48AM +0800, Nick Piggin wrote: >> What does an actual snippet from perf with callgraphs look like? > here is another perf report OK well there a lot of hits reading /proc/mounts and statfs, but still more that appear to be coming from fstat/open/unlink/rename. It looks like they are coming from dropping rcu walk along the path rather than a full restart. So we will have to see where those are coming from. My stats patch will help with that. Thanks, Nick -- To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
