On Sat, Jun 06, 2009 at 11:38:45AM -0500, Steven Pratt wrote: > > No problem. Raid results are uploading to > http://btrfs.boxacle.net/repository/raid/history/History.html now. > There were massive improvements in the random write workloads, > especially with cow enabled!! MailServer had moderate perf gains, but > dramatic decrease in CPU utilization, so this is very good as well. > > The only regression I see is on large file creates, CPU is up 200% or > more while performance is fairly flat. btrfs_tree_lock now dominates > the profile.
I'm not able to reproduce the btrfs_tree_lock usage that you're seeing. Could you please use the callgraph option to oprofile? -chris -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
