Messages in this thread | | | Date | Fri, 21 Aug 2015 18:20:53 +0800 | From | Eryu Guan <> | Subject | Re: [PATCH block/for-linus] writeback: fix syncing of I_DIRTY_TIME inodes |
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On Wed, Aug 19, 2015 at 07:56:11AM +1000, Dave Chinner wrote: > On Tue, Aug 18, 2015 at 12:54:39PM -0700, Tejun Heo wrote: [snip] > > I'd suggest looking at some of the XFS tracepoints during the test: > > tracepoint trigger > xfs_file_buffered_write once per write syscall > xfs_file_sync once per fsync per inode > xfs_vm_writepage every ->writepage call > xfs_setfilesize every IO completion that updates inode size > > And it's probably best to also include all the writeback > tracepoints, too, for context. That will tell you what inodes and > what part of them are getting written back and when....
I finally reproduced generic/048 with both xfs and writeback tracepoints enabled, please download the trace dat file and trace report file from
http://128.199.137.77/writeback/
Thanks, Eryu
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