On Sat, Aug 22, 2015 at 10:30:25AM +1000, Dave Chinner wrote: > On Fri, Aug 21, 2015 at 06:20:53PM +0800, Eryu Guan wrote: [snip] > > Eryu, can you try again, this time manually specifying the writeback > tracepoints so you exclude the really noisy ones? You can also drop > the xfs_file_buffered_write and xfs_file_fsync tracepoints as well, > as we can see that the incoming side of the code is doing the right > thing.... I excluded the writeback tracepoints you mentioned writeback_mark_inode_dirty writeback_dirty_inode_start writeback_dirty_inode writeback_dirty_page writeback_write_inode and left all other writeback tracepoints enabled, also dropped xfs_file_buffered_write and xfs_file_fsync. This time I can reproduce generic/048 quickly and please download the trace info from below http://128.199.137.77/writeback-v2/ Thanks, Eryu -- 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