Messages in this thread | | | Date | Thu, 29 May 2003 11:52:37 -0700 | From | Andrew Morton <> | Subject | Re: 2.5.70-mm1 |
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"Martin J. Bligh" <mbligh@aracnet.com> wrote: > > > SDET 128 (see disclaimer) > > Throughput Std. Dev > > 2.5.66-mm2 100.0% 0.6% > > 2.5.66-mm2-ext3 3.9% 0.4% > > > > SDET 128 (see disclaimer) > > Throughput Std. Dev > > 2.5.70-mm1-ext2 100.0% 0.1% > > 2.5.70-mm1-ext3 22.7% 2.0% > > Andrew pointed out I should turn off extended attributes, I reran > like this ... not much change (with error margins) > > SDET 32 (see disclaimer) > Throughput Std. Dev > 2.5.70-mm1-ext2 100.0% 0.2% > 2.5.70-mm1-ext3 30.9% 7.8% > 2.5.70-mm1-noxa 34.6% 6.5%
OK, a 10x improvement isn't too bad. I'm hoping the gap between ext2 and ext3 is mainly idle time and not spinning-on-locks time.
> > 2024927 267.3% total > 1677960 472.8% default_idle > 116350 0.0% .text.lock.transaction > 42783 0.0% do_get_write_access > 40293 0.0% journal_dirty_metadata > 34251 6414.0% __down > 27867 9166.8% .text.lock.attr
Bah. In inode_setattr(), move the mark_inode_dirty() outside lock_kernel().
> 20016 2619.9% __wake_up > 19632 927.4% schedule > 12204 0.0% .text.lock.sched > 12128 0.0% start_this_handle > 10011 0.0% journal_add_journal_head
hm, lots of context switches still.
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