Re: [f2fs-dev] write performance difference 3.18.21/git f2fs

2015-10-02 Thread Jaegeuk Kim
On Thu, Oct 01, 2015 at 08:51:24PM +0200, Marc Lehmann wrote: > On Thu, Oct 01, 2015 at 02:11:20PM +0200, Marc Lehmann > wrote: > > WOW, THAT HELPED A LOT. While the peak throughput seems quite a bit lower > > Ok, for completeness, here is the full log and a description of what was > going on. >

Re: [f2fs-dev] write performance difference 3.18.21/git f2fs

2015-10-01 Thread Marc Lehmann
On Thu, Oct 01, 2015 at 02:11:20PM +0200, Marc Lehmann wrote: > WOW, THAT HELPED A LOT. While the peak throughput seems quite a bit lower Ok, for completeness, here is the full log and a description of what was going on. http://data.plan9.de/f2fs.s64.noinline.full.trace.xz status at the end +

Re: [f2fs-dev] write performance difference 3.18.21/git f2fs

2015-10-01 Thread Marc Lehmann
On Tue, Sep 29, 2015 at 04:13:10PM -0700, Jaegeuk Kim wrote: > > First thing, the allocation-failure-on-mount is still in the backported 3.18 > > f2fs module. If it's supposed to be gone in that version, it's not working: > > > > http://ue.tst.eu/a1bc4796012bd7191ab2ada566d4cd22.txt > > Oops, i

Re: [f2fs-dev] write performance difference 3.18.21/git f2fs

2015-09-30 Thread Chao Yu
> -Original Message- > From: Jaegeuk Kim [mailto:jaeg...@kernel.org] > Sent: Wednesday, September 30, 2015 7:13 AM > To: Marc Lehmann > Cc: linux-f2fs-devel@lists.sourceforge.net > Subject: Re: [f2fs-dev] write performance difference 3.18.21/git f2fs > > On Tue, Se

Re: [f2fs-dev] write performance difference 3.18.21/git f2fs

2015-09-29 Thread Jaegeuk Kim
On Tue, Sep 29, 2015 at 01:02:04PM +0200, Marc Lehmann wrote: > On Mon, Sep 28, 2015 at 10:59:44AM -0700, Jaegeuk Kim > wrote: > > In order to verify this also, could you retrieve the following logs? > > First thing, the allocation-failure-on-mount is still in the backported 3.18 > f2fs module.

Re: [f2fs-dev] write performance difference 3.18.21/git f2fs

2015-09-29 Thread Marc Lehmann
On Mon, Sep 28, 2015 at 10:59:44AM -0700, Jaegeuk Kim wrote: > In order to verify this also, could you retrieve the following logs? First thing, the allocation-failure-on-mount is still in the backported 3.18 f2fs module. If it's supposed to be gone in that version, it's not working: http://ue.

Re: [f2fs-dev] write performance difference 3.18.21/git f2fs

2015-09-28 Thread Jaegeuk Kim
On Sat, Sep 26, 2015 at 03:59:57PM +0200, Marc Lehmann wrote: > On Sat, Sep 26, 2015 at 12:52:53AM -0700, Jaegeuk Kim > wrote: > > > Just for fun I'll start doing a -s64 run. > > (which had the same result). > > > Okay, so before finding bad commits, if possible, can you get block traces? > >

Re: [f2fs-dev] write performance difference 3.18.21/git f2fs

2015-09-26 Thread Marc Lehmann
On Sat, Sep 26, 2015 at 12:52:53AM -0700, Jaegeuk Kim wrote: > > Just for fun I'll start doing a -s64 run. (which had the same result). > Okay, so before finding bad commits, if possible, can you get block traces? If you can teach me how to, sure! In the meantime, maybe what happened is that

Re: [f2fs-dev] write performance difference 3.18.21/git f2fs

2015-09-26 Thread Jaegeuk Kim
On Sat, Sep 26, 2015 at 07:25:51AM +0200, Marc Lehmann wrote: > Ok, before I tried the f2fs git I made another short test with the > original 3.18.21 f2fs, and it was as fast as before. Then I used the > faulty f2fs module,. which forced a reboot. > > Now I started to redo the 3.18.21 test + git f

Re: [f2fs-dev] write performance difference 3.18.21/git f2fs

2015-09-25 Thread Marc Lehmann
On Sat, Sep 26, 2015 at 07:25:51AM +0200, Marc Lehmann wrote: > Just for fun I'll start doing a -s64 run. Same thing with -s64. -- The choice of a Deliantra, the free code+content MORPG -==- _GNU_ http://www.deliantra.net ==-- _

[f2fs-dev] write performance difference 3.18.21/git f2fs

2015-09-25 Thread Marc Lehmann
Ok, before I tried the f2fs git I made another short test with the original 3.18.21 f2fs, and it was as fast as before. Then I used the faulty f2fs module,. which forced a reboot. Now I started to redo the 3.18.21 test + git f2fs, with the same parameters (specifically, -s90), and while it didn't