fio.git
13 years agoAlways make sure buffer sizes are aligned for allocation
Jens Axboe [Tue, 20 Mar 2007 09:33:11 +0000 (10:33 +0100)]
Always make sure buffer sizes are aligned for allocation

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
13 years agoFile creation fix
Jens Axboe [Tue, 20 Mar 2007 09:11:07 +0000 (10:11 +0100)]
File creation fix

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
13 years ago'dev' is 'stdev' in the print out now
Jens Axboe [Tue, 20 Mar 2007 09:02:06 +0000 (10:02 +0100)]
'dev' is 'stdev' in the print out now

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
13 years agoMake sure mmaphuge file backed file is the size we need
Jens Axboe [Mon, 19 Mar 2007 13:00:54 +0000 (14:00 +0100)]
Make sure mmaphuge file backed file is the size we need

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
13 years agoSort option possible value map
Jens Axboe [Mon, 19 Mar 2007 12:15:23 +0000 (13:15 +0100)]
Sort option possible value map

We need to match longest option first, since we have to use
strncmp() to avoid fiddling with postfix options.

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
13 years agoRevert b370e46b370e46... Put longest options first
Jens Axboe [Mon, 19 Mar 2007 12:14:03 +0000 (13:14 +0100)]
Revert b370e46b370e46... Put longest options first

This reverts commit b370e46abdd2bfe764e28efb41c4caadc632b937.

We should not have to do this, and the commit was even buggy since
it mistakenly put mmap inside the mmaphuge ifdef section. Just make
parse sort the posval entries.

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
13 years agoHelpful indication to run as root
Jens Axboe [Mon, 19 Mar 2007 10:36:36 +0000 (11:36 +0100)]
Helpful indication to run as root

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
13 years agoNo need to use perror() after td_verror()
Jens Axboe [Mon, 19 Mar 2007 10:32:46 +0000 (11:32 +0100)]
No need to use perror() after td_verror()

That'll just result in the error being displayed twice.

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
13 years agoPut longest options first
Jens Axboe [Mon, 19 Mar 2007 09:51:49 +0000 (10:51 +0100)]
Put longest options first

We need to have things like shmhuge before shm, otherwise the parser
will match shm. The parser needs to be fixed, this is just a quick fix.

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
13 years agoWe can't stringify something the parser doesn't handle
Jens Axboe [Mon, 19 Mar 2007 09:50:47 +0000 (10:50 +0100)]
We can't stringify something the parser doesn't handle

The size needs to be written out in full.

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
13 years agoImprove rwmix buffered split
Jens Axboe [Fri, 16 Mar 2007 19:27:27 +0000 (20:27 +0100)]
Improve rwmix buffered split

For buffered IO, the rwmix split can often be grossly unfair
towards reads, because dirtying tons of memory is done much
faster than reading data. Improve the split for such workloads
by not only looking at time.

Note that it'll still be somewhat unfair, there's only so much
we can reliably do. But it's better.

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
13 years agoIf the rate setting is based on IOPS, reflect that in eta output
Jens Axboe [Fri, 16 Mar 2007 09:24:07 +0000 (10:24 +0100)]
If the rate setting is based on IOPS, reflect that in eta output

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
13 years agoUntangle the file creation mess
Jens Axboe [Thu, 15 Mar 2007 19:49:25 +0000 (20:49 +0100)]
Untangle the file creation mess

Still needs a lot of work, will do a rewrite of this soonish. At
least it should work now.

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
13 years agoCompile error with FIO_USE_TIMEOUT defined
Jens Axboe [Thu, 15 Mar 2007 14:04:43 +0000 (15:04 +0100)]
Compile error with FIO_USE_TIMEOUT defined

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
13 years agoMove thread options into a seperate structure
Jens Axboe [Thu, 15 Mar 2007 14:01:33 +0000 (15:01 +0100)]
Move thread options into a seperate structure

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
13 years agoAdd some more options for commands
Jens Axboe [Thu, 15 Mar 2007 13:12:05 +0000 (14:12 +0100)]
Add some more options for commands

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
13 years agoShow alias in command help
Jens Axboe [Thu, 15 Mar 2007 13:11:38 +0000 (14:11 +0100)]
Show alias in command help

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
13 years agoStyle cleanup
Jens Axboe [Thu, 15 Mar 2007 13:11:10 +0000 (14:11 +0100)]
Style cleanup

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
13 years agoCommand help match also on aliases
Jens Axboe [Thu, 15 Mar 2007 13:09:28 +0000 (14:09 +0100)]
Command help match also on aliases

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
13 years agoMove setup_rate() out of log.c
Jens Axboe [Thu, 15 Mar 2007 11:09:57 +0000 (12:09 +0100)]
Move setup_rate() out of log.c

Dunno why it ended up in there, doesn't make any sense.

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
13 years agoImprove rate accounting
Jens Axboe [Thu, 15 Mar 2007 11:09:39 +0000 (12:09 +0100)]
Improve rate accounting

Don't assume usec_sleep() is extremely precise.

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
13 years agoSupport for setting rated based on IOPS
Jens Axboe [Thu, 15 Mar 2007 10:41:11 +0000 (11:41 +0100)]
Support for setting rated based on IOPS

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
13 years agoblockdev_invalidate_cache(): return -1 for error
Jens Axboe [Thu, 15 Mar 2007 10:35:33 +0000 (11:35 +0100)]
blockdev_invalidate_cache(): return -1 for error

This follows the normal system calls, and makes fio pickup errno
appropriately.

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
13 years agoFailure to put job in add_job() failure case
Jens Axboe [Thu, 15 Mar 2007 10:06:32 +0000 (11:06 +0100)]
Failure to put job in add_job() failure case

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
13 years agoSplit option handling out of init.c
Jens Axboe [Thu, 15 Mar 2007 09:48:13 +0000 (10:48 +0100)]
Split option handling out of init.c

It grew way too large.

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
13 years agoMore file creation improvements
Jens Axboe [Thu, 15 Mar 2007 08:35:56 +0000 (09:35 +0100)]
More file creation improvements

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
13 years agoRemember to account for existing files in size setup
Jens Axboe [Thu, 15 Mar 2007 08:33:15 +0000 (09:33 +0100)]
Remember to account for existing files in size setup

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
13 years agoUse log_info() throughout
Jens Axboe [Thu, 15 Mar 2007 08:22:23 +0000 (09:22 +0100)]
Use log_info() throughout

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
13 years agosiint range parsing HOWTO update
Jens Axboe [Thu, 15 Mar 2007 08:15:51 +0000 (09:15 +0100)]
siint range parsing HOWTO update

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
13 years agoAccept '-' as siint delimter as well.
Jens Axboe [Thu, 15 Mar 2007 08:15:12 +0000 (09:15 +0100)]
Accept '-' as siint delimter as well.

Hope this doesn't break any parsing...

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
13 years agoAdd 'filesize' option
Jens Axboe [Thu, 15 Mar 2007 08:14:47 +0000 (09:14 +0100)]
Add 'filesize' option

Allows the user to define the range of file sizes generated.

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
13 years agoFix build on x86-64 distros without __NR_pread64/pwrite64
Jens Axboe [Wed, 14 Mar 2007 19:41:42 +0000 (20:41 +0100)]
Fix build on x86-64 distros without __NR_pread64/pwrite64

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
13 years agoFix build of syslet engine on x86-64
Jens Axboe [Wed, 14 Mar 2007 13:29:16 +0000 (14:29 +0100)]
Fix build of syslet engine on x86-64

Broke on some distros, apparently. Reported by
gurudas pai <gurudas.pai@oracle.com>

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
13 years agoFio 1.14a fio-1.14a
Jens Axboe [Wed, 14 Mar 2007 13:24:11 +0000 (14:24 +0100)]
Fio 1.14a

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
13 years agoFixup new and wrong file name behaviour
Jens Axboe [Wed, 14 Mar 2007 13:23:54 +0000 (14:23 +0100)]
Fixup new and wrong file name behaviour

We used to default to using the jobname as the filename,
if it wasn't a regular existing file. So do that again.

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
13 years agoMerge branch 'master' of ssh://brick.kernel.dk/data/git/fio
Jens Axboe [Wed, 14 Mar 2007 13:15:45 +0000 (14:15 +0100)]
Merge branch 'master' of ssh://brick.kernel.dk/data/git/fio

13 years agoposixaio engine: better handling of partial completions
Jens Axboe [Wed, 14 Mar 2007 13:14:48 +0000 (14:14 +0100)]
posixaio engine: better handling of partial completions

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
13 years agoDon't free ->files
Jens Axboe [Wed, 14 Mar 2007 12:58:54 +0000 (13:58 +0100)]
Don't free ->files

It may be shared.

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
13 years agoHelp update
Jens Axboe [Wed, 14 Mar 2007 12:28:31 +0000 (13:28 +0100)]
Help update

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
13 years agoAdd suboption help texts
Jens Axboe [Wed, 14 Mar 2007 12:24:07 +0000 (13:24 +0100)]
Add suboption help texts

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
13 years agoLeft justify help output
Jens Axboe [Wed, 14 Mar 2007 12:02:53 +0000 (13:02 +0100)]
Left justify help output

The right justification may look prettier, but it's harder
to read and find the option.

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
13 years agoFio version 1.14 fio-1.14
Jens Axboe [Wed, 14 Mar 2007 10:37:39 +0000 (11:37 +0100)]
Fio version 1.14

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
13 years agoNew/old file mix fix
Jens Axboe [Wed, 14 Mar 2007 10:21:27 +0000 (11:21 +0100)]
New/old file mix fix

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
13 years agoUpdate io engine comments
Jens Axboe [Wed, 14 Mar 2007 09:59:33 +0000 (10:59 +0100)]
Update io engine comments

Some were plain wrong, mainly because they were born through
copying an existing engine.

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
13 years agommap engine: make sure that page unaligned syncs work
Jens Axboe [Wed, 14 Mar 2007 09:34:47 +0000 (10:34 +0100)]
mmap engine: make sure that page unaligned syncs work

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
13 years agorecurse_dir(): Move . and .. check earlier
Jens Axboe [Wed, 14 Mar 2007 08:39:06 +0000 (09:39 +0100)]
recurse_dir(): Move . and .. check earlier

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
13 years agoBetter handling of file creation vs existing files
Jens Axboe [Wed, 14 Mar 2007 08:16:09 +0000 (09:16 +0100)]
Better handling of file creation vs existing files

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
13 years agoFix for bs shrinkage
Jens Axboe [Wed, 14 Mar 2007 08:15:42 +0000 (09:15 +0100)]
Fix for bs shrinkage

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
13 years agoWhen opening a new file, check file limit not total number
Jens Axboe [Wed, 14 Mar 2007 07:50:49 +0000 (08:50 +0100)]
When opening a new file, check file limit not total number

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
13 years agoFix double io_u free in error path
Jens Axboe [Tue, 13 Mar 2007 20:50:34 +0000 (21:50 +0100)]
Fix double io_u free in error path

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
13 years agoPrint informative error when we hit the max number of files open
Jens Axboe [Tue, 13 Mar 2007 20:41:38 +0000 (21:41 +0100)]
Print informative error when we hit the max number of files open

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
13 years agoAdd 'opendir' option
Jens Axboe [Tue, 13 Mar 2007 14:28:55 +0000 (15:28 +0100)]
Add 'opendir' option

This option adds all files from a directory and downward in the
filesystem hierarchy.

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
13 years agoCheck for open files on io operations
Jens Axboe [Tue, 13 Mar 2007 13:50:28 +0000 (14:50 +0100)]
Check for open files on io operations

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
13 years agoAdd 'fsync_on_close' option
Jens Axboe [Tue, 13 Mar 2007 13:42:15 +0000 (14:42 +0100)]
Add 'fsync_on_close' option

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
13 years agoObscure file randommap fix
Jens Axboe [Tue, 13 Mar 2007 13:16:08 +0000 (14:16 +0100)]
Obscure file randommap fix

If file size < block and no size is given, we could be generating
a random offset within -1 and deref ->file_map[] beyond its size.

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
13 years agonr_files conflict with filename
Jens Axboe [Tue, 13 Mar 2007 13:02:16 +0000 (14:02 +0100)]
nr_files conflict with filename

If nr_files is larger than the given number of files, it has
to be lowered. Assume that if the user gives a set of filenames
that this is the number he wants, otherwise he should use not
use a filename setting.

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
13 years agoTotal file size handling fix
Jens Axboe [Tue, 13 Mar 2007 12:30:40 +0000 (13:30 +0100)]
Total file size handling fix

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
13 years agoImprove handling of nr_files != open_files
Jens Axboe [Tue, 13 Mar 2007 12:25:18 +0000 (13:25 +0100)]
Improve handling of nr_files != open_files

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
13 years agoInit stat for all files, not just current range
Jens Axboe [Tue, 13 Mar 2007 11:51:40 +0000 (12:51 +0100)]
Init stat for all files, not just current range

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
13 years agoMake disk_util() account for all files
Jens Axboe [Tue, 13 Mar 2007 11:28:40 +0000 (12:28 +0100)]
Make disk_util() account for all files

Now we can have files all over the place, so we need to loop
over td->files[] to setup disk util stats.

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
13 years agoNormal vs special files fixups
Jens Axboe [Tue, 13 Mar 2007 10:52:47 +0000 (11:52 +0100)]
Normal vs special files fixups

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
13 years agoOne more f->file_name typo
Jens Axboe [Tue, 13 Mar 2007 10:25:07 +0000 (11:25 +0100)]
One more f->file_name typo

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
13 years agotd->filename vs f->filename typo
Jens Axboe [Tue, 13 Mar 2007 10:22:09 +0000 (11:22 +0100)]
td->filename vs f->filename typo

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
13 years agoStrip blank end/front of filenames
Jens Axboe [Tue, 13 Mar 2007 10:18:57 +0000 (11:18 +0100)]
Strip blank end/front of filenames

We do this for other options.

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
13 years agoIf we use jobname as file, only append job/file numer for nrfiles > 1
Jens Axboe [Tue, 13 Mar 2007 10:17:07 +0000 (11:17 +0100)]
If we use jobname as file, only append job/file numer for nrfiles > 1

Otherwise we break the abillity to do [/dev/sda] for /dev/sda and
so on.

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
13 years agoDon't stack allocate file name
Jens Axboe [Tue, 13 Mar 2007 10:12:14 +0000 (11:12 +0100)]
Don't stack allocate file name

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
13 years agoAdd file reference counting
Jens Axboe [Tue, 13 Mar 2007 10:06:45 +0000 (11:06 +0100)]
Add file reference counting

We must not close a file, while io is in progress to it. That
will make the queuing engines barf.

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
13 years agoTurn file ->open and ->unlink into flags
Jens Axboe [Tue, 13 Mar 2007 09:16:34 +0000 (10:16 +0100)]
Turn file ->open and ->unlink into flags

We'll need more flags in the next commits, so do this as a
preparatory patch.

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
13 years agoAllow explicit setting of a number of files
Jens Axboe [Tue, 13 Mar 2007 09:07:47 +0000 (10:07 +0100)]
Allow explicit setting of a number of files

We currently only allow filename=foo for one file, add the possibility
to specify any number of files by seperating with a colon.

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
13 years agoAn option need not include ->posval[] entries
Jens Axboe [Tue, 13 Mar 2007 07:54:06 +0000 (08:54 +0100)]
An option need not include ->posval[] entries

So only fail if we actually looked over some entries.

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
13 years ago[PATCH] disk_util: Allow an engine to turn off disk_util specifically
Jens Axboe [Tue, 13 Mar 2007 07:15:18 +0000 (08:15 +0100)]
[PATCH] disk_util: Allow an engine to turn off disk_util specifically

Originally from Joel Becker <Joel.Becker@oracle.com>

An engine may support disks, but be unable to work with disk_util (as
there is no fd).  Add a flag to turn off disk_util from the engine.

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
13 years agoinit.c: Fix non-regular-file booboo
Joel Becker [Tue, 13 Mar 2007 07:10:14 +0000 (08:10 +0100)]
init.c: Fix non-regular-file booboo

If a filename is given, and that filename is a device file, fio will
ignore the filename, using the job name.  Then it tries to open the job
name instead of the filename.  Whoops.

Signed-off-by: Joel Becker <joel.becker@oracle.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
13 years agoGroup reporting fixes
Jens Axboe [Mon, 12 Mar 2007 14:24:43 +0000 (15:24 +0100)]
Group reporting fixes

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
13 years agoImprove job grouping
Jens Axboe [Mon, 12 Mar 2007 14:09:24 +0000 (15:09 +0100)]
Improve job grouping

Group jobs as follows:

- Jobs before or after a stonewall have different groupids
- Jobs grouped with numjobs have a private groupid

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
13 years agoMerge branch 'master' of ssh://git.kernel.dk/data/git/fio
Jens Axboe [Mon, 12 Mar 2007 13:20:58 +0000 (14:20 +0100)]
Merge branch 'master' of ssh://git.kernel.dk/data/git/fio

13 years agoShow IOPS as well as bw numbers
Jens Axboe [Mon, 12 Mar 2007 13:19:47 +0000 (14:19 +0100)]
Show IOPS as well as bw numbers

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
13 years agopointer -> int conversion warning
Jens Axboe [Mon, 12 Mar 2007 12:22:05 +0000 (13:22 +0100)]
pointer -> int conversion warning

It doesn't matter, but silence the warning.

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
13 years agoOne more missed s/td->filename/fn_given
Jens Axboe [Mon, 12 Mar 2007 11:42:21 +0000 (12:42 +0100)]
One more missed s/td->filename/fn_given

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
13 years agoFile name generation fix
Jens Axboe [Mon, 12 Mar 2007 11:40:26 +0000 (12:40 +0100)]
File name generation fix

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
13 years agoAdd nr parameter to file_service_type
Jens Axboe [Mon, 12 Mar 2007 10:44:28 +0000 (11:44 +0100)]
Add nr parameter to file_service_type

Right now we switch for every IO, add a postfix that allows to switch
for every 'x' number of ios.

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
13 years agoNote process vs thread in output
Jens Axboe [Mon, 12 Mar 2007 10:29:30 +0000 (11:29 +0100)]
Note process vs thread in output

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
13 years agoOOM fixes
Jens Axboe [Mon, 12 Mar 2007 10:21:48 +0000 (11:21 +0100)]
OOM fixes

Hit this with many threads running.

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
13 years agoQuit on thread creation failure
Jens Axboe [Mon, 12 Mar 2007 10:03:04 +0000 (11:03 +0100)]
Quit on thread creation failure

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
13 years agoIf filename not given, use jobname
Jens Axboe [Mon, 12 Mar 2007 10:01:25 +0000 (11:01 +0100)]
If filename not given, use jobname

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
13 years agoReturn EIO for verification failure
Jens Axboe [Mon, 12 Mar 2007 09:05:08 +0000 (10:05 +0100)]
Return EIO for verification failure

We passed back 1, where we need some sort of symbolic error.

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
13 years agosyslet engine: residual fix
Jens Axboe [Mon, 12 Mar 2007 08:43:05 +0000 (09:43 +0100)]
syslet engine: residual fix

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
13 years agoIf residual count == full count, fail the io
Jens Axboe [Mon, 12 Mar 2007 08:37:46 +0000 (09:37 +0100)]
If residual count == full count, fail the io

We always do blocking io, so regard nothing read/written as an error
condition.

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
13 years agoOverwrite fix
Jens Axboe [Mon, 12 Mar 2007 08:32:47 +0000 (09:32 +0100)]
Overwrite fix

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
13 years agoFile truncation and extend fixes
Jens Axboe [Mon, 12 Mar 2007 08:25:55 +0000 (09:25 +0100)]
File truncation and extend fixes

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
13 years agoClear ->rate_bytes on do_io() loop
Jens Axboe [Mon, 12 Mar 2007 07:02:10 +0000 (08:02 +0100)]
Clear ->rate_bytes on do_io() loop

We don't do rates across loops, so remember to clear ->rate_bytes
when we start a new loop.

Problem report from "Ananiev, Leonid I" <leonid.i.ananiev@intel.com>

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
13 years agoTurn the CPU burner into a real io engine
Jens Axboe [Fri, 9 Mar 2007 13:34:23 +0000 (14:34 +0100)]
Turn the CPU burner into a real io engine

This removes the special casing in fio.c for the cpu engine, and
also gets rid of FIO_CPUIO.

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
13 years agonull engine: fix queue bug with repeated commit() calls before event retrieval
Jens Axboe [Fri, 9 Mar 2007 12:45:11 +0000 (13:45 +0100)]
null engine: fix queue bug with repeated commit() calls before event retrieval

Don't return anything if min_events == 0. This exposed a bug in
the commit handler, it needs to add to ->events, not set it.

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
13 years agonull engine: update to support queuing
Jens Axboe [Fri, 9 Mar 2007 12:23:14 +0000 (13:23 +0100)]
null engine: update to support queuing

Useful for queue testing.

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
13 years agoDocument 'openfiles' option
Jens Axboe [Fri, 9 Mar 2007 12:03:00 +0000 (13:03 +0100)]
Document 'openfiles' option

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
13 years agoFix ->file_map leak
Jens Axboe [Fri, 9 Mar 2007 11:52:15 +0000 (12:52 +0100)]
Fix ->file_map leak

Just to appease valgrind.

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
13 years agoRemove ->mutex after last use, not on job exit
Jens Axboe [Fri, 9 Mar 2007 11:42:35 +0000 (12:42 +0100)]
Remove ->mutex after last use, not on job exit

Frees up that file descriptor.

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
13 years agoShrink the semaphores a little
Jens Axboe [Fri, 9 Mar 2007 11:40:02 +0000 (12:40 +0100)]
Shrink the semaphores a little

The downside is that they hold the fd open, so it steals one
possible file open per-file. Will fix that in the next commit.

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
13 years agoMake sure each job loads a private io engine
Jens Axboe [Fri, 9 Mar 2007 08:00:06 +0000 (09:00 +0100)]
Make sure each job loads a private io engine

Threads got it shared, breaks for obvious reasons. Also gets rid
of the free hack in ioengine unload.

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
13 years agomutex error handling
Jens Axboe [Thu, 8 Mar 2007 19:29:11 +0000 (20:29 +0100)]
mutex error handling

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
13 years agoAdd mutex object file to other Makefile's
Jens Axboe [Thu, 8 Mar 2007 19:27:21 +0000 (20:27 +0100)]
Add mutex object file to other Makefile's

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>