| 435228488ffd062f4eac710aaa862e04cd20dfee |
|
01-May-2014 |
Daniel Gollub <daniel.gollub@gmail.com> |
Avoid buildenv conditional in thread_option struct
Managed to run into issues with an external ioengine
which got build with CONFIG_LIBNUMA not defined. Fio
itself got build with CONFIG_LIBNUMA this resulted
in different struct members offsets in the two different
ELF objects. Causing crashes due to invalidate offsets
inside the thread_data structure (e.g. td->io_ops->data).
Ideally all structs which might be used by external
ioengines should be independent of buildenv conditionals
like CONFIG_LIBNUMA or others.
Removed the CONFIG_LIBNUMA in thread_options.h and replaced
the libnuma specific "struct bitmask" members with strings
which hold the option's input value. This should also make
the marshaling/demarshaling in cconv.c easier.
(Note: the NUMA bits are not handled in cconv.c at the
moment. And not part of the thread_options_packed struct)
Signed-off-by: Daniel Gollub <daniel.gollub@gmail.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
/external/fio/thread_options.h
|
| 77731b29c35286a43ca6109ebf13389169ec20e9 |
|
28-Apr-2014 |
Jens Axboe <axboe@fb.com> |
Add option for io_limit
'size' denotes both the size of the region for IO, as well as the
amount of IO to transfer. Sometimes it's useful to be able to set
them separately instead. With this patch, you can do:
size=100G
io_limit=10G
and have fio do 10G of IO between 0..100G of the address space.
Signed-off-by: Jens Axboe <axboe@fb.com>
/external/fio/thread_options.h
|
| bedc9dc24223bb33be4120f4a57718bc54888ca5 |
|
17-Mar-2014 |
Jens Axboe <axboe@fb.com> |
Add support for file appends
Add option file_append (bool). If set, fio will append to a file
instead of operate within the size of it. This is similar to
setting offset= to the size of each file.
Signed-off-by: Jens Axboe <axboe@fb.com>
/external/fio/thread_options.h
|
| c46fda904f38a66f5f68a4b766438c09ef8cddcc |
|
11-Mar-2014 |
Sébastien Bouchex Bellomié <sbouchex@infovista.com> |
Fix pointer alignment bug causing SIGBUS on Sparc64
OK, the issue was related to the alignment issue between the
thread_options structure and its "packed" version : The lexxx_to_cpu
macros are incorrectly casting the pointers and that causes an bus
error. I have fixed the issue by avoid casting the pointers and calling
directly the "swap" method.
I have also included a fixed on the thread_options structure regarding
the ddir_seq_add variable : Its length was incorrect.
Signed-off-by: Jens Axboe <axboe@fb.com>
/external/fio/thread_options.h
|
| c2acfbac7e9eb8ac5407ac024c0fd000614c77e2 |
|
28-Feb-2014 |
Jens Axboe <axboe@fb.com> |
Add support for cpus_allowed_policy
Two policies are supported:
shared cpumask is shared between all threads. This is the original
behavior.
split cpumask is split between threads, each thread gets a unique
CPU.
Signed-off-by: Jens Axboe <axboe@fb.com>
/external/fio/thread_options.h
|
| cb1402d674fb7694d1b09d7ef4aeb3d4506f23f0 |
|
25-Feb-2014 |
Jens Axboe <axboe@fb.com> |
Ensure that fio_get_kb_base() doesn't assume 'data' is thread_options
Nasty hack, but at least we don't corrupt option data.
Signed-off-by: Jens Axboe <axboe@fb.com>
/external/fio/thread_options.h
|
| 23ed19b0e10749dca2389511f78d89db886c064a |
|
20-Feb-2014 |
Christian Ehrhardt <ehrhardt@linux.vnet.ibm.com> |
fio: provide an option for a startdelay range
This patch allows the specification of start delay as range. With a
range each thread will chose an individual startdelay out of the range.
That solves an issue of startdelay being the same for each numjob clone
and that way spreads all kind of activities e.g. that all clones with
mixed r/w jobs switch r/w at the same time. Also all kind of other
"thundering herd" issues can be softened by some time spread due to this
option.
Signed-off-by: Christian Ehrhardt <ehrhardt@linux.vnet.ibm.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
/external/fio/thread_options.h
|
| 56e2a5fc76067c91738f7eb0efbd6ec6d349e0f2 |
|
20-Feb-2014 |
Christian Ehrhardt <ehrhardt@linux.vnet.ibm.com> |
fio: allow general repeatability
This patch adds a "allrandrepeat" option similar to the existing
randrepeat. But other than the former option it does not only affect
the random I/O pattern, but also all remaining users of randomness as
well.
By that e.g. testcases using nrfiles, filesize ranges, blocksizesplit
ranges and so on will stay repeatable across (euqally parametrized) runs
as well. To maintain compatibility the default is off.
Signed-off-by: Christian Ehrhardt <ehrhardt@linux.vnet.ibm.com>
Update by me to fix missing thread_options.h and cconv.c change.
Signed-off-by: Jens Axboe <axboe@fb.com>
/external/fio/thread_options.h
|
| 363cffa71a96eb4c7595bb8c325a09eb01f766a5 |
|
28-Jan-2014 |
Grant Grundler <grundler@chromium.org> |
fio: consolidate rand_seed to uint64_t
csscope showed rand_seed was defined 4 times - each a different type.
While they are used differently, the places where they overlap
should reference the same type. This patch makes three of them the same
as suggested by Jens Axboe.
Signed-off-by: Grant Grundler <grundler@chromium.org>
Updated by me to change rand_seed option to unsigned long long
and changes related to that.
Signed-off-by: Jens Axboe <axboe@kernel.dk>
/external/fio/thread_options.h
|
| 621677626f2551bedfdc4a5fc3b3e5f8492b94fa |
|
17-Sep-2013 |
Juan Casse <jcasse@chromium.org> |
Adds verify_only option
When this option is set, a dry run (no actual io is performed) of the
workload will be done in order to compute the numberio for each block
header without overwriting the data on disk. Then, do_verify() will be
effectively verifying data that was written in a previous fio run.
In the case that "loops" is set to more than 1, do_verify() will delay
the verification of numberio to the last iteration when the same
numberio state that would have been written to disk in a previous
fio run has been reached.
Signed-off-by: Juan Casse <jcasse@chromium.org>
Reviewed-by: Grant Grundler <grundler@chromium.org>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
/external/fio/thread_options.h
|
| ce35b1ece06ce27ebff111e47c2a6610c311a92b |
|
14-Jan-2014 |
Jens Axboe <axboe@kernel.dk> |
Add option for specifically setting buffer contents
Fio can use zeroes, slightly scrambled data, full random data,
or specifically compressible data. With this option, the user
can now fully control the pattern written, similarly to how
verify_pattern works for verify=meta.
Signed-off-by: Jens Axboe <axboe@kernel.dk>
/external/fio/thread_options.h
|
| 04778baf2def8c1c5a3d7d60233c56d140831711 |
|
11-Jan-2014 |
Jens Axboe <axboe@kernel.dk> |
Add option to manually seed the random generators
Signed-off-by: Jens Axboe <axboe@kernel.dk>
/external/fio/thread_options.h
|
| 3e260a46ea9a8de224c3d0a29a608da3440f284a |
|
09-Dec-2013 |
Jens Axboe <axboe@kernel.dk> |
Add options to have fio latency profile a device
This adds three new options:
- latency_target. This defines a specific latency target, in usec.
- latency_window. This defines the period over which fio samples.
- latency_percentile. This defines the percentage of IOs that must
meet the criteria specified by latency_target/latency_window.
With these options set, fio will run the described workload and
vary the queue depth between 1 and iodepth= to find the best
performing spot that meets the criteria specified by the three
options.
A sample job file is also added to demonstrate how to use this.
Signed-off-by: Jens Axboe <axboe@kernel.dk>
/external/fio/thread_options.h
|
| d01612f3ae2515eb035d0c4ce954d8cb167a0a61 |
|
15-Nov-2013 |
Chris Mason <chris.mason@fusionio.com> |
Add support for O_ATOMIC
O_ATOMIC makes writes atomic, meaning that they are fully stable
on media (in the event of a power cut) when acknowledged by the
device and OS.
This only truly works on Linux with the pending patches to
add O_ATOMIC.
Updated by Jens to:
- Add man page and HOWTO description of the option
- Make O_ATOMIC imply O_DIRECT, so that it actually works if you
don't set O_DIRECT manually.
- Add the option to the conversion list so it works for
client/server.
- Error handling so that if atomic=1 is set and the OS does not
support it, error out instead of just pretending it works.
Signed-off-by: Jens Axboe <axboe@kernel.dk>
/external/fio/thread_options.h
|
| 5054e67c7d87f25a9eb7b647adaee5e1c9c7cc5b |
|
08-Nov-2013 |
Jens Axboe <axboe@kernel.dk> |
Fix access-outside-array of o->rwmix[]
gcc 4.9 rightfully complains about it, though in a very obtuse way:
CC cconv.o
In file included from thread_options.h:5:0,
from cconv.c:3:
cconv.c: In function 'convert_thread_options_to_cpu':
os/os.h:197:16: warning: iteration 2u invokes undefined behavior
[-Waggressive-loop-optimizations]
__le32_to_cpu(*__val); \
^
os/os.h:176:28: note: in definition of macro '__le32_to_cpu'
#define __le32_to_cpu(x) (x)
^
cconv.c:78:17: note: in expansion of macro 'le32_to_cpu'
o->rwmix[i] = le32_to_cpu(top->rwmix[i]);
^
cconv.c:63:2: note: containing loop
for (i = 0; i < DDIR_RWDIR_CNT; i++) {
^
In file included from thread_options.h:5:0,
from cconv.c:3:
cconv.c: In function 'convert_thread_options_to_net':
os/os.h:209:16: warning: iteration 2u invokes undefined behavior
[-Waggressive-loop-optimizations]
__cpu_to_le32(*__val); \
^
os/os.h:179:28: note: in definition of macro '__cpu_to_le32'
#define __cpu_to_le32(x) (x)
^
cconv.c:372:19: note: in expansion of macro 'cpu_to_le32'
top->rwmix[i] = cpu_to_le32(o->rwmix[i]);
^
cconv.c:352:2: note: containing loop
for (i = 0; i < DDIR_RWDIR_CNT; i++) {
^
In file included from thread_options.h:5:0,
from cconv.c:3:
cconv.c: In function 'fio_test_cconv':
os/os.h:209:16: warning: iteration 2u invokes undefined behavior
[-Waggressive-loop-optimizations]
__cpu_to_le32(*__val); \
^
os/os.h:179:28: note: in definition of macro '__cpu_to_le32'
#define __cpu_to_le32(x) (x)
^
cconv.c:372:19: note: in expansion of macro 'cpu_to_le32'
top->rwmix[i] = cpu_to_le32(o->rwmix[i]);
^
cconv.c:352:2: note: containing loop
for (i = 0; i < DDIR_RWDIR_CNT; i++) {
^
In file included from thread_options.h:5:0,
from cconv.c:3:
os/os.h:197:16: warning: iteration 2u invokes undefined behavior
[-Waggressive-loop-optimizations]
__le32_to_cpu(*__val); \
^
os/os.h:176:28: note: in definition of macro '__le32_to_cpu'
#define __le32_to_cpu(x) (x)
^
cconv.c:78:17: note: in expansion of macro 'le32_to_cpu'
o->rwmix[i] = le32_to_cpu(top->rwmix[i]);
^
cconv.c:63:2: note: containing loop
for (i = 0; i < DDIR_RWDIR_CNT; i++) {
^
Fix it by extending the rwmix indexes to the full rwdir count,
even though it doesn't support trim as part of the mix (yet).
Reported-by: Bruce Cran <bruce@cran.org.uk>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
/external/fio/thread_options.h
|
| ddf24e42b5f801e6a66f8976c97edcb88080ecdf |
|
09-Aug-2013 |
Jens Axboe <axboe@kernel.dk> |
Add number_ios= option
Signed-off-by: Jens Axboe <axboe@kernel.dk>
/external/fio/thread_options.h
|
| 6aca9b3d1042bef94958ebee0656755a91695f4b |
|
25-Jul-2013 |
Jens Axboe <axboe@kernel.dk> |
Add support for bs_is_seq_rand
This option will switch the meaning of the read,write part of any
blocksize setting to mean sequential,random instead.
Signed-off-by: Jens Axboe <axboe@kernel.dk>
/external/fio/thread_options.h
|
| d94722713ebd7bbdbf8b284b7563f2dd17964e24 |
|
25-Jul-2013 |
Jens Axboe <axboe@kernel.dk> |
Add support for randomness of any IO direction
sequential_random used to be applied to all of the IO
directions, with no possibility of having different settings
for reads, writes, and trims. Now it supports setting each of
them individually.
By default, if you do:
sequential_random=50
it will still apply to all three. If you do:
sequential_random=10,90,80
you would get reads 10% random, writes 90% random, and trims
80% random.
Signed-off-by: Jens Axboe <axboe@kernel.dk>
/external/fio/thread_options.h
|
| 5971116e9e3714d830dcb4bebf7b10e3803cbefd |
|
26-Apr-2013 |
Jens Axboe <axboe@kernel.dk> |
Get rid of td->o.perc_seq
No point in tracking both perc_seq and perc_rand, when we know
that perc_seq + perc_rand == 100.
Signed-off-by: Jens Axboe <axboe@kernel.dk>
/external/fio/thread_options.h
|
| 211c9b8948b43ed47aedf1227e0444a58db015e4 |
|
26-Apr-2013 |
Jens Axboe <axboe@kernel.dk> |
Add support for modifying the randomness of a workload
Fio supports random or sequential IO, or random IO with a number of
sequential IOs in between. The percentage_random options allows
more fine grained control over this. It defaults to 100, which would
make any random workload still purely random. If set below 100,
there will be some percentage of sequential IOs. This happens randomly,
but at the specified percentages.
The percentage_sequential option is just the complement of that, it
is guaranteed that:
percentage_sequential + percentage_random == 100%
The later setting has priority, each will adjust the other.
Signed-off-by: Jens Axboe <axboe@kernel.dk>
/external/fio/thread_options.h
|
| 3c978125e2bc883a9e69f0bae0122f936f995f17 |
|
17-Apr-2013 |
Jens Axboe <axboe@kernel.dk> |
Split out td error handling code
Signed-off-by: Jens Axboe <axboe@kernel.dk>
/external/fio/thread_options.h
|
| 8f91cc3f7835cdca84944d456e1da77d44a7c354 |
|
11-Apr-2013 |
Jens Axboe <axboe@kernel.dk> |
Merge branch 'gfio' into gfio-int
Conflicts:
backend.c
fio.c
fio.h
init.c
libfio.c
options.c
thread_options.h
Signed-off-by: Jens Axboe <axboe@kernel.dk>
|
| 888677a428eb6ae6b54195e99734d6d6b3ee55e7 |
|
10-Apr-2013 |
Jens Axboe <axboe@kernel.dk> |
Merge in zipf differences from gfio
Signed-off-by: Jens Axboe <axboe@kernel.dk>
/external/fio/thread_options.h
|
| b7f487cf80a8299a656df9c2214ff73e72956d71 |
|
10-Apr-2013 |
Jens Axboe <axboe@kernel.dk> |
Merge branch 'master' into gfio
Conflicts:
engines/libaio.c
engines/net.c
iolog.h
options.c
options.h
parse.c
parse.h
thread_options.h
Signed-off-by: Jens Axboe <axboe@kernel.dk>
|
| 81c6b6cdd2f696528c423ff940a06efae8def583 |
|
10-Apr-2013 |
Jens Axboe <axboe@kernel.dk> |
Unify options with gfio
Add the parser features and unify the option table.
Signed-off-by: Jens Axboe <axboe@kernel.dk>
/external/fio/thread_options.h
|
| 8062f52754eb548cfd1de892a983fd5f0e63b347 |
|
10-Apr-2013 |
Jens Axboe <axboe@kernel.dk> |
Add thread_options.h
The options are always problematic to merge between the master
repo and gfio. So import this bit from gfio.
Signed-off-by: Jens Axboe <axboe@kernel.dk>
/external/fio/thread_options.h
|
| 22f80458a520d0c5371c64bf91d24cdd21dff825 |
|
09-Apr-2013 |
Jens Axboe <axboe@kernel.dk> |
Merge branch 'master' into gfio
Conflicts:
eta.c
fio.h
init.c
options.c
stat.c
Signed-off-by: Jens Axboe <axboe@kernel.dk>
|
| d7213923067aa49922962a469a691c3ec951064d |
|
21-Mar-2013 |
Jens Axboe <axboe@kernel.dk> |
Merge branch 'master' into gfio
Conflicts:
Makefile
fio.h
options.c
Signed-off-by: Jens Axboe <axboe@kernel.dk>
|
| 9db01ef976006c002b05fa4e4ec589eb029aac5b |
|
07-Feb-2013 |
Jens Axboe <axboe@kernel.dk> |
Merge branch 'master' into gfio
Conflicts:
Makefile
configure
fio.h
Signed-off-by: Jens Axboe <axboe@kernel.dk>
|
| 90b7a96d9573a14f20470af2aa0dd4e60611a477 |
|
04-Feb-2013 |
Jens Axboe <axboe@kernel.dk> |
Merge branch 'master' into gfio
Conflicts:
Makefile
fio.h
parse.c
Signed-off-by: Jens Axboe <axboe@kernel.dk>
|
| 95820b6e6c92025df8d89c0bf39b174e53137c41 |
|
31-Jan-2013 |
Jens Axboe <axboe@kernel.dk> |
Merge branch 'master' into gfio
Conflicts:
Makefile
client.c
configure
fio.c
fio.h
server.c
server.h
Signed-off-by: Jens Axboe <axboe@kernel.dk>
|
| 836fcc0fceb233ebcc41ee63b4ea5cae20b678a4 |
|
24-Jan-2013 |
Jens Axboe <axboe@kernel.dk> |
Merge branch 'master' into gfio
Conflicts:
Makefile
backend.c
client.c
fio.c
fio.h
ioengine.h
options.c
os/os-linux.h
server.c
Signed-off-by: Jens Axboe <axboe@kernel.dk>
|
| 49758e11f3658686ccd1c61724a5eba142f3ee4f |
|
03-Dec-2012 |
Jens Axboe <axboe@kernel.dk> |
Merge branch 'master' into gfio
Conflicts:
Makefile
fio.h
io_u.c
ioengine.h
memory.c
Signed-off-by: Jens Axboe <axboe@kernel.dk>
|
| 1e5324e723116a5faf9da686993cc79c14d62d4b |
|
14-Nov-2012 |
Jens Axboe <axboe@kernel.dk> |
Merge branch 'master' into gfio
Conflicts:
Makefile
backend.c
client.c
fio.h
options.c
parse.c
parse.h
server.c
server.h
Signed-off-by: Jens Axboe <axboe@kernel.dk>
|
| b999b3c74daa2dedd398544e898b54d8b221314c |
|
24-Sep-2012 |
Jens Axboe <axboe@kernel.dk> |
server: include new options, bump server rev
Todo: convert the new error additions across the wire.
Signed-off-by: Jens Axboe <axboe@kernel.dk>
/external/fio/thread_options.h
|
| e65a950ab73d7d91f267ad7f7b084d94e266fcb0 |
|
24-Sep-2012 |
Jens Axboe <axboe@kernel.dk> |
Merge branch 'master' into gfio
Conflicts:
backend.c
fio.h
io_u.c
Signed-off-by: Jens Axboe <axboe@kernel.dk>
|
| d79db1222039e906dd49ae290daa59701f4e2385 |
|
24-Sep-2012 |
Jens Axboe <axboe@kernel.dk> |
Merge branch 'master' into gfio
Conflicts:
Makefile
backend.c
client.c
fio.h
init.c
io_ddir.h
options.c
server.h
stat.c
stat.h
Signed-off-by: Jens Axboe <axboe@kernel.dk>
|
| fb390e242cac8868e01cdc2046c63e04e3d53d70 |
|
07-May-2012 |
Jens Axboe <axboe@kernel.dk> |
Merge branch 'master' into gfio
Conflicts:
Makefile
backend.c
client.c
fio.h
os/windows/install.wxs
server.c
server.h
Signed-off-by: Jens Axboe <axboe@kernel.dk>
|
| 203160d52b866497caef35335a7032fb9702a4af |
|
29-Mar-2012 |
Jens Axboe <axboe@kernel.dk> |
options: get rid of more .cb option usage we don't need
- The lat/bw/iops log does not need two ways of storing whether
they are enabled or not. Just change the option to a string
storing variant, and use the existance of a filename to see
if it's set or not.
- The trim_percentage option need not have a callback, the
parser knows the limits and can store it appropriately.
- The verify_offset option can express it's minimum value
directly, it doesn't need a callback to set it on its own.
Signed-off-by: Jens Axboe <axboe@kernel.dk>
/external/fio/thread_options.h
|
| 28727df79348d4ebbd8fd4b0dd89bbca035f68d0 |
|
29-Mar-2012 |
Jens Axboe <axboe@kernel.dk> |
options: move ioprio/ioprio_class into thread_options space
Signed-off-by: Jens Axboe <axboe@kernel.dk>
/external/fio/thread_options.h
|
| ae278f9a37b942132595b339389160a250a966a8 |
|
28-Mar-2012 |
Jens Axboe <axboe@kernel.dk> |
Add o->lockmem to conversion functions
Signed-off-by: Jens Axboe <axboe@kernel.dk>
/external/fio/thread_options.h
|
| 1b79a070d9307ad57cea5922292241bd3851a039 |
|
28-Mar-2012 |
Jens Axboe <axboe@kernel.dk> |
Make lockmem a per job option
We need to get rid of per job options that fiddle with global
state. It's confusing, and it breaks remote option handling.
Signed-off-by: Jens Axboe <axboe@kernel.dk>
/external/fio/thread_options.h
|
| 83ea422a62b8a42b14c362db61c2e7bf53862e80 |
|
28-Mar-2012 |
Jens Axboe <axboe@kernel.dk> |
Start the process of making options more gfio friendly
We either need to eliminate the option callbacks, or ensure that
they don't have side effects outside of touching td->o. We will
need to use &td->o as the data passed in for the callbacks, not
the full td.
Signed-off-by: Jens Axboe <axboe@kernel.dk>
/external/fio/thread_options.h
|
| 0353050fe32065e1932a43a7c39a7c390ea71142 |
|
19-Mar-2012 |
Jens Axboe <axboe@kernel.dk> |
cpu: move cpuload/cpuchunks options into private engine option space
Signed-off-by: Jens Axboe <axboe@kernel.dk>
/external/fio/thread_options.h
|
| 588b7f09161ff432777de4cf9c3345b6f976ad98 |
|
19-Mar-2012 |
Jens Axboe <axboe@kernel.dk> |
gfio: fill default options on new job
Signed-off-by: Jens Axboe <axboe@kernel.dk>
/external/fio/thread_options.h
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| 6a4cf74fc2521b601cb1cc9478526cc441830a5c |
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16-Mar-2012 |
Jens Axboe <axboe@kernel.dk> |
Merge branch 'master' into gfio
Conflicts:
fio.h
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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| e476994eed3bee246ca166ea6ad6018911408e9b |
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13-Mar-2012 |
Jens Axboe <axboe@kernel.dk> |
Merge branch 'master' into gfio
Conflicts:
client.c
fio.h
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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| 51167799022df58d45a99bbd7aa9cf81a47c46c9 |
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08-Mar-2012 |
Jens Axboe <axboe@kernel.dk> |
Add basic cconv test
Signed-off-by: Jens Axboe <axboe@kernel.dk>
/external/fio/thread_options.h
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| 2dc1cbb52f73303d479a72e99930a2838c4b0fa4 |
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08-Mar-2012 |
Jens Axboe <axboe@kernel.dk> |
Add thread_options_pack structure
First step towards having an on-disk and on-wire independent
options structure, with the goal being that we parse options
locally (hence allowing them to be edited sanely) and send them
to the server in one nice package.
Additionally, this is a step towards being able to have a new
fio/gfio "project" file format, which includes all the info a
given client needs. This includes job options, where to connect,
etc.
Signed-off-by: Jens Axboe <axboe@kernel.dk>
/external/fio/thread_options.h
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| ec41265e81c70d8573d1359e27876c37c30c7d9d |
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08-Mar-2012 |
Jens Axboe <axboe@kernel.dk> |
Abstract out the thread_options structure
We need to prepare to have an on-disk/net version of the same.
Signed-off-by: Jens Axboe <axboe@kernel.dk>
/external/fio/thread_options.h
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