fio.git
6 years agoFio 2.0.13 fio-2.0.13
Jens Axboe [Wed, 9 Jan 2013 10:01:55 +0000 (11:01 +0100)]
Fio 2.0.13

Signed-off-by: Jens Axboe <axboe@kernel.dk>
6 years agoFix potential null pointer dereference on verify and requeue events
Jens Axboe [Tue, 8 Jan 2013 20:02:14 +0000 (21:02 +0100)]
Fix potential null pointer dereference on verify and requeue events

We clear io_u to NULL, but later we derefence io_u to check
the data direction. Do as we do in the main IO loop - store
the data direction in a local variable, and use that after
the main switch.

Signed-off-by: Jens Axboe <axboe@kernel.dk>
6 years agoserver: move fio_net_cmd to the end of fio_net_int_cmd
Jens Axboe [Tue, 8 Jan 2013 12:43:14 +0000 (13:43 +0100)]
server: move fio_net_cmd to the end of fio_net_int_cmd

fio_net_cmd is variably sized. We don't use any transfer space
for the internal command, but the compiler might complain about
this (since it has no way to know this fact). Move fio_net_cmd
to the end of the internal command to both avoid a warning on
clang and to make this more idiot proof.

Signed-off-by: Jens Axboe <axboe@kernel.dk>
6 years agoUse variable[] instead of GCC variable[0] syntax
Jens Axboe [Tue, 8 Jan 2013 12:42:41 +0000 (13:42 +0100)]
Use variable[] instead of GCC variable[0] syntax

Signed-off-by: Jens Axboe <axboe@kernel.dk>
6 years agoEnable -ffast-math
Jens Axboe [Tue, 8 Jan 2013 12:41:35 +0000 (13:41 +0100)]
Enable -ffast-math

Signed-off-by: Jens Axboe <axboe@kernel.dk>
6 years agotime: convert to uint64_t
Jens Axboe [Fri, 4 Jan 2013 12:24:52 +0000 (13:24 +0100)]
time: convert to uint64_t

Signed-off-by: Jens Axboe <axboe@kernel.dk>
6 years agoUse uintptr_t for engine data
Jens Axboe [Fri, 4 Jan 2013 12:21:23 +0000 (13:21 +0100)]
Use uintptr_t for engine data

Gets rid of a warning on 32-bit builds on Linux.

Signed-off-by: Jens Axboe <axboe@kernel.dk>
6 years agoStart of transition from unsigned long long to uint64_t
Jens Axboe [Fri, 4 Jan 2013 12:16:54 +0000 (13:16 +0100)]
Start of transition from unsigned long long to uint64_t

Signed-off-by: Jens Axboe <axboe@kernel.dk>
6 years agozipf/pareto: use min of file size and io size for init
Jens Axboe [Fri, 4 Jan 2013 12:09:29 +0000 (13:09 +0100)]
zipf/pareto: use min of file size and io size for init

It is valid to use size=foo, where foo is larger than the size
of the file or device. For that case, we don't want offsets
larger than the size of the file. So use the minimum of the
real or given size.

Signed-off-by: Jens Axboe <axboe@kernel.dk>
6 years agoMerge branch 'master' of ssh://brick.kernel.dk/data/git/fio
Jens Axboe [Fri, 4 Jan 2013 07:27:06 +0000 (08:27 +0100)]
Merge branch 'master' of ssh://brick.kernel.dk/data/git/fio

6 years agozipf/pareto: use size= if given, not always device size
Jens Axboe [Fri, 4 Jan 2013 07:26:10 +0000 (08:26 +0100)]
zipf/pareto: use size= if given, not always device size

We used the full device/file size for the zipf or pareto init,
this breaks if size= is specifically given. This causes fio
to generate offsets outside the specified size= range, and fio
will then just exit.

Signed-off-by: Jens Axboe <axboe@kernel.dk>
6 years agolibaio: use container_of() instead of silly casting
Jens Axboe [Wed, 2 Jan 2013 11:55:41 +0000 (12:55 +0100)]
libaio: use container_of() instead of silly casting

Signed-off-by: Jens Axboe <axboe@kernel.dk>
Conflicts:
engines/libaio.c

Signed-off-by: Jens Axboe <axboe@kernel.dk>
6 years agogettime: even rounding, don't always round up
Jens Axboe [Tue, 1 Jan 2013 12:38:18 +0000 (13:38 +0100)]
gettime: even rounding, don't always round up

Signed-off-by: Jens Axboe <axboe@kernel.dk>
6 years agoMove 'tsc_reliable' outside of ARCH_HAVE_CPU_CLOCK
Jens Axboe [Tue, 1 Jan 2013 09:59:04 +0000 (10:59 +0100)]
Move 'tsc_reliable' outside of ARCH_HAVE_CPU_CLOCK

Otherwise we fail building on architectures that do not define
it, as reported by Dan:

cc -o gettime.o -c -std=gnu99 -Wwrite-strings -Wall -O3 -g -O2 -g -pipe
-Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector
--param=ssp-buffer-size=4 -m31 -march=z9-109 -mtune=z10
-DFIO_VERSION='"fio-2.0.12.2"' -D_GNU_SOURCE -D_LARGEFILE_SOURCE
-D_FILE_OFFSET_BITS=64 -D_FORTIFY_SOURCE=2 -DFIO_INC_DEBUG gettime.c
gettime.c: In function 'fio_clock_init':
gettime.c:317:6: error: 'tsc_reliable' undeclared (first use in this function)
gettime.c:317:6: note: each undeclared identifier is reported only once for each function it appears in
make: *** [gettime.o] Error 1

Reported-by: Dan Horák <dan@danny.cz>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
6 years agoimplement get_cpu_clock() for s390/s390x
Dan Horák [Sun, 30 Dec 2012 22:03:36 +0000 (17:03 -0500)]
implement get_cpu_clock() for s390/s390x

Signed-off-by: Jens Axboe <axboe@kernel.dk>
6 years agoclock: turn expensive division into multiply + cheap division
Jens Axboe [Fri, 21 Dec 2012 21:54:56 +0000 (22:54 +0100)]
clock: turn expensive division into multiply + cheap division

On x86-64, dividing by a variable turns into a hugely expensive
divq. It's much cheaper to invert the division. Instead of
dividing clocks by clocks-per-usec, multiply by a 16M/clocks-per-usec
constant instead.

Signed-off-by: Jens Axboe <axboe@kernel.dk>
6 years agot/axmap: update tester for lfsr_init() taking a seed argument
Jens Axboe [Fri, 21 Dec 2012 20:32:50 +0000 (21:32 +0100)]
t/axmap: update tester for lfsr_init() taking a seed argument

Signed-off-by: Jens Axboe <axboe@kernel.dk>
6 years agoInclude <stdint.h> before checking __WORDSIZE
Jens Axboe [Fri, 21 Dec 2012 20:29:30 +0000 (21:29 +0100)]
Include <stdint.h> before checking __WORDSIZE

Signed-off-by: Jens Axboe <axboe@kernel.dk>
6 years agoFio 2.0.12.2 fio-2.0.12.2
Jens Axboe [Thu, 20 Dec 2012 14:19:57 +0000 (15:19 +0100)]
Fio 2.0.12.2

Signed-off-by: Jens Axboe <axboe@kernel.dk>
6 years agoAdd return statements to arch_init functions for ia64 and ppc.
Bruce Cran [Thu, 20 Dec 2012 13:59:56 +0000 (13:59 +0000)]
Add return statements to arch_init functions for ia64 and ppc.

Signed-off-by: Jens Axboe <axboe@kernel.dk>
6 years agoUse clock_gettime() for CPU clock calibration
Jens Axboe [Thu, 20 Dec 2012 14:17:57 +0000 (15:17 +0100)]
Use clock_gettime() for CPU clock calibration

gettimeofday() has very poor resolution on some platforms. So
use clock_gettime() instead.

Signed-off-by: Jens Axboe <axboe@kernel.dk>
6 years agoConsistently indent using tabs in Windows files and remove trailing spaces.
Bruce Cran [Wed, 19 Dec 2012 09:47:29 +0000 (10:47 +0100)]
Consistently indent using tabs in Windows files and remove trailing spaces.

Signed-off-by: Jens Axboe <axboe@kernel.dk>
6 years agoCreate a new Windows installer product GUID for 2.0.12.
Bruce Cran [Wed, 19 Dec 2012 09:46:57 +0000 (10:46 +0100)]
Create a new Windows installer product GUID for 2.0.12.

Signed-off-by: Jens Axboe <axboe@kernel.dk>
6 years agoFix $(CC) override: use system compiler except on HP-UX and Solaris.
Bruce Cran [Tue, 18 Dec 2012 23:07:47 +0000 (23:07 +0000)]
Fix $(CC) override: use system compiler except on HP-UX and Solaris.

$(CC) was being overridden, preventing the system compiler from
being used. This caused a problem on FreeBSD systems where gcc has
been removed.  Since fio requires gcc on HP-UX and Solaris, always
set $(CC) on those platforms.

Signed-off-by: Jens Axboe <axboe@kernel.dk>
6 years agoFio 2.0.12.1 fio-2.0.12.1
Jens Axboe [Tue, 18 Dec 2012 18:55:12 +0000 (19:55 +0100)]
Fio 2.0.12.1

Fix issue with 32-bit x86 build.

Signed-off-by: Jens Axboe <axboe@kernel.dk>
6 years agoFixup CPUID for 32-bit x86
Jens Axboe [Tue, 18 Dec 2012 18:54:40 +0000 (19:54 +0100)]
Fixup CPUID for 32-bit x86

Signed-off-by: Jens Axboe <axboe@kernel.dk>
6 years agoFio 2.0.12 fio-2.0.12
Jens Axboe [Tue, 18 Dec 2012 18:32:20 +0000 (19:32 +0100)]
Fio 2.0.12

Signed-off-by: Jens Axboe <axboe@kernel.dk>
6 years agowindowsaio: fix typo
Jens Axboe [Tue, 18 Dec 2012 10:53:46 +0000 (11:53 +0100)]
windowsaio: fix typo

Signed-off-by: Jens Axboe <axboe@kernel.dk>
6 years agogettime: make last_cycles thread local too
Jens Axboe [Tue, 18 Dec 2012 08:41:59 +0000 (09:41 +0100)]
gettime: make last_cycles thread local too

Avoids a lot of cache line bouncing for threads.

Signed-off-by: Jens Axboe <axboe@kernel.dk>
6 years agogettime: use pthread_{set,get}specific() for TLS
Jens Axboe [Tue, 18 Dec 2012 08:12:27 +0000 (09:12 +0100)]
gettime: use pthread_{set,get}specific() for TLS

__thread doesn't work on OSX at least (thanks...), so resort to
using the pthread functions to maintaining a per-thread clock
check.

Signed-off-by: Jens Axboe <axboe@kernel.dk>
6 years agogettime: fix race/bug with threads and time keeping
Jens Axboe [Tue, 18 Dec 2012 07:23:44 +0000 (08:23 +0100)]
gettime: fix race/bug with threads and time keeping

Sam writes:

First, the 1 second latency events come in batches and those batches
occur suspiciously close to a usec wrap (0.999999 us -> 1.000000 us).
Second, if you subtract exactly 1 second from these outlier latencies,
the remaining amount is very close to what our instrumented low level
driver records for the IO latency and consistent with the expected
latencies of our SSD.  Similarly, the tv_usec portion of the timeval
structs shows increasing values.  See snippet below.

Format is like    start: <start_time.tv_sec>.<start_time.tv_usec>

latency: 1004657 us, lba: 1111289192, start: 1355776806.995294 issue: 1355776806.995312 complete: 1355776807.999969
latency: 1000494 us, lba: 203093568, start: 1355776806.999456 issue: 1355776806.999475 complete: 1355776807.999969
latency: 1000404 us, lba: 551350992, start: 1355776806.999546 issue: 1355776806.999565 complete: 1355776807.999969
latency: 1000477 us, lba: 449672928, start: 1355776806.999484 issue: 1355776806.999492 complete: 1355776807.999969

All this pointed to the time collection code being buggy.  Reviewing the
code, I spotted this in fio_gettime():

/*
 * If Linux is using the tsc clock on non-synced processors,
 * sometimes time can appear to drift backwards. Fix that up.
 */
if (last_tv_valid) {
if (tp->tv_sec < last_tv.tv_sec)
tp->tv_sec = last_tv.tv_sec;
else if (last_tv.tv_sec == tp->tv_sec &&
 tp->tv_usec < last_tv.tv_usec)
tp->tv_usec = last_tv.tv_usec;
}
last_tv_valid = 1;
memcpy(&last_tv, tp, sizeof(*tp));

This does not appear to be multi-thread safe.  Pre-emption can occur
between either comparison and the subsequent update.  Commenting it out
makes the problem go away (at the expense of being subject to drift).
How about making last_tv & last_tv_valid thread-local?

Reported-by: Sam Bradshaw <sbradshaw@micron.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
6 years agoAdd --cpuclock-test and clocksource= option help
Jens Axboe [Mon, 17 Dec 2012 13:44:08 +0000 (14:44 +0100)]
Add --cpuclock-test and clocksource= option help

Signed-off-by: Jens Axboe <axboe@kernel.dk>
6 years agogettime: include per-cpu clock calibration in cpu clock test
Jens Axboe [Mon, 17 Dec 2012 13:29:28 +0000 (14:29 +0100)]
gettime: include per-cpu clock calibration in cpu clock test

Signed-off-by: Jens Axboe <axboe@kernel.dk>
6 years agogettime: locking fix and debug check for identical sequence
Jens Axboe [Mon, 17 Dec 2012 13:23:47 +0000 (14:23 +0100)]
gettime: locking fix and debug check for identical sequence

Signed-off-by: Jens Axboe <axboe@kernel.dk>
6 years agocpu clock: add independent test for monotonic/sane TSC
Jens Axboe [Mon, 17 Dec 2012 11:03:29 +0000 (12:03 +0100)]
cpu clock: add independent test for monotonic/sane TSC

Fire up all threads on the system, checking the clock 100,000
times on each. Then collect and compare results, to ensure we
never have a clock that goes backwards.

Signed-off-by: Jens Axboe <axboe@kernel.dk>
6 years agoclock: ensure that we re-init if the clocksource changes from the default
Jens Axboe [Fri, 14 Dec 2012 19:37:06 +0000 (20:37 +0100)]
clock: ensure that we re-init if the clocksource changes from the default

Signed-off-by: Jens Axboe <axboe@kernel.dk>
6 years agobinject: fixup ->file_data breakage
Jens Axboe [Wed, 12 Dec 2012 08:07:00 +0000 (09:07 +0100)]
binject: fixup ->file_data breakage

Not sure how that was done, but I missed binject in doing
the ->file_data/->file_pos unification.

Signed-off-by: Jens Axboe <axboe@kernel.dk>
6 years agofile: unify ->file_data and ->file_pos
Jens Axboe [Wed, 12 Dec 2012 07:34:42 +0000 (08:34 +0100)]
file: unify ->file_data and ->file_pos

The only real use case of ->file_pos was by the sync engine to
avoid an lseek() if the offset was already correct. The e4defrag,
falloc, and fusion-aw engine also set ->file_pos, but that looks
like a case of copy-paste, since they don't actually use it.

Signed-off-by: Jens Axboe <axboe@kernel.dk>
6 years agofile hash: don't close file fd on lookup/add race
Jens Axboe [Wed, 12 Dec 2012 07:16:27 +0000 (08:16 +0100)]
file hash: don't close file fd on lookup/add race

On Linux, udev often has a rule that triggers blkid to read data off
the device, if the device has been opened for writing. This triggers
when the device is closed.

Fio has an internal file hash for lookup of files. When threads start,
it can happen that one thread does a hash lookup without finding the
file, but when it has opened the file and attempts to insert it into
the hash, another thread has already completed that operation. When
that race happens, fio closes the file handle and does the lookup
again. That then triggers blkid to read pages off the device. As data
in the cache is invalidated on open of the device, we know have page
cache entries for the device again.

This is a problem for unbuffered workloads, where the existance of
page cache pages slows it down due to having to check for invalidation.
The user observed problem is that fio exhibits bi-modal performance
results, depending on whether the file hash race was hit during setup
or not.

Fix this by NOT closing the file if we hit this race, but instead wait
until the file is closed after the run.

Signed-off-by: Jens Axboe <axboe@kernel.dk>
6 years agoMerge branch 'master' of ssh://brick.kernel.dk/data/git/fio
Jens Axboe [Mon, 10 Dec 2012 09:16:45 +0000 (10:16 +0100)]
Merge branch 'master' of ssh://brick.kernel.dk/data/git/fio

6 years agocpu clock: round up when dividing by samples
Jens Axboe [Mon, 10 Dec 2012 09:15:59 +0000 (10:15 +0100)]
cpu clock: round up when dividing by samples

Signed-off-by: Jens Axboe <axboe@kernel.dk>
6 years agoDefine TSC arch_init() for PPC and IA64
Jens Axboe [Mon, 10 Dec 2012 07:36:35 +0000 (08:36 +0100)]
Define TSC arch_init() for PPC and IA64

Signed-off-by: Jens Axboe <axboe@kernel.dk>
6 years agogettime: fix CPU calibration reported mean
Jens Axboe [Mon, 10 Dec 2012 07:29:56 +0000 (08:29 +0100)]
gettime: fix CPU calibration reported mean

Bug introduced in fa80feae. It only affected the reported mean
if --debug=time was used, cosmetic issue.

Signed-off-by: Jens Axboe <axboe@kernel.dk>
6 years agogettime: calibration rounding error
Jens Axboe [Mon, 10 Dec 2012 07:29:03 +0000 (08:29 +0100)]
gettime: calibration rounding error

Signed-off-by: Jens Axboe <axboe@kernel.dk>
6 years agoIncrease CPU clock calibration accuracy
Jens Axboe [Mon, 10 Dec 2012 07:07:14 +0000 (08:07 +0100)]
Increase CPU clock calibration accuracy

Lets throw some more loops at it, it reduces the noise.

Signed-off-by: Jens Axboe <axboe@kernel.dk>
6 years agoAdd check for invariant TSC on x86 and use TSC is default clock if reliable
Jens Axboe [Sun, 9 Dec 2012 19:29:00 +0000 (20:29 +0100)]
Add check for invariant TSC on x86 and use TSC is default clock if reliable

TSC is by far the fastest clock we can use. Check the CPUID bits for
whether it is both constant rate AND synced across cores. If it is,
we can use it as our default clock source.

Fio will default to this clock source on x86 if no other clock source
is specifically given with clocksource= in the job file.

Signed-off-by: Jens Axboe <axboe@kernel.dk>
6 years agowindowsaio: create a single completion port during init, associate files during open.
Bruce Cran [Thu, 6 Dec 2012 19:59:42 +0000 (19:59 +0000)]
windowsaio: create a single completion port during init, associate files during open.

Signed-off-by: Jens Axboe <axboe@kernel.dk>
6 years agoDocument the ioengine=net pingpong= option
Jens Axboe [Thu, 6 Dec 2012 19:53:57 +0000 (20:53 +0100)]
Document the ioengine=net pingpong= option

Signed-off-by: Jens Axboe <axboe@kernel.dk>
6 years agoFix windows out-of-memory handling
Bruce Cran [Thu, 6 Dec 2012 19:33:14 +0000 (20:33 +0100)]
Fix windows out-of-memory handling

Signed-off-by: Jens Axboe <axboe@kernel.dk>
6 years agoFree io_u related structures before killing IO engine
Bruce Cran [Thu, 6 Dec 2012 19:32:40 +0000 (20:32 +0100)]
Free io_u related structures before killing IO engine

Signed-off-by: Jens Axboe <axboe@kernel.dk>
6 years agowindowsaio: initialize and map windowsaio IO structure to io_u
Jens Axboe [Thu, 6 Dec 2012 19:30:38 +0000 (20:30 +0100)]
windowsaio: initialize and map windowsaio IO structure to io_u

Instead of searching for a free entry everytime we enter
queue, do this when the io_u is setup. It's cleaner and
faster.

Signed-off-by: Jens Axboe <axboe@kernel.dk>
6 years agoparser: always match the correct option length for posval options
Jens Axboe [Thu, 6 Dec 2012 16:34:57 +0000 (17:34 +0100)]
parser: always match the correct option length for posval options

Right now we match rw=randr as rw=randrw, since we use the length
of the passed in option. Use a correct max of the ival and string
passed in, so that we fail if a full match isn't present.

Signed-off-by: Jens Axboe <axboe@kernel.dk>
6 years agoFix man page indentation
Jens Axboe [Wed, 5 Dec 2012 20:15:01 +0000 (21:15 +0100)]
Fix man page indentation

Was broken after the io engines.

Signed-off-by: Jens Axboe <axboe@kernel.dk>
6 years agolfsr: add HOWTO and man page documentation
Jens Axboe [Wed, 5 Dec 2012 09:28:08 +0000 (10:28 +0100)]
lfsr: add HOWTO and man page documentation

Signed-off-by: Jens Axboe <axboe@kernel.dk>
6 years agolfsr: ensure that the cycle follows the randrepeat= setting
Jens Axboe [Tue, 4 Dec 2012 12:12:25 +0000 (13:12 +0100)]
lfsr: ensure that the cycle follows the randrepeat= setting

Use the regular block offset seed to "seed" the lfsr generator,
so that it obeys randrepeat=0/1 as well.

Signed-off-by: Jens Axboe <axboe@kernel.dk>
6 years agoName the various random offsets we use
Jens Axboe [Tue, 4 Dec 2012 12:10:29 +0000 (13:10 +0100)]
Name the various random offsets we use

Signed-off-by: Jens Axboe <axboe@kernel.dk>
6 years agoRevert "Change preferred default clocksource to gettimeofday()"
Jens Axboe [Sat, 1 Dec 2012 14:02:11 +0000 (15:02 +0100)]
Revert "Change preferred default clocksource to gettimeofday()"

This reverts commit f7161017b75f5d3526147d42d3b583973922c444.

clock_gettime() is monotonic, so a superior clock source even
if it is slower.

6 years agoengines/net.c: fix compilation error due to missing signal.h include
Steven Noonan [Sat, 1 Dec 2012 08:16:55 +0000 (08:16 +0000)]
engines/net.c: fix compilation error due to missing signal.h include

Corrects this build failure:

engines/net.c: In function 'fio_netio_terminate':
engines/net.c:900:2: warning: implicit declaration of function 'kill' [-Wimplicit-function-declaration]
engines/net.c:900:16: error: 'SIGUSR2' undeclared (first use in this function)
engines/net.c:900:16: note: each undeclared identifier is reported only once for each function it appears in

Signed-off-by: Steven Noonan <snoonan@amazon.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
6 years agoWire up SIGUSR2 to kill blocking threads
Jens Axboe [Fri, 30 Nov 2012 20:46:06 +0000 (21:46 +0100)]
Wire up SIGUSR2 to kill blocking threads

Get rid of io engine ops SIGTERM flag, it didn't really
work.

Signed-off-by: Jens Axboe <axboe@kernel.dk>
6 years agoChange preferred default clocksource to gettimeofday()
Jens Axboe [Fri, 30 Nov 2012 18:43:31 +0000 (19:43 +0100)]
Change preferred default clocksource to gettimeofday()

It's faster than clock_gettime()

Signed-off-by: Jens Axboe <axboe@kernel.dk>
6 years agoCache layout improvements
Jens Axboe [Fri, 30 Nov 2012 18:37:46 +0000 (19:37 +0100)]
Cache layout improvements

Signed-off-by: Jens Axboe <axboe@kernel.dk>
6 years agonet: fix receiver start time
Jens Axboe [Fri, 30 Nov 2012 15:22:31 +0000 (16:22 +0100)]
net: fix receiver start time

Reset epoch/start time to when we get a connection.

Signed-off-by: Jens Axboe <axboe@kernel.dk>
6 years agonet: add basic ping/pong type workload support
Jens Axboe [Fri, 30 Nov 2012 08:59:20 +0000 (09:59 +0100)]
net: add basic ping/pong type workload support

If you use ioengine=net and then set pingpong=1, fio will operate
in a ping pong type fashion. When the reader receives a package
from the writer, it will return the package to the writer again.
The writer, in turn, will wait for this package before writing
a new package. This makes fio useful for roundrobin measurements
on networks.

The submission latency then measures how long it took to submit
a packet to the local system, while the completion latency is how
long it takes for the package to be received and returned by
the other end.

Signed-off-by: Jens Axboe <axboe@kernel.dk>
6 years agoverify: treat as failure if given verify type is different from media
Jens Axboe [Fri, 30 Nov 2012 08:39:02 +0000 (09:39 +0100)]
verify: treat as failure if given verify type is different from media

When fio verifies right now, it'll look at the on media stored type
and verify that type. This means that if verify=foo set and we
find older blocks that are written with verify=bar, we will
verify those against bar.

Change this so that if a specific verify type is given, that type
is ALWAYS used for verification. If none is given but asked to
verify, we retain the old behaviour of just verifying based on
the type given in the on-media block.

Signed-off-by: Jens Axboe <axboe@kernel.dk>
6 years agonet: sent udp open messages
Jens Axboe [Fri, 30 Nov 2012 07:27:46 +0000 (08:27 +0100)]
net: sent udp open messages

The receiver goes directly into recvfrom() when it starts up,
which greatly skews the first submission latency (since it's
measure from when it enters recvfrom() and until we finally
get the first packet from the client). Add a file open
handshake to avoid this issue.

Signed-off-by: Jens Axboe <axboe@kernel.dk>
6 years agoMerge branch 'rand-map'
Jens Axboe [Thu, 29 Nov 2012 20:56:06 +0000 (21:56 +0100)]
Merge branch 'rand-map'

6 years agosolaris: enable fadvise()
Jens Axboe [Thu, 29 Nov 2012 20:48:55 +0000 (21:48 +0100)]
solaris: enable fadvise()

Signed-off-by: Jens Axboe <axboe@kernel.dk>
6 years agoFix broken 'norandommap'
Jens Axboe [Thu, 29 Nov 2012 20:37:11 +0000 (21:37 +0100)]
Fix broken 'norandommap'

commit 8055e41d broke the option, always falling through to
the failure case.

Signed-off-by: Jens Axboe <axboe@kernel.dk>
6 years agoparse: fix wrong "might be used unitialized" warning on some compilers
Jens Axboe [Thu, 29 Nov 2012 20:33:03 +0000 (21:33 +0100)]
parse: fix wrong "might be used unitialized" warning on some compilers

GCC 3.4.3 on Solaris, I'm looking at you. Apparently:

if (a || b) {
if (a)
c = foo;
else if (b)
c = bar;

*c = foobar;
}

is too hard to figure out.

Signed-off-by: Jens Axboe <axboe@kernel.dk>
6 years agoWire up _weak posix_fadvise()
Jens Axboe [Thu, 29 Nov 2012 20:27:20 +0000 (21:27 +0100)]
Wire up _weak posix_fadvise()

The commit adding Android support included a botched
variant of posix_fadvise().

Signed-off-by: Jens Axboe <axboe@kernel.dk>
6 years agonet: set runstate to SETTING_UP while waiting for a connection
Jens Axboe [Thu, 29 Nov 2012 19:02:50 +0000 (20:02 +0100)]
net: set runstate to SETTING_UP while waiting for a connection

Otherwise the status print thinks it's running, and displays
bad stats.

Signed-off-by: Jens Axboe <axboe@kernel.dk>
6 years agonet: exit on WAITALL and !ret
Jens Axboe [Thu, 29 Nov 2012 18:57:35 +0000 (19:57 +0100)]
net: exit on WAITALL and !ret

Otherwise we can loop forever if the other end hung up.

Signed-off-by: Jens Axboe <axboe@kernel.dk>
6 years agonet: fix segfault with receiver, tcp, and no hostname set
Jens Axboe [Thu, 29 Nov 2012 13:35:33 +0000 (14:35 +0100)]
net: fix segfault with receiver, tcp, and no hostname set

Signed-off-by: Jens Axboe <axboe@kernel.dk>
6 years agolibfio: don't sent KILL signal to own process from signal handler
Jens Axboe [Thu, 29 Nov 2012 13:24:34 +0000 (14:24 +0100)]
libfio: don't sent KILL signal to own process from signal handler

Signed-off-by: Jens Axboe <axboe@kernel.dk>
6 years agoAdd t/axmap tester
Jens Axboe [Wed, 28 Nov 2012 20:29:14 +0000 (21:29 +0100)]
Add t/axmap tester

Signed-off-by: Jens Axboe <axboe@kernel.dk>
6 years agoRename the bitmap to axmap
Jens Axboe [Wed, 28 Nov 2012 20:24:46 +0000 (21:24 +0100)]
Rename the bitmap to axmap

It's not really a bitmap, it's a bitmap of bitmaps. Now named.

Signed-off-by: Jens Axboe <axboe@kernel.dk>
6 years agobitmap: fix off-by-8 allocation error
Jens Axboe [Wed, 28 Nov 2012 18:36:16 +0000 (19:36 +0100)]
bitmap: fix off-by-8 allocation error

Was multiplying by the bit-size, not the byte-size. No algorithmic
changes, we never used the 7/8ths of the memory at the end...

Signed-off-by: Jens Axboe <axboe@kernel.dk>
6 years agoFix windowsaio IO error handling and document device write access issue on Windows...
Bruce Cran [Tue, 27 Nov 2012 12:16:07 +0000 (12:16 +0000)]
Fix windowsaio IO error handling and document device write access issue on Windows and FreeBSD.

Signed-off-by: Jens Axboe <axboe@kernel.dk>
6 years agoFix compile for older Linux without mmap MAP_HUGETLB
Jens Axboe [Tue, 27 Nov 2012 07:27:50 +0000 (08:27 +0100)]
Fix compile for older Linux without mmap MAP_HUGETLB

Signed-off-by: Jens Axboe <axboe@kernel.dk>
6 years agolfsr: crank it 128 times before using the sequence
Jens Axboe [Tue, 27 Nov 2012 07:21:18 +0000 (08:21 +0100)]
lfsr: crank it 128 times before using the sequence

Signed-off-by: Jens Axboe <axboe@kernel.dk>
6 years agoEnsure that lfsr_init() is always called
Jens Axboe [Mon, 26 Nov 2012 18:59:14 +0000 (19:59 +0100)]
Ensure that lfsr_init() is always called

Signed-off-by: Jens Axboe <axboe@kernel.dk>
6 years agoAdd LFSR generator
Jens Axboe [Mon, 26 Nov 2012 07:43:47 +0000 (08:43 +0100)]
Add LFSR generator

Signed-off-by: Jens Axboe <axboe@kernel.dk>
6 years agoRestore BUSY_OK bypassing of bitmap
Jens Axboe [Thu, 22 Nov 2012 14:14:17 +0000 (15:14 +0100)]
Restore BUSY_OK bypassing of bitmap

Signed-off-by: Jens Axboe <axboe@kernel.dk>
6 years agoKill now unused bitmap defines from legacy code
Jens Axboe [Thu, 22 Nov 2012 14:12:05 +0000 (15:12 +0100)]
Kill now unused bitmap defines from legacy code

Signed-off-by: Jens Axboe <axboe@kernel.dk>
6 years agobitmap: kill debug code
Jens Axboe [Thu, 22 Nov 2012 12:59:34 +0000 (13:59 +0100)]
bitmap: kill debug code

Signed-off-by: Jens Axboe <axboe@kernel.dk>
6 years agobitmap: fix bit_masks[] for 32-bit compiles
Jens Axboe [Thu, 22 Nov 2012 12:52:56 +0000 (13:52 +0100)]
bitmap: fix bit_masks[] for 32-bit compiles

Signed-off-by: Jens Axboe <axboe@kernel.dk>
6 years agoRework file random map
Jens Axboe [Thu, 22 Nov 2012 12:50:29 +0000 (13:50 +0100)]
Rework file random map

Fio slows down at the end of a random IO run, when the random
map is used and it gets fuller. This causes slowdowns in
IOPS. This is largely due to the file random map being an
array of bits, and with random access to single bits of the
array at the time, locality is awful. The effect is observable
throughout a run, though, where it gradually gets slower and
slower. It just becomes more apparent at near the end of the
run, where the last 10% are fairly bad. This is even with
doing a bunch of tricks to reduce that cost.

Implement an N-level bitmap, where layer N uses a single bit
to represent 32/64-bits at layer N-1. The number of layers
depends on the number of blocks.

This has slightly higher overhead initially in theory, in
practice it performs about the same. As a bonus, the throughput
remains constant during the run, and even becomes faster
near the end.

Signed-off-by: Jens Axboe <axboe@kernel.dk>
6 years agoAdd support for Android
Aaron Carroll [Wed, 21 Nov 2012 09:39:00 +0000 (10:39 +0100)]
Add support for Android

Signed-off-by: Jens Axboe <axboe@kernel.dk>
6 years agomemory: wire up mmap huge page support
Jens Axboe [Tue, 20 Nov 2012 12:39:59 +0000 (13:39 +0100)]
memory: wire up mmap huge page support

Signed-off-by: Jens Axboe <axboe@kernel.dk>
6 years agoUse unique seed for zipf/pareto init if rand_repeat is not set
Jens Axboe [Sat, 17 Nov 2012 17:06:36 +0000 (10:06 -0700)]
Use unique seed for zipf/pareto init if rand_repeat is not set

By default, fio uses repeatable random sequences for anything.
This makes it easy to run the same job again. But if this is
disabled, ensure that the zipf/pareto sequences are also
randomized. Re-use the normal random io offset seed for
the random distribution too.

Signed-off-by: Jens Axboe <axboe@kernel.dk>
6 years agoGenerate a new Windows installer product code for 2.0.11.
Bruce Cran [Sat, 17 Nov 2012 15:12:04 +0000 (08:12 -0700)]
Generate a new Windows installer product code for 2.0.11.

Signed-off-by: Jens Axboe <axboe@kernel.dk>
6 years agoAdd more examples to the Windows installer.
Bruce Cran [Sat, 17 Nov 2012 15:11:22 +0000 (08:11 -0700)]
Add more examples to the Windows installer.

Signed-off-by: Jens Axboe <axboe@kernel.dk>
6 years agoFio 2.0.11 fio-2.0.11
Jens Axboe [Thu, 15 Nov 2012 22:40:41 +0000 (15:40 -0700)]
Fio 2.0.11

Signed-off-by: Jens Axboe <axboe@kernel.dk>
6 years agoDocument random distribution
Jens Axboe [Thu, 15 Nov 2012 22:38:32 +0000 (15:38 -0700)]
Document random distribution

Signed-off-by: Jens Axboe <axboe@kernel.dk>
6 years agoDisable random map automatically if a non-uniform random distribution is given
Jens Axboe [Thu, 15 Nov 2012 22:21:23 +0000 (15:21 -0700)]
Disable random map automatically if a non-uniform random distribution is given

Doesn't make sense to use a map, if the user specifically asked for
a non-uniform distribution.

Signed-off-by: Jens Axboe <axboe@kernel.dk>
6 years agogenzipf: add help/usage screen (-h)
Jens Axboe [Thu, 15 Nov 2012 22:19:34 +0000 (15:19 -0700)]
genzipf: add help/usage screen (-h)

Signed-off-by: Jens Axboe <axboe@kernel.dk>
6 years agoGet rid of -fno-omit-frame-pointer
Jens Axboe [Thu, 15 Nov 2012 21:58:04 +0000 (14:58 -0700)]
Get rid of -fno-omit-frame-pointer

It costs a bit of performance. And it's trivial to re-enable
for debug/profiling purposes.

Signed-off-by: Jens Axboe <axboe@kernel.dk>
6 years agot/genzfip: add -c option for csv output
Vincent Kang Fu [Thu, 15 Nov 2012 20:44:34 +0000 (13:44 -0700)]
t/genzfip: add -c option for csv output

Signed-off-by: Jens Axboe <axboe@kernel.dk>
6 years agoserver: properly reset stat_number in fio_reset_state()
Jens Axboe [Thu, 15 Nov 2012 14:51:28 +0000 (07:51 -0700)]
server: properly reset stat_number in fio_reset_state()

Signed-off-by: Jens Axboe <axboe@kernel.dk>
6 years agoclient/server: fixup "All clients" reporting
Jens Axboe [Wed, 14 Nov 2012 20:09:45 +0000 (13:09 -0700)]
client/server: fixup "All clients" reporting

We didn't properly account for no group_reporting and multiple
jobs on multiple connections.

Signed-off-by: Jens Axboe <axboe@kernel.dk>