Comment 468 for bug 500069

Hi all!

I just ran the tests and obtained this:

######################################################
gad@ws-esp16:~$ ./kernel-test2.sh
Using current dir to do IO tests
####################
## System info
System: 2.6.28-11-generic i686
Tag: 2.6.28-11-generic
Memory MemTotal: 2060636 kB
CPU Model: model name : Intel(R) Core(TM)2 Duo CPU T7500 @ 2.20GHz
Running in .
Mounts:
---------------------
rootfs / rootfs rw 0 0
/dev/disk/by-uuid/ee364958-34b6-474e-8e54-9a9eaff56d12 / ext3 rw,relatime,errors=remount-ro,data=ordered 0 0
---------------------
Sda info:
 Model=ST91608220AS , FwRev=3.ALE , SerialNo= 5MA4TF4V
####################
First Test: FsyncProblem

Starting
./test-2.6.28-11-generic-1
We have High IO PID 8949 running
We have fsync-tester with 8950 running...
fsync time: 0.1504
fsync time: 0.5174
fsync time: 0.3664
fsync time: 0.1727
fsync time: 0.2163
fsync time: 0.3080
fsync time: 0.3914
fsync time: 0.1766
fsync time: 0.4800
fsync time: 0.2304
fsync time: 0.4018
fsync time: 0.1159
fsync time: 0.4537
fsync time: 0.1837
fsync time: 0.3032
fsync time: 0.5013
fsync time: 2.0128
fsync time: 0.9343
fsync time: 0.3027
fsync time: 1.2761
fsync time: 0.7145
fsync time: 0.4678
fsync time: 2.0326
fsync time: 0.2019
fsync time: 0.5484
fsync time: 0.3867
fsync time: 0.0912
fsync time: 0.2040
fsync time: 0.3893
fsync time: 0.2703
fsync time: 0.3794
fsync time: 0.5449
fsync time: 0.7379
fsync time: 0.5957
fsync time: 0.6034
fsync time: 0.7915
fsync time: 1.0564
fsync time: 0.5795
fsync time: 0.4501
fsync time: 2.2850
fsync time: 8.1411
fsync time: 1.4754
fsync time: 1.3487
fsync time: 0.9896
fsync time: 0.6221
fsync time: 1.1703
fsync time: 0.2775
fsync time: 0.1842
fsync time: 0.3994
fsync time: 0.5275
fsync time: 0.3382
fsync time: 0.3295
fsync time: 0.6451
fsync time: 0.6803
fsync time: 1.2621
fsync time: 1.3397
fsync time: 0.3250
fsync time: 0.3182
fsync time: 0.3491
fsync time: 0.2745
fsync time: 0.3489
fsync time: 0.5478
fsync time: 0.6009
fsync time: 0.4482
fsync time: 0.3772
fsync time: 0.1414
fsync time: 0.2948
fsync time: 0.2228
fsync time: 0.3758
fsync time: 0.3091
fsync time: 0.2624
fsync time: 0.3526
fsync time: 0.0771
fsync time: 0.2078
fsync time: 0.1613
fsync time: 0.2265
fsync time: 0.2759
fsync time: 0.3231
fsync time: 0.3532
fsync time: 0.1200
fsync time: 0.2788
fsync time: 0.4866
fsync time: 0.2710
fsync time: 0.4107
fsync time: 0.4903
fsync time: 0.5680
fsync time: 0.1199
fsync time: 0.3397
fsync time: 0.3929
fsync time: 0.3373
fsync time: 0.4407
fsync time: 0.2629
fsync time: 0.2998
fsync time: 0.2175
fsync time: 0.3119
fsync time: 0.0971
fsync time: 0.1899
fsync time: 0.4977
fsync time: 0.4127
fsync time: 0.2498
fsync time: 0.8439
fsync time: 0.1513
fsync time: 0.1109
fsync time: 0.2506
fsync time: 0.3414
fsync time: 0.1470
fsync time: 0.0558
./kernel-test2.sh: line 84: 8949 Terminado dd if=/dev/zero of="$io_test_path/test-$info_tag-$i" bs=1M count=5000 oflag=direct
./kernel-test2.sh: line 86: 8950 Terminado ./fsync-tester "$io_test_path/test-$info_tag-$i.fsynctest"
./test-2.6.28-11-generic-1 deleted!
./test-2.6.28-11-generic-1.fsynctest deleted!
 --- Finish ---
Kernel tested: 2.6.28-11-generic i686

######################################################

I have to say that I killed the dd program manually because it took to much time.

I don't know if it's an issue to get about 1,2MB/S IO as much... I suppose that even for a laptop this is not much normal.

Anyway there are results.
I updated testsuite to include this new test.

It's called kernel-testsuite.tar.gz and it includes:
   kernel-test-fsync.sh
   fsync-tester

The package contains Theodore Ts'o sources but modified to use 1 parameter for the filename of the output.

I hope this helps.