[Bug 77474] [PNV/IVB/HSW/BDW]igt/gem_tiled_swapping is slow

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=77474

Guo Jinxian <jinxianx.guo at intel.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEEDINFO                    |ASSIGNED

--- Comment #11 from Guo Jinxian <jinxianx.guo at intel.com> ---
(In reply to comment #10)
> As a point of reference:
> 
> =0 ickle:/opt/xorg/src/intel-gpu-tools/tests$ time sudo ./gem_tiled_swapping 
> IGT-Version: 1.7-gd0dc2c5 (x86_64) (Linux: 3.16.0-rc5+ x86_64)
> Using 9598 1MiB objects (available RAM: 7558/7905, swap: 6773)
> Subtest threaded: SUCCESS
> 
> real    13m6.927s
> user    0m3.881s
> sys     4m17.993s
> 
> Using 2x the amount of data, my machine is about 4x quicker. An order of
> magnitude difference suggests machine configuration - but just maybe it is
> worth restesting.

The test result on latest -nightly(8734408c113bb38234ed03ec51c723b3deff579b)
shows below:
[root at x-bdw01 tests]# time ./gem_tiled_swapping
IGT-Version: 1.7-g4d4f4b2 (x86_64) (Linux:
3.16.0-rc5_drm-intel-nightly_873440_20140721+ x86_64)
Using 4877 1MiB objects (available RAM: 3702/3882, swap: 3983)
Subtest threaded: SUCCESS

real    12m17.901s
user    0m1.578s
sys     33m10.704s

It still unable to finish in 10 minutes.

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