[Bug 97130] New: [IVB] gem_tiled_swapping threaded oom killed, high number of writeback pages/not freed/OOM killer should be excluded?

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=97130

            Bug ID: 97130
           Summary: [IVB] gem_tiled_swapping threaded oom killed, high
                    number of writeback pages/not freed/OOM killer should
                    be excluded?
           Product: DRI
           Version: unspecified
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/Intel
          Assignee: intel-gfx-bugs at lists.freedesktop.org
          Reporter: christophe.prigent at intel.com
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
                CC: intel-gfx-bugs at lists.freedesktop.org

Created attachment 125413
  --> https://bugs.freedesktop.org/attachment.cgi?id=125413&action=edit
IVB-gem_tiled_swapping__threaded-output

Platform: IVB
CPU: Intel(R) Core(TM) i7-3770K CPU @ 3.50GHz (family 6, model 58, stepping 9)
Motherboard version: DH77EB
GPU: Intel® HD Graphics 4000 - Xeon E3-1200 v2/3rd Gen Core processor Graphics
Controller
Software
Bios: EBH7710H.86A.0096.2012.1012.1645
Linux distribution: Ubuntu 16.04 64 bits
Kernel: 4.7.0-rc7 7eeb04a from http://cgit.freedesktop.org/drm-intel/
  commit 7eeb04a101316645916d4d9df058a9341797f1af
  Author: Chris Wilson <chris at chris-wilson.co.uk>
  Date:   Sun Jul 24 11:00:31 2016 +0100
  drm-intel-nightly: 2016y-07m-24d-09h-59m-54s UTC integration manifest
drm: libdrm-2.4.70 0caa84c from git://anongit.freedesktop.org/mesa/drm
mesa: mesa-11.2.2 3a9f628from git://anongit.freedesktop.org/mesa/mesa
cairo: 1.15.2 db8a7f1 from git://anongit.freedesktop.org/cairo
xserver: xorg-server-1.18.0-497 0b2f308 from
git://git.freedesktop.org/git/xorg/xserver
xf86-video-intel: 2.99.917-687 6988b87 from
git://git.freedesktop.org/git/xorg/driver/xf86-video-intel
libva: libva-1.7.0-26 c36971c from git://git.freedesktop.org/git/vaapi/libva
vaapi-intel-driver: 1.7.0-58 e554446 from
git://git.freedesktop.org/git/vaapi/intel-driver
Intel-Gpu-Tools 1.15-140 e3abb20 from
http://anongit.freedesktop.org/git/xorg/app/intel-gpu-tools.git

Steps:
------
1. Execute IGT tests:
# ./gem_tiled_swapping --r non-threaded
# ./gem_tiled_swapping --r threaded

Actual results
--------------
1. Process is most of the time killed by OOM killer when executed several
times:
root at IVB102:/opt/X11R7/src/intel-gpu-tools/tests# ./gem_tiled_swapping --r
non-threaded
IGT-Version: 1.15-ge3abb20 (x86_64) (Linux: 4.7.0-nightly+ x86_64)
Using 640 1MiB objects (available RAM: 244/31945, swap: 1888)
Subtest non-threaded: SUCCESS (74.847s)
root at IVB102:/opt/X11R7/src/intel-gpu-tools/tests# ./gem_tiled_swapping --r
threaded
IGT-Version: 1.15-ge3abb20 (x86_64) (Linux: 4.7.0-nightly+ x86_64)
Using 640 1MiB objects (available RAM: 278/31945, swap: 1845)
Killed

Expected result
-----------------
1. Tests are Pass

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