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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - [SNB/IVB/HSW/BYT/BDW]igt/gem_fence_upload some subcases fail"
href="https://bugs.freedesktop.org/show_bug.cgi?id=80079#c5">Comment # 5</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW --- - [SNB/IVB/HSW/BYT/BDW]igt/gem_fence_upload some subcases fail"
href="https://bugs.freedesktop.org/show_bug.cgi?id=80079">bug 80079</a>
from <span class="vcard"><a class="email" href="mailto:jinxianx.guo@intel.com" title="Guo Jinxian <jinxianx.guo@intel.com>"> <span class="fn">Guo Jinxian</span></a>
</span></b>
<pre>(In reply to <a href="show_bug.cgi?id=80079#c4">comment #4</a>)
<span class="quote">> The test timeout sometimes
> [root@x-pk1 tests]# time ./gem_fence_upload --run-subtest thread-contention
> IGT-Version: 1.7-gfedb9b6 (x86_64) (Linux:
> 3.16.0-rc2_drm-intel-fixes_bfafe9_20140624+ x86_64)
> Contended upload rate for 1 linear threads: 818.498MiB/s
> Contended upload rate for 1 tiled threads: 931.045MiB/s
> Contended upload rate for 2 linear threads: 701.677MiB/s
> Contended upload rate for 2 tiled threads: 783.641MiB/s
> Contended upload rate for 4 linear threads: 536.679MiB/s
> Contended upload rate for 4 tiled threads: 574.223MiB/s
> Contended upload rate for 8 linear threads: 2.550MiB/s
> Contended upload rate for 8 tiled threads: 2.566MiB/s
> Contended upload rate for 16 linear threads: 2.320MiB/s
> Contended upload rate for 16 tiled threads: 2.316MiB/s
> Contended upload rate for 32 linear threads: 3.090MiB/s
> Contended upload rate for 32 tiled threads: 3.083MiB/s
> Test assertion failure function thread_contention, file
> gem_fence_upload.c:321:
> Last errno: 0, Success
> Failed assertion: linear[1] > 0.75 * linear[0]
> Subtest thread-contention: FAIL
>
> real 10m53.102s
> user 0m0.095s
> sys 43m17.662s</span >
Timeout was tracked by <a class="bz_bug_link
bz_status_NEW "
title="NEW --- - [All Regression]igt/gem_fence_upload/thread-contention costs long time to execute sporadically"
href="show_bug.cgi?id=80578">Bug 80578</a></pre>
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