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<body><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> changed
<a class="bz_bug_link
bz_status_VERIFIED bz_closed"
title="VERIFIED FIXED - [All Regression]igt/gem_fence_upload/thread-contention costs long time to execute sporadically"
href="https://bugs.freedesktop.org/show_bug.cgi?id=80578">bug 80578</a>
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<th>What</th>
<th>Removed</th>
<th>Added</th>
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<td style="text-align:right;">Status</td>
<td>RESOLVED
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<td>VERIFIED
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<b><a class="bz_bug_link
bz_status_VERIFIED bz_closed"
title="VERIFIED FIXED - [All Regression]igt/gem_fence_upload/thread-contention costs long time to execute sporadically"
href="https://bugs.freedesktop.org/show_bug.cgi?id=80578#c3">Comment # 3</a>
on <a class="bz_bug_link
bz_status_VERIFIED bz_closed"
title="VERIFIED FIXED - [All Regression]igt/gem_fence_upload/thread-contention costs long time to execute sporadically"
href="https://bugs.freedesktop.org/show_bug.cgi?id=80578">bug 80578</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>Verified on latest -nightly(c95053d599112ec3b8c27a632e3c1544558891a4)
root@x-bdw05:/GFX/Test/Intel_gpu_tools/intel-gpu-tools/tests# time
./gem_fence_upload --run-subtest thread-contention
IGT-Version: 1.7-gde1e877 (x86_64) (Linux:
3.16.0-rc6_drm-intel-nightly_c95053_20140731+ x86_64)
Contended upload rate for 1 linear threads: 977.577MiB/s
Contended upload rate for 1 tiled threads: 1029.535MiB/s
Contended upload rate for 2 linear threads: 561.581MiB/s
Contended upload rate for 2 tiled threads: 548.894MiB/s
Contended upload rate for 4 linear threads: 415.698MiB/s
Contended upload rate for 4 tiled threads: 419.414MiB/s
Contended upload rate for 8 linear threads: 443.218MiB/s
Contended upload rate for 8 tiled threads: 429.411MiB/s
Contended upload rate for 16 linear threads: 398.678MiB/s
Contended upload rate for 16 tiled threads: 413.333MiB/s
Contended upload rate for 32 linear threads: 402.941MiB/s
Contended upload rate for 32 tiled threads: 384.500MiB/s
Contended upload rate for 64 linear threads: 379.671MiB/s
Contended upload rate for 64 tiled threads: 45.291MiB/s
Test assertion failure function thread_contention, file gem_fence_upload.c:321:
Failed assertion: linear[1] > 0.75 * linear[0]
Subtest thread-contention: FAIL
real 0m30.227s
user 0m1.788s
sys 1m3.923s
About the failure, which tracked by <a class="bz_bug_link
bz_status_NEW "
title="NEW --- - [SNB/IVB/HSW/BYT/BDW]igt/gem_fence_upload some subcases fail"
href="show_bug.cgi?id=80079">bug 80079</a></pre>
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