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<head>
<base href="https://bugs.freedesktop.org/" />
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<body><table border="1" cellspacing="0" cellpadding="8">
<tr>
<th>Priority</th>
<td>medium
</td>
</tr>
<tr>
<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - [SNB/IVB/HSW/BYT]igt/gem_fence_upload some subcases fail"
href="https://bugs.freedesktop.org/show_bug.cgi?id=80079">80079</a>
</td>
</tr>
<tr>
<th>CC</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr>
<tr>
<th>Assignee</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr>
<tr>
<th>Summary</th>
<td>[SNB/IVB/HSW/BYT]igt/gem_fence_upload some subcases fail
</td>
</tr>
<tr>
<th>QA Contact</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr>
<tr>
<th>Severity</th>
<td>normal
</td>
</tr>
<tr>
<th>Classification</th>
<td>Unclassified
</td>
</tr>
<tr>
<th>OS</th>
<td>All
</td>
</tr>
<tr>
<th>Reporter</th>
<td>jinxianx.guo@intel.com
</td>
</tr>
<tr>
<th>Hardware</th>
<td>Other
</td>
</tr>
<tr>
<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Version</th>
<td>unspecified
</td>
</tr>
<tr>
<th>Component</th>
<td>DRM/Intel
</td>
</tr>
<tr>
<th>Product</th>
<td>DRI
</td>
</tr></table>
<p>
<div>
<pre>Created <span class=""><a href="attachment.cgi?id=101143" name="attach_101143" title="dmesg">attachment 101143</a> <a href="attachment.cgi?id=101143&action=edit" title="dmesg">[details]</a></span>
dmesg
==System Environment==
--------------------------
Regression: No.
It's new case
Non-working platforms: SNB IVB HSW BYT
==kernel==
--------------------------
origin/drm-intel-nightly: b438e8793c6d18b0998d75cdf8115a5898ed21d1(fails)
drm-intel-nightly: 2014y-06m-13d-22h-09m-12s integration manifest
origin/drm-intel-next-queued: 868d665b43473e230d560d5186535270a3d57a19(fails)
drm/i915: Fix memory leak in intel_dsi_init() error path
origin/drm-intel-fixes: 223a6f2b975ab35d93270ea1d4fb6e0ac6b27fe6(fails)
drm/i915/bdw: remove erroneous chv specific workarounds from bdw code
==Bug detailed description==
-----------------------------
igt/gem_fence_upload some subcases fail
Output:
[root@x-hsw26 tests]# ./gem_fence_upload
IGT-Version: 1.7-g8c1566e (x86_64) (Linux:
3.15.0-rc8_drm-intel-next-queued_868d66_20140616+ x86_64)
Upload rate for 2 linear surfaces: 15653.304MiB/s
Upload rate for 2 tiled surfaces: 16163.147MiB/s
Upload rate for 4 linear surfaces: 15617.791MiB/s
Upload rate for 4 tiled surfaces: 16181.664MiB/s
Upload rate for 8 linear surfaces: 15600.660MiB/s
Upload rate for 8 tiled surfaces: 16156.325MiB/s
Upload rate for 16 linear surfaces: 15672.455MiB/s
Upload rate for 16 tiled surfaces: 16212.921MiB/s
Upload rate for 32 linear surfaces: 15612.530MiB/s
Upload rate for 32 tiled surfaces: 16160.118MiB/s
Upload rate for 64 linear surfaces: 15633.077MiB/s
Upload rate for 64 tiled surfaces: 6755.993MiB/s
Test assertion failure function performance, file gem_fence_upload.c:108:
Last errno: 0, Success
Failed assertion: tiled[1] > 0.75 * tiled[0]
Subtest performance: FAIL
Contended upload rate for 1 threads: 1654.431MiB/s
Contended upload rate for 1 threads: 1694.556MiB/s
Contended upload rate for 2 threads: 736.089MiB/s
Contended upload rate for 2 threads: 735.497MiB/s
Contended upload rate for 4 threads: 766.770MiB/s
Contended upload rate for 4 threads: 715.844MiB/s
Contended upload rate for 8 threads: 628.011MiB/s
Contended upload rate for 8 threads: 640.349MiB/s
Contended upload rate for 16 threads: 615.857MiB/s
Contended upload rate for 16 threads: 622.288MiB/s
Contended upload rate for 32 threads: 599.360MiB/s
Contended upload rate for 32 threads: 606.371MiB/s
Contended upload rate for 64 threads: 584.327MiB/s
Contended upload rate for 64 threads: 80.699MiB/s
Test assertion failure function thread_contention, file gem_fence_upload.c:321:
Last errno: 0, Success
Failed assertion: tiled[1] > 0.75 * tiled[0]
Subtest thread-contention: FAIL
Download rate for 2 linear surfaces, 2 threads: 78.469MiB/s
Download rate for 2 tiled surfaces, 2 threads: 78.524MiB/s
Download rate for 4 linear surfaces, 4 threads: 153.073MiB/s
Download rate for 4 tiled surfaces, 4 threads: 153.146MiB/s
Download rate for 8 linear surfaces, 8 threads: 293.719MiB/s
Download rate for 8 tiled surfaces, 8 threads: 292.514MiB/s
Download rate for 16 linear surfaces, 16 threads: 293.454MiB/s
Download rate for 16 tiled surfaces, 16 threads: 292.741MiB/s
Download rate for 32 linear surfaces, 32 threads: 293.049MiB/s
Download rate for 32 tiled surfaces, 32 threads: 292.829MiB/s
Download rate for 64 linear surfaces, 64 threads: 293.125MiB/s
Download rate for 64 tiled surfaces, 64 threads: 135.928MiB/s
Subtest thread-performance-read: SUCCESS
Upload rate for 2 linear surfaces, 2 threads: 11184.900MiB/s
Upload rate for 2 tiled surfaces, 2 threads: 12052.731MiB/s
Upload rate for 4 linear surfaces, 4 threads: 7265.297MiB/s
Upload rate for 4 tiled surfaces, 4 threads: 7505.571MiB/s
Upload rate for 8 linear surfaces, 8 threads: 7456.166MiB/s
Upload rate for 8 tiled surfaces, 8 threads: 7576.654MiB/s
Upload rate for 16 linear surfaces, 16 threads: 7378.159MiB/s
Upload rate for 16 tiled surfaces, 16 threads: 7578.673MiB/s
Upload rate for 32 linear surfaces, 32 threads: 7383.054MiB/s
Upload rate for 32 tiled surfaces, 32 threads: 7504.800MiB/s
Upload rate for 64 linear surfaces, 64 threads: 7305.519MiB/s
Upload rate for 64 tiled surfaces, 64 threads: 184.805MiB/s
Test assertion failure function thread_performance, file
gem_fence_upload.c:246:
Last errno: 0, Success
Failed assertion: linear[1] > 0.75 * linear[0]
Subtest thread-performance-write: FAIL
Combined rate for 2 linear surfaces, 4 threads: 156.549MiB/s
Combined rate for 2 tiled surfaces, 4 threads: 156.109MiB/s
Combined rate for 4 linear surfaces, 8 threads: 304.679MiB/s
Combined rate for 4 tiled surfaces, 8 threads: 303.680MiB/s
Combined rate for 8 linear surfaces, 16 threads: 568.308MiB/s
Combined rate for 8 tiled surfaces, 16 threads: 562.881MiB/s
Combined rate for 16 linear surfaces, 32 threads: 572.849MiB/s
Combined rate for 16 tiled surfaces, 32 threads: 570.542MiB/s
Combined rate for 32 linear surfaces, 64 threads: 575.814MiB/s
Combined rate for 32 tiled surfaces, 64 threads: 570.089MiB/s
Combined rate for 64 linear surfaces, 128 threads: 573.400MiB/s
Combined rate for 64 tiled surfaces, 128 threads: 154.320MiB/s
Subtest thread-performance-both: SUCCESS
==Reproduce steps==
----------------------------
1. ./gem_fence_upload</pre>
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