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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 --- - [BDW]igt/gem_exec_lut_handle is slow"
href="https://bugs.freedesktop.org/show_bug.cgi?id=78023">78023</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>[BDW]igt/gem_exec_lut_handle is slow
</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=98105" name="attach_98105" title="dmesg">attachment 98105</a> <a href="attachment.cgi?id=98105&action=edit" title="dmesg">[details]</a></span>
dmesg
system Environment:
--------------------------
Platform: BDW
Kernel:(drm-intel-nightly)11ddb598492d1f97f894495eea398febb41a9eb0
Bug detailed description:
-----------------------------
igt/gem_exec_lut_handle is slow on
-nightly(11ddb598492d1f97f894495eea398febb41a9eb0) and
-next-queued(b7c0d9df97c10ec5693a838df2fd53058f8e9e96). it's passed on
-fixes(7f1950fbb989e8fc5463b307e062b4529d51c862)
.
it spends about 15 minutes.
output:
date;./gem_exec_lut_handle;date
Mon Apr 28 14:30:05 EDT 2014
IGT-Version: 1.6-ga595a40 (x86_64) (Linux:
3.15.0-rc2_drm-intel-nightly_11ddb5_20140428+ x86_64)
relocation: buffers= 1: old= 125316 + 117.9*reloc, lut= 146850 + 112.0*reloc
(ns)
relocation: buffers= 2: old= 406548 + 141.1*reloc, lut= 419875 + 140.6*reloc
(ns)
relocation: buffers= 4: old= 800835 + 139.2*reloc, lut= 816025 + 137.0*reloc
(ns)
relocation: buffers= 8: old=1166923 + 135.5*reloc, lut=1232500 + -75.5*reloc
(ns)
relocation: buffers= 16: old= 192457 + 81.2*reloc, lut= 205708 + 65.6*reloc
(ns)
relocation: buffers= 32: old= 192791 + 122.6*reloc, lut= 209907 + 119.2*reloc
(ns)
relocation: buffers= 64: old= 506904 + 148.8*reloc, lut= 542884 + 60.0*reloc
(ns)
relocation: buffers= 128: old= 191845 + 132.5*reloc, lut= 202870 + 130.7*reloc
(ns)
relocation: buffers= 256: old= 526010 + 175.1*reloc, lut= 550133 + 139.0*reloc
(ns)
relocation: buffers= 512: old= 359939 + 120.2*reloc, lut= 364441 + 101.7*reloc
(ns)
relocation: buffers=1024: old= 666040 + 193.0*reloc, lut= 659301 + 164.3*reloc
(ns)
relocation: buffers=2048: old=1392698 + 90.6*reloc, lut=1326707 + 31.1*reloc
(ns)
skip-relocs: buffers= 1: old= 99454 + 77.9*reloc, lut= 109764 + 76.7*reloc
(ns)
skip-relocs: buffers= 2: old= 404212 + 101.5*reloc, lut= 418515 + 100.4*reloc
(ns)
skip-relocs: buffers= 4: old= 824913 + -9.5*reloc, lut= 864003 + -114.4*reloc
(ns)
skip-relocs: buffers= 8: old= 100407 + 78.6*reloc, lut= 110857 + 77.6*reloc
(ns)
skip-relocs: buffers= 16: old= 411945 + 102.9*reloc, lut= 427001 + 101.5*reloc
(ns)
skip-relocs: buffers= 32: old= 815200 + 95.8*reloc, lut= 830975 + 92.6*reloc
(ns)
skip-relocs: buffers= 64: old=1165378 + 89.7*reloc, lut=1178587 + 87.6*reloc
(ns)
skip-relocs: buffers= 128: old=1524780 + 90.8*reloc, lut=1537187 + 89.3*reloc
(ns)
skip-relocs: buffers= 256: old=1906707 + 92.3*reloc, lut=1918720 + 89.7*reloc
(ns)
skip-relocs: buffers= 512: old=2337270 + 105.8*reloc, lut=2347068 + 91.7*reloc
(ns)
skip-relocs: buffers=1024: old=2053583 + -544.2*reloc, lut=1952384 +
-534.9*reloc (ns)
skip-relocs: buffers=2048: old= 680265 + 113.4*reloc, lut= 652852 + 68.2*reloc
(ns)
no-relocs: buffers= 1: old= 304519 + 32.3*reloc, lut= 331179 + -24.8*reloc
(ns)
no-relocs: buffers= 2: old= 97862 + 64.8*reloc, lut= 108347 + 65.1*reloc
(ns)
no-relocs: buffers= 4: old= 414029 + 94.3*reloc, lut= 430559 + 93.7*reloc
(ns)
no-relocs: buffers= 8: old= 838338 + 75.1*reloc, lut= 852344 + 74.6*reloc
(ns)
no-relocs: buffers= 16: old=1185574 + 70.9*reloc, lut=1198192 + 70.3*reloc
(ns)
no-relocs: buffers= 32: old=1516555 + 70.3*reloc, lut=1528722 + 69.6*reloc
(ns)
no-relocs: buffers= 64: old=1847106 + 69.1*reloc, lut=1859239 + 69.6*reloc
(ns)
no-relocs: buffers= 128: old=2190399 + 75.2*reloc, lut=2205177 + 71.6*reloc
(ns)
no-relocs: buffers= 256: old=2566325 + 71.3*reloc, lut=2578291 + 72.2*reloc
(ns)
no-relocs: buffers= 512: old= 730893 + -143.7*reloc, lut= 671261 + -119.0*reloc
(ns)
no-relocs: buffers=1024: old= 660928 + -76.5*reloc, lut= 667962 + -86.1*reloc
(ns)
no-relocs: buffers=2048: old= 689709 + 79.9*reloc, lut= 683225 + 77.5*reloc
(ns)
Mon Apr 28 14:44:33 EDT 2014
Reproduce steps:
----------------------------
1. ./gem_exec_lut_handle</pre>
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