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<body><span class="vcard"><a class="email" href="mailto:hengx.ding@intel.com" title="Ding Heng <hengx.ding@intel.com>"> <span class="fn">Ding Heng</span></a>
</span> changed
<a class="bz_bug_link
bz_status_NEW "
title="NEW - [BSW bisected] OglGSCloth/Lightsmark/CS/ Portal/ Half Life 2 games performance decreased by 15%-45%"
href="https://bugs.freedesktop.org/show_bug.cgi?id=90112">bug 90112</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>NEEDINFO
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<td>NEW
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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - [BSW bisected] OglGSCloth/Lightsmark/CS/ Portal/ Half Life 2 games performance decreased by 15%-45%"
href="https://bugs.freedesktop.org/show_bug.cgi?id=90112#c42">Comment # 42</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - [BSW bisected] OglGSCloth/Lightsmark/CS/ Portal/ Half Life 2 games performance decreased by 15%-45%"
href="https://bugs.freedesktop.org/show_bug.cgi?id=90112">bug 90112</a>
from <span class="vcard"><a class="email" href="mailto:hengx.ding@intel.com" title="Ding Heng <hengx.ding@intel.com>"> <span class="fn">Ding Heng</span></a>
</span></b>
<pre>(In reply to Eero Tamminen from <a href="show_bug.cgi?id=90112#c41">comment #41</a>)
<span class="quote">> On BSW, it's probably better to do testing of this kind of issues also with
> ACPI ondemand governor, in case issue is related to process scheduler /
> power management.
>
> Please test performance of the problematic commit and commit preceeding it
> after booting kernel with following kernel bootup option:
> "intel_pstate=disable". How large the BSW perf difference is with that
> configuration?</span >
On BSW, there is still about 17% performance difference between the first bad
commit and its parent commit. Seems adding intel_pstate=disable in kernel
option didn't make any difference.</pre>
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