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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - [BYT] System fail to enter package c6 using 2014Q1 release kernel ver 3.13.6"
href="https://bugs.freedesktop.org/show_bug.cgi?id=76542#c6">Comment # 6</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW --- - [BYT] System fail to enter package c6 using 2014Q1 release kernel ver 3.13.6"
href="https://bugs.freedesktop.org/show_bug.cgi?id=76542">bug 76542</a>
from <span class="vcard"><a class="email" href="mailto:wendy.wang@intel.com" title="wendy.wang@intel.com">wendy.wang@intel.com</a>
</span></b>
<pre>We do have igt test to cover PC6.
Run the latest version of igt pm_rc6_residency case, the result is PASS.
IGT-Version: 1.6-gd71add5 (x86_64) (Linux:
3.15.0-rc3_drm-intel-nightly_f79ba7_20140519+ x86_64)
Test pc6 using turbostat tool, still did not see Baytrail enter PC6.
Kernel:Linux x-byt06 3.15.0-rc3_drm-intel-nightly_f79ba7_20140519+ #2774 SMP
Mon May 19 11:24:27 CST 2014 x86_64 x86_64 x86_64 GNU/Linux
cor CPU %c0 GHz TSC SMI %c1 %c3 %c6 CTMP %pc3 %pc6
0.18 1.00 2.00 0 1.07 0.00 98.75 37 0.00 0.00
0 0 0.32 1.02 2.00 0 2.00 0.00 97.68 37 0.00 0.00
1 1 0.04 0.88 2.00 0 0.14 0.00 99.82 37
cor CPU %c0 GHz TSC SMI %c1 %c3 %c6 CTMP %pc3 %pc6
0.15 0.70 2.00 0 0.21 0.00 99.63 37 0.00 0.00
0 0 0.26 0.69 2.00 0 0.32 0.00 99.42 37 0.00 0.00
1 1 0.05 0.81 2.00 0 0.11 0.00 99.84 37
cor CPU %c0 GHz TSC SMI %c1 %c3 %c6 CTMP %pc3 %pc6
0.15 0.74 2.00 0 0.23 0.00 99.62 37 0.00 0.00
0 0 0.26 0.71 2.00 0 0.36 0.00 99.38 37 0.00 0.00
1 1 0.05 0.89 2.00 0 0.09 0.00 99.86 37
cor CPU %c0 GHz TSC SMI %c1 %c3 %c6 CTMP %pc3 %pc6
0.14 0.70 2.00 0 0.20 0.00 99.66 36 0.00 0.00
0 0 0.24 0.68 2.00 0 0.27 0.00 99.49 36 0.00 0.00
1 1 0.04 0.84 2.00 0 0.13 0.00 99.83 36
cor CPU %c0 GHz TSC SMI %c1 %c3 %c6 CTMP %pc3 %pc6
0.15 0.74 2.00 0 2.35 0.00 97.50 37 0.00 0.00
0 0 0.25 0.69 2.00 0 0.25 0.00 99.49 37 0.00 0.00
1 1 0.05 0.97 2.00 0 4.45 0.00 95.50 37
cor CPU %c0 GHz TSC SMI %c1 %c3 %c6 CTMP %pc3 %pc6
0.14 0.77 2.00 0 4.37 0.00 95.48 37 0.00 0.00
0 0 0.25 0.72 2.00 0 0.30 0.00 99.46 37 0.00 0.00
1 1 0.04 1.04 2.00 0 8.44 0.00 91.51 37</pre>
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