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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - [BDW Bisected]igt/gem_dummy_reloc_loop/blt causes [drm:i915_hangcheck_elapsed] *ERROR* Hangcheck timer elapsed... blitter ring idle"
href="https://bugs.freedesktop.org/show_bug.cgi?id=76304#c4">Comment # 4</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW --- - [BDW Bisected]igt/gem_dummy_reloc_loop/blt causes [drm:i915_hangcheck_elapsed] *ERROR* Hangcheck timer elapsed... blitter ring idle"
href="https://bugs.freedesktop.org/show_bug.cgi?id=76304">bug 76304</a>
from <span class="vcard"><a class="email" href="mailto:huax.lu@intel.com" title="lu hua <huax.lu@intel.com>"> <span class="fn">lu hua</span></a>
</span></b>
<pre>(In reply to <a href="show_bug.cgi?id=76304#c3">comment #3</a>)
<span class="quote">> Can you please attach the output (trace.dat) of:
>
> $ trace-cmd record -e i915 ./gem_dummy_reloc_loop --run-subtest blt</span >
/sys/kernel/debug/tracing/events/i915/filter
/sys/kernel/debug/tracing/events/*/i915/filter
IGT-Version: 1.6-gcde058a (x86_64) (Linux:
3.14.0-rc7_drm-intel-nightly_2c0d38_2
running dummy loop on render
dummy loop run on render completed
Subtest render: SUCCESS
running dummy loop on bsd
dummy loop run on bsd completed
Subtest bsd: SUCCESS
running dummy loop on blt
dummy loop run on blt completed
Subtest blt: SUCCESS
running dummy loop on vebox
Connection to x-bdw02 closed by remote host.
Connection to x-bdw02 closed.
[root@x-pk2 ~]# ssh x-bdw02
Last login: Thu Dec 12 00:01:05 2013 from luhua.sh.intel.com
[root@x-bdw02 ~]# uname -a
Linux x-bdw02 3.13.0_drm-intel-next-queued_823264_20140314_debug+ #960 SMP Fri
Mar 14 02:31:27 CST 2014 x86_64 x86_64 x86_64 GNU/Linux
[root@x-bdw02 ~]# cd /GFX/Test/Intel_gpu_tools/intel-gpu-tools/tests/
[root@x-bdw02 tests]# trace-cmd record -e i915 ./gem_dummy_reloc_loop
/sys/kernel/debug/tracing/events/i915/filter
/sys/kernel/debug/tracing/events/*/i915/filter
IGT-Version: 1.6-gcde058a (x86_64) (Linux:
3.13.0_drm-intel-next-queued_823264_20140314_debug+ x86_64)
running dummy loop on render
dummy loop run on render completed
Subtest render: SUCCESS
running dummy loop on bsd
dummy loop run on bsd completed
Subtest bsd: SUCCESS
running dummy loop on blt
dummy loop run on blt completed
Subtest blt: SUCCESS
running dummy loop on vebox
dummy loop run on vebox completed
Subtest vebox: SUCCESS
running dummy loop on random rings
dummy loop run on random rings completed
Subtest mixed: SUCCESS
Kernel buffer statistics:
Note: "entries" are the entries left in the kernel ring buffer and are not
recorded in the trace data. They should all be zero.
CPU: 0
entries: 0
overrun: 0
commit overrun: 0
bytes: 3868
oldest event ts: 522.073751
now ts: 522.154184
dropped events: 0
read events: 68516225
CPU: 1
entries: 0
overrun: 0
commit overrun: 0
bytes: 1800
oldest event ts: 521.657562
now ts: 522.154479
dropped events: 0
read events: 6934134
CPU: 2
entries: 0
overrun: 0
commit overrun: 0
bytes: 304
oldest event ts: 520.351796
now ts: 522.154750
dropped events: 0
read events: 15421150
CPU: 3
entries: 0
overrun: 0
commit overrun: 0
bytes: 780
oldest event ts: 506.852074
now ts: 522.155017
dropped events: 0
read events: 2452128
CPU0 data recorded at offset=0x33a000
1883295744 bytes in size
CPU1 data recorded at offset=0x70747000
190619648 bytes in size
CPU2 data recorded at offset=0x7bd11000
423923712 bytes in size
CPU3 data recorded at offset=0x9515a000
67411968 bytes in size</pre>
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