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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - [All] Performance degradation due to fence contention with igt/gem_fence_upload"
href="https://bugs.freedesktop.org/show_bug.cgi?id=80079#c76">Comment # 76</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - [All] Performance degradation due to fence contention with igt/gem_fence_upload"
href="https://bugs.freedesktop.org/show_bug.cgi?id=80079">bug 80079</a>
from <span class="vcard"><a class="email" href="mailto:hector.franciscox.velazquez.suriano@intel.com" title="Hector Velazquez <hector.franciscox.velazquez.suriano@intel.com>"> <span class="fn">Hector Velazquez</span></a>
</span></b>
<pre>This test are failing on CFL-S-1 QA
Tests List:
igt@gem_fence_upload@performance
igt@gem_fence_upload@thread-performance-write
====================================================
Output
====================================================
. . .
**** DEBUG ****
(gem_fence_upload:4406) drmtest-DEBUG: Test requirement passed: !(fd<0)
(gem_fence_upload:4406) igt-debugfs-DEBUG: Opening debugfs directory
'/sys/kernel/debug/dri/0'
(gem_fence_upload:4406) DEBUG: Test requirement passed: num_fences > 0
(gem_fence_upload:4406) INFO: Upload rate for 2 linear surfaces, 2 threads:
4177.000MiB/s
(gem_fence_upload:4406) INFO: Upload rate for 2 tiled surfaces, 2 threads:
8443.272MiB/s
(gem_fence_upload:4406) INFO: Upload rate for 4 linear surfaces, 4 threads:
7117.438MiB/s
(gem_fence_upload:4406) INFO: Upload rate for 4 tiled surfaces, 4 threads:
7521.448MiB/s
(gem_fence_upload:4406) INFO: Upload rate for 8 linear surfaces, 8 threads:
7743.497MiB/s
(gem_fence_upload:4406) INFO: Upload rate for 8 tiled surfaces, 8 threads:
7834.976MiB/s
(gem_fence_upload:4406) INFO: Upload rate for 16 linear surfaces, 16 threads:
7957.972MiB/s
(gem_fence_upload:4406) INFO: Upload rate for 16 tiled surfaces, 16 threads:
7929.870MiB/s
(gem_fence_upload:4406) INFO: Upload rate for 32 linear surfaces, 32 threads:
7980.299MiB/s
(gem_fence_upload:4406) INFO: Upload rate for 32 tiled surfaces, 32 threads:
7927.660MiB/s
(gem_fence_upload:4406) INFO: Upload rate for 64 linear surfaces, 64 threads:
8036.478MiB/s
(gem_fence_upload:4406) INFO: Upload rate for 64 tiled surfaces, 64 threads:
1473.776MiB/s
(gem_fence_upload:4406) CRITICAL: Test assertion failure function
thread_performance, file gem_fence_upload.c:242:
(gem_fence_upload:4406) CRITICAL: Failed assertion: tiled[1] > 0.75 * tiled[0]
(gem_fence_upload:4406) igt-core-INFO: Stack trace:
(gem_fence_upload:4406) igt-core-INFO: #0 [__igt_fail_assert+0x101]
(gem_fence_upload:4406) igt-core-INFO: #1 [thread_performance+0x6fa]
(gem_fence_upload:4406) igt-core-INFO: #2 [__real_main389+0x4fa]
(gem_fence_upload:4406) igt-core-INFO: #3 [main+0x23]
(gem_fence_upload:4406) igt-core-INFO: #4 [__libc_start_main+0xf1]
(gem_fence_upload:4406) igt-core-INFO: #5 [_start+0x29]
(gem_fence_upload:4406) igt-core-INFO: #6 [<unknown>+0x29]
**** END ****
. . .
This is my configuration:
======================================
Graphic stack
======================================
Component: drm
tag: libdrm-2.4.81-56-g7c71188
commit: 7c71188610b4ceba0339c2bc884320bcb749adee
Component: cairo
tag: 1.15.6-42-gdccbed7
commit: dccbed7d78d32bd3b912e8810379451dd94e6a1f
Component: intel-gpu-tools
tag: intel-gpu-tools-1.19-334-g2885b10
commit: 2885b10f99b4beeb046e75af8b8488c229f629d3
Component: piglit
tag: piglit-v1
commit: e1f66fb2fb8ad781ca755831983b6662c4c440d4
======================================
Software
======================================
kernel version : 4.14.0-rc2-drm-tip-ww39-commit-85932e1+
hostname : CFL-S-1
architecture : x86_64
os version : Ubuntu 16.10
os codename : yakkety
kernel driver : i915
bios revision : 104.3
bios release date : 09/14/2017
ksc : 1.5
hardware acceleration : disabled
swap partition : enabled on (/dev/sda3
/dev/nvme0n1p3)
======================================
Graphic drivers
======================================
libdrm : 2.4.83
cairo : 1.15.9
intel-gpu-tools (tag) : intel-gpu-tools-1.19-334-g2885b10
intel-gpu-tools (commit) : 2885b10
======================================
Hardware
======================================
motherboard model : CoffeeLakeClientPlatform
motherboard id : CoffeeLakeSUDIMMRVP
form factor : Desktop
manufacturer : IntelCorporation
cpu family : Other
cpu family id : 6
cpu information : Genuine Intel(R) CPU 0000 @ 3.60GHz
gpu card : Intel Corporation Device 3e92 (prog-if 00 [VGA
controller])
memory ram : 15.58 GB
max memory ram : 32 GB
cpu thread : 12
cpu core : 6
cpu model : 158
cpu stepping : 10
socket : Other
hard drive : 111GiB (120GB)
current cd clock frequency : 337500 kHz
maximum cd clock frequency : 675000 kHz
displays connected : eDP-1 DP-1
======================================
Firmware
======================================
dmc fw loaded : yes
dmc version : 1.1
guc fw loaded : SUCCESS
guc version wanted : 9.14
guc version found : 9.14
======================================
kernel parameters
======================================
quiet drm.debug=0xe pci=pcie_bus_safe intel_iommu=igfx_off auto panic=1
nmi_watchdog=panic i915.alpha_support=1 i915.enable_guc_loading=2
i915.enable_guc_submission=2 resume=/dev/sda3 fastboot</pre>
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