[Bug 94721] New: [APL] Init time is high
bugzilla-daemon at freedesktop.org
bugzilla-daemon at freedesktop.org
Sun Mar 27 10:08:33 UTC 2016
https://bugs.freedesktop.org/show_bug.cgi?id=94721
Bug ID: 94721
Summary: [APL] Init time is high
Product: DRI
Version: unspecified
Hardware: x86-64 (AMD64)
OS: Linux (All)
Status: NEW
Severity: critical
Priority: medium
Component: DRM/Intel
Assignee: intel-gfx-bugs at lists.freedesktop.org
Reporter: christophe.prigent at intel.com
QA Contact: intel-gfx-bugs at lists.freedesktop.org
CC: intel-gfx-bugs at lists.freedesktop.org
Created attachment 122584
--> https://bugs.freedesktop.org/attachment.cgi?id=122584&action=edit
kern.log
Platform: Broxton P A0 Platform
CPU Name : Intel(R) @ 1.2 GHz (family: 6, model: 92, stepping: 8) – 4 cores
SoC : BROXTON-P A0
QDF : QYE2
CRB : Apollo Lake RVPC1 Fab1
Mandatory Reworks : R14 , R06C and R16
Software
APLKRVPA.X64.0116.R20.1512211905
KSC: 1.05
Linux distribution: Ubuntu 15.10 64 bits
Kernel: drm-intel-nightly 4.5.0 e7a7673 from
http://cgit.freedesktop.org/drm-intel/
commit e7a7673e9840fe8b50a5a2894c75565ec7858a00
Author: Daniel Vetter <daniel.vetter at ffwll.ch>
Date: Sat Mar 19 11:10:45 2016 +0100
drm-intel-nightly: 2016y-03m-19d-10h-09m-53s UTC integration manifest
libdrm-2.4.67-7 49041c3 from git://anongit.freedesktop.org/mesa/drm
mesa: mesa-11.1.2 7bcd827 from git://anongit.freedesktop.org/mesa/mesa
git://anongit.freedesktop.org/cairo
cairo: 1.15.2 db8a7f1 from git://anongit.freedesktop.org/cairo
waffle: bb29b2a from git://github.com/waffle-gl/waffle
util-macros-1.19.0-2 d7acec2 from
git://git.freedesktop.org/git/xorg/util/macros
xorg-server-1.18.1 23e60f9 from git://git.freedesktop.org/git/xorg/xserver
xf86-video-intel 2.99.917-560 d167280 from
git://anongit.freedesktop.org/xorg/driver/xf86-video-intel
libva-1.7.0.pre1 35f1447 from git://git.freedesktop.org/git/vaapi/libva
vaapi-intel-driver 1.7.0.pre1 ab8e4e3 from
git://anongit.freedesktop.org/vaapi/intel-driver
DMC 1.4 from: https://01.org/linuxgraphics/intel-linux-graphics-firmwares
intel-gpu-tools-1.14 c19b049 from
http://anongit.freedesktop.org/git/xorg/app/intel-gpu-tools.git
Steps:
-------
1. Boot
2. Execute command:
dmesg |grep i915_init
3. Suspend to RAM with:
sudo -s
echo mem > /sys/power/state
Wait 30 seconds
Resume with keyboard
4. Execute command:
dmesg |grep "call 0000:00:02.0+ returned 0 after"
Actual result:
-------------
2. Init: 1.101 secs
4. Suspend: 56.725 msecs
Resume: 332.499 msecs
Expected result:
----------------
2. Init: 62.5 ms
4. Suspend and resume: 187.5 ms
Logs:
-----
Init:
[ 1.648257] initcall i915_init+0x0/0x9b [i915] returned 0 after 1101243
usecs
Suspend:
[ 74.847170] call 0000:00:02.0+ returned 0 after 56725 usecs
[ 74.860581] PM: freeze of devices complete after 71.944 msecs
Resume:
[ 74.884550] call 0000:00:02.0+ returned 0 after 23263 usecs
[ 74.884954] call 0000:00:02.0+ returned 0 after 0 usecs
[ 74.916955] call 0000:00:02.0+ returned 0 after 15447 usecs
[ 74.933005] call 0000:00:02.0+ returned 0 after 15590 usecs
[ 75.300938] call 0000:00:02.0+ returned 0 after 332499 usecs
[ 76.009172] PM: restore of devices complete after 1048.769 msecs
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