[Bug 102480] [IGT] [APL] igt at perf@oa-exponents assertion: timestamp_delta == expected_timestamp_delta

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=102480

--- Comment #6 from Hector Velazquez <hector.franciscox.velazquez.suriano at intel.com> ---
The following tests FAIL on SKL 

Tests List:

igt at perf@oa-exponents



======================================
        Output
======================================
...
(perf:1478) DEBUG: read report: reason = 360ea01b, timestamp = 9294ed60,
exponent mask=3f
(perf:1478) DEBUG: ITER 1: time delta = 5333(ns) clock delta = 2399 freq =
449(mhz)
(perf:1478) DEBUG: ITER 2: testing OA exponent 5 (period = 5333ns) with sysfs
GT freq = 450mhz +- 45
(perf:1478) DEBUG: read restart: OA trigger collision / report lost
(perf:1478) DEBUG: read restart: OA trigger collision / report lost
(perf:1478) DEBUG: read report: reason = 360ea01b, timestamp = 9297e560,
exponent mask=3f
(perf:1478) DEBUG: read report: reason = 360ea01b, timestamp = 9297e5a0,
exponent mask=3f
(perf:1478) DEBUG: ITER 2: time delta = 5333(ns) clock delta = 2394 freq =
448(mhz)
(perf:1478) DEBUG: ITER 3: testing OA exponent 5 (period = 5333ns) with sysfs
GT freq = 450mhz +- 45
(perf:1478) DEBUG: read restart: OA trigger collision / report lost
(perf:1478) DEBUG: read restart: OA trigger collision / report lost
(perf:1478) DEBUG: read report: reason = 360ea01b, timestamp = 929bd360,
exponent mask=3f
(perf:1478) DEBUG: read report: reason = 360ea01b, timestamp = 929bd460,
exponent mask=3f
(perf:1478) DEBUG: timestamp0 = 2459685728/0x929bd360
(perf:1478) DEBUG: timestamp1 = 2459685984/0x929bd460
(perf:1478) CRITICAL: Test assertion failure function test_oa_exponents, file
perf.c:1482:
(perf:1478) CRITICAL: Failed assertion: timestamp_delta ==
expected_timestamp_delta
(perf:1478) CRITICAL: error: 256 != 64
(perf:1478) igt-core-INFO: Stack trace:
(perf:1478) igt-core-INFO:   #0 [__igt_fail_assert+0x101]
(perf:1478) igt-core-INFO:   #1 [test_oa_exponents+0x35d]
(perf:1478) igt-core-INFO:   #2 [<unknown>+0x35d]
****  END  ****
Stack trace:
  #0 [__igt_fail_assert+0x101]
  #1 [test_oa_exponents+0x35d]
  #2 [<unknown>+0x35d]
Subtest oa-exponents: FAIL (0.104s)
(perf:1478) DEBUG: restoring GT frequency range: min = 350mhz, max =950mhz,
current: min=450mhz, max=450mhz
(perf:1478) igt-core-DEBUG: Exiting with status code 99


This is my configuration:

======================================
        Graphic stack
======================================

Component: drm
    tag: libdrm-2.4.81-52-g05a830d
    commit: 05a830d382382905d87b55af90aa109fb76e4c16

Component: cairo
    tag: 1.15.6-30-gc29db4f
    commit: c29db4f0de52727406a8b62f4da9a382084b5a79

Component: intel-gpu-tools
    tag: intel-gpu-tools-1.19-234-g490b386
    commit: 490b386ae36d393cdea514882a2437c6e964c13f

Component: piglit
    tag: piglit-v1
    commit: dab15137044c34023b1a843e72e781b03b17548b

======================================
             Software
======================================
kernel version              : 4.13.0-drm-tip-ww36-commit-9dd459e+
hostname                    : gfx-desktop
architecture                : x86_64
os version                  : Ubuntu 16.10
os codename                 : yakkety
kernel driver               : i915
bios revision               : 5.6
bios release date           : 09/29/2016
hardware acceleration       : only available on X
swap partition              : enabled on (/dev/sda3)

======================================
        Graphic drivers
======================================
libdrm                      : 2.4.83
cairo                       : 1.15.9
intel-gpu-tools (tag)       : intel-gpu-tools-1.19-234-g490b386
intel-gpu-tools (commit)    : 490b386

======================================
             Firmware
======================================
dmc fw loaded             : yes
dmc version               : 1.26
guc fw loaded             : SUCCESS
guc version wanted        : 6.1
guc version found         : 6.1
huc fw loaded             : yes

======================================
             kernel parameters
======================================
quiet splash drm.debug=0x1e i915.enable_guc_submission=2
i915.enable_guc_loading=2 i915.alpha_support=1

======================================
             Hardware
======================================
platform                   : Skylake Canyon
motherboard id             : NUC6i7KYB
form factor                : Desktop
cpu family                 : Core i7
cpu family id              : 6
cpu information            : Intel(R) Core(TM) i7-6770HQ CPU @ 2.60GHz
gpu card                   : Intel Corporation Iris Pro Graphics 580 (rev 09)
(prog-if 00 [VGA controller])
memory ram                 : 31.31 GB
max memory ram             : 32 GB
cpu thread                 : 8
cpu core                   : 4
cpu model                  : 94
cpu stepping               : 3
socket                     : Other
signature                  : Type 0, Family 6, Model 94, Stepping 3
hard drive                 : 223GiB (240GB)
current cd clock frequency : 337500 kHz
maximum cd clock frequency : 675000 kHz
displays connected         : DP-1 DP-3

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