[igt-dev] [PATCH i-g-t] tests/kms_chamelium: document capture audio buffer size constraints

[igt-dev] [PATCH i-g-t] tests/kms_chamelium: document capture audio buffer size constraints

[Simon Ser]

Explain why we need to choose a big enough buffer for audio capture.

Signed-off-by: Simon Ser <simon.ser@intel.com>
---
 tests/kms_chamelium.c | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/tests/kms_chamelium.c b/tests/kms_chamelium.c
index c8b6b22d7b4a..4db604d32cae 100644
--- a/tests/kms_chamelium.c
+++ b/tests/kms_chamelium.c
@@ -924,7 +924,14 @@ do_test_display_audio(data_t *data, struct chamelium_port *port,

 	/* Needs to be a multiple of 128, because that's the number of samples
 	 * we get per channel each time we receive an audio page from the
-	 * Chamelium device. */
+	 * Chamelium device.
+	 *
+	 * Additionally, this value needs to be high enough to guarantee we
+	 * capture a full period of each sine we generate. If we capture 2048
+	 * samples at a 192KHz sampling rate, we get a full period for a >94Hz
+	 * sines. For lower sampling rates, the capture duration will be
+	 * longer.
+	 */
 	channel_len = CAPTURE_SAMPLES;
 	channel = malloc(sizeof(double) * channel_len);

--
2.21.0

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[igt-dev] ✓ Fi.CI.BAT: success for tests/kms_chamelium: document capture audio buffer size constraints

[Patchwork]

== Series Details ==

Series: tests/kms_chamelium: document capture audio buffer size constraints
URL   : https://patchwork.freedesktop.org/series/60770/
State : success

== Summary ==

CI Bug Log - changes from CI_DRM_6092 -> IGTPW_2996
====================================================

Summary
-------

  **SUCCESS**

  No regressions found.

  External URL: https://patchwork.freedesktop.org/api/1.0/series/60770/revisions/1/mbox/

Known issues
------------

  Here are the changes found in IGTPW_2996 that come from known issues:

### IGT changes ###

#### Issues hit ####

  * igt@i915_selftest@live_contexts:
    - fi-skl-gvtdvm:      [PASS][1] -> [DMESG-FAIL][2] ([fdo#110235])
   [1]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_6092/fi-skl-gvtdvm/igt@i915_selftest@live_contexts.html
   [2]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_2996/fi-skl-gvtdvm/igt@i915_selftest@live_contexts.html

  * igt@i915_selftest@live_hangcheck:
    - fi-skl-iommu:       [PASS][3] -> [INCOMPLETE][4] ([fdo#108602] / [fdo#108744])
   [3]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_6092/fi-skl-iommu/igt@i915_selftest@live_hangcheck.html
   [4]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_2996/fi-skl-iommu/igt@i915_selftest@live_hangcheck.html

  
#### Possible fixes ####

  * igt@gem_exec_suspend@basic-s4-devices:
    - fi-blb-e6850:       [INCOMPLETE][5] ([fdo#107718]) -> [PASS][6]
   [5]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_6092/fi-blb-e6850/igt@gem_exec_suspend@basic-s4-devices.html
   [6]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_2996/fi-blb-e6850/igt@gem_exec_suspend@basic-s4-devices.html

  * igt@i915_selftest@live_guc:
    - fi-apl-guc:         [INCOMPLETE][7] ([fdo#103927]) -> [PASS][8]
   [7]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_6092/fi-apl-guc/igt@i915_selftest@live_guc.html
   [8]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_2996/fi-apl-guc/igt@i915_selftest@live_guc.html

  * igt@i915_selftest@live_hangcheck:
    - fi-apl-guc:         [FAIL][9] ([fdo#110623]) -> [PASS][10]
   [9]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_6092/fi-apl-guc/igt@i915_selftest@live_hangcheck.html
   [10]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_2996/fi-apl-guc/igt@i915_selftest@live_hangcheck.html

  
  [fdo#103927]: https://bugs.freedesktop.org/show_bug.cgi?id=103927
  [fdo#107718]: https://bugs.freedesktop.org/show_bug.cgi?id=107718
  [fdo#108602]: https://bugs.freedesktop.org/show_bug.cgi?id=108602
  [fdo#108744]: https://bugs.freedesktop.org/show_bug.cgi?id=108744
  [fdo#110235]: https://bugs.freedesktop.org/show_bug.cgi?id=110235
  [fdo#110623]: https://bugs.freedesktop.org/show_bug.cgi?id=110623


Participating hosts (54 -> 46)
------------------------------

  Missing    (8): fi-kbl-soraka fi-ilk-m540 fi-hsw-4200u fi-byt-squawks fi-bsw-cyan fi-ctg-p8600 fi-byt-clapper fi-bdw-samus 


Build changes
-------------

  * IGT: IGT_4994 -> IGTPW_2996

  CI_DRM_6092: aff6826a227752600fca7e1f66adfbf51606d51e @ git://anongit.freedesktop.org/gfx-ci/linux
  IGTPW_2996: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_2996/
  IGT_4994: 555019f862c35f1619627761d6da21385be40920 @ git://anongit.freedesktop.org/xorg/app/intel-gpu-tools

== Logs ==

For more details see: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_2996/
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Re: [igt-dev] [PATCH i-g-t] tests/kms_chamelium: document capture audio buffer size constraints

[Martin Peres]

On 17/05/2019 13:27, Simon Ser wrote:
> Explain why we need to choose a big enough buffer for audio capture.
> 
> Signed-off-by: Simon Ser <simon.ser@intel.com>

Reviewed-by: Martin Peres <martin.peres@linux.intel.com>
> ---
>  tests/kms_chamelium.c | 9 ++++++++-
>  1 file changed, 8 insertions(+), 1 deletion(-)
> 
> diff --git a/tests/kms_chamelium.c b/tests/kms_chamelium.c
> index c8b6b22d7b4a..4db604d32cae 100644
> --- a/tests/kms_chamelium.c
> +++ b/tests/kms_chamelium.c
> @@ -924,7 +924,14 @@ do_test_display_audio(data_t *data, struct chamelium_port *port,
> 
>  	/* Needs to be a multiple of 128, because that's the number of samples
>  	 * we get per channel each time we receive an audio page from the
> -	 * Chamelium device. */
> +	 * Chamelium device.
> +	 *
> +	 * Additionally, this value needs to be high enough to guarantee we
> +	 * capture a full period of each sine we generate. If we capture 2048
> +	 * samples at a 192KHz sampling rate, we get a full period for a >94Hz
> +	 * sines. For lower sampling rates, the capture duration will be
> +	 * longer.
> +	 */
>  	channel_len = CAPTURE_SAMPLES;
>  	channel = malloc(sizeof(double) * channel_len);
> 
> --
> 2.21.0
> 
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[igt-dev] ✓ Fi.CI.IGT: success for tests/kms_chamelium: document capture audio buffer size constraints

[Patchwork]

== Series Details ==

Series: tests/kms_chamelium: document capture audio buffer size constraints
URL   : https://patchwork.freedesktop.org/series/60770/
State : success

== Summary ==

CI Bug Log - changes from CI_DRM_6092_full -> IGTPW_2996_full
====================================================

Summary
-------

  **SUCCESS**

  No regressions found.

  External URL: https://patchwork.freedesktop.org/api/1.0/series/60770/revisions/1/mbox/

Known issues
------------

  Here are the changes found in IGTPW_2996_full that come from known issues:

### IGT changes ###

#### Issues hit ####

  * igt@gem_tiled_swapping@non-threaded:
    - shard-iclb:         [PASS][1] -> [FAIL][2] ([fdo#108686])
   [1]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_6092/shard-iclb6/igt@gem_tiled_swapping@non-threaded.html
   [2]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_2996/shard-iclb6/igt@gem_tiled_swapping@non-threaded.html
    - shard-hsw:          [PASS][3] -> [INCOMPLETE][4] ([fdo#103540])
   [3]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_6092/shard-hsw4/igt@gem_tiled_swapping@non-threaded.html
   [4]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_2996/shard-hsw1/igt@gem_tiled_swapping@non-threaded.html

  * igt@kms_cursor_legacy@cursora-vs-flipa-atomic-transitions-varying-size:
    - shard-snb:          [PASS][5] -> [SKIP][6] ([fdo#109271])
   [5]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_6092/shard-snb7/igt@kms_cursor_legacy@cursora-vs-flipa-atomic-transitions-varying-size.html
   [6]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_2996/shard-snb2/igt@kms_cursor_legacy@cursora-vs-flipa-atomic-transitions-varying-size.html

  * igt@kms_frontbuffer_tracking@fbc-1p-primscrn-cur-indfb-move:
    - shard-iclb:         [PASS][7] -> [FAIL][8] ([fdo#103167]) +3 similar issues
   [7]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_6092/shard-iclb3/igt@kms_frontbuffer_tracking@fbc-1p-primscrn-cur-indfb-move.html
   [8]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_2996/shard-iclb2/igt@kms_frontbuffer_tracking@fbc-1p-primscrn-cur-indfb-move.html

  * igt@kms_psr@psr2_sprite_blt:
    - shard-iclb:         [PASS][9] -> [SKIP][10] ([fdo#109441]) +1 similar issue
   [9]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_6092/shard-iclb2/igt@kms_psr@psr2_sprite_blt.html
   [10]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_2996/shard-iclb3/igt@kms_psr@psr2_sprite_blt.html

  * igt@kms_vblank@pipe-c-ts-continuation-suspend:
    - shard-apl:          [PASS][11] -> [DMESG-WARN][12] ([fdo#108566]) +3 similar issues
   [11]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_6092/shard-apl7/igt@kms_vblank@pipe-c-ts-continuation-suspend.html
   [12]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_2996/shard-apl6/igt@kms_vblank@pipe-c-ts-continuation-suspend.html

  * igt@perf@short-reads:
    - shard-kbl:          [PASS][13] -> [FAIL][14] ([fdo#103183])
   [13]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_6092/shard-kbl2/igt@perf@short-reads.html
   [14]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_2996/shard-kbl1/igt@perf@short-reads.html

  
#### Possible fixes ####

  * igt@gem_eio@in-flight-suspend:
    - shard-kbl:          [FAIL][15] ([fdo#110667]) -> [PASS][16]
   [15]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_6092/shard-kbl3/igt@gem_eio@in-flight-suspend.html
   [16]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_2996/shard-kbl2/igt@gem_eio@in-flight-suspend.html
    - shard-glk:          [FAIL][17] ([fdo#110667]) -> [PASS][18]
   [17]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_6092/shard-glk9/igt@gem_eio@in-flight-suspend.html
   [18]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_2996/shard-glk7/igt@gem_eio@in-flight-suspend.html

  * igt@i915_suspend@sysfs-reader:
    - shard-apl:          [DMESG-WARN][19] ([fdo#108566]) -> [PASS][20] +5 similar issues
   [19]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_6092/shard-apl6/igt@i915_suspend@sysfs-reader.html
   [20]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_2996/shard-apl5/igt@i915_suspend@sysfs-reader.html

  * igt@kms_flip@2x-dpms-vs-vblank-race-interruptible:
    - shard-hsw:          [DMESG-WARN][21] ([fdo#102614]) -> [PASS][22] +2 similar issues
   [21]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_6092/shard-hsw5/igt@kms_flip@2x-dpms-vs-vblank-race-interruptible.html
   [22]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_2996/shard-hsw1/igt@kms_flip@2x-dpms-vs-vblank-race-interruptible.html

  * igt@kms_frontbuffer_tracking@fbcpsr-1p-primscrn-pri-indfb-draw-blt:
    - shard-iclb:         [FAIL][23] ([fdo#103167]) -> [PASS][24] +6 similar issues
   [23]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_6092/shard-iclb2/igt@kms_frontbuffer_tracking@fbcpsr-1p-primscrn-pri-indfb-draw-blt.html
   [24]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_2996/shard-iclb1/igt@kms_frontbuffer_tracking@fbcpsr-1p-primscrn-pri-indfb-draw-blt.html

  * igt@kms_frontbuffer_tracking@fbcpsr-1p-rte:
    - shard-iclb:         [FAIL][25] ([fdo#103167] / [fdo#110378]) -> [PASS][26]
   [25]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_6092/shard-iclb2/igt@kms_frontbuffer_tracking@fbcpsr-1p-rte.html
   [26]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_2996/shard-iclb4/igt@kms_frontbuffer_tracking@fbcpsr-1p-rte.html

  * igt@kms_mmap_write_crc@main:
    - shard-hsw:          [DMESG-FAIL][27] ([fdo#102614]) -> [PASS][28]
   [27]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_6092/shard-hsw5/igt@kms_mmap_write_crc@main.html
   [28]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_2996/shard-hsw1/igt@kms_mmap_write_crc@main.html

  * igt@kms_plane_lowres@pipe-a-tiling-x:
    - shard-iclb:         [FAIL][29] ([fdo#103166]) -> [PASS][30]
   [29]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_6092/shard-iclb1/igt@kms_plane_lowres@pipe-a-tiling-x.html
   [30]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_2996/shard-iclb8/igt@kms_plane_lowres@pipe-a-tiling-x.html

  * igt@kms_psr@psr2_cursor_mmap_cpu:
    - shard-iclb:         [SKIP][31] ([fdo#109441]) -> [PASS][32] +1 similar issue
   [31]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_6092/shard-iclb4/igt@kms_psr@psr2_cursor_mmap_cpu.html
   [32]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_2996/shard-iclb2/igt@kms_psr@psr2_cursor_mmap_cpu.html

  * igt@kms_sysfs_edid_timing:
    - shard-iclb:         [FAIL][33] ([fdo#100047]) -> [PASS][34]
   [33]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_6092/shard-iclb3/igt@kms_sysfs_edid_timing.html
   [34]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_2996/shard-iclb6/igt@kms_sysfs_edid_timing.html

  * igt@kms_vblank@pipe-b-ts-continuation-suspend:
    - shard-kbl:          [DMESG-WARN][35] ([fdo#108566]) -> [PASS][36] +2 similar issues
   [35]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_6092/shard-kbl7/igt@kms_vblank@pipe-b-ts-continuation-suspend.html
   [36]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_2996/shard-kbl2/igt@kms_vblank@pipe-b-ts-continuation-suspend.html

  * igt@perf_pmu@rc6-runtime-pm-long:
    - shard-apl:          [FAIL][37] ([fdo#105010]) -> [PASS][38]
   [37]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_6092/shard-apl8/igt@perf_pmu@rc6-runtime-pm-long.html
   [38]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_2996/shard-apl1/igt@perf_pmu@rc6-runtime-pm-long.html

  
#### Warnings ####

  * igt@gem_mmap_gtt@forked-big-copy-xy:
    - shard-iclb:         [TIMEOUT][39] ([fdo#109673]) -> [INCOMPLETE][40] ([fdo#107713] / [fdo#109100]) +1 similar issue
   [39]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_6092/shard-iclb2/igt@gem_mmap_gtt@forked-big-copy-xy.html
   [40]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_2996/shard-iclb1/igt@gem_mmap_gtt@forked-big-copy-xy.html

  
  {name}: This element is suppressed. This means it is ignored when computing
          the status of the difference (SUCCESS, WARNING, or FAILURE).

  [fdo#100047]: https://bugs.freedesktop.org/show_bug.cgi?id=100047
  [fdo#102614]: https://bugs.freedesktop.org/show_bug.cgi?id=102614
  [fdo#103166]: https://bugs.freedesktop.org/show_bug.cgi?id=103166
  [fdo#103167]: https://bugs.freedesktop.org/show_bug.cgi?id=103167
  [fdo#103183]: https://bugs.freedesktop.org/show_bug.cgi?id=103183
  [fdo#103540]: https://bugs.freedesktop.org/show_bug.cgi?id=103540
  [fdo#105010]: https://bugs.freedesktop.org/show_bug.cgi?id=105010
  [fdo#107713]: https://bugs.freedesktop.org/show_bug.cgi?id=107713
  [fdo#108566]: https://bugs.freedesktop.org/show_bug.cgi?id=108566
  [fdo#108686]: https://bugs.freedesktop.org/show_bug.cgi?id=108686
  [fdo#109100]: https://bugs.freedesktop.org/show_bug.cgi?id=109100
  [fdo#109271]: https://bugs.freedesktop.org/show_bug.cgi?id=109271
  [fdo#109441]: https://bugs.freedesktop.org/show_bug.cgi?id=109441
  [fdo#109673]: https://bugs.freedesktop.org/show_bug.cgi?id=109673
  [fdo#110378]: https://bugs.freedesktop.org/show_bug.cgi?id=110378
  [fdo#110667]: https://bugs.freedesktop.org/show_bug.cgi?id=110667


Participating hosts (10 -> 6)
------------------------------

  Missing    (4): pig-skl-6260u shard-skl pig-hsw-4770r pig-glk-j5005 


Build changes
-------------

  * IGT: IGT_4994 -> IGTPW_2996
  * Piglit: piglit_4509 -> None

  CI_DRM_6092: aff6826a227752600fca7e1f66adfbf51606d51e @ git://anongit.freedesktop.org/gfx-ci/linux
  IGTPW_2996: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_2996/
  IGT_4994: 555019f862c35f1619627761d6da21385be40920 @ git://anongit.freedesktop.org/xorg/app/intel-gpu-tools
  piglit_4509: fdc5a4ca11124ab8413c7988896eec4c97336694 @ git://anongit.freedesktop.org/piglit

== Logs ==

For more details see: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_2996/
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