[RESEND PATCH v6 00/14] drm/trace: Mirror DRM debug logs to tracefs

[Pekka Paalanen]

On Wed, 21 Jul 2021 13:55:07 -0400
Sean Paul <sean at poorly.run> wrote:

> From: Sean Paul <seanpaul at chromium.org>
> 
> Hi all,
> I just had the pleasure of rebasing this set on our CrOS downstream
> kernel and wanted to resend it for consideration once again. There
> hasn't been any resistence to the set AFAIK, just perhaps not enough
> motivation for anyone to hit the go bit. There was some interest from
> the msm folks about a month ago, and it has been an invaluable tool
> on CrOS for the past ~year. Hopefully someone can dig into this and
> provide some feedback so we can move this forward.
> 
> Thanks!
> 
> Sean
> 
> Changes since last v6:
> -Rebased on drm-tip
> 
> Original v6 of the set available here:
> https://patchwork.freedesktop.org/series/78133/
> https://lore.kernel.org/dri-devel/20200818210510.49730-1-sean@poorly.run/
> 

Woo! Yes!

Do you have a link to your userspace?

You wouldn't happen to have already written a privileged userspace
service that would deliver on request the logs to non-privileged actors
like a compositor to be dumped in an error report?


Thanks,
pq

> Sean Paul (14):
>   drm/mipi_dbi: Convert pr_debug calls to DRM_DEBUG_DRIVER
>   drm/sil164: Convert dev_printk to drm_dev_dbg
>   drm/i915/utils: Replace dev_printk with drm helpers
>   drm/msm/dpu: Replace definitions for dpu debug macros
>   drm/print: rename drm_debug* to be more syslog-centric
>   drm/amd: Gate i2c transaction logs on drm_debug_syslog
>   drm/etnaviv: Change buffer dump checks to target syslog
>   drm/nouveau: Change debug checks to specifically target syslog
>   drm/i915: Change infoframe debug checks to specify syslog
>   drm/print: Add drm_debug_category_printer
>   drm/mst: Convert debug printers to debug category printers
>   drm/i915: Use debug category printer for welcome message
>   drm/atomic: Use debug category printer for atomic state printer
>   drm/print: Add tracefs support to the drm logging helpers
> 
>  Documentation/gpu/drm-uapi.rst               |   6 +
>  drivers/gpu/drm/amd/amdgpu/smu_v11_0_i2c.c   |   4 +-
>  drivers/gpu/drm/drm_atomic_uapi.c            |   2 +-
>  drivers/gpu/drm/drm_dp_mst_topology.c        |   9 +-
>  drivers/gpu/drm/drm_drv.c                    |   3 +
>  drivers/gpu/drm/drm_mipi_dbi.c               |   8 +-
>  drivers/gpu/drm/drm_print.c                  | 242 ++++++++++++++++---
>  drivers/gpu/drm/etnaviv/etnaviv_buffer.c     |   8 +-
>  drivers/gpu/drm/i2c/sil164_drv.c             |  12 +-
>  drivers/gpu/drm/i915/display/intel_display.c |   4 +-
>  drivers/gpu/drm/i915/i915_drv.c              |   3 +-
>  drivers/gpu/drm/i915/i915_utils.c            |   5 +-
>  drivers/gpu/drm/msm/disp/dpu1/dpu_kms.h      |  20 +-
>  drivers/gpu/drm/nouveau/nouveau_drv.h        |   4 +-
>  include/drm/drm_print.h                      |  96 +++++++-
>  15 files changed, 331 insertions(+), 95 deletions(-)
> 

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