Re: [PATCH v4] drm/trace: Buffer DRM logs in a ringbuffer accessible via debugfs

2020-01-27 Thread Daniel Vetter
On Wed, Jan 22, 2020 at 10:39:15AM -0500, Sean Paul wrote: > On Wed, Jan 22, 2020 at 3:06 AM Daniel Vetter wrote: > > > > On Mon, Jan 20, 2020 at 01:56:21PM -0500, Steven Rostedt wrote: > > > On Thu, 16 Jan 2020 07:27:22 +0100 > > > Daniel Vetter wrote: > > > > > > > On Tue, Jan 14, 2020 at 12:21

Re: [PATCH v4] drm/trace: Buffer DRM logs in a ringbuffer accessible via debugfs

2020-01-22 Thread Sean Paul
On Wed, Jan 22, 2020 at 3:06 AM Daniel Vetter wrote: > > On Mon, Jan 20, 2020 at 01:56:21PM -0500, Steven Rostedt wrote: > > On Thu, 16 Jan 2020 07:27:22 +0100 > > Daniel Vetter wrote: > > > > > On Tue, Jan 14, 2020 at 12:21:43PM -0500, Sean Paul wrote: > > > > From: Sean Paul > > > > > > > > Th

Re: [PATCH v4] drm/trace: Buffer DRM logs in a ringbuffer accessible via debugfs

2020-01-22 Thread Daniel Vetter
On Mon, Jan 20, 2020 at 01:56:21PM -0500, Steven Rostedt wrote: > On Thu, 16 Jan 2020 07:27:22 +0100 > Daniel Vetter wrote: > > > On Tue, Jan 14, 2020 at 12:21:43PM -0500, Sean Paul wrote: > > > From: Sean Paul > > > > > > This patch uses a ring_buffer to keep a "flight recorder" (name credit

Re: [PATCH v4] drm/trace: Buffer DRM logs in a ringbuffer accessible via debugfs

2020-01-20 Thread Steven Rostedt
On Thu, 16 Jan 2020 07:27:22 +0100 Daniel Vetter wrote: > On Tue, Jan 14, 2020 at 12:21:43PM -0500, Sean Paul wrote: > > From: Sean Paul > > > > This patch uses a ring_buffer to keep a "flight recorder" (name credit > > Weston) > > of DRM logs for a specified set of debug categories. The user

Re: [PATCH v4] drm/trace: Buffer DRM logs in a ringbuffer accessible via debugfs

2020-01-15 Thread Daniel Vetter
On Tue, Jan 14, 2020 at 12:21:43PM -0500, Sean Paul wrote: > From: Sean Paul > > This patch uses a ring_buffer to keep a "flight recorder" (name credit Weston) > of DRM logs for a specified set of debug categories. The user writes a > bitmask of debug categories to the "trace_mask" node and can r

Re: [PATCH v4] drm/trace: Buffer DRM logs in a ringbuffer accessible via debugfs

2020-01-15 Thread Sean Paul
On Wed, Jan 15, 2020 at 05:38:13PM +, Chris Wilson wrote: > Quoting Sean Paul (2020-01-15 14:21:18) > > On Wed, Jan 15, 2020 at 02:01:19PM +, Chris Wilson wrote: > > > Quoting Sean Paul (2020-01-15 13:41:58) > > > > On Wed, Jan 15, 2020 at 10:36:36AM +, Chris Wilson wrote: > > > > > Quo

Re: [PATCH v4] drm/trace: Buffer DRM logs in a ringbuffer accessible via debugfs

2020-01-15 Thread Chris Wilson
Quoting Sean Paul (2020-01-15 14:21:18) > On Wed, Jan 15, 2020 at 02:01:19PM +, Chris Wilson wrote: > > Quoting Sean Paul (2020-01-15 13:41:58) > > > On Wed, Jan 15, 2020 at 10:36:36AM +, Chris Wilson wrote: > > > > Quoting Sean Paul (2020-01-14 17:21:43) > > > > > From: Sean Paul > > > >

Re: [PATCH v4] drm/trace: Buffer DRM logs in a ringbuffer accessible via debugfs

2020-01-15 Thread Sean Paul
On Wed, Jan 15, 2020 at 02:01:19PM +, Chris Wilson wrote: > Quoting Sean Paul (2020-01-15 13:41:58) > > On Wed, Jan 15, 2020 at 10:36:36AM +, Chris Wilson wrote: > > > Quoting Sean Paul (2020-01-14 17:21:43) > > > > From: Sean Paul > > > > > > > > This patch uses a ring_buffer to keep a "

Re: [PATCH v4] drm/trace: Buffer DRM logs in a ringbuffer accessible via debugfs

2020-01-15 Thread Chris Wilson
Quoting Sean Paul (2020-01-15 13:41:58) > On Wed, Jan 15, 2020 at 10:36:36AM +, Chris Wilson wrote: > > Quoting Sean Paul (2020-01-14 17:21:43) > > > From: Sean Paul > > > > > > This patch uses a ring_buffer to keep a "flight recorder" (name credit > > > Weston) > > > of DRM logs for a speci

Re: [PATCH v4] drm/trace: Buffer DRM logs in a ringbuffer accessible via debugfs

2020-01-15 Thread Sean Paul
On Wed, Jan 15, 2020 at 10:36:36AM +, Chris Wilson wrote: > Quoting Sean Paul (2020-01-14 17:21:43) > > From: Sean Paul > > > > This patch uses a ring_buffer to keep a "flight recorder" (name credit > > Weston) > > of DRM logs for a specified set of debug categories. The user writes a > > bi

Re: [PATCH v4] drm/trace: Buffer DRM logs in a ringbuffer accessible via debugfs

2020-01-15 Thread Sean Paul
On Wed, Jan 15, 2020 at 12:28:31PM +0200, Jani Nikula wrote: > On Tue, 14 Jan 2020, Sean Paul wrote: > > From: Sean Paul > > > > This patch uses a ring_buffer to keep a "flight recorder" (name credit > > Weston) > > of DRM logs for a specified set of debug categories. The user writes a > > bitma

Re: [PATCH v4] drm/trace: Buffer DRM logs in a ringbuffer accessible via debugfs

2020-01-15 Thread Sean Paul
On Wed, Jan 15, 2020 at 12:14:50PM +0200, Pekka Paalanen wrote: > On Tue, 14 Jan 2020 12:21:43 -0500 > Sean Paul wrote: > > > From: Sean Paul > > > > This patch uses a ring_buffer to keep a "flight recorder" (name credit > > Weston) > > of DRM logs for a specified set of debug categories. The

Re: [PATCH v4] drm/trace: Buffer DRM logs in a ringbuffer accessible via debugfs

2020-01-15 Thread Chris Wilson
Quoting Sean Paul (2020-01-14 17:21:43) > From: Sean Paul > > This patch uses a ring_buffer to keep a "flight recorder" (name credit Weston) > of DRM logs for a specified set of debug categories. The user writes a > bitmask of debug categories to the "trace_mask" node and can read log > messages

Re: [PATCH v4] drm/trace: Buffer DRM logs in a ringbuffer accessible via debugfs

2020-01-15 Thread Jani Nikula
On Tue, 14 Jan 2020, Sean Paul wrote: > From: Sean Paul > > This patch uses a ring_buffer to keep a "flight recorder" (name credit Weston) > of DRM logs for a specified set of debug categories. The user writes a > bitmask of debug categories to the "trace_mask" node and can read log > messages fr

Re: [PATCH v4] drm/trace: Buffer DRM logs in a ringbuffer accessible via debugfs

2020-01-15 Thread Pekka Paalanen
On Tue, 14 Jan 2020 12:21:43 -0500 Sean Paul wrote: > From: Sean Paul > > This patch uses a ring_buffer to keep a "flight recorder" (name credit Weston) > of DRM logs for a specified set of debug categories. The user writes a > bitmask of debug categories to the "trace_mask" node and can read l

Re: [PATCH v4] drm/trace: Buffer DRM logs in a ringbuffer accessible via debugfs

2020-01-15 Thread Joonas Lahtinen
Quoting Sean Paul (2020-01-14 19:21:43) > From: Sean Paul > > This patch uses a ring_buffer to keep a "flight recorder" (name credit Weston) > of DRM logs for a specified set of debug categories. The user writes a > bitmask of debug categories to the "trace_mask" node and can read log > messages

Re: [PATCH v4] drm/trace: Buffer DRM logs in a ringbuffer accessible via debugfs

2020-01-14 Thread Steven Rostedt
On Tue, 14 Jan 2020 12:21:43 -0500 Sean Paul wrote: > From: Sean Paul > > This patch uses a ring_buffer to keep a "flight recorder" (name credit Weston) > of DRM logs for a specified set of debug categories. The user writes a > bitmask of debug categories to the "trace_mask" node and can read l

[PATCH v4] drm/trace: Buffer DRM logs in a ringbuffer accessible via debugfs

2020-01-14 Thread Sean Paul
From: Sean Paul This patch uses a ring_buffer to keep a "flight recorder" (name credit Weston) of DRM logs for a specified set of debug categories. The user writes a bitmask of debug categories to the "trace_mask" node and can read log messages from the "trace" node. These nodes currently exist