On Fri, Jan 07, 2022 at 06:29:26AM +0100, Jim Cromie wrote:
> adds: dynamic_trace()
> uses trace_console() temporarily to issue printk:console event
> uses internal-ish __ftrace_trace_stack code:
> 4-context buffer stack, barriers per Steve
>
> call it from new funcs:
> dynamic_printk()
On Fri, Jan 07, 2022 at 06:29:24AM +0100, Jim Cromie wrote:
> #ifdef CONFIG_JUMP_LABEL
> - if (dp->flags & _DPRINTK_FLAGS_PRINT) {
> - if (!(modifiers->flags & _DPRINTK_FLAGS_PRINT))
> + if (dp->flags & _DPRINTK_FLAGS_ENABLED) {
>
On Wed, Dec 08, 2021 at 06:16:10AM +0100, jim.cro...@gmail.com wrote:
> are you planning to dust this patchset off and resubmit it ?
>
> Ive been playing with it and learning ftrace (decade+ late),
> I found your boot-line example very helpful as 1st steps
> (still havent even tried the filtering)
On Fri, Nov 19, 2021 at 11:46:31PM +0100, jim.cro...@gmail.com wrote:
> Vincent's code has the macro magic to define that event, which IIUC
> is what makes it controllable by ftrace, and therefore acceptable in
> principle to Steve.
> Would there be any reason to expand his set of 2 events into de
On Thu, Nov 11, 2021 at 03:02:04PM -0700, Jim Cromie wrote:
> Sean Paul proposed, in:
> https://patchwork.freedesktop.org/series/78133/
> drm/trace: Mirror DRM debug logs to tracefs
>
> His patchset's objective is to be able to independently steer some of
> the drm.debug stream to an alternate tra
