On Fri, Aug 21, 2020 at 8:18 PM David Laight wrote:
>
> From: Nicolas Boichat
> > Sent: 21 August 2020 13:07
> ...
> > > You might also want a #define that can set temporarily
> > > to enable traces in a specific file/module even though
> > > CONFIG_TRACE=n.
> >
> > I don't understand how traces a
On Fri, Aug 21, 2020 at 11:01 AM Steven Rostedt wrote:
>
> On Fri, 21 Aug 2020 10:39:02 +0800
> Nicolas Boichat wrote:
>
> > I'm not sure how that helps? I mean, the use case you have in mind is
> > somebody reusing a distro/random config and not being able to use
> > trace_printk, right? If that
From: Nicolas Boichat
> Sent: 21 August 2020 13:07
...
> > You might also want a #define that can set temporarily
> > to enable traces in a specific file/module even though
> > CONFIG_TRACE=n.
>
> I don't understand how traces are supposed to work with CONFIG_TRACE=n?
Probably because I meant som
On Fri, Aug 21, 2020 at 7:32 PM David Laight wrote:
>
> From: Nicolas Boichat
> > Sent: 21 August 2020 11:28
> >
> > On Fri, Aug 21, 2020 at 4:48 PM David Laight
> > wrote:
> > >
> > > From: Steven Rostedt
> > > > Sent: 21 August 2020 01:36
> > > > On Fri, 21 Aug 2020 08:13:00 +0800
> > > > Nico
From: Nicolas Boichat
> Sent: 21 August 2020 11:28
>
> On Fri, Aug 21, 2020 at 4:48 PM David Laight wrote:
> >
> > From: Steven Rostedt
> > > Sent: 21 August 2020 01:36
> > > On Fri, 21 Aug 2020 08:13:00 +0800
> > > Nicolas Boichat wrote:
> > >
> > > > On Thu, Aug 20, 2020 at 10:23 PM Steven Ros
On Thu, 2020-08-20 at 21:57 -0400, Steven Rostedt wrote:
> On Fri, 21 Aug 2020 09:39:19 +0800
> Nicolas Boichat wrote:
[]
> > Some other approaches/ideas:
> > 1. Filter all lkml messages that contain trace_printk. Already found
> > 1 instance, and I can easily reply to those with a semi-canned an
On Fri, Aug 21, 2020 at 4:48 PM David Laight wrote:
>
> From: Steven Rostedt
> > Sent: 21 August 2020 01:36
> > On Fri, 21 Aug 2020 08:13:00 +0800
> > Nicolas Boichat wrote:
> >
> > > On Thu, Aug 20, 2020 at 10:23 PM Steven Rostedt
> > > wrote:
> > > >
> > > > On Thu, 20 Aug 2020 17:14:12 +0800
From: Steven Rostedt
> Sent: 21 August 2020 01:36
> On Fri, 21 Aug 2020 08:13:00 +0800
> Nicolas Boichat wrote:
>
> > On Thu, Aug 20, 2020 at 10:23 PM Steven Rostedt wrote:
> > >
> > > On Thu, 20 Aug 2020 17:14:12 +0800
> > > Nicolas Boichat wrote:
> > >
> > > > Technically, we could only initi
On Fri, 2020-08-21 at 10:42 +0800, Nicolas Boichat wrote:
> On Fri, Aug 21, 2020 at 10:36 AM Joe Perches wrote:
> > On Thu, 2020-08-20 at 21:57 -0400, Steven Rostedt wrote:
> > > On Fri, 21 Aug 2020 09:39:19 +0800
> > > Nicolas Boichat wrote:
> > []
> > > > Some other approaches/ideas:
> > > > 1
On Thu, 20 Aug 2020 23:04:59 -0400
Steven Rostedt wrote:
> On Thu, 20 Aug 2020 19:49:59 -0700
> Joe Perches wrote:
>
> > Perhaps make trace_printk dependent on #define DEBUG?
>
> This is basically what Nicolas's patch series does in this very patch!
>
> And no, I hate it. We are currently d
On Thu, 20 Aug 2020 19:49:59 -0700
Joe Perches wrote:
> Perhaps make trace_printk dependent on #define DEBUG?
This is basically what Nicolas's patch series does in this very patch!
And no, I hate it. We are currently discussing ways of not having to
modify the config in order to allow trace_pri
On Fri, 21 Aug 2020 10:39:02 +0800
Nicolas Boichat wrote:
> I'm not sure how that helps? I mean, the use case you have in mind is
> somebody reusing a distro/random config and not being able to use
> trace_printk, right? If that config has CONFIG_DISABLE_TRACE_PRINTK=y,
> then the developer will
On Thu, 20 Aug 2020 19:36:19 -0700
Joe Perches wrote:
> On Thu, 2020-08-20 at 21:57 -0400, Steven Rostedt wrote:
> > On Fri, 21 Aug 2020 09:39:19 +0800
> > Nicolas Boichat wrote:
> []
> > > Some other approaches/ideas:
> > > 1. Filter all lkml messages that contain trace_printk. Already found
On Fri, Aug 21, 2020 at 10:36 AM Joe Perches wrote:
>
> On Thu, 2020-08-20 at 21:57 -0400, Steven Rostedt wrote:
> > On Fri, 21 Aug 2020 09:39:19 +0800
> > Nicolas Boichat wrote:
> []
> > > Some other approaches/ideas:
> > > 1. Filter all lkml messages that contain trace_printk. Already found
>
On Fri, Aug 21, 2020 at 9:57 AM Steven Rostedt wrote:
>
> On Fri, 21 Aug 2020 09:39:19 +0800
> Nicolas Boichat wrote:
>
> > On Fri, Aug 21, 2020 at 8:36 AM Steven Rostedt wrote:
> > >
> > > On Fri, 21 Aug 2020 08:13:00 +0800
> > > Nicolas Boichat wrote:
> > >
> > > > On Thu, Aug 20, 2020 at 10:
On Fri, 21 Aug 2020 09:39:19 +0800
Nicolas Boichat wrote:
> On Fri, Aug 21, 2020 at 8:36 AM Steven Rostedt wrote:
> >
> > On Fri, 21 Aug 2020 08:13:00 +0800
> > Nicolas Boichat wrote:
> >
> > > On Thu, Aug 20, 2020 at 10:23 PM Steven Rostedt
> > > wrote:
> > > >
> > > > On Thu, 20 Aug 202
On Fri, Aug 21, 2020 at 8:36 AM Steven Rostedt wrote:
>
> On Fri, 21 Aug 2020 08:13:00 +0800
> Nicolas Boichat wrote:
>
> > On Thu, Aug 20, 2020 at 10:23 PM Steven Rostedt wrote:
> > >
> > > On Thu, 20 Aug 2020 17:14:12 +0800
> > > Nicolas Boichat wrote:
> > >
> > > > Technically, we could only
On Fri, 21 Aug 2020 08:13:00 +0800
Nicolas Boichat wrote:
> On Thu, Aug 20, 2020 at 10:23 PM Steven Rostedt wrote:
> >
> > On Thu, 20 Aug 2020 17:14:12 +0800
> > Nicolas Boichat wrote:
> >
> > > Technically, we could only initialize the trace_printk buffers
> > > when the print env is switche
On Thu, Aug 20, 2020 at 10:23 PM Steven Rostedt wrote:
>
> On Thu, 20 Aug 2020 17:14:12 +0800
> Nicolas Boichat wrote:
>
> > Technically, we could only initialize the trace_printk buffers
> > when the print env is switched, to avoid the build error and
> > unconditional boot-time warning, but I a
On Thu, 20 Aug 2020 17:14:12 +0800
Nicolas Boichat wrote:
> Technically, we could only initialize the trace_printk buffers
> when the print env is switched, to avoid the build error and
> unconditional boot-time warning, but I assume this printing
> framework will eventually get removed when the
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