Hi,
Sorry I missed this thread. Thanks for your comments.
On Tue, 4 Jun 2024 14:03:05 -0400
Mathieu Desnoyers wrote:
> On 2024-06-04 12:34, Steven Rostedt wrote:
> > On Tue, 4 Jun 2024 11:02:16 -0400
> > Mathieu Desnoyers wrote:
> >
> >> I see.
> >>
> >> It looks like there are a few things w
On 2024-06-04 12:34, Steven Rostedt wrote:
On Tue, 4 Jun 2024 11:02:16 -0400
Mathieu Desnoyers wrote:
I see.
It looks like there are a few things we could improve there:
1) With your approach, modules need to be already loaded before
attaching an fprobe event to them. This effectively preven
On Tue, 4 Jun 2024 11:02:16 -0400
Mathieu Desnoyers wrote:
> I see.
>
> It looks like there are a few things we could improve there:
>
> 1) With your approach, modules need to be already loaded before
> attaching an fprobe event to them. This effectively prevents
> attaching to any module init
On Tue, 4 Jun 2024 08:49:55 +0900
Masami Hiramatsu (Google) wrote:
> On Mon, 3 Jun 2024 15:50:55 -0400
> Mathieu Desnoyers wrote:
>
> > On 2024-06-01 04:22, Masami Hiramatsu (Google) wrote:
> > > From: Masami Hiramatsu (Google)
> > >
> > > Support raw tracepoint event on module by fprobe ev
On 2024-06-03 19:49, Masami Hiramatsu (Google) wrote:
On Mon, 3 Jun 2024 15:50:55 -0400
Mathieu Desnoyers wrote:
On 2024-06-01 04:22, Masami Hiramatsu (Google) wrote:
From: Masami Hiramatsu (Google)
Support raw tracepoint event on module by fprobe events.
Since it only uses for_each_kernel_
On Mon, 3 Jun 2024 15:50:55 -0400
Mathieu Desnoyers wrote:
> On 2024-06-01 04:22, Masami Hiramatsu (Google) wrote:
> > From: Masami Hiramatsu (Google)
> >
> > Support raw tracepoint event on module by fprobe events.
> > Since it only uses for_each_kernel_tracepoint() to find a tracepoint,
> > t
On Mon, 3 Jun 2024 15:50:55 -0400
Mathieu Desnoyers wrote:
> Hi Masami,
>
> Why prevent module unload when a fprobe tracepoint is attached to a
> module ? This changes the kernel's behavior significantly just for the
> sake of instrumentation.
>
> As an alternative, LTTng-modules attach/detach
On 2024-06-01 04:22, Masami Hiramatsu (Google) wrote:
From: Masami Hiramatsu (Google)
Support raw tracepoint event on module by fprobe events.
Since it only uses for_each_kernel_tracepoint() to find a tracepoint,
the tracepoints on modules are not handled. Thus if user specified a
tracepoint on
From: Masami Hiramatsu (Google)
Support raw tracepoint event on module by fprobe events.
Since it only uses for_each_kernel_tracepoint() to find a tracepoint,
the tracepoints on modules are not handled. Thus if user specified a
tracepoint on a module, it shows an error.
This adds new for_each_mod
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