On Thu, 12 Oct 2023 16:37:35 -0400
Nick Lowell wrote:
Sorry, I was traveling when this was sent, and I missed it.
> I really appreciate the continued feedback. I was able to reproduce.
> I think I'm understanding better but still need some help.
> I am actually wondering if
On Wed, Oct 4, 2023 at 10:52 AM Steven Rostedt wrote:
>
> On Wed, 4 Oct 2023 10:39:33 -0400
> Nick Lowell wrote:
>
> > > [ cut here ]
> > > WARNING: CPU: 5 PID: 944 at kernel/trace/trace_events_filter.c:2423
> > > apply_subsystem_event_filter+0x18c/0x5e0
> > > Modules
On Wed, 4 Oct 2023 10:39:33 -0400
Nick Lowell wrote:
> > [ cut here ]
> > WARNING: CPU: 5 PID: 944 at kernel/trace/trace_events_filter.c:2423
> > apply_subsystem_event_filter+0x18c/0x5e0
> > Modules linked in:
> > CPU: 5 PID: 944 Comm: trace-cmd Not tainted
> >
On Tue, Oct 3, 2023 at 10:29 PM Steven Rostedt wrote:
>
> On Mon, 2 Oct 2023 10:41:48 -0400
> Nicholas Lowell wrote:
>
> > @@ -2411,7 +2418,12 @@ int apply_subsystem_event_filter(struct
> > trace_subsystem_dir *dir,
> > }
> >
> > if (!strcmp(strstrip(filter_string), "0")) {
> > -
On Mon, 2 Oct 2023 10:41:48 -0400
Nicholas Lowell wrote:
> @@ -2411,7 +2418,12 @@ int apply_subsystem_event_filter(struct
> trace_subsystem_dir *dir,
> }
>
> if (!strcmp(strstrip(filter_string), "0")) {
> - filter_free_subsystem_preds(dir, tr);
> + /* If
From: Nicholas Lowell
If there are no filters in the event subsystem, then there's no
reason to continue and hit the potentially time consuming
tracepoint_synchronize_unregister function. This should give
a speed up for initial disabling/configuring
Signed-off-by: Nicholas Lowell
---
Notes:
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