On Wed, 09 Dec 2020 15:38:50 +0100
Lucas Stach wrote:
> - trace_eval_init();
> -
> ... and this. Moving the trace_eval_init into its own initcall means it
> gets started before tracer_init_tracefs. As it holds the
> trace_event_sem while updating the eval maps, event_trace_init() then
> block
Hi Steven,
Am Montag, den 07.12.2020, 14:47 -0500 schrieb Steven Rostedt:
On Mon, 07 Dec 2020 17:24:58 +0100
Lucas Stach wrote:
> I would be happy to test a patch on our whimpy machines, though. :)
Let me know if this helps:
-- Steve
diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
in
On Mon, 07 Dec 2020 17:24:58 +0100
Lucas Stach wrote:
> I would be happy to test a patch on our whimpy machines, though. :)
Let me know if this helps:
-- Steve
diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index 06134189e9a7..48aa5b6a7d15 100644
--- a/kernel/trace/trace.c
+++ b/kern
On Mon, 07 Dec 2020 17:24:58 +0100
Lucas Stach wrote:
> > We could make a thread that does this, that the init wakes up and runs,
> > letting the kernel to move forward. Would you like to make that patch
> > or shall I?
>
> I guess you are much more likely to come up with a correct patch, as
>
Hi Steven,
Am Donnerstag, den 03.12.2020, 21:18 -0500 schrieb Steven Rostedt:
> Sorry for the really late reply, but I received this while I was on
> vacation, and my backlog was so big when I got back that I left most of
> it unread. :-/ And to make matters worse, my out-of-office script
> wasn'
Sorry for the really late reply, but I received this while I was on
vacation, and my backlog was so big when I got back that I left most of
it unread. :-/ And to make matters worse, my out-of-office script
wasn't working, to let people know I was on vacation.
On Mon, 07 Sep 2020 18:16:52 +0200
Hi all,
one of my colleagues has taken a look at device boot times and stumbled
across a pretty big amount of kernel boot time being spent in
tracer_init_tracefs(). On this particular i.MX6Q based device the
kernel spends more than 1 second in this function, which is a
significant amount of the ov
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