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From: Steven Rostedt <rostedt@goodmis.org>
To: Valentin Schneider <vschneid@redhat.com>
Cc: LKML <linux-kernel@vger.kernel.org>,
	Masami Hiramatsu <mhiramat@kernel.org>,
	Douglas RAILLARD <douglas.raillard@arm.com>
Subject: Re: [PATCH] tracing: Add __cpumask to denote a trace event field that is a cpumask_t
Date: Sat, 15 Oct 2022 07:14:16 -0400	[thread overview]
Message-ID: <20221015071416.00369347@rorschach.local.home> (raw)
In-Reply-To: <xhsmh8rlixqvu.mognet@vschneid.remote.csb>

On Fri, 14 Oct 2022 18:21:41 +0100
Valentin Schneider <vschneid@redhat.com> wrote:
> 
> Thanks for spinning this out so quickly! I gave it a test against my IPI
> tracepoints, it's working OK with one (expected) change:

No problem. It was my "While traveling I pick what I want to work on" project ;-)

> 
>   [ipi:ipi_send_cpumask] function __get_cpumask not defined
>   CPU 0 is empty
>   CPU 1 is empty
>   CPU 3 is empty
>   cpus=4
>             echo-173   [002]    11.859745: ipi_send_cpumask:     [FAILED TO PARSE] cpumask=ARRAY[02, 00, 00, 00, 00, 00, 00, 00] callsite=0xffffffff81121013
> 
> so libtraceevent is going to need updating - I'm happy to do that (if you
> haven't done it already!)

I have not done that. I'm happy to take a patch from you.

> 
> Lastly, given all cpumasks have a (usable) size of nr_cpumask_bits, we can
> factor out the size argument, see below. Regardless:

Seems reasonable. I can fold that into my patch and if you reply back
with your signed-off-by tag, I'll include you as co-author.

Cheers,

-- Steve

  reply	other threads:[~2022-10-15 11:14 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-10-14 12:04 Steven Rostedt
2022-10-14 17:21 ` Valentin Schneider
2022-10-15 11:14   ` Steven Rostedt [this message]
2022-10-17  9:38     ` Valentin Schneider
2022-10-17  9:41     ` Valentin Schneider

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