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From: Daniel Bristot de Oliveira <bristot@kernel.org>
To: paulmck@kernel.org
Cc: Nicolas Saenz Julienne <nsaenzju@redhat.com>,
	rostedt@goodmis.org, mingo@redhat.com,
	linux-kernel@vger.kernel.org, mtosatti@redhat.com
Subject: Re: [PATCH] tracing/osnoise: Force quiescent states while tracing
Date: Tue, 1 Mar 2022 20:53:10 +0100	[thread overview]
Message-ID: <9d346a5b-5763-0d82-c06d-a5802b3cb816@kernel.org> (raw)
In-Reply-To: <20220301194601.GT4285@paulmck-ThinkPad-P17-Gen-1>

On 3/1/22 20:46, Paul E. McKenney wrote:
>> But the idea is to see the noise for an user-space application as much as
>> possible (and no, I am not doing application in kernel... but I know people
>> doing it using a unikernel, but that is another story... a longer one... :-)).
> There have been people writing their applications in Linux kernel modules,
> or at least attempting to do so!  ;-)

I have to admit, I once made a kernel application to forward RTP packets for
VoIP communication, between FPGA/DSPs and network with zero-copy. Times were
others, 200MHz of CPU, a single AMBA bus to everybody... fun times :-) But that
is not the case anymore (phew).

-- Daniel

  reply	other threads:[~2022-03-01 19:53 UTC|newest]

Thread overview: 26+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-02-28 14:14 Nicolas Saenz Julienne
2022-02-28 15:45 ` Steven Rostedt
2022-03-01 10:59   ` Nicolas Saenz Julienne
2022-03-01 17:30     ` Daniel Bristot de Oliveira
2022-02-28 20:00 ` Daniel Bristot de Oliveira
2022-03-01 10:52   ` Nicolas Saenz Julienne
2022-03-01 17:55     ` Daniel Bristot de Oliveira
2022-03-01 18:05       ` Paul E. McKenney
2022-03-01 18:44         ` Daniel Bristot de Oliveira
2022-03-01 18:58           ` Paul E. McKenney
2022-03-01 19:29             ` Daniel Bristot de Oliveira
2022-03-01 19:46               ` Paul E. McKenney
2022-03-01 19:53                 ` Daniel Bristot de Oliveira [this message]
2022-02-28 22:11 ` Paul E. McKenney
2022-03-01 10:00   ` Nicolas Saenz Julienne
2022-03-01 17:44     ` Daniel Bristot de Oliveira
2022-03-01 17:56     ` Paul E. McKenney
2022-03-02 10:46       ` Nicolas Saenz Julienne
2022-03-04 14:28 ` Daniel Bristot de Oliveira
2022-03-04 14:36   ` Nicolas Saenz Julienne
2022-03-04 14:39     ` Daniel Bristot de Oliveira
2022-03-04 14:51     ` Daniel Bristot de Oliveira
2022-03-04 15:28       ` Nicolas Saenz Julienne
2022-03-04 15:37         ` Daniel Bristot de Oliveira
2022-03-04 15:55           ` Nicolas Saenz Julienne
2022-03-04 16:26             ` Paul E. McKenney

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