Re: [PATCH] tracing/osnoise: Force quiescent states while tracing

From: Daniel Bristot de Oliveira
Date: Tue Mar 01 2022 - 14:53:24 EST


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