netdev - Re: TC: HTB module over limiting when CPU is under load

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Date: Sun, 14 Jan 2024 21:46:31 +0200
From: Isaac Boukris <iboukris@...il.com>
To: netdev@...r.kernel.org
Subject: Re: TC: HTB module over limiting when CPU is under load

On Sat, Jan 13, 2024 at 3:57 PM Isaac Boukris <iboukris@...il.com> wrote:
>
> On Fedora with the aforementioned openssl command for load, i get
> ~1400kb with HTB (compare to ~400kb with the older kernel), but when
> instead i use stress-ng command for load then HTB only reaches
> ~1100kb, while HSFC and NETEM still achieve ~1800kb in all cases.

Ah my bad, should have read the tc-htb man page to the end. The HTB
module also works well under heavy load, if I add "burst 128k cburst
128k" to the tc-class-add command.

Cheers