From: Austin Schuh <austin@peloton-tech.com>
To: "Hindman, Gavin" <gavin.hindman@intel.com>
Cc: linux-rt-users <linux-rt-users@vger.kernel.org>
Subject: Re: Kernel config options that impact latency
Date: Thu, 4 Jan 2018 11:24:37 -0800 [thread overview]
Message-ID: <CANGgnMb_EdRP7pUFktSMEC5n4MYbMytMoruR-dTrVAJ7a0dbyA@mail.gmail.com> (raw)
In-Reply-To: <D5D6254030DBC644B6EE58B333BFBB1E9D96DC30@ORSMSX101.amr.corp.intel.com>
On Thu, Jan 4, 2018 at 10:29 AM, Hindman, Gavin <gavin.hindman@intel.com> wrote:
> Since we seem to be in knowledge-sharing mode, is there an existing list of kernel config parameters, outside of those required to enable preempt_rt, known to impact or improve general system latency? I didn't find anything prowling the various wikis.
For ARM platforms, we've found turning off power management helps.
The book-keeping was costing a lot of time in latency critical spots.
Austin
next prev parent reply other threads:[~2018-01-04 19:24 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-01-04 18:29 Kernel config options that impact latency Hindman, Gavin
2018-01-04 19:24 ` Austin Schuh [this message]
2018-01-05 10:09 ` Tim Sander
2018-01-04 19:37 ` Nicholas Mc Guire
2018-02-01 18:40 ` Reinette Chatre
2018-01-12 20:01 ` Grygorii Strashko
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