From: Stephen Hemminger <stephen@networkplumber.org>
To: Thomas Monjalon <thomas@monjalon.net>
Cc: dev@dpdk.org, "David Marchand" <david.marchand@redhat.com>,
stable@dpdk.org, "Morten Brørup" <mb@smartsharesystems.com>,
"Anatoly Burakov" <anatoly.burakov@intel.com>,
"Dmitry Kozlyuk" <dmitry.kozliuk@gmail.com>,
"Narcisa Ana Maria Vasile" <navasile@linux.microsoft.com>,
"Dmitry Malloy" <dmitrym@microsoft.com>,
"Pallavi Kadam" <pallavi.kadam@intel.com>,
"Tyler Retzlaff" <roretzla@linux.microsoft.com>,
"Andrew Rybchenko" <andrew.rybchenko@oktetlabs.ru>,
"Konstantin Ananyev" <konstantin.v.ananyev@yandex.ru>
Subject: Re: [PATCH v2] eal/unix: allow creating thread with real-time priority
Date: Wed, 25 Oct 2023 08:37:00 -0700 [thread overview]
Message-ID: <20231025083700.4e3e274c@hermes.local> (raw)
In-Reply-To: <20231025151352.995318-1-thomas@monjalon.net>
On Wed, 25 Oct 2023 17:13:14 +0200
Thomas Monjalon <thomas@monjalon.net> wrote:
> case RTE_THREAD_PRIORITY_REALTIME_CRITICAL:
> + /*
> + * WARNING: Real-time busy loop takes priority on kernel threads,
> + * making the system unstable.
> + * There is also a known issue when using rte_ring.
> + */
I was thinking something like:
static bool warned;
if (!warned) {
RTE_LOG(NOTICE, EAL, "Real time priority is unstable when thread is polling without sleep\n");
warned = true;
}
next prev parent reply other threads:[~2023-10-25 15:37 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-10-24 12:54 [PATCH] " Thomas Monjalon
2023-10-24 13:55 ` Morten Brørup
2023-10-24 16:04 ` Stephen Hemminger
2023-10-25 13:15 ` Thomas Monjalon
2023-10-25 13:34 ` Bruce Richardson
2023-10-25 13:44 ` Thomas Monjalon
2023-10-25 15:08 ` Stephen Hemminger
2023-10-25 15:14 ` Bruce Richardson
2023-10-25 15:18 ` Thomas Monjalon
2023-10-25 15:32 ` Thomas Monjalon
2023-10-25 15:13 ` [PATCH v2] " Thomas Monjalon
2023-10-25 15:37 ` Stephen Hemminger [this message]
2023-10-25 16:46 ` Thomas Monjalon
2023-10-25 17:54 ` Morten Brørup
2023-10-25 21:33 ` Stephen Hemminger
2023-10-26 7:33 ` Morten Brørup
2023-10-26 16:32 ` Stephen Hemminger
2023-10-26 17:07 ` Morten Brørup
2023-10-26 0:00 ` Stephen Hemminger
[not found] ` <20231025163352.1076755-1-thomas@monjalon.net>
2023-10-25 16:31 ` [PATCH v3 2/2] " Thomas Monjalon
[not found] ` <20231026134313.1165954-1-thomas@monjalon.net>
2023-10-26 13:37 ` [PATCH v4 " Thomas Monjalon
[not found] ` <20231026142749.1174372-1-thomas@monjalon.net>
2023-10-26 14:19 ` [PATCH v5 " Thomas Monjalon
2023-10-27 8:08 ` [PATCH v6 1/1] " Thomas Monjalon
2023-10-27 8:45 ` Morten Brørup
2023-10-27 9:11 ` Thomas Monjalon
2023-10-27 18:15 ` Stephen Hemminger
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