From: John Ogness <john.ogness@linutronix.de>
To: Leonardo Bras <leobras@redhat.com>,
Clark Williams <williams@redhat.com>,
John Kacur <jkacur@redhat.com>
Cc: Leonardo Bras <leobras@redhat.com>,
rt-users <linux-rt-users@vger.kernel.org>,
Sana Sharma <sansshar@redhat.com>
Subject: Re: [RFC PATCH] cyclictest: Add skip_sec option
Date: Tue, 20 May 2025 09:33:16 +0206 [thread overview]
Message-ID: <84msb7g2sr.fsf@jogness.linutronix.de> (raw)
In-Reply-To: <20250520035641.533706-1-leobras@redhat.com>
On 2025-05-20, Leonardo Bras <leobras@redhat.com> wrote:
> When running cyclictest with break trace (-b) option, wait for skip_sec
> seconds before issuing the break.
>
> Cyclictest may present high latency on the initial cycles, which can be
> caused by initial resource allocations, and may not represent the
> expected latency for the running workload.
If cyclictest is programmed correctly, this will not happen. Can you
provide a technical explanation for high latencies on initial cycles?
John Ogness
next prev parent reply other threads:[~2025-05-20 7:27 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-05-20 3:56 [RFC PATCH] cyclictest: Add skip_sec option Leonardo Bras
2025-05-20 7:27 ` John Ogness [this message]
2025-05-20 14:30 ` Leonardo Bras Soares Passos
2025-05-21 8:40 ` John Ogness
2025-05-22 4:01 ` Leonardo Bras Soares Passos
2025-05-20 15:14 ` Leonardo Bras Soares Passos
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