From: Thomas Gleixner <tglx@linutronix.de>
To: tiozhang <tiozhang@didiglobal.com>
Cc: Jonathan Corbet <corbet@lwn.net>,
"Steven Rostedt (Google)" <rostedt@goodmis.org>,
linux-kernel@vger.kernel.org, zyhtheonly@gmail.com,
zyhtheonly@yeah.net, tiozhang@didiglobal.com
Subject: Re: [PATCH] hrtimer: add cmdline parameter retry_threshold to config retry times in interrupt handler routine
Date: Wed, 07 Feb 2024 11:09:28 +0100 [thread overview]
Message-ID: <87sf24mvqf.ffs@tglx> (raw)
In-Reply-To: <20240131104152.GA19461@didi-ThinkCentre-M930t-N000>
On Wed, Jan 31 2024 at 18:41, tiozhang@didiglobal.com wrote:
> Motivation of doing this is to give user a config option to reduce time
> cost in hrtimer irq when influenced by some time consuming hrtimer
> callbacks running in irq context.
> E.g, if we tune this parameter to 1, we dont retry anymore to prevent
> occasionally consecutive time consuming callbacks running in a single
> interrupt.
Which is the exact problem you are trying to solve here?
prev parent reply other threads:[~2024-02-07 10:09 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-01-31 10:41 [PATCH] hrtimer: add cmdline parameter retry_threshold to config retry times in interrupt handler routine tiozhang
2024-02-07 10:09 ` Thomas Gleixner [this message]
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