From: "Alex Bennée" <alex.bennee@linaro.org>
To: Claudio Fontana <cfontana@suse.de>
Cc: "Laurent Vivier" <lvivier@redhat.com>,
"Peter Maydell" <peter.maydell@linaro.org>,
"Thomas Huth" <thuth@redhat.com>,
"Eduardo Habkost" <ehabkost@redhat.com>,
haxm-team@intel.com, "Marcelo Tosatti" <mtosatti@redhat.com>,
"Markus Armbruster" <armbru@redhat.com>,
qemu-devel@nongnu.org, "Roman Bolshakov" <r.bolshakov@yadro.com>,
"Colin Xu" <colin.xu@intel.com>,
"Wenchao Wang" <wenchao.wang@intel.com>,
"Paolo Bonzini" <pbonzini@redhat.com>,
"Sunil Muthuswamy" <sunilmut@microsoft.com>,
"Philippe Mathieu-Daudé" <philmd@redhat.com>,
"Richard Henderson" <rth@twiddle.net>
Subject: Re: [RFC v5 2/4] cpu-throttle: new module, extracted from cpus.c
Date: Tue, 16 Jun 2020 14:19:07 +0100 [thread overview]
Message-ID: <87a713173o.fsf@linaro.org> (raw)
In-Reply-To: <20200615180346.3992-3-cfontana@suse.de>
Claudio Fontana <cfontana@suse.de> writes:
> move the vcpu throttling functionality into its own module.
>
> This functionality is not specific to any accelerator,
> and it is used currently by migration to slow down guests to try to
> have migrations converge, and by the cocoa MacOS UI to throttle speed.
>
> cpu-throttle contains the controls to adjust and inspect throttle
> settings, start (set) and stop vcpu throttling, and the throttling
> function itself that is run periodically on vcpus to make them take a nap.
>
> Execution of the throttling function on all vcpus is triggered by a timer,
> registered at module initialization.
>
> No functionality change.
>
> Signed-off-by: Claudio Fontana <cfontana@suse.de>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
--
Alex Bennée
next prev parent reply other threads:[~2020-06-16 13:21 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-06-15 18:03 [RFC v5 0/4] QEMU cpus.c refactoring Claudio Fontana
2020-06-15 18:03 ` [RFC v5 1/4] softmmu: move softmmu only files from root Claudio Fontana
2020-06-16 13:11 ` Alex Bennée
2020-06-15 18:03 ` [RFC v5 2/4] cpu-throttle: new module, extracted from cpus.c Claudio Fontana
2020-06-16 13:19 ` Alex Bennée [this message]
2020-06-15 18:03 ` [RFC v5 3/4] cpu-timers, icount: new modules Claudio Fontana
2020-06-16 13:58 ` Alex Bennée
2020-06-15 18:03 ` [RFC v5 4/4] cpus: extract out accel-specific code to each accel Claudio Fontana
2020-06-16 14:16 ` Alex Bennée
2020-06-16 17:01 ` Claudio Fontana
2020-06-16 17:52 ` Alex Bennée
2020-06-16 18:02 ` Claudio Fontana
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