From: Paolo Bonzini <pbonzini@redhat.com>
To: Marcelo Tosatti <mtosatti@redhat.com>
Cc: linux-kernel@vger.kernel.org, kvm@vger.kernel.org,
riel@redhat.com, rkrcmar@redhat.com
Subject: Re: [PATCH RFC] kvm: x86: add halt_poll module parameter
Date: Fri, 06 Feb 2015 08:50:01 +0100 [thread overview]
Message-ID: <54D47229.9020501@redhat.com> (raw)
In-Reply-To: <20150205233406.GE5051@amt.cnet>
On 06/02/2015 00:34, Marcelo Tosatti wrote:
> You want at least a basic procedure to estimate a value
> (its a function of the device after all).
I will add a tracepoint.
> Rather than halt_successful_poll's, i suppose the optimum
> can be estimated from a dataset containing entries
> in the form:
>
> interrupt time - hlt time
>
> Then choose a given value from that table.
Yes.
Paolo
prev parent reply other threads:[~2015-02-06 7:50 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-02-05 16:05 [PATCH RFC] kvm: x86: add halt_poll module parameter Paolo Bonzini
2015-02-05 17:46 ` Rik van Riel
2015-02-05 17:53 ` Radim Krčmář
2015-02-05 19:18 ` Paolo Bonzini
2015-02-05 18:55 ` Jan Kiszka
2015-02-05 19:20 ` Paolo Bonzini
2015-02-05 19:23 ` Rik van Riel
2015-02-05 20:14 ` Paolo Bonzini
2015-02-05 20:39 ` David Matlack
2015-02-05 21:24 ` Paolo Bonzini
2015-02-05 23:34 ` Marcelo Tosatti
2015-02-05 23:47 ` Marcelo Tosatti
2015-02-06 7:50 ` Paolo Bonzini [this message]
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