linux-kernel - Re: [PATCH 0/8] device async action mechanism

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Message-Id: <1247733047.26272.199.camel@rzhang-dt>
Date:	Thu, 16 Jul 2009 16:30:47 +0800
From:	Zhang Rui <rui.zhang@...el.com>
To:	Andi Kleen <andi@...stfloor.org>
Cc:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	linux-pm <linux-pm@...ts.linux-foundation.org>,
	linux-acpi <linux-acpi@...r.kernel.org>,
	Len Brown <lenb@...nel.org>,
	"arjan@...ux.intel.com" <arjan@...ux.intel.com>,
	"Van De Ven, Arjan" <arjan.van.de.ven@...el.com>
Subject: Re: [PATCH 0/8] device async action mechanism

On Thu, 2009-07-16 at 16:07 +0800, Andi Kleen wrote:
> On Thu, Jul 16, 2009 at 10:14:43AM +0800, Zhang Rui wrote:
> > On Wed, 2009-07-15 at 18:41 +0800, Andi Kleen wrote:
> > > Zhang Rui <rui.zhang@...el.com> writes:
> > > >
> > > > Currently, in order to make sure that it won't bring any side effects,
> > > > I only convert the ACPI battery and i8042 to use this framework, which reduces
> > > > 0.5s+ S3 time(suspend time plus resume time)ï»¿, from 7.0s to less than 6.5s.

> > > 
> > > 10.5s+ was intended I guess?
> > > 
> > what do you mean?
> 
> I am confused by you writing
> 
> "reduces <small number> from <much larger number> to <still larger number>"
> 
> So I assumed you dropped a decimal on <small number>
> 
sorry for my poor English.

I mean the total S3 time (including kernel suspend and kernel resume)
reduces more than 0.5 second.
it takes 7.0s without this patch set and now it takes only 6.5s.

thanks,
rui

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