From: Arjan van de Ven <arjan@infradead.org>
To: "Jaswinder Singh Rajput" <jaswinderlinux@gmail.com>
Cc: "Matthew Wilcox" <matthew@wil.cx>,
linux-kernel@vger.kernel.org, torvalds@linux-foundation.org,
mingo@elte.hu, fweisbec@gmail.com, linux-scsi@vger.kernel.org,
linux-ide@vger.kernel.org, linux-acpi@vger.kernel.org,
akpm@linux-foundation.org
Subject: Re: [PATCH 2/4] fastboot: make scsi probes asynchronous
Date: Sun, 4 Jan 2009 10:44:25 -0800 [thread overview]
Message-ID: <20090104104425.4bee0c95@infradead.org> (raw)
In-Reply-To: <3f9a31f40901041038w47493205m9fcd87fe237ec257@mail.gmail.com>
On Mon, 5 Jan 2009 00:08:42 +0530
"Jaswinder Singh Rajput" <jaswinderlinux@gmail.com> wrote:
> On Sun, Jan 4, 2009 at 11:43 PM, Arjan van de Ven
> <arjan@infradead.org> wrote:
> >
> > just checked;
> > my box has CONFIG_SCSI_SCAN_ASYNC=y set for both cases
> > it seems to be about 0.1 seconds win still though...
> > sounds little, but a kernel boot should be less than a second, so
> > that is still 10%. And it's obviously also disk dependent..
> > (I used libata connected disks obviously)
> >
>
> Do you also have boot time numbers for RAM and/or flash based
> filesystem (disk-less)
my laptop with a pretty nice SSD shows a similar kind of behavior
(bit shorter in time, but there the entire kernel boot is shorter as a
whole)
--
Arjan van de Ven Intel Open Source Technology Centre
For development, discussion and tips for power savings,
visit http://www.lesswatts.org
next prev parent reply other threads:[~2009-01-04 18:42 UTC|newest]
Thread overview: 42+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-01-04 17:24 [PATCH 0/4] Fastboot revisited: Asynchronous function calls Arjan van de Ven
2009-01-04 17:28 ` [PATCH 1/4] fastboot: Asynchronous function calls to speed up kernel boot Arjan van de Ven
2009-01-04 18:33 ` Linus Torvalds
2009-01-04 18:40 ` Arjan van de Ven
2009-01-04 18:49 ` Arjan van de Ven
2009-01-04 19:05 ` Andi Kleen
2009-01-04 19:09 ` Arjan van de Ven
2009-01-04 19:49 ` Andi Kleen
2009-01-04 19:52 ` Andrew Morton
2009-01-04 17:29 ` [PATCH 2/4] fastboot: make scsi probes asynchronous Arjan van de Ven
2009-01-04 18:05 ` Matthew Wilcox
2009-01-04 18:13 ` Arjan van de Ven
2009-01-04 18:38 ` Jaswinder Singh Rajput
2009-01-04 18:44 ` Arjan van de Ven [this message]
2009-01-04 17:30 ` [PATCH 3/4] fastboot: make the libata port scan asynchronous Arjan van de Ven
2009-01-04 17:31 ` [PATCH 4/4] fastboot: make ACPI bus drivers probe asynchronous Arjan van de Ven
2009-01-05 2:03 ` Zhao Yakui
2009-01-05 1:58 ` Arjan van de Ven
2009-01-05 2:51 ` Zhao Yakui
2009-01-05 2:51 ` Arjan van de Ven
2009-01-05 5:30 ` Zhao Yakui
2009-01-04 18:16 ` [PATCH 0/4] Fastboot revisited: Asynchronous function calls Linus Torvalds
2009-01-04 18:31 ` Arjan van de Ven
2009-01-04 18:54 ` Linus Torvalds
2009-01-04 19:05 ` Arjan van de Ven
2009-01-04 19:11 ` Linus Torvalds
2009-01-04 19:19 ` Arjan van de Ven
2009-01-05 16:21 ` Alan Cox
2009-01-05 21:13 ` Arjan van de Ven
2009-01-05 21:21 ` Linus Torvalds
2009-01-04 19:11 ` Andi Kleen
2009-01-04 19:46 ` Robert Hancock
2009-01-04 19:27 ` Linus Torvalds
2009-01-04 19:48 ` Arjan van de Ven
2009-01-04 21:44 ` Alan Cox
2009-01-11 13:14 ` Pavel Machek
2009-01-05 6:01 ` Nigel Cunningham
2009-01-05 8:47 ` Frederic Weisbecker
2009-01-05 10:53 ` Arjan van de Ven
2009-01-05 11:18 ` Nigel Cunningham
2009-01-07 2:41 ` Shaohua Li
[not found] <fa.h0UoSd20jEtik35h1v63j+E67Io@ifi.uio.no>
[not found] ` <fa.5PP24JO26n+WYiDr/9b4OySGjWY@ifi.uio.no>
[not found] ` <fa.FlPVm6dv2aVhxgrZlA92A/26QC8@ifi.uio.no>
[not found] ` <fa.xSdAPowIDNEH2rL6hWZp0t33p2U@ifi.uio.no>
[not found] ` <fa.abMnCBprOI1BL1RNVaAvYnUsaEw@ifi.uio.no>
[not found] ` <fa.opIcflAvDANLuO5+8NjVCjt/94o@ifi.uio.no>
2009-01-04 18:55 ` [PATCH 2/4] fastboot: make scsi probes asynchronous Sitsofe Wheeler
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