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From: Rene Herman <rene.herman@keyaccess.nl>
To: Simon Arlott <simon@fire.lp0.eu>
Cc: Alan Stern <stern@rowland.harvard.edu>,
	Arjan van de Ven <arjan@infradead.org>,
	linux-kernel@vger.kernel.org, mingo@elte.hu,
	Daniel Walker <dwalker@mvista.com>,
	USB list <linux-usb@vger.kernel.org>,
	Greg Kroah-Hartman <gregkh@suse.de>
Subject: Re: [PATCH RFC] USB: Add HCD fastboot
Date: Fri, 08 Aug 2008 16:30:14 +0200	[thread overview]
Message-ID: <489C5876.6000409@keyaccess.nl> (raw)
In-Reply-To: <19319b3fe3c10503fe594310f2fddab1743bfe8b@8b5064a13e22126c1b9329f0dc35b8915774b7c3.invalid>

On 08-08-08 13:29, Simon Arlott wrote:

> I suggest adding initcall_debug=1, it'll show how long the usb and other
> initcalls take to run. You should see the first usb device driver initcall
> take a second or two to run (without the patch). Maybe I'm just badly
> affected by having HCDs with 10 ports (of which only 4 are physically
> usable...).
> 
> dmesg|grep initcall\
> |sed -e 's/.*initcall \([^ ]\+\( \(\[[^]]\+\]\)\)\?\) returned [^ ]\+ after \([^ ]\+\) secs/\4 \1/'\
> |sort -n

Thanks, but that specific expression doesn't work work me,since there's 
not a single one that takes ' secs', only ' msecs'.

Here's the USB related ones here:

> [    1.198751] initcall ehci_hcd_init+0x0/0x11 returned 0 after 123 msecs
> [    1.818688] initcall ohci_hcd_mod_init+0x0/0x31 returned 0 after 591 msecs
> [    2.537756] initcall usb_stor_init+0x0/0x32 returned 0 after 685 msecs

[ ... ]

> [    2.619477] initcall hid_init+0x0/0x3 returned 0 after 0 msecs
> [    2.629667] initcall hid_init+0x0/0x3e returned 0 after 9 msecs

685 isn't nice but better then 2000...

Rene.


  reply	other threads:[~2008-08-08 14:30 UTC|newest]

Thread overview: 47+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-07-20 15:59 [patch 4/3] fastboot: hold the BKL over the async init call sequence Arjan van de Ven
2008-07-20 16:00 ` [patch 5/3] fastboot: sync the async execution before late_initcall and move level 6s (sync) first Arjan van de Ven
2008-07-20 16:40   ` Ingo Molnar
2008-07-20 21:14   ` Daniel Walker
2008-07-20 21:23     ` Simon Arlott
2008-07-20 21:50     ` Arjan van de Ven
2008-07-29 21:00   ` Rene Herman
2008-07-29 21:04     ` Arjan van de Ven
2008-07-29 21:12       ` Rene Herman
2008-07-29 21:21         ` Arjan van de Ven
2008-07-29 22:30           ` Rene Herman
2008-07-29 22:34             ` Simon Arlott
2008-07-30 14:08               ` Alan Stern
2008-07-30 18:25                 ` Simon Arlott
2008-07-30 19:41                   ` Alan Stern
2008-07-31 11:49                     ` Simon Arlott
2008-07-31 15:34                       ` Alan Stern
2008-07-31 18:29                         ` Simon Arlott
2008-07-31 18:56                           ` Rene Herman
2008-07-31 19:27                             ` Simon Arlott
2008-07-31 19:16                           ` Alan Stern
2008-08-06 18:40                             ` [PATCH RFC] USB: Add HCD fastboot Simon Arlott
2008-08-06 19:11                               ` Alan Stern
2008-08-06 19:20                                 ` Simon Arlott
2008-08-06 19:29                                   ` Greg KH
2008-08-06 19:49                                   ` Alan Stern
2008-08-06 19:56                                     ` Arjan van de Ven
2008-08-06 20:09                                       ` Alan Stern
2008-08-06 20:17                                         ` Arjan van de Ven
2008-08-06 20:27                                           ` Alan Stern
2008-08-06 20:07                                     ` Simon Arlott
2008-08-06 20:26                                       ` Alan Stern
2008-08-06 21:49                                         ` Simon Arlott
2008-08-06 22:34                                           ` Alan Stern
2008-08-06 22:53                                             ` Simon Arlott
2008-08-07 14:14                                               ` Alan Stern
2008-08-07  3:29                                             ` David Brownell
2008-08-07  9:28                                           ` Emanoil Kotsev
2008-08-07 16:47                                             ` Alan Stern
2008-08-07  3:34                               ` David Brownell
2008-08-08  9:24                               ` Rene Herman
2008-08-08 11:29                                 ` Simon Arlott
2008-08-08 14:30                                   ` Rene Herman [this message]
2008-07-31 21:56                           ` [patch 5/3] fastboot: sync the async execution before late_initcall and move level 6s (sync) first Greg KH
2008-07-31 22:12                             ` Simon Arlott
2008-07-31 22:37                               ` Simon Arlott
2008-09-16 22:19                             ` Tim Bird

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