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From: Matthew Garrett <mjg59@srcf.ucam.org>
To: Jens Axboe <jens.axboe@oracle.com>
Cc: Pavel Machek <pavel@ucw.cz>, Kay Sievers <kay.sievers@vrfy.org>,
	David Zeuthen <david@fubar.dk>,
	linux-kernel@vger.kernel.org, linux-hotplug@vger.kernel.org
Subject: Re: [PATCH] [RFC] Add support for uevents on block device idle
Date: Mon, 23 Nov 2009 19:54:15 +0000	[thread overview]
Message-ID: <20091123195415.GA16833@srcf.ucam.org> (raw)
In-Reply-To: <20091123195000.GK8742@kernel.dk>

On Mon, Nov 23, 2009 at 08:50:00PM +0100, Jens Axboe wrote:

> If the polling works out, then yes that approach is certainly a lot
> better from a performance impact pov.
> 
> What kind of time intervals are you targetting?

On the order of a second. I'm doing benchmarking with my current 
implementation now, I'll let you know how it looks.

-- 
Matthew Garrett | mjg59@srcf.ucam.org

WARNING: multiple messages have this Message-ID (diff)
From: Matthew Garrett <mjg59@srcf.ucam.org>
To: Jens Axboe <jens.axboe@oracle.com>
Cc: Pavel Machek <pavel@ucw.cz>, Kay Sievers <kay.sievers@vrfy.org>,
	David Zeuthen <david@fubar.dk>,
	linux-kernel@vger.kernel.org, linux-hotplug@vger.kernel.org
Subject: Re: [PATCH] [RFC] Add support for uevents on block device idle changes
Date: Mon, 23 Nov 2009 19:54:15 +0000	[thread overview]
Message-ID: <20091123195415.GA16833@srcf.ucam.org> (raw)
In-Reply-To: <20091123195000.GK8742@kernel.dk>

On Mon, Nov 23, 2009 at 08:50:00PM +0100, Jens Axboe wrote:

> If the polling works out, then yes that approach is certainly a lot
> better from a performance impact pov.
> 
> What kind of time intervals are you targetting?

On the order of a second. I'm doing benchmarking with my current 
implementation now, I'll let you know how it looks.

-- 
Matthew Garrett | mjg59@srcf.ucam.org

  reply	other threads:[~2009-11-23 19:54 UTC|newest]

Thread overview: 73+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-11-17 14:37 [PATCH] [RFC] Add support for uevents on block device idle changes Matthew Garrett
2009-11-17 14:37 ` Matthew Garrett
2009-11-17 15:55 ` [PATCH] [RFC] Add support for uevents on block device idle Kay Sievers
2009-11-17 15:55   ` [PATCH] [RFC] Add support for uevents on block device idle changes Kay Sievers
2009-11-17 16:09   ` [PATCH] [RFC] Add support for uevents on block device idle David Zeuthen
2009-11-17 16:09     ` [PATCH] [RFC] Add support for uevents on block device idle changes David Zeuthen
2009-11-17 18:57     ` [PATCH] [RFC] Add support for uevents on block device idle Matthew Garrett
2009-11-17 18:57       ` [PATCH] [RFC] Add support for uevents on block device idle changes Matthew Garrett
2009-11-18 19:30       ` [PATCH] [RFC] Add support for uevents on block device idle Kay Sievers
2009-11-18 19:30         ` [PATCH] [RFC] Add support for uevents on block device idle changes Kay Sievers
2009-11-18 19:40         ` [PATCH] [RFC] Add support for uevents on block device idle Matthew Garrett
2009-11-18 19:40           ` [PATCH] [RFC] Add support for uevents on block device idle changes Matthew Garrett
2009-11-18 19:47           ` [PATCH] [RFC] Add support for uevents on block device idle Kay Sievers
2009-11-18 19:47             ` [PATCH] [RFC] Add support for uevents on block device idle changes Kay Sievers
2009-11-18 19:53             ` [PATCH] [RFC] Add support for uevents on block device idle Matthew Garrett
2009-11-18 19:53               ` [PATCH] [RFC] Add support for uevents on block device idle changes Matthew Garrett
2009-11-18 20:03               ` [PATCH] [RFC] Add support for uevents on block device idle Kay Sievers
2009-11-18 20:03                 ` [PATCH] [RFC] Add support for uevents on block device idle changes Kay Sievers
2009-11-18 20:07                 ` [PATCH] [RFC] Add support for uevents on block device idle Matthew Garrett
2009-11-18 20:07                   ` [PATCH] [RFC] Add support for uevents on block device idle changes Matthew Garrett
2009-11-18 21:06                   ` [PATCH] [RFC] Add support for uevents on block device idle Kay Sievers
2009-11-18 21:06                     ` [PATCH] [RFC] Add support for uevents on block device idle changes Kay Sievers
2009-11-18 21:29                     ` [PATCH] [RFC] Add support for uevents on block device idle Kay Sievers
2009-11-18 21:29                       ` [PATCH] [RFC] Add support for uevents on block device idle changes Kay Sievers
2009-11-18 21:35                       ` [PATCH] [RFC] Add support for uevents on block device idle Matthew Garrett
2009-11-18 21:35                         ` [PATCH] [RFC] Add support for uevents on block device idle changes Matthew Garrett
2009-11-18 21:39                         ` [PATCH] [RFC] Add support for uevents on block device idle Kay Sievers
2009-11-18 21:39                           ` [PATCH] [RFC] Add support for uevents on block device idle changes Kay Sievers
2009-11-18 21:45                           ` [PATCH] [RFC] Add support for uevents on block device idle Matthew Garrett
2009-11-18 21:45                             ` [PATCH] [RFC] Add support for uevents on block device idle changes Matthew Garrett
2009-11-18 21:33                     ` [PATCH] [RFC] Add support for uevents on block device idle Matthew Garrett
2009-11-18 21:33                       ` [PATCH] [RFC] Add support for uevents on block device idle changes Matthew Garrett
2009-11-18 21:40                       ` [PATCH] [RFC] Add support for uevents on block device idle Kay Sievers
2009-11-18 21:40                         ` [PATCH] [RFC] Add support for uevents on block device idle changes Kay Sievers
2009-11-19 11:09                       ` [PATCH] [RFC] Add support for uevents on block device idle Kay Sievers
2009-11-19 11:09                         ` [PATCH] [RFC] Add support for uevents on block device idle changes Kay Sievers
2009-11-19 13:01                         ` [PATCH] [RFC] Add support for uevents on block device idle Matthew Garrett
2009-11-19 13:01                           ` [PATCH] [RFC] Add support for uevents on block device idle changes Matthew Garrett
2009-11-19 13:29                           ` [PATCH] [RFC] Add support for uevents on block device idle Kay Sievers
2009-11-19 13:29                             ` [PATCH] [RFC] Add support for uevents on block device idle changes Kay Sievers
2009-11-19 14:16                             ` [PATCH] [RFC] Add support for uevents on block device idle Matthew Garrett
2009-11-19 14:16                               ` [PATCH] [RFC] Add support for uevents on block device idle changes Matthew Garrett
2009-11-19 14:25                               ` [PATCH] [RFC] Add support for uevents on block device idle Kay Sievers
2009-11-19 14:25                                 ` [PATCH] [RFC] Add support for uevents on block device idle changes Kay Sievers
2009-11-19 14:30                                 ` [PATCH] [RFC] Add support for uevents on block device idle Matthew Garrett
2009-11-19 14:30                                   ` [PATCH] [RFC] Add support for uevents on block device idle changes Matthew Garrett
2009-11-19 14:34                                   ` [PATCH] [RFC] Add support for uevents on block device idle Kay Sievers
2009-11-19 14:34                                     ` [PATCH] [RFC] Add support for uevents on block device idle changes Kay Sievers
2009-11-19 14:48                                     ` [PATCH] [RFC] Add support for uevents on block device idle Matthew Garrett
2009-11-19 14:48                                       ` [PATCH] [RFC] Add support for uevents on block device idle changes Matthew Garrett
2009-11-19 15:00                                       ` [PATCH] [RFC] Add support for uevents on block device idle Kay Sievers
2009-11-19 15:00                                         ` [PATCH] [RFC] Add support for uevents on block device idle changes Kay Sievers
2009-11-20 20:29                                         ` [PATCH] [RFC] Add support for uevents on block device idle Matthew Garrett
2009-11-20 20:29                                           ` [PATCH] [RFC] Add support for uevents on block device idle changes Matthew Garrett
2009-11-22 23:37                   ` [PATCH] [RFC] Add support for uevents on block device idle Pavel Machek
2009-11-22 23:37                     ` [PATCH] [RFC] Add support for uevents on block device idle changes Pavel Machek
2009-11-23 14:12                     ` [PATCH] [RFC] Add support for uevents on block device idle Matthew Garrett
2009-11-23 14:12                       ` [PATCH] [RFC] Add support for uevents on block device idle changes Matthew Garrett
2009-11-23 14:17                     ` [PATCH] [RFC] Add support for uevents on block device idle Jens Axboe
2009-11-23 14:17                       ` [PATCH] [RFC] Add support for uevents on block device idle changes Jens Axboe
2009-11-23 14:25                       ` [PATCH] [RFC] Add support for uevents on block device idle Matthew Garrett
2009-11-23 14:25                         ` [PATCH] [RFC] Add support for uevents on block device idle changes Matthew Garrett
2009-11-23 14:31                         ` [PATCH] [RFC] Add support for uevents on block device idle Jens Axboe
2009-11-23 14:31                           ` [PATCH] [RFC] Add support for uevents on block device idle changes Jens Axboe
2009-11-23 14:42                           ` [PATCH] [RFC] Add support for uevents on block device idle Matthew Garrett
2009-11-23 14:42                             ` [PATCH] [RFC] Add support for uevents on block device idle changes Matthew Garrett
2009-11-23 19:50                             ` [PATCH] [RFC] Add support for uevents on block device idle Jens Axboe
2009-11-23 19:50                               ` [PATCH] [RFC] Add support for uevents on block device idle changes Jens Axboe
2009-11-23 19:54                               ` Matthew Garrett [this message]
2009-11-23 19:54                                 ` Matthew Garrett
2009-12-11 21:20                               ` [RFC] Add support for events " Matthew Garrett
2009-11-18 22:10 ` [PATCH] [RFC] Add support for uevents " Bartlomiej Zolnierkiewicz
2009-11-18 22:10   ` Bartlomiej Zolnierkiewicz

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