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From: "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>
To: Mike Galbraith <efault@gmx.de>
Cc: LKML <linux-kernel@vger.kernel.org>
Subject: Re: TREE_SRCU slows hotplug by factor ~16
Date: Wed, 26 Apr 2017 11:25:38 -0700	[thread overview]
Message-ID: <20170426182537.GX3956@linux.vnet.ibm.com> (raw)
In-Reply-To: <1493230330.4132.4.camel@gmx.de>

On Wed, Apr 26, 2017 at 08:12:10PM +0200, Mike Galbraith wrote:
> On Wed, 2017-04-26 at 10:56 -0700, Paul E. McKenney wrote:
> 
> > > OK, I do need to do more work.  My current guess is that I should have
> > > set the default for srcutree.exp_holdoff to 25*1000 instead of 50*1000.
> > > But I am sure that further data will show me the error of my ways.  ;-)
> 
> I can give that a go tomorrow (too crispy now).

Sounds good!  I think that validating a 75x reduction is good for 
today.  Get some rest!

> > Oh, and my I add your Tested-by?
> 
> Sure.

Done, thank you!

							Thanx, Paul

  reply	other threads:[~2017-04-26 18:25 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-04-24  2:48 TREE_SRCU slows hotplug by factor ~16 Mike Galbraith
2017-04-24  3:32 ` Paul E. McKenney
2017-04-24  5:24   ` Mike Galbraith
2017-04-24  6:22     ` Paul E. McKenney
2017-04-24  7:35       ` Mike Galbraith
2017-04-24  8:43         ` Mike Galbraith
2017-04-24 16:24         ` Paul E. McKenney
2017-04-25 22:36           ` Paul E. McKenney
2017-04-26 14:31             ` Paul E. McKenney
2017-04-26 15:26               ` Mike Galbraith
2017-04-26 15:44                 ` Paul E. McKenney
2017-04-26 15:49                   ` Mike Galbraith
2017-04-26 16:00                     ` Paul E. McKenney
2017-04-26 17:45                     ` Mike Galbraith
2017-04-26 17:55                       ` Paul E. McKenney
2017-04-26 17:56                         ` Paul E. McKenney
2017-04-26 18:12                           ` Mike Galbraith
2017-04-26 18:25                             ` Paul E. McKenney [this message]
2017-04-27  3:43                             ` Mike Galbraith
2017-04-27  4:11                               ` Paul E. McKenney
2017-04-27  4:15                                 ` Mike Galbraith
2017-04-27  5:32                                   ` Paul E. McKenney
2017-04-27  5:44                                     ` Mike Galbraith
2017-04-27 12:37                                       ` Paul E. McKenney

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