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 10:56:10 -0700 [thread overview]
Message-ID: <20170426175610.GA6491@linux.vnet.ibm.com> (raw)
In-Reply-To: <20170426175544.GW3956@linux.vnet.ibm.com>
On Wed, Apr 26, 2017 at 10:55:44AM -0700, Paul E. McKenney wrote:
> On Wed, Apr 26, 2017 at 07:45:57PM +0200, Mike Galbraith wrote:
> > On Wed, 2017-04-26 at 17:49 +0200, Mike Galbraith wrote:
> > > On Wed, 2017-04-26 at 08:44 -0700, Paul E. McKenney wrote:
> >
> > > > Should I be comparing this with the 55s number from your initial email,
> > > > or to the 39s number?
> > >
> > > Should be the 39...
> >
> > And 39 it is.
>
> Thank you again for your testing efforts!
>
> 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. ;-)
Oh, and my I add your Tested-by?
Thanx, Paul
next prev parent reply other threads:[~2017-04-26 17:56 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 [this message]
2017-04-26 18:12 ` Mike Galbraith
2017-04-26 18:25 ` Paul E. McKenney
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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