linux-arch.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Waiman Long <waiman.long@hp.com>
To: Peter Zijlstra <peterz@infradead.org>
Cc: Jeremy Fitzhardinge <jeremy@goop.org>,
	Raghavendra K T <raghavendra.kt@linux.vnet.ibm.com>,
	kvm@vger.kernel.org, Boris Ostrovsky <boris.ostrovsky@oracle.com>,
	virtualization@lists.linux-foundation.org,
	Andi Kleen <andi@firstfloor.org>,
	"H. Peter Anvin" <hpa@zytor.com>,
	Michel Lespinasse <walken@google.com>,
	Thomas Gleixner <tglx@linutronix.de>,
	linux-arch@vger.kernel.org, Gleb Natapov <gleb@redhat.com>,
	x86@kernel.org, Ingo Molnar <mingo@redhat.com>,
	xen-devel@lists.xenproject.org,
	"Paul E. McKenney" <paulmck@linux.vnet.ibm.com>,
	Rik van Riel <riel@redhat.com>, Arnd Bergmann <arnd@arndb.de>,
	Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>,
	Scott J Norton <scott.norton@hp.com>,
	Steven Rostedt <rostedt@goodmis.org>,
	Chris Wright <chrisw@sous-sol.org>,
	Oleg Nesterov <oleg@redhat.com>,
	Alok Kataria <akataria@vmware.com>,
	Aswin Chandramouleeswaran <aswin@hp.com>,
	Chegu
Subject: Re: [PATCH RFC v6 10/11] pvqspinlock, x86: Enable qspinlock PV support for KVM
Date: Thu, 13 Mar 2014 16:09:03 -0400	[thread overview]
Message-ID: <5322105F.5090808@hp.com> (raw)
In-Reply-To: <20140313152539.GD25546@laptop.programming.kicks-ass.net>

On 03/13/2014 11:25 AM, Peter Zijlstra wrote:
> On Wed, Mar 12, 2014 at 02:54:57PM -0400, Waiman Long wrote:
>> A KVM guest of 20 CPU cores was created to run the disk workload of
>> the AIM7 benchmark on both ext4 and xfs RAM disks at 3000 users on a
>> 3.14-rc6 based kernel. The JPM (jobs/minute) data of the test run were:
> You really should just delete that aim7 crap. A benchmark that runs for
> hours is _NOT_ usable.

The specific subtest that I used run only 10 seconds or so in my test 
box as I  used ramdisk for all the filesystem access. If you use a 
physical disk, it will be much slower.

-Longman

  reply	other threads:[~2014-03-13 20:09 UTC|newest]

Thread overview: 59+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-03-12 18:54 [PATCH v6 00/11] qspinlock: a 4-byte queue spinlock with PV support Waiman Long
2014-03-12 18:54 ` [PATCH v6 01/11] qspinlock: A generic 4-byte queue spinlock implementation Waiman Long
2014-03-12 18:54 ` [PATCH v6 02/11] qspinlock, x86: Enable x86-64 to use queue spinlock Waiman Long
2014-03-12 18:54 ` [PATCH v6 03/11] qspinlock: More optimized code for smaller NR_CPUS Waiman Long
2014-03-12 18:54 ` [PATCH v6 04/11] qspinlock: Optimized code path for 2 contending tasks Waiman Long
2014-03-12 19:08   ` Waiman Long
2014-03-13 13:57     ` Peter Zijlstra
2014-03-17 17:23       ` Waiman Long
2014-03-12 18:54 ` [PATCH v6 05/11] pvqspinlock, x86: Allow unfair spinlock in a PV guest Waiman Long
2014-03-13 10:54   ` David Vrabel
2014-03-13 13:16     ` Paolo Bonzini
2014-03-13 13:16       ` Paolo Bonzini
2014-03-17 19:05       ` Konrad Rzeszutek Wilk
2014-03-17 19:05         ` Konrad Rzeszutek Wilk
2014-03-18  8:14         ` Paolo Bonzini
2014-03-18  8:14           ` Paolo Bonzini
2014-03-19  3:15           ` Waiman Long
2014-03-19  3:15             ` Waiman Long
2014-03-19 10:07             ` Paolo Bonzini
2014-03-19 16:58               ` Waiman Long
2014-03-19 17:08                 ` Paolo Bonzini
2014-03-19 17:08                   ` Paolo Bonzini
2014-03-13 19:03     ` Waiman Long
2014-03-13 15:15   ` Peter Zijlstra
2014-03-13 20:05     ` Waiman Long
2014-03-14  8:30       ` Peter Zijlstra
2014-03-14  8:48         ` Paolo Bonzini
2014-03-14  8:48           ` Paolo Bonzini
2014-03-17 17:44         ` Waiman Long
2014-03-17 18:54           ` Peter Zijlstra
2014-03-18  8:16             ` Paolo Bonzini
2014-03-18  8:16               ` Paolo Bonzini
2014-03-19  3:08             ` Waiman Long
2014-03-17 19:10           ` Konrad Rzeszutek Wilk
2014-03-19  3:11             ` Waiman Long
2014-03-19 15:25               ` Konrad Rzeszutek Wilk
2014-03-12 18:54 ` [PATCH v6 06/11] pvqspinlock, x86: Allow unfair queue spinlock in a KVM guest Waiman Long
2014-03-12 18:54 ` [PATCH v6 07/11] pvqspinlock, x86: Allow unfair queue spinlock in a XEN guest Waiman Long
2014-03-12 18:54 ` [PATCH v6 08/11] pvqspinlock, x86: Rename paravirt_ticketlocks_enabled Waiman Long
2014-03-12 18:54 ` [PATCH RFC v6 09/11] pvqspinlock, x86: Add qspinlock para-virtualization support Waiman Long
2014-03-13 11:21   ` David Vrabel
2014-03-13 13:57     ` Paolo Bonzini
2014-03-13 13:57       ` Paolo Bonzini
2014-03-13 19:49       ` Waiman Long
2014-03-13 19:49         ` Waiman Long
2014-03-14  9:44         ` Paolo Bonzini
2014-03-14  9:44           ` Paolo Bonzini
2014-03-13 19:05     ` Waiman Long
2014-03-12 18:54 ` [PATCH RFC v6 10/11] pvqspinlock, x86: Enable qspinlock PV support for KVM Waiman Long
2014-03-13 13:59   ` Paolo Bonzini
2014-03-13 13:59     ` Paolo Bonzini
2014-03-13 19:13     ` Waiman Long
2014-03-14  8:42       ` Paolo Bonzini
2014-03-17 17:47         ` Waiman Long
2014-03-17 17:47           ` Waiman Long
2014-03-18  8:18           ` Paolo Bonzini
2014-03-13 15:25   ` Peter Zijlstra
2014-03-13 20:09     ` Waiman Long [this message]
2014-03-12 18:54 ` [PATCH RFC v6 11/11] pvqspinlock, x86: Enable qspinlock PV support for XEN Waiman Long

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=5322105F.5090808@hp.com \
    --to=waiman.long@hp.com \
    --cc=akataria@vmware.com \
    --cc=andi@firstfloor.org \
    --cc=arnd@arndb.de \
    --cc=aswin@hp.com \
    --cc=boris.ostrovsky@oracle.com \
    --cc=chrisw@sous-sol.org \
    --cc=gleb@redhat.com \
    --cc=hpa@zytor.com \
    --cc=jeremy@goop.org \
    --cc=konrad.wilk@oracle.com \
    --cc=kvm@vger.kernel.org \
    --cc=linux-arch@vger.kernel.org \
    --cc=mingo@redhat.com \
    --cc=oleg@redhat.com \
    --cc=paulmck@linux.vnet.ibm.com \
    --cc=peterz@infradead.org \
    --cc=raghavendra.kt@linux.vnet.ibm.com \
    --cc=riel@redhat.com \
    --cc=rostedt@goodmis.org \
    --cc=scott.norton@hp.com \
    --cc=tglx@linutronix.de \
    --cc=virtualization@lists.linux-foundation.org \
    --cc=walken@google.com \
    --cc=x86@kernel.org \
    --cc=xen-devel@lists.xenproject.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).