All of lore.kernel.org
 help / color / mirror / Atom feed
From: Stefano Stabellini <sstabellini@kernel.org>
To: Andrii Anisov <andrii.anisov@gmail.com>
Cc: nd@arm.com, sstabellini@kernel.org, andrii_anisov@epam.com,
	Milan Boberic <milanboberic94@gmail.com>,
	Dario Faggioli <dfaggioli@suse.com>,
	Julien Grall <julien.grall@arm.com>,
	Meng Xu <xumengpanda@gmail.com>,
	xen-devel@lists.xenproject.org,
	Stefano Stabellini <stefano.stabellini@xilinx.com>
Subject: Re: Xen optimization
Date: Tue, 27 Nov 2018 13:27:33 -0800 (PST)	[thread overview]
Message-ID: <alpine.DEB.2.10.1811271320170.4577@sstabellini-ThinkPad-X260> (raw)
In-Reply-To: <35b44b61-9d2d-60d0-97ee-5b8c00e8be6d@gmail.com>

On Tue, 20 Nov 2018, Andrii Anisov wrote:
> Hello Stefano,
> 
> On 01.11.18 22:20, Stefano Stabellini wrote:
> > No, I haven't had any time. Aside from the Xen version, another
> > difference is the interrupt source. I used the physical timer for
> > testing.
> 
> Could you share your approach for interrupts latency measurement? Are you
> using any HW specifics or it is SoC independent?
> 
> I would like to get more evidences for optimizations of gic/vgic/gic-v2 code I
> did for our customer (its about old vgic, we are still on xen 4.10).

Hi Andrii,

See the following:

https://marc.info/?l=xen-devel&m=148668817704668

The numbers have improved now thanks to vwfi=native and other
optimizations but the mechanism to setup the experiment are the same.

Cheers,

Stefano

_______________________________________________
Xen-devel mailing list
Xen-devel@lists.xenproject.org
https://lists.xenproject.org/mailman/listinfo/xen-devel

  reply	other threads:[~2018-11-27 21:27 UTC|newest]

Thread overview: 70+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-10-09 10:59 Xen optimization Milan Boberic
2018-10-09 16:46 ` Dario Faggioli
2018-10-10 11:22   ` Milan Boberic
2018-10-10 11:25     ` Milan Boberic
2018-10-10 16:41     ` Meng Xu
2018-10-11  7:36       ` Milan Boberic
2018-10-11 12:17         ` Milan Boberic
2018-10-11 17:05           ` Dario Faggioli
2018-10-11 15:39         ` Meng Xu
2018-10-11 22:29         ` Stefano Stabellini
2018-10-12 15:33           ` Milan Boberic
2018-10-12 16:36             ` Julien Grall
2018-10-12 17:43             ` Stefano Stabellini
2018-10-13 16:01               ` Milan Boberic
2018-10-14 22:46                 ` Stefano Stabellini
2018-10-15 12:27                   ` Milan Boberic
2018-10-16  7:13                     ` Stefano Stabellini
2018-10-15  8:14                 ` Julien Grall
2018-10-15 12:50                   ` Julien Grall
2018-10-15 13:01                     ` Milan Boberic
2018-10-15 13:03                       ` Julien Grall
2018-10-17 15:19                         ` Milan Boberic
2018-10-19 21:02                           ` Stefano Stabellini
2018-10-19 22:41                             ` Dario Faggioli
2018-10-22 15:02                               ` Milan Boberic
2018-10-22 17:52                                 ` Stefano Stabellini
2018-10-23  8:58                                   ` Milan Boberic
2018-10-24  0:24                                     ` Stefano Stabellini
2018-10-25 10:09                                       ` Milan Boberic
2018-10-25 11:30                                         ` Julien Grall
2018-10-25 12:36                                           ` Milan Boberic
2018-10-25 13:44                                             ` Dario Faggioli
2018-10-25 14:00                                               ` Julien Grall
2018-10-25 14:04                                             ` Julien Grall
2018-10-25 14:47                                               ` Milan Boberic
2018-10-25 14:51                                                 ` Julien Grall
2018-10-25 16:18                                                   ` Xen optimizationcy Stefano Stabellini
2018-10-25 11:09                                       ` Xen optimization Julien Grall
2018-10-25 16:15                                         ` Stefano Stabellini
2018-10-26 19:12                                           ` Julien Grall
2018-10-26 20:41                                             ` Stefano Stabellini
2018-10-29 12:29                                               ` Milan Boberic
2018-10-31 18:59                                                 ` Julien Grall
2018-10-31 20:35                                                   ` Milan Boberic
2018-10-31 21:16                                                     ` Julien Grall
2018-11-01 20:20                                                       ` Stefano Stabellini
2018-11-01 20:35                                                         ` Julien Grall
2018-11-20 11:33                                                         ` Andrii Anisov
2018-11-27 21:27                                                           ` Stefano Stabellini [this message]
2018-11-29  8:19                                                             ` Andrii Anisov
2018-12-10 10:58                                                             ` Andrii Anisov
2018-12-10 11:54                                                               ` Julien Grall
2018-12-10 12:23                                                                 ` Andrii Anisov
2018-12-11 12:27                                                                   ` Julien Grall
2018-12-11 16:56                                                                     ` Dario Faggioli
2018-12-12  9:39                                                                       ` Andrii Anisov
2018-12-12 17:10                                                                         ` Dario Faggioli
2018-12-12 17:32                                                                           ` Andrii Anisov
2018-12-12 17:59                                                                             ` Dario Faggioli
2018-12-13  7:48                                                                               ` Andrii Anisov
2018-12-11 18:39                                                                     ` Stefano Stabellini
2018-12-11 19:05                                                                       ` Julien Grall
2018-12-11 19:29                                                                         ` Stefano Stabellini
2018-12-12  9:46                                                                           ` Andrii Anisov
2018-12-12 10:41                                                                             ` Andrii Anisov
2018-12-12 17:39                                                                               ` Stefano Stabellini
2018-12-12 17:47                                                                                 ` Andrii Anisov
2018-12-12 18:01                                                                                   ` Stefano Stabellini
2018-12-12  9:34                                                                     ` Andrii Anisov
2018-11-07 13:14   ` Julien Grall

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=alpine.DEB.2.10.1811271320170.4577@sstabellini-ThinkPad-X260 \
    --to=sstabellini@kernel.org \
    --cc=andrii.anisov@gmail.com \
    --cc=andrii_anisov@epam.com \
    --cc=dfaggioli@suse.com \
    --cc=julien.grall@arm.com \
    --cc=milanboberic94@gmail.com \
    --cc=nd@arm.com \
    --cc=stefano.stabellini@xilinx.com \
    --cc=xen-devel@lists.xenproject.org \
    --cc=xumengpanda@gmail.com \
    /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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.