nvdimm.lists.linux.dev archive mirror
 help / color / mirror / Atom feed
From: Alexander Duyck <alexander.duyck@gmail.com>
To: linux-mm <linux-mm@kvack.org>,
	LKML <linux-kernel@vger.kernel.org>,
	linux-nvdimm@lists.01.org
Cc: pavel.tatashin@microsoft.com, Michal Hocko <mhocko@suse.com>,
	Dave Hansen <dave.hansen@intel.com>,
	jglisse@redhat.com, Andrew Morton <akpm@linux-foundation.org>,
	Ingo Molnar <mingo@kernel.org>,
	"Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>
Subject: Re: [PATCH 4/4] nvdimm: Trigger the device probe on a cpu local to the device
Date: Mon, 10 Sep 2018 17:37:50 -0700	[thread overview]
Message-ID: <CAKgT0UceRHjfoKPxAJEchX4O91j_mtCQxqjTSQ=GJSoSOGbWmg@mail.gmail.com> (raw)
In-Reply-To: <20180910234400.4068.15541.stgit@localhost.localdomain>

On Mon, Sep 10, 2018 at 4:44 PM Alexander Duyck
<alexander.duyck@gmail.com> wrote:
>
> From: Alexander Duyck <alexander.h.duyck@intel.com>
>
> This patch is based off of the pci_call_probe function used to initialize
> PCI devices. The general idea here is to move the probe call to a location
> that is local to the memory being initialized. By doing this we can shave
> significant time off of the total time needed for initialization.
>
> With this patch applied I see a significant reduction in overall init time
> as without it the init varied between 23 and 37 seconds to initialize a 3GB
> node. With this patch applied the variance is only between 23 and 26
> seconds to initialize each node.

Same mistake here as in patch 1. It is 3TB, not 3GB. I will fix for
the next version.

- Alex
_______________________________________________
Linux-nvdimm mailing list
Linux-nvdimm@lists.01.org
https://lists.01.org/mailman/listinfo/linux-nvdimm

  reply	other threads:[~2018-09-11  0:38 UTC|newest]

Thread overview: 31+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-09-10 23:43 [PATCH 0/4] Address issues slowing persistent memory initialization Alexander Duyck
2018-09-10 23:43 ` [PATCH 1/4] mm: Provide kernel parameter to allow disabling page init poisoning Alexander Duyck
2018-09-11  0:35   ` Alexander Duyck
2018-09-11 16:50   ` Dan Williams
2018-09-11 20:01     ` Alexander Duyck
2018-09-11 20:24       ` Dan Williams
2018-09-12 13:24   ` Pasha Tatashin
2018-09-12 14:10   ` Michal Hocko
2018-09-12 14:49     ` Alexander Duyck
2018-09-12 15:23       ` Dave Hansen
2018-09-12 16:36         ` Alexander Duyck
2018-09-12 16:43           ` Dave Hansen
2018-09-10 23:43 ` [PATCH 2/4] mm: Create non-atomic version of SetPageReserved for init use Alexander Duyck
2018-09-12 13:28   ` Pasha Tatashin
2018-09-10 23:43 ` [PATCH 3/4] mm: Defer ZONE_DEVICE page initialization to the point where we init pgmap Alexander Duyck
2018-09-11  7:49   ` kbuild test robot
2018-09-11  7:54   ` kbuild test robot
2018-09-11 22:35   ` Dan Williams
2018-09-12  0:51     ` Alexander Duyck
2018-09-12  0:59       ` Dan Williams
2018-09-12 13:59   ` Pasha Tatashin
2018-09-12 15:48     ` Alexander Duyck
2018-09-12 15:54       ` Pasha Tatashin
2018-09-12 16:44         ` Alexander Duyck
2018-09-12 16:50       ` Dan Williams
2018-09-12 17:46         ` Pasha Tatashin
2018-09-12 19:11           ` Dan Williams
2018-09-10 23:44 ` [PATCH 4/4] nvdimm: Trigger the device probe on a cpu local to the device Alexander Duyck
2018-09-11  0:37   ` Alexander Duyck [this message]
2018-09-12  5:48   ` Dan Williams
2018-09-12 13:44   ` Pasha Tatashin

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='CAKgT0UceRHjfoKPxAJEchX4O91j_mtCQxqjTSQ=GJSoSOGbWmg@mail.gmail.com' \
    --to=alexander.duyck@gmail.com \
    --cc=akpm@linux-foundation.org \
    --cc=dave.hansen@intel.com \
    --cc=jglisse@redhat.com \
    --cc=kirill.shutemov@linux.intel.com \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-mm@kvack.org \
    --cc=linux-nvdimm@lists.01.org \
    --cc=mhocko@suse.com \
    --cc=mingo@kernel.org \
    --cc=pavel.tatashin@microsoft.com \
    --subject='Re: [PATCH 4/4] nvdimm: Trigger the device probe on a cpu local to the device' \
    /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

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).