From: Alexander Duyck <alexander.duyck@gmail.com>
To: Nitesh Narayan Lal <nitesh@redhat.com>
Cc: kvm list <kvm@vger.kernel.org>,
"Michael S. Tsirkin" <mst@redhat.com>,
LKML <linux-kernel@vger.kernel.org>,
Matthew Wilcox <willy@infradead.org>,
Michal Hocko <mhocko@kernel.org>, linux-mm <linux-mm@kvack.org>,
Andrew Morton <akpm@linux-foundation.org>,
Mel Gorman <mgorman@techsingularity.net>,
Vlastimil Babka <vbabka@suse.cz>,
Yang Zhang <yang.zhang.wz@gmail.com>,
Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>,
David Hildenbrand <david@redhat.com>,
Pankaj Gupta <pagupta@redhat.com>,
Rik van Riel <riel@surriel.com>,
lcapitulino@redhat.com, Dave Hansen <dave.hansen@intel.com>,
"Wang, Wei W" <wei.w.wang@intel.com>,
Andrea Arcangeli <aarcange@redhat.com>,
Paolo Bonzini <pbonzini@redhat.com>,
Dan Williams <dan.j.williams@intel.com>,
Alexander Duyck <alexander.h.duyck@linux.intel.com>,
Oscar Salvador <osalvador@suse.de>
Subject: Re: [PATCH v12 0/6] mm / virtio: Provide support for unused page reporting
Date: Mon, 28 Oct 2019 08:24:05 -0700 [thread overview]
Message-ID: <CAKgT0UdkPwsc8KrSAURt1FuD8nX8o50CLDcd21RQw8AW7PVMVg@mail.gmail.com> (raw)
In-Reply-To: <3888d486-d046-b35f-a365-655f8c4d3bf2@redhat.com>
On Mon, Oct 28, 2019 at 7:34 AM Nitesh Narayan Lal <nitesh@redhat.com> wrote:
>
>
> On 10/22/19 6:27 PM, Alexander Duyck wrote:
>
>
> [...]
> > Below are the results from various benchmarks. I primarily focused on two
> > tests. The first is the will-it-scale/page_fault2 test, and the other is
> > a modified version of will-it-scale/page_fault1 that was enabled to use
> > THP. I did this as it allows for better visibility into different parts
> > of the memory subsystem. The guest is running on one node of a E5-2630 v3
> > CPU with 48G of RAM that I split up into two logical nodes in the guest
> > in order to test with NUMA as well.
> >
> > Test page_fault1 (THP) page_fault2
> > Baseline 1 1256106.33 +/-0.09% 482202.67 +/-0.46%
> > 16 8864441.67 +/-0.09% 3734692.00 +/-1.23%
> >
> > Patches applied 1 1257096.00 +/-0.06% 477436.00 +/-0.16%
> > 16 8864677.33 +/-0.06% 3800037.00 +/-0.19%
> >
> > Patches enabled 1 1258420.00 +/-0.04% 480080.00 +/-0.07%
> > MADV disabled 16 8753840.00 +/-1.27% 3782764.00 +/-0.37%
> >
> > Patches enabled 1 1267916.33 +/-0.08% 472075.67 +/-0.39%
> > 16 8287050.33 +/-0.67% 3774500.33 +/-0.11%
>
> If I am not mistaken then you are only observing the number of processes (and
> not the number of threads) launched over the 1st and the 16th vcpu reported by
> will-it-scale?
You are correct these results are for the processes. I monitored them
for 1 - 16, but only included the results for 1 and 16 since those
seem to be the most relevant data points.
prev parent reply other threads:[~2019-10-28 15:24 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-10-22 22:27 Alexander Duyck
2019-10-22 22:27 ` [PATCH v12 1/6] mm: Adjust shuffle code to allow for future coalescing Alexander Duyck
2019-10-22 22:28 ` [PATCH v12 2/6] mm: Use zone and order instead of free area in free_list manipulators Alexander Duyck
2019-10-23 8:26 ` David Hildenbrand
2019-10-23 15:16 ` Alexander Duyck
2019-10-24 9:32 ` David Hildenbrand
2019-10-24 15:19 ` Alexander Duyck
2019-10-22 22:28 ` [PATCH v12 3/6] mm: Introduce Reported pages Alexander Duyck
2019-10-22 23:03 ` Andrew Morton
2019-10-22 23:25 ` Alexander Duyck
2019-10-22 22:28 ` [PATCH v12 4/6] mm: Add device side and notifier for unused page reporting Alexander Duyck
2019-10-22 22:28 ` [PATCH v12 5/6] virtio-balloon: Pull page poisoning config out of free page hinting Alexander Duyck
2019-10-22 22:28 ` [PATCH v12 6/6] virtio-balloon: Add support for providing unused page reports to host Alexander Duyck
2019-10-22 22:29 ` [PATCH v12 QEMU 1/3] virtio-ballon: Implement support for page poison tracking feature Alexander Duyck
2019-10-22 22:29 ` [PATCH v12 QEMU 2/3] virtio-balloon: Add bit to notify guest of unused page reporting Alexander Duyck
2019-10-22 22:29 ` [PATCH v12 QEMU 3/3] virtio-balloon: Provide a interface for " Alexander Duyck
2019-10-22 23:01 ` [PATCH v12 0/6] mm / virtio: Provide support " Andrew Morton
2019-10-22 23:43 ` Alexander Duyck
2019-10-23 11:19 ` Nitesh Narayan Lal
2019-10-23 11:35 ` Nitesh Narayan Lal
2019-10-23 22:24 ` Alexander Duyck
2019-10-28 14:34 ` Nitesh Narayan Lal
2019-10-28 15:24 ` Alexander Duyck [this message]
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