From: Muli Ben-Yehuda <muli@il.ibm.com>
To: "Keshavamurthy, Anil S" <anil.s.keshavamurthy@intel.com>
Cc: Arjan van de Ven <arjan@linux.intel.com>, Andi Kleen <ak@suse.de>,
Andrew Morton <akpm@linux-foundation.org>,
linux-kernel@vger.kernel.org, gregkh@suse.de,
suresh.b.siddha@intel.com, ashok.raj@intel.com,
davem@davemloft.net, clameter@sgi.com
Subject: Re: [Intel IOMMU 00/10] Intel IOMMU support, take #2
Date: Tue, 26 Jun 2007 12:00:32 -0400 [thread overview]
Message-ID: <20070626160032.GF8274@rhun.ibm.com> (raw)
In-Reply-To: <20070626154803.GA3374@linux-os.sc.intel.com>
On Tue, Jun 26, 2007 at 08:48:04AM -0700, Keshavamurthy, Anil S wrote:
> Our initial benchmark results showed we had around 3% extra CPU
> utilization overhead when compared to native(i.e without IOMMU).
> Again, our benchmark was on small SMP machine and we used iperf and
> a 1G ethernet cards.
Please try netperf and a bigger machine for a meaningful comparison :-)
I assume this is with e1000?
> Going forward we will do more benchmark tests and will share the
> results.
Looking forward to it.
Cheers,
Muli
next prev parent reply other threads:[~2007-06-26 16:00 UTC|newest]
Thread overview: 65+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-06-19 21:37 [Intel IOMMU 00/10] Intel IOMMU support, take #2 Keshavamurthy, Anil S
2007-06-19 21:37 ` [Intel IOMMU 01/10] DMAR detection and parsing logic Keshavamurthy, Anil S
2007-07-04 9:18 ` Peter Zijlstra
2007-07-04 10:04 ` Andrew Morton
2007-07-04 10:14 ` Peter Zijlstra
2007-06-19 21:37 ` [Intel IOMMU 02/10] PCI generic helper function Keshavamurthy, Anil S
2007-06-26 5:49 ` Andrew Morton
2007-06-26 14:44 ` Keshavamurthy, Anil S
2007-06-19 21:37 ` [Intel IOMMU 03/10] clflush_cache_range now takes size param Keshavamurthy, Anil S
2007-06-19 21:37 ` [Intel IOMMU 04/10] IOVA allocation and management routines Keshavamurthy, Anil S
2007-06-26 6:07 ` Andrew Morton
2007-06-26 16:16 ` Keshavamurthy, Anil S
2007-06-19 21:37 ` [Intel IOMMU 05/10] Intel IOMMU driver Keshavamurthy, Anil S
2007-06-19 23:32 ` Christoph Lameter
2007-06-19 23:50 ` Keshavamurthy, Anil S
2007-06-19 23:56 ` Christoph Lameter
2007-06-26 6:32 ` Andrew Morton
2007-06-26 16:29 ` Keshavamurthy, Anil S
2007-06-26 6:25 ` Andrew Morton
2007-06-26 16:33 ` Keshavamurthy, Anil S
2007-06-26 6:30 ` Andrew Morton
2007-06-19 21:37 ` [Intel IOMMU 06/10] Avoid memory allocation failures in dma map api calls Keshavamurthy, Anil S
2007-06-19 23:25 ` Christoph Lameter
2007-06-19 23:27 ` Arjan van de Ven
2007-06-19 23:34 ` Christoph Lameter
2007-06-20 0:02 ` Arjan van de Ven
2007-06-20 8:06 ` Peter Zijlstra
2007-06-20 13:03 ` Arjan van de Ven
2007-06-20 17:30 ` Siddha, Suresh B
2007-06-20 18:05 ` Peter Zijlstra
2007-06-20 19:14 ` Arjan van de Ven
2007-06-20 20:08 ` Peter Zijlstra
2007-06-20 23:03 ` Keshavamurthy, Anil S
2007-06-21 6:10 ` Peter Zijlstra
2007-06-21 6:11 ` Arjan van de Ven
2007-06-21 6:29 ` Peter Zijlstra
2007-06-21 6:37 ` Keshavamurthy, Anil S
2007-06-21 7:13 ` Peter Zijlstra
2007-06-21 19:51 ` Keshavamurthy, Anil S
2007-06-21 6:30 ` Keshavamurthy, Anil S
2007-06-26 5:34 ` Andrew Morton
2007-06-19 21:37 ` [Intel IOMMU 07/10] Intel iommu cmdline option - forcedac Keshavamurthy, Anil S
2007-06-19 21:37 ` [Intel IOMMU 08/10] DMAR fault handling support Keshavamurthy, Anil S
2007-06-19 21:37 ` [Intel IOMMU 09/10] Iommu Gfx workaround Keshavamurthy, Anil S
2007-06-19 21:37 ` [Intel IOMMU 10/10] Iommu floppy workaround Keshavamurthy, Anil S
2007-06-26 6:42 ` Andrew Morton
2007-06-26 10:37 ` Andi Kleen
2007-06-26 19:25 ` Keshavamurthy, Anil S
2007-06-26 16:26 ` Keshavamurthy, Anil S
2007-06-26 6:45 ` [Intel IOMMU 00/10] Intel IOMMU support, take #2 Andrew Morton
2007-06-26 7:12 ` Andi Kleen
2007-06-26 11:13 ` Muli Ben-Yehuda
2007-06-26 15:03 ` Arjan van de Ven
2007-06-26 15:11 ` Muli Ben-Yehuda
2007-06-26 15:48 ` Keshavamurthy, Anil S
2007-06-26 16:00 ` Muli Ben-Yehuda [this message]
2007-06-26 15:56 ` Andi Kleen
2007-06-26 15:09 ` Muli Ben-Yehuda
2007-06-26 15:36 ` Andi Kleen
2007-06-26 15:15 ` Arjan van de Ven
2007-06-26 15:33 ` Andi Kleen
2007-06-26 16:25 ` Arjan van de Ven
2007-06-26 17:31 ` Andi Kleen
2007-06-26 20:10 ` Jesse Barnes
2007-06-26 22:35 ` Andi Kleen
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