Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756519Ab3ETPln (ORCPT ); Mon, 20 May 2013 11:41:43 -0400 Received: from am1ehsobe005.messaging.microsoft.com ([213.199.154.208]:1068 "EHLO am1outboundpool.messaging.microsoft.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756276Ab3ETPli (ORCPT ); Mon, 20 May 2013 11:41:38 -0400 X-Forefront-Antispam-Report: CIP:163.181.249.109;KIP:(null);UIP:(null);IPV:NLI;H:ausb3twp02.amd.com;RD:none;EFVD:NLI X-SpamScore: -4 X-BigFish: VPS-4(zzbb2dI98dI9371I1432Izz1f42h1ee6h1de0h1fdah1202h1e76h1d1ah1d2ah1fc6hzz8275bhz2dh668h839h947hd25he5bhf0ah1288h12a5h12a9h12bdh137ah13b6h1441h1504h1537h153bh162dh1631h1758h18e1h190ch1946h19b4h19c3h1ad9h1b0ah1d0ch1d2eh1d3fh1155h) X-WSS-ID: 0MN3SX2-02-5DP-02 X-M-MSG: Message-ID: <519A4429.30405@amd.com> Date: Mon, 20 May 2013 10:41:29 -0500 From: Suravee Suthikulanit User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:17.0) Gecko/20130307 Thunderbird/17.0.4 MIME-Version: 1.0 To: CC: , , , , Subject: Re: [PATCH 0/2 V3] perf/x86/amd: IOMMU Performance Counter Support References: <1368819813-6481-1-git-send-email-suravee.suthikulpanit@amd.com> In-Reply-To: <1368819813-6481-1-git-send-email-suravee.suthikulpanit@amd.com> Content-Type: text/plain; charset="ISO-8859-1"; format=flowed Content-Transfer-Encoding: 7bit X-OriginatorOrg: amd.com Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1719 Lines: 49 Peter, Please let me know if you have any questions/concerns regarding the PMU implementation. Joerg, Please let me know if you have any questions/concerns regarding the changes in the IOMMU driver. Thank you, Suravee On 5/17/2013 2:43 PM, suravee.suthikulpanit@amd.com wrote: > From: Suravee Suthikulpanit > > These patches implement the AMD IOMMU Performance Counter functionality > via custom perf PMU and implement static counting for various IOMMU > translations. > > 1) Extend the AMD IOMMU initialization to include performance > counter enablement. > > 2) The perf AMD IOMMU PMU to manage performance counters, which > interface with the AMD IOMMU core driver. > > Steven L Kinney (1): > perf/x86/amd: Adding IOMMU PC resource management > > Suravee Suthikulpanit (1): > perf/x86/amd: AMD IOMMU PC PERF uncore PMU implementation > > arch/x86/kernel/cpu/Makefile | 2 +- > arch/x86/kernel/cpu/perf_event_amd_iommu.c | 500 ++++++++++++++++++++++++++++ > arch/x86/kernel/cpu/perf_event_amd_iommu.h | 40 +++ > drivers/iommu/amd_iommu_init.c | 121 ++++++- > drivers/iommu/amd_iommu_proto.h | 7 + > drivers/iommu/amd_iommu_types.h | 12 +- > 6 files changed, 675 insertions(+), 7 deletions(-) > create mode 100644 arch/x86/kernel/cpu/perf_event_amd_iommu.c > create mode 100644 arch/x86/kernel/cpu/perf_event_amd_iommu.h > -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/