From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.3 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, MSGID_FROM_MTA_HEADER,NICE_REPLY_A,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id BB2DEC07E96 for ; Thu, 15 Jul 2021 09:44:46 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 9EA976136E for ; Thu, 15 Jul 2021 09:44:46 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236198AbhGOJri (ORCPT ); Thu, 15 Jul 2021 05:47:38 -0400 Received: from de-smtp-delivery-102.mimecast.com ([194.104.109.102]:46221 "EHLO de-smtp-delivery-102.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231655AbhGOJri (ORCPT ); Thu, 15 Jul 2021 05:47:38 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.com; s=mimecast20200619; t=1626342283; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=v9pgcUlEz74IZTdHdaUXk5JLYSOmI68SSuZr5ztBIPI=; b=DeYVsOGjZst+Z7zLUpSP6QzYz7ecwPdp8prELneklHrw6cCel317Wzoe0x7APCCLCoVQoN FKY86mjdnLohk+0ES34lGRMiAtLml8xDu+z7uu6fYSSJ9yeE2zh8hHhq5cjs04AKx+Q9TI mWaInd/S3LEdXtb70Ol/pR78rcFRK3I= Received: from EUR02-AM5-obe.outbound.protection.outlook.com (mail-am5eur02lp2059.outbound.protection.outlook.com [104.47.4.59]) (Using TLS) by relay.mimecast.com with ESMTP id de-mta-23-6CvbyWXlOu2E9xYOXVRhgw-1; Thu, 15 Jul 2021 11:44:42 +0200 X-MC-Unique: 6CvbyWXlOu2E9xYOXVRhgw-1 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=htlT7jwk9sOSow4aUXIFpbZwc13B+BsQRfrwnUtnyW9cmQRJeMsX9AH3KYFlDG2JOalhtR3tIZbYxhkFbChA3GgW/cA05iVSBe0ybZBvsr6/X1alSXsDIpa1jZBHkbQp23EXz5Pa7V6Mg5PcH+oFKKKGEMd87BboWMNl+tzfrwDcWkt9M27wjqeSr68+EJLJJ5ib2rEVOaMZzCgbw72CwwRyeu5y5ZbBDFbwVDXZOjXzBt/V6ho72xRHscj5EB0t5mKqAOLn4oXzDrpDoYhbSwSB6yItHHrZuvKAMQMHJv7mboMS6zafyA/zXEGaKnD3+BqFJs3wyKMg3nLT0V6oXw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=TX6RsXvp0ZJt2BckOx6Z2HNd6qG46qG8BpY4QoW8Kak=; b=I2ciWx+CCbzSPaQ/EV/i1F4tEITcEaGNR/niHGnUMrDcS4r1KyGUhPtTY89YsZMvYFTIXzB7zWRY1k7mWBMo2laCTlTpER389pPpEqK6OTRIsvbjVnPjImXSZvXuN6ATzqy/wEJvRq7zGPpXJbYs4hdtxeWfRzgstyRZvEi6ePyz56RF9aphHQcunKBMplvlnpowuL+P+E6MD98jQBZPhg7QnMdBCME37lSIlAmoItmoMPcE5QrsQx7qjj9ADpBQART9pSSxhbQ5Zkj1kgNoi9qUBXRteSLy6hWv0oOJbHgMSUpjfriGL+uYijg+Nun6L/7EsdrzcWkkNSKKWrPQdg== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=suse.com; dmarc=pass action=none header.from=suse.com; dkim=pass header.d=suse.com; arc=none Authentication-Results: lists.infradead.org; dkim=none (message not signed) header.d=none;lists.infradead.org; dmarc=none action=none header.from=suse.com; Received: from AM7PR04MB6821.eurprd04.prod.outlook.com (2603:10a6:20b:105::22) by AM7PR04MB7015.eurprd04.prod.outlook.com (2603:10a6:20b:117::19) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4308.23; Thu, 15 Jul 2021 09:44:41 +0000 Received: from AM7PR04MB6821.eurprd04.prod.outlook.com ([fe80::816b:1f6a:c279:1b65]) by AM7PR04MB6821.eurprd04.prod.outlook.com ([fe80::816b:1f6a:c279:1b65%3]) with mapi id 15.20.4308.027; Thu, 15 Jul 2021 09:44:41 +0000 To: Robin Murphy , kvmarm@lists.cs.columbia.edu, kvm@vger.kernel.org, Linux ARM References: <37f873cf-1b39-ea7f-a5e7-6feb0200dd4c@suse.com> From: Qu Wenruo Subject: Re: Any way to disable KVM VHE extension? 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X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?us-ascii?Q?nMksWXwhbmGJiOhco/oRiFpgZq3IP79i9YZDkwmz2rj2Yk8Jj6l00kuwWU7B?= =?us-ascii?Q?xdwYbuG4Un5XYwQbl50KFnIqvuLc9zA/EnFSgphizXMI5BbvWNBhJYxj0ud5?= =?us-ascii?Q?PEX/bIHsRsQynsIVWeJNjANhKVOpb9jUZj+KJtNw8Y/aEu0C+vyN19UqiZPO?= =?us-ascii?Q?ph3cblaANdMFLbJOgS10fHVJi57cdxswBfW+/xC/Xu10CIEXNiCwb5eeT2tr?= =?us-ascii?Q?N9BlnBplXr3WdRn85wvGhbS9mmCJQ+CCa92BaiXeFijBsKivv8iQvbOM93VE?= =?us-ascii?Q?q9OUm0Bzwgsq+bNs8eSbgN4wGkgghjUnzcly8r56w2wCrks7s8hfAAVG4Wf9?= =?us-ascii?Q?JMo9Y74jrxJBACVeqp7jhQ5b3k6twlZkHVROCM0shXNRq4hzgfV+AhfnMh92?= =?us-ascii?Q?a/+y7jh4mv0bYOms5Dtwl2OEa/zox2q0PnjOQ2qIbxlTJU0Drjpv/PsgJcNg?= =?us-ascii?Q?OwFAesAvXiVldhSuVcS+5VrAls4evvmeX59ZVmtFHd0K4bd0cdyhmRM6GEmO?= =?us-ascii?Q?byhSqEf/Tn8WSkO96xoOSOvNov+9BZ01GX8CYFQ/Jf8XXsD1UkKA+7bzm3P8?= =?us-ascii?Q?eCjLkaNY1HVkrY62tB7JeaoL9i0jhU434Mu5M37M25TyWyIn2RD3eE50GBiF?= =?us-ascii?Q?6ZsNVYvDQunrQEJAlPmlTSVco7jg4Fkeii7ivWHvxYhumQW6crwVbkBXF6Tf?= =?us-ascii?Q?m8l2CFNxqI21pBjPIkTJS9X1zLQY177IV+Ov5T1xCwMsvUvkk5ViJHdccpyw?= =?us-ascii?Q?KNkU6wAmEUAmwAhgkpyGs94HyuhNVvQ5Ho1xlD55+9vPYB6hpDzdV97oxElc?= =?us-ascii?Q?vw139mdKCnBQUUYVm9CeDXxGI8lMlTieswuKna/ORxTNZ4sS4wg7pXgXeexg?= =?us-ascii?Q?vuvZynpTTJFmALwC7HRkNfMshAWy51Smwn7OzHopcum+PvMvg59Ov4UQpGSm?= =?us-ascii?Q?p0TObnM3NN4BDm2SMvrRst1cZyD1J3c/elELi8g8lW97Vcw3bTvGTqRCBgk6?= =?us-ascii?Q?Inaij0vctq7850Jq1GnxGXvccKfytPfw+RwDtiJSTidHsHJgs9+01v0Wm3Zs?= =?us-ascii?Q?l4vQJxUtEUUXT1wz2Whr86XOfoqciQkRGz9E+DHJXZIVOUQhmLY95L0H+W33?= =?us-ascii?Q?Sz62PAuRFVUaSyuy6Ryv5wVBC2+aucCjAEJpbOrsnLZBkqcUbHCb4TRIZl+J?= =?us-ascii?Q?Uxr6yAxjo+LjsbGndWAeOdDnTGX/Hx6wSoxEeFuGiSlZusOF9xDeWGkbVkzJ?= =?us-ascii?Q?9P6MBw7EOHTsntMti0ANb8PQcNaX1SefTyQGYK4cxcpOJl900ZaHvgprw+/+?= =?us-ascii?Q?Sdb5rE+g21biTbsSW0ARCV7U?= X-OriginatorOrg: suse.com X-MS-Exchange-CrossTenant-Network-Message-Id: e8b7e425-02d0-4e6a-2339-08d947752b5c X-MS-Exchange-CrossTenant-AuthSource: AM7PR04MB6821.eurprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 15 Jul 2021 09:44:41.4776 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: f7a17af6-1c5c-4a36-aa8b-f5be247aa4ba X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: Aai4LowXJ7KykwdhDhFhWULUOr1SH5cMmF35viPVZ+nggw4lMO9UO6a7CI06axa3 X-MS-Exchange-Transport-CrossTenantHeadersStamped: AM7PR04MB7015 Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org On 2021/7/15 =E4=B8=8B=E5=8D=885:28, Robin Murphy wrote: > On 2021-07-15 09:55, Qu Wenruo wrote: >> Hi, >> >> Recently I'm playing around the Nvidia Xavier AGX board, which has VHE=20 >> extension support. >> >> In theory, considering the CPU and memory, it should be pretty=20 >> powerful compared to boards like RPI CM4. >> >> But to my surprise, KVM runs pretty poor on Xavier. >> >> Just booting the edk2 firmware could take over 10s, and 20s to fully=20 >> boot the kernel. >> Even my VM on RPI CM4 has way faster boot time, even just running on=20 >> PCIE2.0 x1 lane NVME, and just 4 2.1Ghz A72 core. >> >> This is definitely out of my expectation, I double checked to be sure=20 >> that it's running in KVM mode. >> >> But further digging shows that, since Xavier AGX CPU supports VHE, kvm=20 >> is running in VHE mode other than HYP mode on CM4. >> >> Is there anyway to manually disable VHE mode to test the more common=20 >> HYP mode on Xavier? >=20 > According to kernel-parameters.txt, "kvm-arm.mode=3Dnvhe" (or its=20 > low-level equivalent "id_aa64mmfr1.vh=3D0") on the command line should do= =20 > that. Thanks for this one, I stupidly only searched modinfo of kvm, and didn't=20 even bother to search arch/arm64/kvm... >=20 > However I'd imagine the discrepancy is likely to be something more=20 > fundamental to the wildly different microarchitectures. There's=20 > certainly no harm in giving non-VHE a go for comparison, but I wouldn't=20 > be surprised if it turns out even slower... You're totally right, with nvhe mode, it's still the same slow speed. BTW, what did you mean by the "wildly different microarch"? Is ARMv8.2 arch that different from ARMv8 of RPI4? And any extra methods I could try to explore the reason of the slowness? At least RPI CM4 is beyond my expectation and is working pretty fine. Thanks, Qu >=20 > Robin. >=20 >> BTW, this is the dmesg related to KVM on Xavier, running v5.13=20 >> upstream kernel, with 64K page size: >> [=C2=A0=C2=A0=C2=A0 0.852357] kvm [1]: IPA Size Limit: 40 bits >> [=C2=A0=C2=A0=C2=A0 0.857378] kvm [1]: vgic interrupt IRQ9 >> [=C2=A0=C2=A0=C2=A0 0.862122] kvm: pmu event creation failed -2 >> [=C2=A0=C2=A0=C2=A0 0.866734] kvm [1]: VHE mode initialized successfully >> >> While on CM4, the host runs v5.12.10 upstream kernel (with downstream=20 >> dtb), with 4K page size: >> [=C2=A0=C2=A0=C2=A0 1.276818] kvm [1]: IPA Size Limit: 44 bits >> [=C2=A0=C2=A0=C2=A0 1.278425] kvm [1]: vgic interrupt IRQ9 >> [=C2=A0=C2=A0=C2=A0 1.278620] kvm [1]: Hyp mode initialized successfully >> >> Could it be the PAGE size causing problem? >> >> Thanks, >> Qu >> >> >> _______________________________________________ >> linux-arm-kernel mailing list >> linux-arm-kernel@lists.infradead.org >> http://lists.infradead.org/mailman/listinfo/linux-arm-kernel >=20 From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.1 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, MSGID_FROM_MTA_HEADER,NICE_REPLY_A,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 64849C47E48 for ; 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Thu, 15 Jul 2021 09:44:41 +0000 To: Robin Murphy , kvmarm@lists.cs.columbia.edu, kvm@vger.kernel.org, Linux ARM References: <37f873cf-1b39-ea7f-a5e7-6feb0200dd4c@suse.com> From: Qu Wenruo Subject: Re: Any way to disable KVM VHE extension? 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Thu, 15 Jul 2021 09:44:41 +0000 Received: from AM7PR04MB6821.eurprd04.prod.outlook.com ([fe80::816b:1f6a:c279:1b65]) by AM7PR04MB6821.eurprd04.prod.outlook.com ([fe80::816b:1f6a:c279:1b65%3]) with mapi id 15.20.4308.027; Thu, 15 Jul 2021 09:44:41 +0000 To: Robin Murphy , kvmarm@lists.cs.columbia.edu, kvm@vger.kernel.org, Linux ARM References: <37f873cf-1b39-ea7f-a5e7-6feb0200dd4c@suse.com> From: Qu Wenruo Subject: Re: Any way to disable KVM VHE extension? 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charset="utf-8"; Format="flowed" Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org CgpPbiAyMDIxLzcvMTUg5LiL5Y2INToyOCwgUm9iaW4gTXVycGh5IHdyb3RlOgo+IE9uIDIwMjEt MDctMTUgMDk6NTUsIFF1IFdlbnJ1byB3cm90ZToKPj4gSGksCj4+Cj4+IFJlY2VudGx5IEknbSBw bGF5aW5nIGFyb3VuZCB0aGUgTnZpZGlhIFhhdmllciBBR1ggYm9hcmQsIHdoaWNoIGhhcyBWSEUg Cj4+IGV4dGVuc2lvbiBzdXBwb3J0Lgo+Pgo+PiBJbiB0aGVvcnksIGNvbnNpZGVyaW5nIHRoZSBD UFUgYW5kIG1lbW9yeSwgaXQgc2hvdWxkIGJlIHByZXR0eSAKPj4gcG93ZXJmdWwgY29tcGFyZWQg dG8gYm9hcmRzIGxpa2UgUlBJIENNNC4KPj4KPj4gQnV0IHRvIG15IHN1cnByaXNlLCBLVk0gcnVu cyBwcmV0dHkgcG9vciBvbiBYYXZpZXIuCj4+Cj4+IEp1c3QgYm9vdGluZyB0aGUgZWRrMiBmaXJt d2FyZSBjb3VsZCB0YWtlIG92ZXIgMTBzLCBhbmQgMjBzIHRvIGZ1bGx5IAo+PiBib290IHRoZSBr ZXJuZWwuCj4+IEV2ZW4gbXkgVk0gb24gUlBJIENNNCBoYXMgd2F5IGZhc3RlciBib290IHRpbWUs IGV2ZW4ganVzdCBydW5uaW5nIG9uIAo+PiBQQ0lFMi4wIHgxIGxhbmUgTlZNRSwgYW5kIGp1c3Qg NCAyLjFHaHogQTcyIGNvcmUuCj4+Cj4+IFRoaXMgaXMgZGVmaW5pdGVseSBvdXQgb2YgbXkgZXhw ZWN0YXRpb24sIEkgZG91YmxlIGNoZWNrZWQgdG8gYmUgc3VyZSAKPj4gdGhhdCBpdCdzIHJ1bm5p bmcgaW4gS1ZNIG1vZGUuCj4+Cj4+IEJ1dCBmdXJ0aGVyIGRpZ2dpbmcgc2hvd3MgdGhhdCwgc2lu Y2UgWGF2aWVyIEFHWCBDUFUgc3VwcG9ydHMgVkhFLCBrdm0gCj4+IGlzIHJ1bm5pbmcgaW4gVkhF IG1vZGUgb3RoZXIgdGhhbiBIWVAgbW9kZSBvbiBDTTQuCj4+Cj4+IElzIHRoZXJlIGFueXdheSB0 byBtYW51YWxseSBkaXNhYmxlIFZIRSBtb2RlIHRvIHRlc3QgdGhlIG1vcmUgY29tbW9uIAo+PiBI WVAgbW9kZSBvbiBYYXZpZXI/Cj4gCj4gQWNjb3JkaW5nIHRvIGtlcm5lbC1wYXJhbWV0ZXJzLnR4 dCwgImt2bS1hcm0ubW9kZT1udmhlIiAob3IgaXRzIAo+IGxvdy1sZXZlbCBlcXVpdmFsZW50ICJp ZF9hYTY0bW1mcjEudmg9MCIpIG9uIHRoZSBjb21tYW5kIGxpbmUgc2hvdWxkIGRvIAo+IHRoYXQu CgpUaGFua3MgZm9yIHRoaXMgb25lLCBJIHN0dXBpZGx5IG9ubHkgc2VhcmNoZWQgbW9kaW5mbyBv ZiBrdm0sIGFuZCBkaWRuJ3QgCmV2ZW4gYm90aGVyIHRvIHNlYXJjaCBhcmNoL2FybTY0L2t2bS4u LgoKPiAKPiBIb3dldmVyIEknZCBpbWFnaW5lIHRoZSBkaXNjcmVwYW5jeSBpcyBsaWtlbHkgdG8g YmUgc29tZXRoaW5nIG1vcmUgCj4gZnVuZGFtZW50YWwgdG8gdGhlIHdpbGRseSBkaWZmZXJlbnQg bWljcm9hcmNoaXRlY3R1cmVzLiBUaGVyZSdzIAo+IGNlcnRhaW5seSBubyBoYXJtIGluIGdpdmlu ZyBub24tVkhFIGEgZ28gZm9yIGNvbXBhcmlzb24sIGJ1dCBJIHdvdWxkbid0IAo+IGJlIHN1cnBy aXNlZCBpZiBpdCB0dXJucyBvdXQgZXZlbiBzbG93ZXIuLi4KCllvdSdyZSB0b3RhbGx5IHJpZ2h0 LCB3aXRoIG52aGUgbW9kZSwgaXQncyBzdGlsbCB0aGUgc2FtZSBzbG93IHNwZWVkLgoKQlRXLCB3 aGF0IGRpZCB5b3UgbWVhbiBieSB0aGUgIndpbGRseSBkaWZmZXJlbnQgbWljcm9hcmNoIj8KSXMg QVJNdjguMiBhcmNoIHRoYXQgZGlmZmVyZW50IGZyb20gQVJNdjggb2YgUlBJND8KCkFuZCBhbnkg ZXh0cmEgbWV0aG9kcyBJIGNvdWxkIHRyeSB0byBleHBsb3JlIHRoZSByZWFzb24gb2YgdGhlIHNs b3duZXNzPwoKQXQgbGVhc3QgUlBJIENNNCBpcyBiZXlvbmQgbXkgZXhwZWN0YXRpb24gYW5kIGlz IHdvcmtpbmcgcHJldHR5IGZpbmUuCgpUaGFua3MsClF1Cgo+IAo+IFJvYmluLgo+IAo+PiBCVFcs IHRoaXMgaXMgdGhlIGRtZXNnIHJlbGF0ZWQgdG8gS1ZNIG9uIFhhdmllciwgcnVubmluZyB2NS4x MyAKPj4gdXBzdHJlYW0ga2VybmVsLCB3aXRoIDY0SyBwYWdlIHNpemU6Cj4+IFvCoMKgwqAgMC44 NTIzNTddIGt2bSBbMV06IElQQSBTaXplIExpbWl0OiA0MCBiaXRzCj4+IFvCoMKgwqAgMC44NTcz NzhdIGt2bSBbMV06IHZnaWMgaW50ZXJydXB0IElSUTkKPj4gW8KgwqDCoCAwLjg2MjEyMl0ga3Zt OiBwbXUgZXZlbnQgY3JlYXRpb24gZmFpbGVkIC0yCj4+IFvCoMKgwqAgMC44NjY3MzRdIGt2bSBb MV06IFZIRSBtb2RlIGluaXRpYWxpemVkIHN1Y2Nlc3NmdWxseQo+Pgo+PiBXaGlsZSBvbiBDTTQs IHRoZSBob3N0IHJ1bnMgdjUuMTIuMTAgdXBzdHJlYW0ga2VybmVsICh3aXRoIGRvd25zdHJlYW0g Cj4+IGR0YiksIHdpdGggNEsgcGFnZSBzaXplOgo+PiBbwqDCoMKgIDEuMjc2ODE4XSBrdm0gWzFd OiBJUEEgU2l6ZSBMaW1pdDogNDQgYml0cwo+PiBbwqDCoMKgIDEuMjc4NDI1XSBrdm0gWzFdOiB2 Z2ljIGludGVycnVwdCBJUlE5Cj4+IFvCoMKgwqAgMS4yNzg2MjBdIGt2bSBbMV06IEh5cCBtb2Rl IGluaXRpYWxpemVkIHN1Y2Nlc3NmdWxseQo+Pgo+PiBDb3VsZCBpdCBiZSB0aGUgUEFHRSBzaXpl IGNhdXNpbmcgcHJvYmxlbT8KPj4KPj4gVGhhbmtzLAo+PiBRdQo+Pgo+Pgo+PiBfX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwo+PiBsaW51eC1hcm0ta2VybmVs IG1haWxpbmcgbGlzdAo+PiBsaW51eC1hcm0ta2VybmVsQGxpc3RzLmluZnJhZGVhZC5vcmcKPj4g aHR0cDovL2xpc3RzLmluZnJhZGVhZC5vcmcvbWFpbG1hbi9saXN0aW5mby9saW51eC1hcm0ta2Vy bmVsCj4gCgoKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18K bGludXgtYXJtLWtlcm5lbCBtYWlsaW5nIGxpc3QKbGludXgtYXJtLWtlcm5lbEBsaXN0cy5pbmZy YWRlYWQub3JnCmh0dHA6Ly9saXN0cy5pbmZyYWRlYWQub3JnL21haWxtYW4vbGlzdGluZm8vbGlu dXgtYXJtLWtlcm5lbAo=